<SEC-DOCUMENT>0000950170-25-061028.txt : 20250430
<SEC-HEADER>0000950170-25-061028.hdr.sgml : 20250430
<ACCEPTANCE-DATETIME>20250430160514
ACCESSION NUMBER:		0000950170-25-061028
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		13
CONFORMED PERIOD OF REPORT:	20241231
FILED AS OF DATE:		20250430
DATE AS OF CHANGE:		20250430

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PLUS THERAPEUTICS, INC.
		CENTRAL INDEX KEY:			0001095981
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		EIN:				330827593
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34375
		FILM NUMBER:		25894896

	BUSINESS ADDRESS:	
		STREET 1:		4200 MARATHON BLVD.
		STREET 2:		SUITE 200
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78756
		BUSINESS PHONE:		737.255.7194

	MAIL ADDRESS:	
		STREET 1:		4200 MARATHON BLVD.
		STREET 2:		SUITE 200
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78756

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CYTORI THERAPEUTICS, INC.
		DATE OF NAME CHANGE:	20050712

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MACROPORE INC
		DATE OF NAME CHANGE:	20010320
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-K/A
<SEQUENCE>1
<FILENAME>pstv-20241231.htm
<DESCRIPTION>10-K/A
<TEXT>
<XBRL>
<?xml version='1.0' encoding='ASCII'?>
<!-- DFIN New ActiveDisclosure (SM) Inline XBRL Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date :2025-04-30T11:29:29.2673+00:00 -->
<!-- Copyright (c) 2025 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:ix="http://www.xbrl.org/2013/inlineXBRL" xmlns:nonNumeric="http://www.xbrl.org/dtr/type/non-numeric" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:us-gaap="http://fasb.org/us-gaap/2024" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:cyd="http://xbrl.sec.gov/cyd/2024" xmlns:ixt-sec="http://www.sec.gov/inlineXBRL/transformation/2015-08-31" xmlns:ecd-sub="http://xbrl.sec.gov/ecd-sub/2024" xmlns:srt="http://fasb.org/srt/2024" xmlns:utr="http://www.xbrl.org/2009/utr" xmlns:dei="http://xbrl.sec.gov/dei/2024" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:ecd="http://xbrl.sec.gov/ecd/2024" xmlns:enum2="http://xbrl.org/2020/extensible-enumerations-2.0" xmlns:pstv="http://www.plustherapeutics.com/20241231" xmlns:ixt="http://www.xbrl.org/inlineXBRL/transformation/2022-02-16">
 <head>
  <title>10-K/A</title>
  <meta http-equiv="Content-Type" content="text/html"/>
 </head>
 <body style="padding:8px;margin:auto!important;z-index:0;position:relative;">
  <div style="display:none;"><ix:header><ix:hidden><ix:nonNumeric id="F_3cf70a04-07ab-4601-bfe4-bc38c34bcc82" name="dei:EntityCentralIndexKey" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a">0001095981</ix:nonNumeric><ix:nonNumeric id="F_2b7cbe92-3865-441d-8bd9-1ae309d15c0a" name="dei:DocumentFiscalPeriodFocus" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a">FY</ix:nonNumeric><ix:nonNumeric id="F_8c43d3d3-ab00-4bbd-aefe-9f0c5559bb28" name="dei:CurrentFiscalYearEndDate" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a">--12-31</ix:nonNumeric><ix:nonNumeric id="F_33614644-4151-4ec3-bbfb-a8fea7812b89" name="dei:AmendmentFlag" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a">false</ix:nonNumeric></ix:hidden><ix:references><link:schemaRef xlink:type="simple" xlink:href="pstv-20241231.xsd"/></ix:references><ix:resources><xbrli:context id="C_2856915d-64bf-4068-8513-a969204af7d5"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001095981</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2024-06-28</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="C_7585d102-bbaf-4d81-928b-c199946f831a"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001095981</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2024-01-01</xbrli:startDate><xbrli:endDate>2024-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:unit id="U_USD"><xbrli:measure>iso4217:USD</xbrli:measure></xbrli:unit></ix:resources></ix:header></div>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:1pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:1pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:1pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:1pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:14pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">UNITED STATES</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:14pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">SECURITIES AND EXCHANGE COMMISSION</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Washington, D.C. 20549</span></p><p style="margin-left:40%;padding-bottom:2pt;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:4pt;border-bottom:0.5pt solid;margin-right:40%;text-align:center;"><span style="white-space:pre-wrap;font-size:3pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:14pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">FORM </span><span><ix:nonNumeric id="F_cb929128-b362-499a-a5bd-5602887cb704" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:DocumentType" continuedAt="F_cb929128-b362-499a-a5bd-5602887cb704_1"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:14pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">10-K/A</span></ix:nonNumeric></span></p><div><ix:continuation id="F_cb929128-b362-499a-a5bd-5602887cb704_1"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:11pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">(Amendment No. 1)</span></p></ix:continuation></div><p style="margin-left:40%;padding-bottom:2pt;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:4pt;border-bottom:0.5pt solid;margin-right:40%;text-align:center;"><span style="white-space:pre-wrap;font-size:3pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">(Mark One)</span></p><p style="text-indent:-4.749%;padding-left:4.533%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-size:9pt;font-family:'Segoe UI Symbol',sans-serif;"><ix:nonNumeric id="F_3e15377f-2f16-4ca3-8812-a6bcedae46d4" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:DocumentAnnualReport" format="ixt-sec:boolballotbox"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:9pt;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9746;</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">	ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934</span></p><p style="font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">For the fiscal year ended</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="font-size:8pt;font-family:Times New Roman;"><ix:nonNumeric id="F_216612b0-abc8-4123-9656-415b2f93cef8" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:DocumentPeriodEndDate" format="ixt:date-monthname-day-year-en"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">December 31, </span><span style="font-size:8pt;font-family:Times New Roman;"><ix:nonNumeric id="F_e9eef5a1-208e-46ce-9764-d6931d1f18c8" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:DocumentFiscalYearFocus"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">2024</span></ix:nonNumeric></span></ix:nonNumeric></span></p><p style="font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">OR</span></p><p style="text-indent:-4.749%;padding-left:4.533%;font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-size:9pt;font-family:'Segoe UI Symbol',sans-serif;"><ix:nonNumeric id="F_b4dad43e-6658-4367-8813-6409d936bf93" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:DocumentTransitionReport" format="ixt-sec:boolballotbox"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:9pt;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9744;</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934</span></p><p style="font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">For the transition period from            to</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">           </span></p><p style="font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Commission file number </span><span style="font-size:8pt;font-family:Times New Roman;"><ix:nonNumeric id="F_a797ada5-8b9e-4a15-81a4-558b65007fb3" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:EntityFileNumber"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">001-34375</span></ix:nonNumeric></span></p><p style="margin-left:40%;padding-bottom:2pt;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:4pt;border-bottom:0.5pt solid;margin-right:40%;text-align:center;"><span style="white-space:pre-wrap;font-size:3pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="font-size:16pt;font-family:Times New Roman;"><ix:nonNumeric id="F_48f08f76-cec1-42b1-867c-680ce559a317" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:EntityRegistrantName"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:16pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">PLUS THERAPEUTICS, INC.</span></ix:nonNumeric></span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">(Exact name of Registrant as Specified in Its Charter)</span></p><p style="margin-left:40%;padding-bottom:2pt;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:4pt;border-bottom:0.5pt solid;margin-right:40%;text-align:center;"><span style="white-space:pre-wrap;font-size:3pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p>
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:50%;box-sizing:content-box;"/>
     <td style="width:50%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:8pt;background-color:#ffffff;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="font-size:8pt;"><ix:nonNumeric id="F_d0c6ac9c-72fa-46a9-8427-e9aef67af4aa" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:EntityIncorporationStateCountryCode" format="ixt-sec:stateprovnameen"><span style="text-transform:uppercase;color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Delaware</span></ix:nonNumeric></span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="font-size:8pt;"><ix:nonNumeric id="F_b9be2f65-f219-409d-9ade-5f9089a31af6" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:EntityTaxIdentificationNumber"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">33-0827593</span></ix:nonNumeric></span></p></td>
    </tr>
    <tr style="height:7pt;background-color:#ffffff;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">(State or Other Jurisdiction of</span></p><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Incorporation or Organization)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">(I.R.S. Employer</span></p><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Identification No.)</span></p></td>
    </tr>
    <tr style="background-color:#ffffff;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:8pt;background-color:#ffffff;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="font-size:8pt;"><ix:nonNumeric id="F_33fb4d78-7c97-4b35-aea3-1884bf9cfb32" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:EntityAddressAddressLine1"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">2710 REED ROAD</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-kerning:none;min-width:fit-content;">, </span><span style="font-size:8pt;"><ix:nonNumeric id="F_37da00b5-9351-4de4-9d47-5dd5eefea61f" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:EntityAddressAddressLine2"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">SUITE 160</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-kerning:none;min-width:fit-content;">, </span><span style="font-size:8pt;"><ix:nonNumeric id="F_75618503-8881-4c39-a52a-02133d6d37a9" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:EntityAddressCityOrTown"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">HOUSTON</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-kerning:none;min-width:fit-content;">, </span><span style="font-size:8pt;"><ix:nonNumeric id="F_52ff0e46-9eeb-4f4e-bd63-c56dc18c4828" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:EntityAddressStateOrProvince"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">TX</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="font-size:8pt;"><ix:nonNumeric id="F_9a611f87-da4f-4ab9-ae89-fc7b95d2a620" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:EntityAddressPostalZipCode"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">77051</span></ix:nonNumeric></span></p></td>
    </tr>
    <tr style="height:7pt;background-color:#ffffff;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">(Address of principal executive offices)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">(Zip Code)</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-size:3pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Registrant&#8217;s telephone number, including area code: (</span><span style="font-size:8pt;font-family:Times New Roman;"><ix:nonNumeric id="F_2c24a4b9-113b-46f2-b998-be6df627d9a8" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:CityAreaCode"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">737</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">) </span><span style="font-size:8pt;font-family:Times New Roman;"><ix:nonNumeric id="F_fb7a9d88-ba08-4852-913e-3883172d09ec" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:LocalPhoneNumber"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">255-7194</span></ix:nonNumeric></span></p><p style="font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Securities registered pursuant to Section 12(b) of the Act:</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-size:4pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p>
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:30%;box-sizing:content-box;"/>
     <td style="width:40%;box-sizing:content-box;"/>
     <td style="width:30%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:7pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="border-top:0.75pt solid #000000;padding-top:0in;border-right:0.75pt solid #000000;border-left:0.75pt solid #000000;padding-left:0in;vertical-align:top;padding-bottom:0in;border-bottom:0.75pt solid #000000;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Title of each class</span></p></td>
     <td style="border-top:0.75pt solid #000000;padding-top:0in;border-right:0.75pt solid #000000;padding-left:0in;vertical-align:top;padding-bottom:0in;border-bottom:0.75pt solid #000000;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Trading Symbol(s)</span></p></td>
     <td style="border-top:0.75pt solid #000000;padding-top:0in;border-right:0.75pt solid #000000;padding-left:0in;vertical-align:top;padding-bottom:0in;border-bottom:0.75pt solid #000000;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Name of each exchange on which registered</span></p></td>
    </tr>
    <tr style="height:8pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;border-right:0.75pt solid #000000;border-left:0.75pt solid #000000;padding-left:0in;vertical-align:top;padding-bottom:0in;border-bottom:0.75pt solid #000000;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="font-size:8pt;"><ix:nonNumeric id="F_4ff224f4-f52b-43bb-954c-e7c2fee28e18" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:Security12bTitle"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Common Stock, par value $0.001 per share</span></ix:nonNumeric></span></p></td>
     <td style="padding-top:0in;border-right:0.75pt solid #000000;padding-left:0in;vertical-align:top;padding-bottom:0in;border-bottom:0.75pt solid #000000;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="font-size:8pt;"><ix:nonNumeric id="F_d3b06890-fe21-4a2c-87a4-be255c747b75" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:TradingSymbol"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">PSTV</span></ix:nonNumeric></span></p></td>
     <td style="padding-top:0in;border-right:0.75pt solid #000000;padding-left:0in;vertical-align:top;padding-bottom:0in;border-bottom:0.75pt solid #000000;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="font-size:8pt;"><ix:nonNumeric id="F_0b4e7c64-35fc-42c0-bde5-17b366d83d37" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:SecurityExchangeName" format="ixt-sec:exchnameen"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Nasdaq</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-kerning:none;min-width:fit-content;">&#160;Capital Market</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-size:3pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Securities registered pursuant to Section 12(g) of the Act:</span></p><p style="font-size:10pt;margin-top:3pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">None.</span></p><p style="font-size:10pt;margin-top:3pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Indicate by check mark if the registrant is a well-known seasoned issuer as defined in Rule 405 of the Securities Act. Yes  </span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9744;</span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">    </span><span style="font-size:7.5pt;font-family:Times New Roman;"><ix:nonNumeric id="F_61bbbe89-17a5-48d7-8a3a-e11120f7295b" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:EntityWellKnownSeasonedIssuer"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">No</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">  </span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9746;</span></p><p style="font-size:10pt;margin-top:3pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Exchange Act. Yes  </span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9744;</span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">    </span><span style="font-size:7.5pt;font-family:Times New Roman;"><ix:nonNumeric id="F_52d74f68-3517-4c86-b56c-dc48dd91f6cb" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:EntityVoluntaryFilers"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">No</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">  </span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9746;</span></p><p style="font-size:10pt;margin-top:3pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. </span><span style="font-size:7.5pt;font-family:Times New Roman;"><ix:nonNumeric id="F_0db08a6a-4f28-4804-adae-c95c844c922b" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:EntityInteractiveDataCurrent"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Yes</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">  </span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9746;</span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">    No  </span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9744;</span></p><p style="font-size:10pt;margin-top:3pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (&#167;232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). </span><span style="font-size:7.5pt;font-family:Times New Roman;"><ix:nonNumeric id="F_3879c764-fd3c-4629-8575-c653ebdebbd4" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:EntityCurrentReportingStatus"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Yes</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">  </span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9746;</span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">    No  </span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9744;</span></p><p style="font-size:10pt;margin-top:3pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company.  See definitions of &#8220;large accelerated filer,&#8221; &#8220;accelerated filer,&#8221; &#8220;smaller reporting company&#8221; and &#8220;emerging growth company&#8221; in Rule 12b-2 of the Exchange Act.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p>
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:30.84%;box-sizing:content-box;"/>
     <td style="width:4.16%;box-sizing:content-box;"/>
     <td style="width:40%;box-sizing:content-box;"/>
     <td style="width:20.84%;box-sizing:content-box;"/>
     <td style="width:4.16%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:7pt;background-color:#ffffff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Large Accelerated Filer</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9744;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Accelerated Filer</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9744;</span></p></td>
    </tr>
    <tr style="height:7pt;background-color:#ffffff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-size:7.5pt;"><ix:nonNumeric id="F_1ec86258-e896-4b86-b6f6-f2509873a462" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:EntityFilerCategory" format="ixt-sec:entityfilercategoryen"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Non-Accelerated Filer</span></ix:nonNumeric></span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9746;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Smaller reporting company</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="font-size:7.5pt;font-family:'Segoe UI Symbol',sans-serif;"><ix:nonNumeric id="F_b61f973a-a935-4487-acc3-077a14b805f4" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:EntitySmallBusiness" format="ixt-sec:boolballotbox"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#9746;</span></ix:nonNumeric></span></p></td>
    </tr>
    <tr style="height:7pt;background-color:#ffffff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Emerging growth company</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="font-size:7.5pt;font-family:'Segoe UI Symbol',sans-serif;"><ix:nonNumeric id="F_a2f2461a-042e-4b37-8141-32cbc4845397" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:EntityEmergingGrowthCompany" format="ixt-sec:boolballotbox"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#9744;</span></ix:nonNumeric></span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. </span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9744;</span></p><p style="font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Indicate check mark whether the registrant has filed a report on and attestation to its management&#8217;s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. </span><span style="font-size:7.5pt;font-family:'Segoe UI Symbol',sans-serif;"><ix:nonNumeric id="F_477408b7-e5bc-4de4-88be-2f0fbf2985cc" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:IcfrAuditorAttestationFlag" format="ixt-sec:boolballotbox"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9744;</span></ix:nonNumeric></span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements.</span><span style="color:#231f20;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span><span style="font-size:7.5pt;font-family:'Segoe UI Symbol',sans-serif;"><ix:nonNumeric id="F_11d856db-ea31-42ad-acea-bfc183b45819" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:DocumentFinStmtErrorCorrectionFlag" format="ixt-sec:boolballotbox"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9744;</span></ix:nonNumeric></span></p><p style="font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant&#8217;s executive officers during the relevant recovery period pursuant to &#167;240.10D-1(b).</span><span style="color:#231f20;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9744;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes  </span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9744;</span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">    No  </span><span style="font-size:7.5pt;font-family:'Segoe UI Symbol',sans-serif;"><ix:nonNumeric id="F_a8f92194-2191-4b87-9f77-67486828e4de" contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a" name="dei:EntityShellCompany" format="ixt:fixed-false"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9746;</span></ix:nonNumeric></span></p><p style="font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The aggregate market value of the common stock of the registrant held by non-affiliates of the registrant on June 28, 2024, the last business day of the registrant&#8217;s most recently completed second fiscal quarter, was $</span><span style="font-size:7.5pt;font-family:Times New Roman;color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"><ix:nonFraction id="F_9b4a3acf-9536-4050-b218-ec18eae3fc03" contextRef="C_2856915d-64bf-4068-8513-a969204af7d5" name="dei:EntityPublicFloat" unitRef="U_USD" scale="6" decimals="-5" format="ixt:num-dot-decimal">8.2</ix:nonFraction></span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> million based on the closing sales price of the registrant&#8217;s common stock on June 28, 2024 as reported on the Nasdaq Capital Market, of $1.47 per share.</span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">As of April 18, 2025, there were 16,999,626 shares of the registrant&#8217;s common stock issued and outstanding.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">DOCUMENTS INCORPORATED BY REFERENCE</span><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">None.</span></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">EXPLANATORY NOTE</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">This Amendment No. 1 to Form 10-K (this &#8220;Amendment&#8221;) amends the Annual Report on Form 10-K for the fiscal year ended December 31, 2024 originally filed with the Securities and Exchange Commission (the &#8220;SEC&#8221;) on March 31, 2025 (the &#8220;Original Filing&#8221;) by Plus Therapeutics, Inc., a Delaware corporation (&#8220;Plus,&#8221; the &#8220;Company,&#8221; &#8220;we,&#8221; or &#8220;us&#8221;). We are filing this Amendment pursuant to General Instruction G(3) of Form 10-K to include information required by Part III, Items 10 through 14 of the 2024 Form 10-K. In addition, as required by Rule 12b-15 under the Securities Exchange Act of 1934, as amended, new certifications by the Company&#8217;s principal executive officer and principal financial officer under Section 302 of the Sarbanes-Oxley Act of 2002 (the &#8220;302 Certifications&#8221;) are being filed as exhibits to this Amendment. Because no financial statements are contained within this Amendment, we are not filing currently dated certifications pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. Accordingly, in addition to amending Items 10 through 14 of Part III to provide the omitted information, Item 15 of Part IV and the List of Exhibits referenced therein are being amended and restated in their entirety to include the new 302 Certifications. This Amendment also amends the cover page to update the number of shares of the Company&#8217;s common stock, par value $0.001 per share (the &#8220;common stock&#8221;), outstanding and to remove the statement that information is being incorporated by reference from our definitive proxy statement.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">   </span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Except as described above, no other changes have been made to the Original Filing. The Original Filing continues to speak as of the date of the Original Filing, and we have not updated the disclosures contained therein to reflect any events which occurred at a date subsequent to the filing of the Original Filing.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="padding-bottom:1pt;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;border-bottom:1.5pt double;text-align:left;"><span style="white-space:pre-wrap;font-size:4pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">TABLE OF CONTENTS</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p>
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:99.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:9.56%;box-sizing:content-box;"/>
     <td style="width:83.76%;box-sizing:content-box;"/>
     <td style="width:6.68%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">PART III</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Item 10.</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><a href="#item_10_directors_executive_ficers_corpo"><span style="color:#0000ff;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Directors, Executive Officers and Corporate Governance</span></a></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">3</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Item 11.</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><a href="#item_11_executive_compensation"><span style="color:#0000ff;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Executive Compensation</span></a></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">7</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Item 12.</span></p></td>
     <td style="padding-top:0in;text-indent:468pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="text-indent:-650.016%;padding-left:86.667%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><a href="#item_12_security_ownership_certain_benef"><span style="color:#0000ff;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters</span></a></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">12</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Item 13.</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><a href="#item_13_certain_relationships_related_tr"><span style="color:#0000ff;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Certain Relationships and Related Transactions, and Director Independence</span></a></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">14</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Item 14.</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><a href="#item_14_principal_accounting_fees_servic"><span style="color:#0000ff;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Principal Accounting Fees and Services</span></a></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">15</span></p></td>
    </tr>
    <tr style="white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">PART IV</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Item 15.</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><a href="#item_15_exhibits_financial_statement_sch"><span style="color:#0000ff;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Exhibits, Financial Statement Schedules</span></a></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">17</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;" id="item_9_changes_in_disagreements_with_acc">&#160;</p><p style="text-indent:6.667%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:10pt;text-align:center;" id="part_iii"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">PART </span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">III</span></p><p style="font-size:10pt;margin-top:2pt;font-family:Times New Roman;margin-bottom:0;text-align:left;" id="item_10_directors_executive_ficers_corpo"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Item 10. Directors, Executive Of</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">ficers and Corporate Governance.</span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The names and certain biographical information about our directors, including each director&#8217;s business experience, director positions held currently or at any time during the last five years, information regarding involvement in certain legal or administrative proceedings, if applicable, and the director&#8217;s experiences, qualifications, attributes, or skills are set forth below.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Directors</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Richard J. Hawkins</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">. Mr. Hawkins has served on our Board since December 2007 and has been the Chairman of our Board since January 2018. In 1982, Mr. Hawkins founded Pharmaco, a clinical research organization, where he served as its Chairman, President and Chief Executive Officer until 1991 when it merged with the predecessor of PPD-Pharmaco. In 1992, Mr. Hawkins co-founded Sensus Drug Development Corporation, a privately-held company focused on the development of drugs to treat endocrine disorders, which developed and received regulatory approval for SOMAVERT, a growth hormone antagonist approved for the treatment of acromegaly, which is now marketed by Pfizer, Inc. (NYSE:PEE), where he served as Chairman until 2000. In 1994, Mr. Hawkins co-founded Corning Biopro, a contract protein manufacturing firm, where he served on its board until Corning BioPro&#8217;s sale to Akzo-Nobel, N.V. (OTC:AKZOY), a publicly-held producer of paints, coatings and specialty chemicals, in 2000. In September 2003, Mr. Hawkins founded LabNow, Inc., a privately held company that develops lab-on-a-chip sensor technology, where he served as the Chairman and Chief Executive Officer until October 2009. In February 2011, Mr. Hawkins became Chief Executive Officer, and held the positions of Chief Executive Officer, President and Chairman of Lumos Pharma, Inc. (Nasdaq: LUMO) until the time of its sale in December 2023. Additionally, Mr. Hawkins served on the board of SciClone Pharmaceuticals, Inc. (HKD: SCLN), a publicly-held specialty pharmaceutical company, from October 2004 through December 2017. He also served on the Presidential Advisory Committee for the Center for Nano and Molecular Science and Technology at the University of Texas at Austin, and was inducted into the Hall of Honor for the College of Natural Sciences at the University of Texas. Mr. Hawkins is a member of the National Ernst &amp; Young Entrepreneur of the Year Hall of Fame. Mr. Hawkins graduated cum laude with a B.S. in Biology from Ohio University, where he later received the Ohio University Konneker Medal, the highest award given to a faculty member or former student, for entrepreneurial excellence. We believe Mr. Hawkins&#8217;s qualifications to serve on our Board include his executive experience working with life sciences companies, his extensive experience in pharmaceutical research and development, his knowledge, understanding and experience in the regulatory development and approval process, and his service on other public company boards and committees.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Marc H. Hedrick, M.D. </span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Dr. Hedrick joined the Company in October 2002 as its Chief Scientific Officer. In May 2004, he was appointed as President of the Company and in April 2014, he was appointed as its Chief Executive Officer. Dr. Hedrick has served as a member of our board of directors (the &#8220;Board&#8221;) since joining the Company in October 2002. Previously, Dr. Hedrick served in a number of executive leadership positions, including President and Chief Executive Officer of StemSource from 2001 to 2003 and Chief Scientific Officer and Medical Director of Macropore Biosurgery from 2002 to 2004. Dr. Hedrick has also served as a board member for a number of public and private companies since 2000. Prior to his corporate career, Dr. Hedrick was Associate Professor of Surgery and Pediatrics at the University of California, Los Angeles (&#8220;UCLA&#8221;). While at UCLA, Dr. Hedrick&#8217;s academic research received both National Institutes of Health funding as well as private and public capitalization and was widely acknowledged through scientific publications and the media. Dr. Hedrick also has first-hand experience as a physician, practicing general, vascular and craniofacial surgery. Dr. Hedrick has a medical degree from The University of Texas Southwestern Medical School and a Master of Business Administration from the UCLA Anderson School of Management and is a trained general, vascular and plastic surgeon. We believe Dr. Hedrick&#8217;s qualifications to serve on our Board include his executive, financial, governance and operational leadership experience in medical and pharmaceutical product development.<br/><br/></span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Howard Clowes. </span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Mr. Clowes has served on our Board since April 1, 2020. From January 2005 until he retired as a lawyer in December 2018, Mr. Clowes was a partner in the law firm DLA Piper (US) LLC. From 1982 until the formation of DLA Piper in 2005, he was an associate and then a partner in the predecessor firms of DLA Piper, holding various management positions, including serving on its board of directors and its compensation committee. Mr. Clowes served on the board of Equalize Health and as chair of its governance committee from January 2018 to May 2022, and serves on the board of AFRAC, each of which are nonprofit corporations focused on global healthcare. Mr. Clowes served on the board of the Law Foundation of Silicon Valley, a non-profit organization located in San Jose, California, that provides free legal services to Silicon Valley residents in need, from 2008 until December 2018, during which he served in various positions, including President of its board of directors, and Chair of its Strategic Planning and Chief Executive Officer Search Committee. From 2017 to 2021, Mr. Clowes served as a Lecturer at the University of California, Berkeley School of Law, teaching a course in International Business Negotiations. Mr. Clowes earned his J.D. at U.C. Berkeley, his B.A. in Experimental Psychology at U.C. Santa Barbara, and in 2023, Mr. Clowes received his National Association of Corporate Directors Directorship Certification. We believe Mr. Clowes&#8217; qualifications to serve on the Board include his extensive experience as a lawyer, advising boards of directors and their audit, compensation and corporate governance committees on a wide range of matters, his experience with a wide range of transactions and his experience serving on various boards of directors.<br/></span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Robert Lenk, Ph.D. </span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Dr. Lenk has served on our Board since April 1, 2020. Since 2016, he has served as President of Lenk Pharmaceuticals, LLC, providing consulting services to clients in the pharmaceuticals industry. Dr. Lenk co-founded the Liposome Company, in Princeton, New Jersey in 1981 (now part of Elan Pharmaceuticals). After the Liposome Company went public, he co-founded Argus Pharmaceuticals, a drug delivery company focused on cancer and infectious diseases, in 1989 and served as Vice President of Research &amp; Development, until it merged with two other companies to become Aronex Pharmaceuticals. From 1995 to 2003, Dr. Lenk served as President and Chief Executive Officer of Therapeutics 2000, Inc. which was later sold to Coller Capital. Dr. Lenk joined Luna Innovations in 2004 where he served as President of its Nanoworks Division until 2010. In 2010, Dr. Lenk joined MediVector, Inc. as its Chief Science Officer until 2016, when he started Lenk Pharmaceuticals, LLC, a pharmaceutical development consulting company, where he currently works. He also currently serves on the board of PoP Biotechnology, a private company that develops vaccines and cancer therapies based on proprietary porphyrin liposome nanoparticle technology. Dr. Lenk received both his PhD and BSc. From the Massachusetts Institute of Technology. We believe Dr. Lenk&#8217;s qualifications to serve on our Board include his broad experience in translating research candidates into products, especially in the fields of nanotechnology and liposomal drug products.<br/></span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Kyle Guse, Esq., MBA, CPA (inactive)</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">. Mr. Guse was appointed to our Board in April 2025. Mr. Guse has been serving as the Chief Legal Officer of DDC Enterprise Ltd. (NYSE:DDC), an NYSE-American-listed international consumer foods company, since September 2023. From January 2013 to May 2023, Mr. Guse was Chief Financial Officer, General Counsel and Secretary of Atossa Therapeutics, Inc. (Nasdaq, ATOS), a Nasdaq-listed biotechnology company developing treatments and prevention for breast cancer. Mr. Guse&#8217;s experience includes 30 years of counseling innovative, rapid growth companies through all aspects of finance, corporate governance, securities laws and commercialization, with a particular focus on M&amp;A and capital market transactions. Mr. Guse has practiced law at several of the largest international law firms, including from January 2012 through January 2013 as a partner at Baker Botts LLP and, prior to that, from October 2007 to January 2012, as a partner at McDermott Will &amp; Emery LLP. Before working at McDermott Will &amp; Emery, Mr. Guse served as a partner at Heller Ehrman LLP. Mr. Guse began his career as an accountant at Deloitte and he is an inactive Certified Public Accountant and member of the bars of California and Washington. Mr. Guse earned a B.S. in business administration and an M.B.A. from California State University, Sacramento, and a J.D. from Santa Clara University School of Law. We believe that Mr. Guse&#8217;s extensive legal and business expertise in corporate finance and capital markets, corporate governance and mergers and acquisitions qualifies him to serve on our Board.<br/></span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">An van Es-Johansson, M.D. </span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Dr. van Es-Johansson has served on our Board since January 1, 2020. Dr. van Es-Johansson served as the Chief Medical Officer for AlzeCure Pharma, a Swedish pharmaceutical company with a primary focus on Alzheimer&#8217;s disease, from September 2018 through March 1, 2021, following which she has continued to serve AlzeCure Pharma as a Senior Advisor beginning in March 2021. Since 2021 she has been a Senior Advisor for Sinfonia AB, a Swedish pharmaceutical company with focus on neuroscience. From May 2005 to September 2018, Dr. van Es-Johansson served in a range of executive roles of increasing responsibility at Sobi, an international rare disease company headquartered in Stockholm, Sweden, including as Vice President and Head of EMENAR Medical Affairs for Specialty Care and Partner Products from March 2013 to January 2018. Prior to her time at Sobi, Dr. van Es-Johansson served in leadership positions within large pharmaceutical and smaller biotechnology companies, including Roche, Pharmacia, Eli Lilly, Active Biotech and BioStratum. From 2004 to 2016, she was a member of the Scientific Advisory Board of Uppsala Bio and currently serves on the board of directors of Savara, Inc. (Nasdaq: SVRA), Lumos Pharma, Inc. (Nasdaq: LUMO) and privately held Agendia BV. She also served on the board of directors at BioInvent International AB (Nasdaq: OMX Stockholm: BINV), from June 2016 to February 2021; on the board of directors of Alzecure AB (NASDAQ OMX Stockholm: ALZCUR), from 2017-2020; on the board of directors of Medivir AB (Nasdaq OMX Stockholm: MVIR) from 2019-2022; and on the board of directors of IRLAB AB (Nasdaq OMX Stockholm: IRLAB) from May 2022 to February 2023. Dr. van Es-Johansson received a M.D. from Erasmus University, Rotterdam, The Netherlands. We believe Dr. van Es-Johansson&#8217;s qualifications to serve on our Board include her extensive medical knowledge and experience in the pharmaceutical industry.<br/><br/> </span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Executive Officers; Directors</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The following table shows information about our current executive officers and directors including their ages as of April 18, 2025:</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:12pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p>
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:72.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:37.584%;box-sizing:content-box;"/>
     <td style="width:1.392%;box-sizing:content-box;"/>
     <td style="width:4.176%;box-sizing:content-box;"/>
     <td style="width:1.392%;box-sizing:content-box;"/>
     <td style="width:55.457%;box-sizing:content-box;"/>
    </tr>
    <tr style="white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:8pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.5pt solid;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Name</span></p></td>
     <td colspan="2" style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0.01in;border-bottom:0.5pt solid;padding-right:0in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Age</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.5pt solid #ffffff03;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0.01in;border-bottom:1pt solid #000000;padding-right:0in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:1pt;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Position(s)</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:10pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-style:italic;font-kerning:none;min-width:fit-content;">Executive Officers</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:20pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="margin-left:1.853%;text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Marc H. Hedrick, M.D.</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">63</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">President, Chief Executive Officer and Director</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:20pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="margin-left:1.853%;text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Andrew Sims</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">52</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Chief Financial Officer</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:10pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-style:italic;font-kerning:none;min-width:fit-content;">Non-Employee Directors</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:20pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="margin-left:1.853%;text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Howard Clowes</span><span style="color:#000000;top:-3.9865pt;white-space:pre-wrap;font-size:5.695pt;position:relative;font-kerning:none;min-width:fit-content;">(1)(2)(3)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">71</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Director</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:20pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="margin-left:1.853%;text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">An van Es-Johansson, MD</span><span style="color:#000000;top:-3.9865pt;white-space:pre-wrap;font-size:5.695pt;position:relative;font-kerning:none;min-width:fit-content;">(1)(3)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">65</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Director</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:20pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="margin-left:1.853%;text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Richard J. Hawkins</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">76</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Chairman of the Board</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:20pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="margin-left:1.853%;text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Robert Lenk, PhD</span><span style="color:#000000;top:-3.9865pt;white-space:pre-wrap;font-size:5.695pt;position:relative;font-kerning:none;min-width:fit-content;">(3)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">77</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Director</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:20pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="margin-left:1.853%;text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Kyle Guse</span><span style="color:#000000;top:-3.9865pt;white-space:pre-wrap;font-size:5.695pt;position:relative;font-kerning:none;min-width:fit-content;">(1)(2)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">61</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Director</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:2pt;border-bottom:1pt solid #000000;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:12pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(1)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Member of the audit committee.</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(2)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Member of the compensation committee.</span></div></div></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(3)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Member of the governance and nominating committee.</span></div></div><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The following presents biographical information for each of our executive officers listed in the table above, other than Dr. Hedrick whose information is presented above.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Andrew Sims</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">. </span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Mr. Sims joined us as Chief Financial Officer in February 2020. Prior to his appointment as our Chief Financial Officer, Mr. Sims held roles at several private equity-backed companies. Between 2012 and 2017, Mr. Sims was Chief Financial Officer of Amplify LLC, an advisory and management consulting services firm. Following his time at Amplify, Mr. Sims served as Chief Financial Officer of Verbatim Support Services LLC, a litigation support company, from 2017 to 2019. His focus has been on mergers and acquisitions, integrations, corporate capitalization and building out and managing teams to support global growth. Previously, Mr. Sims was Partner at Mazars, a global accounting, advisory, audit, tax and consulting firm. Working from both the Oxford, England and New York offices, Mr. Sims audited and advised global public clients, including a variety of healthcare companies, with average annual revenues in excess of $1 billion. Further, he was the lead partner on over fifty (50) acquisitions ranging from $5 million to $4 billion in purchase price. He is a Certified Public Accountant in the U.S. and a Chartered Accountant in England and Wales. Mr. Sims is a graduate of Buckingham University in the United Kingdom.</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">There are no family relationships among any of our directors or executive officers.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Code of Business Conduct and Ethics</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">We have adopted a Code of Business Conduct and Ethics that applies to all of our directors, officers and employees, including our principal executive officer, principal financial officer and principal accounting officer. This Code of Business Conduct and Ethics has been posted on our website at www.plustherapeutics.com. We intend to post amendments to this code, or any waivers of its requirements, on our website at www.plustherapeutics.com under &#8220;Investor Relations &#8211; Governance &#8211; Corporate Governance Materials,&#8221; as permitted under SEC rules and regulations. To date, there have been no waivers under our Code of Business Conduct and Ethics. We will disclose on our website amendments to, or waivers from, our Code of Business Conduct and Ethics, in accordance with applicable laws and regulations.</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Insider Trading Policies and Procedures</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">We have adopted an insider trading policy that governs purchases, sales, and other transactions in our securities by our directors, officers, employees and designated consultants that we believe is reasonably designed to promote compliance with applicable insider trading laws, rules and regulations and listing standards applicable to us. A copy of our insider trading policy is filed as Exhibit 19.1 to the Original Filing.</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Our insider trading policy prohibits our directors, officers, employees and certain designated consultants, and their affiliated persons, from trading in Company securities while in possession of material nonpublic information about the Company. The policy also prohibits tipping (</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">i.e.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">, disclosing material nonpublic information about the Company to others who may trade on the basis of that information). We also require our directors, officers and certain other employees to receive approval before trading in Company securities. Our insider trading policy also expressly prohibits short sales; purchases or sales of puts, calls, or other derivative securities or hedging transactions; using Company securities as collateral in a margin account; or pledging Company securities as collateral for a loan. Any waiver of the provisions of this policy requires the approval of our Audit Committee. To date, no such requests have been made or approved. Our insider trading policy governs adoption, modification and termination of written securities trading plans, known as Rule 10b5-1 plans, by our directors, executive officers and certain other persons. Our policy provides that all Rule 10b5-1 plans must comply with SEC rules applicable to the Rule 10b5-1 safe harbor and imposes additional requirements and limitations.</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Director Independence</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Our common stock is listed on The Nasdaq Capital Market LLC (&#8220;Nasdaq&#8221;) and under the listing rules of Nasdaq, subject to specified exceptions, independent directors must comprise a majority of a listed company&#8217;s board of directors, and each member of a listed company&#8217;s audit, compensation and nominating and corporate governance committees must be independent. Under Nasdaq listing rules, a director will only qualify as an &#8220;independent director&#8221; if, among other things, the listed company&#8217;s board of directors affirmatively determines that the director does not have a relationship which, in the opinion of the listed company&#8217;s board of directors, would interfere with the exercise of independent judgment in carrying out the responsibilities of a director.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Our Board reviews the independence of each director. This review is based primarily on responses of the directors to questions in a directors&#8217; and officers&#8217; questionnaire regarding employment, business, familial, compensation and other relationships with Plus and our management. Our Board has determined that no transactions or relationships existed that would disqualify any of our directors under the Nasdaq rules or would require disclosure under SEC rules, with the exception of Marc H. Hedrick, M.D., our President and Chief Executive Officer, because of his current employment relationship with us. In making these determinations, our Board considered the current and prior relationships that each non-employee director has with us and all other facts and circumstances our Board deemed relevant in determining their independence, including the beneficial ownership of our securities by each non-employee director.</span></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Corporate Governance Guidelines</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The Board has adopted Corporate Governance Guidelines, which address matters such as the Board&#8217;s responsibilities and duties and the Board&#8217;s composition and compensation. The Corporate Governance Guidelines are available on our website at https://ir.plustherapeutics.com/governance/corporate-governance-materials.</span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Board Committees</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The Board currently maintains an Audit Committee, Compensation Committee, and Nominating and Corporate Governance Committee. All members of each of the committees are independent directors under the applicable SEC and Nasdaq rules. Each committee operates under a charter that satisfies the applicable standards of the SEC and Nasdaq. Each committee reviews its respective charter at least annually. The charter for each committee can be found on our website at </span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">https://ir.plustherapeutics.com/governance/board-comittees</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">. From time to time, our Board may establish other committees.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;text-decoration:underline solid;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Compensation Committee</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Our Compensation Committee consists of Mr. Guse and Mr. Clowes, who serves as the Compensation Committee&#8217;s Chairperson. Our Board has determined that both Mr. Guse and Mr. Clowes are &#8220;independent&#8221; under Nasdaq listing standards and are &#8220;non-employee directors&#8221; as defined in Rule 16b-3 promulgated under the Exchange Act, and both satisfy the independence criteria set forth in Rule 10C-1 under the Exchange Act.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The primary duties and responsibilities of our Compensation Committee as provided in the Compensation Committee charter include, among other things, overseeing our compensation policies, plans and programs and determining the compensation to be paid to our executive officers, directors and other senior management, as appropriate.</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Specific responsibilities of our Compensation Committee include:</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">developing and implementing compensation programs for our executive officers and other employees, subject to the discretion of the full Board;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">establishing base salary rates, benefits and other compensation matters for each of our executive officers;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">administering our equity compensation plans;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">reviewing the relationship between our performance and our compensation policies and assessing any risks associated with such policies;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">reviewing and advising the Board on director compensation matters and on regional and industry-wide compensation practices and trends in order to assess the adequacy of our executive compensation programs; and</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">reviewing and discussing compensation related disclosures with management and making a recommendation to the Board regarding the inclusion of such disclosures in our annual proxy statement or Form 10-K, as applicable.</span><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></div></div><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">See the sections titled &#8220;Executive Compensation&#8221; and &#8220;Director Compensation&#8221; elsewhere in this Amendment for a description of our processes and procedures for the consideration and determination of our executive officers and directors compensation.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;text-decoration:underline solid;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Audit Committee</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Our Audit Committee currently consists of Mr. Clowes, Dr. van Es-Johansson and Mr. Guse, who serves as Chairperson of the Audit Committee. The Board has determined that each member of the Audit Committee is &#8220;independent&#8221; for audit committee purposes as that term is defined in the applicable Nasdaq listing standards and Rule 10A-3(b)(1) under the Exchange Act. The Board has determined that Mr. Guse is an &#8220;audit committee financial expert&#8221; within the meaning of SEC regulations. Each member of our Audit Committee can read and understand fundamental financial statements in accordance with applicable requirements. In arriving at these determinations, the Board has examined each Audit Committee member&#8217;s scope of experience and the nature of their employment. No member of the Audit Committee simultaneously serves on the audit committees of more than three (3) public companies, and no member of our Audit Committee has participated in the preparation of the financial statements of Plus at any time during the past three (3) years.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The primary purpose of the Audit Committee is to discharge the responsibilities of our Board with respect to our corporate accounting and financial reporting processes, systems of internal control and financial-statement audits, and to oversee our independent registered accounting firm. Specific responsibilities of our Audit Committee as provided in the Audit Committee charter include:</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">reviewing management&#8217;s and our independent auditor&#8217;s report on their assessment of the effectiveness of internal control over financial reporting as of the end of each fiscal year;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">selecting our auditors and reviewing the scope of the annual audit;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">resolving any disagreements between management and the auditor regarding financial reporting;</span></div></div></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">approving the audit fees and non-audit fees to be paid to our auditors;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">reviewing our financial accounting controls with the staff and the auditors;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">reviewing and monitoring management&#8217;s enterprise risk management assessment, including cyber security;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">reviewing and discussing with management and the auditor, our audited financial statements including our disclosures under &#8220;Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations&#8221;;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">reviewing our earnings press releases as well as financial information and earnings guidance provided to analysts and rating agencies;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">reviewing and approving our annual budget;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">reviewing all related person transactions which are required to be reported under applicable SEC regulations; and</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">establishing procedures for the receipt, retention, and treatment of complains received regarding accounting, internal accounting controls or audit matters.</span></div></div><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;text-decoration:underline solid;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Nominating and Corporate Governance Committee</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Our Nominating and Corporate Governance Committee consists of Mr. Clowes, Dr. Lenk, and Dr. van Es-Johansson, each of whom our Board has determined is &#8220;independent&#8221; under the Nasdaq listing standards, a non-employee director and free from any relationship that would interfere with the exercise of his or her independent judgment. The Chairperson of our Nominating and Corporate Governance Committee is Dr. van Es-Johansson.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Specific responsibilities of our Nominating and Corporate Governance Committee as provided in the Nominating and Corporate Governance Committee charter include, among others:</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">analyzing the expertise and experience of the Board and ensuring the membership of the Board consists of persons with sufficiently diverse and independent backgrounds;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">identifying, recruiting, evaluating and recommending to the Board individuals qualified to become members of the Board;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">establishing procedures for the consideration of candidates for the Board recommended by Plus&#8217;s stockholders and recommending to the Board appropriate action on any such recommendation;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">reviewing the Board committee structure and recommend to the Board changes to such structure;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">reviewing and reassessing the adequacy of our Corporate Governance Guidelines and recommending any proposed changes;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">overseeing the annual self-evaluations of the Board and Board committees;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">reviewing and discussing with management disclosures in our annual proxy statement regarding director independence; and</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">overseeing succession planning and processes for our Chief Executive Officer.</span></div></div><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;" id="item_11_executive_compensation"><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Item 11. Executiv</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">e Compensation.</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Director Compensation</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Our Board believes that the level of director compensation should be based on time spent carrying out Board and committee responsibilities and be competitive with comparable companies. In addition, the Board believes that a significant portion of director compensation should align director interests with the long-term interests of stockholders. The Board makes changes in its director compensation practices upon the recommendation of the Compensation Committee and following discussion and approval by the Board.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Director Compensation</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Our Board, following the Compensation Committee&#8217;s recommendation, approved the 2024 compensation of our non-employee directors, as described below. The compensation level of our non-employee directors is expected to remain the same in 2025.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p>
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:77.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:64.8%;box-sizing:content-box;"/>
     <td style="width:1.296%;box-sizing:content-box;"/>
     <td style="width:2.151%;box-sizing:content-box;"/>
     <td style="width:8.631%;box-sizing:content-box;"/>
     <td style="width:1.296%;box-sizing:content-box;"/>
     <td style="width:1.296%;box-sizing:content-box;"/>
     <td style="width:2.151%;box-sizing:content-box;"/>
     <td style="width:15.552%;box-sizing:content-box;"/>
     <td style="width:2.825%;box-sizing:content-box;"/>
    </tr>
    <tr style="white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:8pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td colspan="2" style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0.01in;border-bottom:1pt solid #000000;padding-right:0in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Annual Service Retainer ($)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:1pt solid #ffffff03;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td colspan="2" style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0.01in;border-bottom:1pt solid #000000;padding-right:0in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Chairperson Additional Retainer ($)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:1pt solid #ffffff03;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:10pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Board</span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">$</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">40,000</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="border-top:1pt solid #000000;padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">$</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">37,500</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:10pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Audit Committee</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">7,500</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">27,500</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:10pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Compensation Committee</span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">5,000</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">15,000</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
   </table></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;">
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:77.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:64.8%;box-sizing:content-box;"/>
     <td style="width:1.296%;box-sizing:content-box;"/>
     <td style="width:2.151%;box-sizing:content-box;"/>
     <td style="width:8.631%;box-sizing:content-box;"/>
     <td style="width:1.296%;box-sizing:content-box;"/>
     <td style="width:1.296%;box-sizing:content-box;"/>
     <td style="width:2.151%;box-sizing:content-box;"/>
     <td style="width:15.552%;box-sizing:content-box;"/>
     <td style="width:2.825%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:10pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Nominating and Corporate Government Committee</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">5,000</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">10,000</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">On February 22 2024, each non-employee director was awarded a grant of options for 2,250 shares as equity compensation and on September 11, 2024 awarded a grant of options for 3,650 shares as equity compensation.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Director Compensation Table</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The following table sets forth information regarding compensation awarded to, earned by or paid to our non-employee directors who served on our Board during fiscal year 2024:</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:12pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p>
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:84.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:58.31%;box-sizing:content-box;"/>
     <td style="width:1.19%;box-sizing:content-box;"/>
     <td style="width:2.381%;box-sizing:content-box;"/>
     <td style="width:9.524%;box-sizing:content-box;"/>
     <td style="width:1.19%;box-sizing:content-box;"/>
     <td style="width:1.19%;box-sizing:content-box;"/>
     <td style="width:2.381%;box-sizing:content-box;"/>
     <td style="width:8.333%;box-sizing:content-box;"/>
     <td style="width:1.19%;box-sizing:content-box;"/>
     <td style="width:1.19%;box-sizing:content-box;"/>
     <td style="width:1.19%;box-sizing:content-box;"/>
     <td style="width:10.738%;box-sizing:content-box;"/>
     <td style="width:1.19%;box-sizing:content-box;"/>
    </tr>
    <tr style="white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:8pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Name</span><span style="color:#000000;top:-3.283pt;white-space:pre-wrap;font-weight:bold;font-size:4.69pt;position:relative;font-kerning:none;min-width:fit-content;">(1)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td colspan="2" style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0.01in;border-bottom:1pt solid #000000;padding-right:0in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Fees Earned<br/>or Paid in<br/>Cash</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:1pt solid #ffffff03;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td colspan="2" style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0.01in;border-bottom:1pt solid #000000;padding-right:0in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Option<br/>Awards</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:7pt;font-kerning:none;min-width:fit-content;">(2)(3)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:1pt solid #ffffff03;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td colspan="2" style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0.01in;border-bottom:1pt solid #000000;padding-right:0in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Total</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:1pt solid #ffffff03;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:10pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Richard J. Hawkins, Chairman</span><span style="color:#000000;white-space:pre-wrap;font-size:8.5pt;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">$</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">95,000</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="border-top:1pt solid #000000;padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">$</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">9,167</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="border-top:1pt solid #ffffff03;padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">$</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">104,167</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:10pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Howard Clowes</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">67,500</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">9,167</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">76,667</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:10pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">An van Es-Johansson, M.D.</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">57,500</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">9,167</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">66,667</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:10pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Robert Lenk, PhD</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">45,000</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">9,167</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">54,167</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:10pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Greg Petersen</span><span style="color:#000000;top:-4.6899999999999995pt;white-space:pre-wrap;font-size:6.7pt;position:relative;font-kerning:none;min-width:fit-content;">(4)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">72,500</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">9,167</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">81,667</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
   </table><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(1)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Dr. Hedrick is not included in this table as he is our Chief Executive Officer and receives no extra compensation for his service as a director. The compensation received by Dr. Hedrick in his capacity as our Chief Executive Officer is set forth above in this Amendment in the in the &#8220;Summary Compensation Table,&#8221; and further described in the &#8220;Narrative Disclosures to Summary Compensation Table.&#8221;  </span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(2)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Amounts in this column represent awards of restricted stock options with the aggregate grant date fair value computed in accordance with FASB ASC Topic 718. The fair value was determined in accordance with U.S. GAAP based on the closing price of our Common Stock on the applicable grant date. The vesting of these stock awards are service based and subject to continued participant as Board members.</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(3)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The aggregate number of shares underlying outstanding option awards as of December 31, 2024 was: (i) Mr. Hawkins, 5,900, shares; (ii) Mr. Clowes, 5,900 shares; (iii) Dr. van Es-Johansson, 5,900 shares; (iv) Dr. Lenk, 5,900 shares; and (v) Mr. Peterson, 5,900 shares.</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(4)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Greg Petersen resigned from the Board and his committee positions on April 18, 2025.</span></div></div><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Mr. Guse was elected to our Board in April 2025 and did not earn any compensation during fiscal year 2024.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:0;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:0;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Executive Compensation</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Our named executive officers, or NEOs, for fiscal year 2024 are:</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Marc H. Hedrick, M.D., our President and Chief Executive Officer;  </span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Andrew Sims, our Chief Financial Officer, and</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Norman LaFrance, M.D., our former Chief Medical Officer</span></div></div><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The compensation discussion below should be read in conjunction with the compensation tables and related notes, which include more detailed information about the compensation of our NEOs for 2024 and 2023.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Summary Compensation Table</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The following table sets forth information concerning compensation earned during 2024 and 2023 for services rendered to us by our NEOs.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p>
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:40.64%;box-sizing:content-box;"/>
     <td style="width:1%;box-sizing:content-box;"/>
     <td style="width:1%;box-sizing:content-box;"/>
     <td style="width:4.22%;box-sizing:content-box;"/>
     <td style="width:1%;box-sizing:content-box;"/>
     <td style="width:1%;box-sizing:content-box;"/>
     <td style="width:6.86%;box-sizing:content-box;"/>
     <td style="width:1%;box-sizing:content-box;"/>
     <td style="width:1%;box-sizing:content-box;"/>
     <td style="width:6.86%;box-sizing:content-box;"/>
     <td style="width:1%;box-sizing:content-box;"/>
     <td style="width:1%;box-sizing:content-box;"/>
     <td style="width:10%;box-sizing:content-box;"/>
     <td style="width:1.52%;box-sizing:content-box;"/>
     <td style="width:1%;box-sizing:content-box;"/>
     <td style="width:10.42%;box-sizing:content-box;"/>
     <td style="width:1%;box-sizing:content-box;"/>
     <td style="width:1%;box-sizing:content-box;"/>
     <td style="width:8.48%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:8pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:1pt solid #000000;padding-right:0.01in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">NEO</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:1pt solid #000000;padding-right:0.01in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Year</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:1pt solid #000000;padding-right:0.01in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Salary<br/>($)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:1pt solid #000000;padding-right:0.01in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Option<br/>Awards<br/>($)</span><span style="color:#000000;top:-3.752pt;white-space:pre-wrap;font-weight:bold;font-size:5.36pt;position:relative;font-kerning:none;min-width:fit-content;">(1)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:1pt solid #000000;padding-right:0.01in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Non-Equity<br/>Incentive Plan<br/>Compensation<br/>($)</span><span style="color:#000000;top:-3.752pt;white-space:pre-wrap;font-weight:bold;font-size:5.36pt;position:relative;font-kerning:none;min-width:fit-content;">(2)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:1pt solid #000000;padding-right:0.01in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">All Other<br/>Compensation<br/>($)</span><span style="color:#000000;top:-3.752pt;white-space:pre-wrap;font-weight:bold;font-size:5.36pt;position:relative;font-kerning:none;min-width:fit-content;">(3)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:1pt solid #000000;padding-right:0.01in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Total<br/>($)</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td rowspan="2" style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:9.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Marc H. Hedrick, M.D.<br/></span><span style="color:#000000;white-space:pre-wrap;font-style:italic;font-kerning:none;min-width:fit-content;">President and Chief Executive Officer</span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"><br/></span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td rowspan="2" style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2024</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">556,400</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">335,348</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">321,321</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">47,216</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">1,260,285</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="border-top:0.75pt solid #ffffff03;padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2023</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">556,400</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">188,692</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">336,622</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">52,313</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">1,134,027</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td rowspan="2" style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:9.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Andrew Sims<br/></span><span style="color:#000000;white-space:pre-wrap;font-style:italic;font-kerning:none;min-width:fit-content;">Chief Financial Officer</span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"><br/></span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td rowspan="2" style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2024</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">372,750</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">74,758</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">156,555</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">17,053</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">621,116</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2023</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">355,000</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">40,722</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">125,803</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">17,706</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">539,231</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td rowspan="2" style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Norman LaFrance, M.D.</span><span style="color:#000000;top:-4.6899999999999995pt;white-space:pre-wrap;font-size:6.7pt;position:relative;font-kerning:none;min-width:fit-content;">(4)</span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"><br/></span><span style="color:#000000;white-space:pre-wrap;font-style:italic;font-kerning:none;min-width:fit-content;">Former Chief Medical Officer</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2024</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">258,446</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">-</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">-</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">27,466</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">285,912</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2023</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">440,000</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">29,244</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;text-indent:8.65pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="margin-left:1.6%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">161,700</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">44,321</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">675,265</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(1)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The amounts in this column reflect the aggregate grant date fair value of stock options granted to our NEOs during the years indicated. In accordance with SEC rules, the amounts shown exclude the impact of estimated forfeitures related to service-based vesting conditions computed in accordance with ASC Topic 718. Assumptions used in the calculation of these amounts are included in Note 16 to our consolidated financial statements which are included in Part II, Item 8 of our Original Filing.</span></div></div></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(2)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The amounts in this column represent annual performance-based bonuses for 2024 and 2023. For additional information, see narrative below under &#8220;Annual Bonuses and Non-Equity Incentive Plan Compensation.&#8221;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(3)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">This column includes standard benefits, including a 401K match, and health and life insurance premiums.</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(4)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">On June 11, 2024, Dr. LaFrance stepped down from his position as the Company&#8217;s Chief Medical Officer.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"><br/></span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></div></div><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Narrative Disclosures to Summary Compensation Table</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Employment Agreements</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">On May 13, 2020 we entered into Amended and Restated Executive Employment Agreements with each of Dr. Hedrick (the &#8220;Hedrick Employment Agreement&#8221;) and Mr. Sims (the &#8220;Sims Employment Agreement&#8221; and, together with the Hedrick Employment Agreement, the &#8220;Executive Employment Agreements&#8221;). The Executive Employment Agreements generally provide for a minimum base salary, a discretionary annual cash bonus based on the achievement of Company performance goals and the ability to participate in, subject to applicable eligibility requirements, all of our benefit plans and fringe benefits and programs that may be provided to our executives from time to time. Dr. Hedrick is also eligible for certain severance payments as described further below under &#8220;</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Potential Payments upon Termination or Change-in-control</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#8221; below. Each of our NEOs is employed at will.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Compensation Committee</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The Compensation Committee operates in accordance with the compensation committee charter . The Compensation Committee charter outlines responsibilities and duties of the members, sets forth the frequency of meetings, establishes and reviews the overall compensation policies and practices of the Company and also sets forth the process to review and approve the executive compensation program for the Chief Executive Officer and other executive officers, and makes appropriate recommendations to the Board. The Compensation Committee approves or makes recommendations to our Board on decisions concerning compensation of the executive management team and the Board on a periodic basis to ensure that it is consistent with our short-term and long-term goals. The Compensation Committee assesses the appropriateness of the nature and amount of compensation of our executives by reference to relevant employment market conditions with the overall objective of ensuring maximum stakeholder benefit from the recruitment and retention of a high-quality board and executive team.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Additionally, the Compensation Committee is responsible for evaluating the performance of the Company&#8217;s key senior executives. The Company&#8217;s Chief Executive Officer and other members of management regularly discuss the Company&#8217;s compensation issues with Compensation Committee members. The Compensation Committee reviews and recommends to the Board the overall bonus and equity incentive awards for employees of the Company. Additionally, the Company&#8217;s Chief Executive Officer makes recommendations to the Compensation Committee for review, modification (if applicable) and approval in relation to bonuses and equity incentive awards for members of the executive management team.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Compensation Setting Process</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">In the process of determining compensation for our NEOs, the Compensation Committee considers the current financial position of the Company, the strategic goals of the Company, and the performance of each of our NEOs. The Compensation Committee retained Anderson Pay Advisors in January 2023 and January 2024, to perform an independent compensation review and to provide compensation research, analysis and recommendations relating to executive compensation. In addition, from time to time, the Compensation Committee considers the various components (described below) of our executive compensation program in relation to compensation paid by other public companies, compensation data from Radford Global Life Sciences Survey, a historical review of all executive officer compensation, and recommendations from our Chief Executive Officer (other than for his own compensation). The Compensation Committee has the sole authority to select, compensate and terminate its external advisors. The Compensation Committee utilizes the following components of compensation (described further below) to strike an appropriate balance between promoting sustainable and excellent performance and discouraging any excessive risk-taking behavior:</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Annual Base Salaries</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Our NEOs receive a base salary to compensate them for services rendered to us. The base salary payable to each NEO is intended to provide a fixed component of compensation reflecting the executive&#8217;s skill set, experience, role and responsibilities. None of the NEOs is currently party to an agreement or arrangement that provides for automatic or scheduled increases in base salary.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Equity-Based Incentive Compensation</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">We designed our long-term equity grant program to further align the interests of our executives with those of our stockholders, provide our executives with a strong link to our long-term performance and create an ownership culture. Historically, the Compensation Committee has granted stock options, although from time-to-time, to further increase the emphasis on performance-based compensation, the Compensation Committee may grant other equity awards as allowed by the 2020 Stock Incentive Plan, based on its judgment as to whether the complete compensation packages given to our executives, including prior equity awards, are</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">appropriate and sufficient to retain and incentivize the executives and whether the grants balance long-term versus short-term compensation. The Compensation Committee also considers our overall performance as well as the individual performance of each of our NEOs, the potential dilutive effect of restricted stock awards, the dilutive and overhang effect of the equity awards and recommendations from the Chief Executive Officer (other than with respect to his own equity awards).</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Stock options are granted with an exercise price equal to the fair market value of our Common Stock on the date of grant.</span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">For the year ended December 31, 2024, our Chief Executive Officer was awarded stock options covering a total of 291,607 shares, our Chief Financial Officer was awarded stock options covering a total of 65,007 shares and our former Chief Medical Officer was issued a stock option covering 24,073 shares.  For the year ended December 31, 2023, our Chief Executive Officer was awarded stock options covering a total of 6,720 shares, our Chief Financial Officer was awarded stock options covering a total of 1,451 shares and our former Chief Medical Officer was issued a stock option covering 1,047 shares. You can find more information on the stock options granted to our NEOs below under &#8220;Outstanding Equity Awards at December 31, 2024&#8221; heading below.</span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Annual Bonuses and Non-Equity Incentive Plan Compensation</span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Target bonuses are reviewed annually and established as a percentage of the NEOs&#8217; base salaries, generally based upon seniority of the officer and targeted at or near the median of the peer group and relevant survey data (including the Radford Global Life Sciences Survey). Each year, the Compensation Committee establishes corporate objectives related to the Company&#8217;s clinical, financial and operational goals and sets each NEO&#8217;s respective bonus target percentages, taking into account recommendations from our Chief Executive Officer as it relates to individual objectives for executive positions other than the Chief Executive Officer. Our Chief Executive Officer&#8217;s target bonus is set by the Compensation Committee to align entirely with our overall corporate objectives. Our other NEOs have additional individual goals, the attainment of which comprises a specified percentage of their total bonus compensation. After each fiscal year-end, our Chief Executive Officer provides the Compensation Committee with a written evaluation showing actual performance as compared to corporate and/or individual objectives, and the Compensation Committee uses that information, along with the overall corporate performance, to determine what percentage of each executive&#8217;s bonus target will be paid out as a bonus for that year. Overall, the Compensation Committee seeks to establish corporate and individual functional goals to be challenging, yet attainable, and stretch goals to be highly challenging.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Dr. Hedrick&#8217;s target bonus for the Company&#8217;s 2024 and 2023 fiscal years, as a percentage of base salary, was fifty-five percent (55%). Mr. Sims&#8217; target bonus as a percentage of base salary was forty percent (40%) and thirty-five percent (35%) for the Company&#8217;s 2024 and 2023 fiscal years, respectively, and Dr. LaFrance&#8217;s target bonus for the Company&#8217;s 2024 and 2023 fiscal years, as a percentage of base salary, was thirty-five percent (35%).</span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">For the Company&#8217;s 2024 fiscal year, the corporate goals approved by the Board (upon recommendation of the Compensation Committee for purposes of executive compensation) were determined by the Compensation Committee to have been achieved at a level of 105%. As our Chief Executive Officer&#8217;s bonus is based exclusively on attainment of our corporate goals, Dr. Hedrick received $321,321, or 105% of his target cash bonus. Based upon the attainment of 105% of the corporate goals, and (i) upon an attainment of 105% of his individual goals, our Chief Financial Officer, Mr. Sims, received $156,555, or 105% of his target cash bonus. Dr. LaFrance left his position of Chief Financial Officer on June 11, 2024 and was not eligible for a bonus in 2024.</span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">For the Company&#8217;s 2023 fiscal year, the corporate goals approved by the Board (upon recommendation of the Compensation Committee for purposes of executive compensation) were determined by the Compensation Committee to have been achieved at a level of 110%. As our Chief Executive Officer&#8217;s bonus is based exclusively on attainment of our corporate goals, Dr. Hedrick received $336,622, or 110% of his target cash bonus. Based upon the attainment of 110% of the corporate goals, and (i) upon an attainment of seventy-five percent (75%) of his individual goals, our Chief Financial Officer, Mr. Sims, received $125,803, or 101% of his target cash bonus; and (ii) upon an attainment of 100% of his individual goals, our former Chief Medical Officer, Dr. LaFrance, received $161,700, or 105% of his target cash bonus.</span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Personal Benefits and Perquisites</span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">All of our executives are eligible to participate in our employee benefit plans, including medical, dental, vision, life insurance, short-term and long-term disability insurance, flexible spending accounts and 401(k). These plans are available to all full-time employees. In keeping with our philosophy to provide total compensation that is competitive within our industry, we offer limited personal benefits and perquisites to executive officers. You can find more information on the amounts paid for these perquisites to, or on behalf of, our NEOs in our Summary Compensation Table.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Outstanding Equity Awards at December 31, 2024</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The following table sets forth information regarding outstanding equity awards held by our NEOs as of December 31, 2024.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p>
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:35.786%;box-sizing:content-box;"/>
     <td style="width:1.359%;box-sizing:content-box;"/>
     <td style="width:1.359%;box-sizing:content-box;"/>
     <td style="width:9.936%;box-sizing:content-box;"/>
     <td style="width:1.359%;box-sizing:content-box;"/>
     <td style="width:1.359%;box-sizing:content-box;"/>
     <td style="width:10.076%;box-sizing:content-box;"/>
     <td style="width:1.359%;box-sizing:content-box;"/>
     <td style="width:1.359%;box-sizing:content-box;"/>
     <td style="width:13.195%;box-sizing:content-box;"/>
     <td style="width:1.359%;box-sizing:content-box;"/>
     <td style="width:1.359%;box-sizing:content-box;"/>
     <td style="width:7.837%;box-sizing:content-box;"/>
     <td style="width:1.359%;box-sizing:content-box;"/>
     <td style="width:1.359%;box-sizing:content-box;"/>
     <td style="width:9.576%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:8pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:1pt solid #000000;padding-right:0.01in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Name</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:1pt solid #000000;padding-right:0.01in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Option<br/>Grant Date</span><span style="color:#000000;top:-3.752pt;white-space:pre-wrap;font-weight:bold;font-size:5.36pt;position:relative;font-kerning:none;min-width:fit-content;">(1)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:1pt solid #000000;padding-right:0.01in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Number of<br/>Securities<br/>Underlying<br/>Unexercised<br/>Options (#)<br/>Exercisable</span><span style="color:#000000;top:-3.752pt;white-space:pre-wrap;font-weight:bold;font-size:5.36pt;position:relative;font-kerning:none;min-width:fit-content;">(3)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:1pt solid #000000;padding-right:0.01in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Number of<br/>Securities<br/>Underlying<br/>Unexercised<br/>Unearned<br/>Options (#)<br/>Unexercisable</span><span style="color:#000000;top:-3.752pt;white-space:pre-wrap;font-weight:bold;font-size:5.36pt;position:relative;font-kerning:none;min-width:fit-content;">(2)(3)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:1pt solid #000000;padding-right:0.01in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Option<br/>Exercise<br/>Price ($)</span><span style="color:#000000;top:-3.752pt;white-space:pre-wrap;font-weight:bold;font-size:5.36pt;position:relative;font-kerning:none;min-width:fit-content;">(3)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:0.75pt solid #ffffff;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:1pt solid #000000;padding-right:0.01in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Option<br/>Expiration<br/>Date</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td rowspan="6" style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Marc H. Hedrick, M.D.,<br/></span><span style="color:#000000;white-space:pre-wrap;font-style:italic;font-kerning:none;min-width:fit-content;">President and Chief Executive Officer</span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"><br/></span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td rowspan="6" style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:0.85pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="margin-left:0.16%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">1/30/2015</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:11.95pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:2.213%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">3</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:17.15pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:3.173%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8212;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:2.1pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:0.387%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">54,000</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">1/30/2025</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="border-top:0.75pt solid #ffffff03;padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:0.85pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="margin-left:0.16%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">1/4/2016</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:11.95pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:2.213%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">8</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:17.15pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:3.173%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8212;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:2.1pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:0.387%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">21,060</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">1/4/2026</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="border-top:0.75pt solid #ffffff03;padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:0.85pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="margin-left:0.16%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">3/8/2017</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:11.95pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:2.213%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">13</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:17.15pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:3.173%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8212;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:2.1pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:0.387%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">11,625</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">3/8/2027</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="border-top:0.75pt solid #ffffff03;padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:0.85pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="margin-left:0.16%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">6/25/2020</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:11.95pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:2.213%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">9,334</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:17.15pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:3.173%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8212;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:2.1pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:0.387%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">32</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">6/25/2030</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="border-top:0.75pt solid #ffffff03;padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:0.85pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="margin-left:0.16%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2/16/2021</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:11.95pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:2.213%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">5,644</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:17.15pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:3.173%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">244</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:2.1pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:0.387%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">55</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2/16/2031</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="border-top:0.75pt solid #ffffff03;padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:0.85pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="margin-left:0.16%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">5/25/2021</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:11.95pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:2.213%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">11,995</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:17.15pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:3.173%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">1,390</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:2.1pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:0.387%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">34</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">5/25/2031</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:0.85pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="margin-left:0.16%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2/15/2023</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:11.95pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:2.213%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">14,784</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:17.15pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:3.173%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">17,471</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:2.1pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:0.387%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">6</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2/15/2033</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;text-indent:0.85pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="margin-left:0.16%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2/22/2024</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;text-indent:11.95pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:2.213%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">19,586</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;text-indent:17.15pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:3.173%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">74,425</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;text-indent:2.1pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:0.387%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2/22/2034</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;text-indent:0.85pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="margin-left:0.16%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">9/11/2024</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;text-indent:11.95pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:2.213%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">12,350</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;text-indent:17.15pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:3.173%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">185,245</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;text-indent:2.1pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:0.387%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">1</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">9/11/2034</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td rowspan="4" style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Andrew Sims<br/></span><span style="color:#000000;white-space:pre-wrap;font-style:italic;font-kerning:none;min-width:fit-content;">Chief Financial Officer</span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"><br/></span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td rowspan="4" style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:0.85pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="margin-left:0.16%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2/6/2020</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:11.95pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:2.213%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2,585</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:17.15pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:3.173%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">82</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:2.1pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:0.387%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">33</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2/6/2030</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:0.85pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="margin-left:0.16%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2/16/2021</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:11.95pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:2.213%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">4,258</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:17.15pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:3.173%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">184</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:2.1pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:0.387%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">55</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2/16/2031</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:0.85pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="margin-left:0.16%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">5/25/2021</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:11.95pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:2.213%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">5,985</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:17.15pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:3.173%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">695</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:2.1pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:0.387%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">34</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">5/25/2031</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:0.85pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="margin-left:0.16%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2/15/2023</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:11.95pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:2.213%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">3,191</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:17.15pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:3.173%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">3,770</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;text-indent:2.1pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:0.387%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">6</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8203;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2/15/2033</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;text-indent:0.85pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="margin-left:0.16%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2/22/2024</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;text-indent:11.95pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:2.213%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">3,944</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;text-indent:17.15pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:3.173%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">14,989</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;text-indent:2.1pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:0.387%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2/22/2034</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;text-indent:0.85pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="margin-left:0.16%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">9/11/2024</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;text-indent:11.95pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:2.213%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8212;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;text-indent:17.15pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:3.173%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">46,074</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;text-indent:2.1pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:0.387%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">1</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:2pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">9/11/2034</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(1)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">For a better understanding of this table, we have included an additional column showing the grant date of the stock option</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(2)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Unless otherwise provided, unvested stock options are subject to four- (4) year vesting (from the grant date), and all stock options have a contractual term of ten (10) years from the date of grant. Awards presented in this table contain one (1) of the following two vesting provisions:</span></div></div><div class="item-list-element-wrapper" style="margin-left:9.065%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.989278055754109%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">a.</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">With respect to an initial stock option grant to an employee, one fourth (1/4th) of the shares subject to the award vest on the one- year anniversary of the vesting start date, while an additional one thirty-sixth (1/36th) of the remaining option shares vest at the end of each month thereafter for thirty-six (36) consecutive months, or</span></div></div><div class="item-list-element-wrapper" style="margin-left:9.065%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.989278055754109%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">b.</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">With respect to stock option grants made to an employee after one (1) full year of employment, one forty-eighth (1/48th) of the shares subject to the award vest at the end of each month thereafter for forty-eight (48) consecutive months, as measured from the vesting start date.</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(3)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">We consummated a 1-for-15 reverse stock split in May 2016, a 1-for-10 reverse stock split in May 2018, a 1-for-50 reverse stock split in August 2019 and a 1-for-15 reverse stock split in May 2023. The amounts set forth in this column reflect these four reverse stock splits.</span></div></div><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Potential Payments upon Termination or Change-in-control</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Pursuant to the terms of the Executive Employment Agreements, if one of our NEOs is terminated without &#8220;cause&#8221; or resigns for &#8220;good reason,&#8221; (both, a &#8220;Severance Termination&#8221;), then such NEO will be eligible to receive: (i) an amount equal to twelve (12) months of his base salary; (ii) an amount equal to his target bonus for the year in which such Severance Termination occurs; (iii) the annual bonus earned for the prior calendar year, if not yet paid, as of the date of such Severance Termination; (iv) an amount equal to twelve (12) months of the premiums such NEO is required to pay under the Consolidated Omnibus Budget Reconciliation Act of 1985, as amended (&#8220;COBRA&#8221;), to continue coverage for him and his eligible dependents under our group health plans; and (v) the accelerated vesting of such NEO&#8217;s unvested equity incentive awards that would have vested during the period beginning on the date of such Severance Termination and ending on (a) in case of a Severance Termination of Dr. Hedrick, twelve (12) months thereafter, or (b) in the case of a Severance Termination of Mr. Sims, nine (9) months thereafter. In order to be eligible for the benefits set forth above, such NEO must sign (and not revoke) a general release of claims in favor of the Company as of the date of the Severance Termination, as applicable (a &#8220;Release&#8221;).If a Severance Termination occurs within the period beginning on the date the Company and an acquiror formally or informally agree on the terms of a transaction which, if consummated, would constitute a &#8220;change in control&#8221; and ending on the closing date of the change in control, or within twelve (12) months following a change in control, upon signing a Release (a &#8220;CoC Termination&#8221;), such NEO will be eligible to receive: (i) those items listed in the above paragraph under subclauses (ii) and (iii); (ii) an amount equal to (a) in the case of a CoC Termination of Dr. Hedrick, eighteen (18) months of the greater of his base salary in effect immediately prior to the date of such CoC Termination and his base salary in effect on the date the terms of a transaction that results in a change in control are agreed to, or (b) in the case of a CoC Termination of Mr. Sims, twelve (12) months of the greater of his base salary in effect immediately prior to the date of such CoC Termination and his base salary in effect on the date the terms of a transaction that results in a change in control are agreed to; (iii) the amounts listed in the above paragraph under subclause (iv), except that, if the CoC Termination is for Dr. Hedrick, the amount of the COBRA payment will be increased to eighteen (18) months; (iv) the acceleration of such NEO&#8217;s remaining unvested equity incentive awards effective on the later of the CoC Termination and the date of the change in control; and (v) the right to exercise the equity incentive awards granted to him on or after the date of his Executive Employment Agreement until the later of (a) three (3) months after the CoC Termination, (b) three (3) months following the change in control with respect to any equity incentive awards that become exercisable upon a change in control</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">due to the acceleration in connection with the change in control and (c) any period specified in such NEO&#8217;s award agreements (but not beyond the original expiration date of any equity incentive award). Further, even if a CoC Termination does not occur, if any of our NEOs remain employed by the Company as of the closing of such change in control, all of such NEO&#8217;s outstanding unvested incentive stock awards shall automatically accelerate on the date of such change of control.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Under the Executive Employment Agreements, the term &#8220;cause&#8221; generally refers to the occurrence of certain events including (i) the employee&#8217;s extended disability, (ii) the employee&#8217;s repudiation of his employment or his Executive Employment Agreement, (c) the employee&#8217;s conviction of a felony or certain misdemeanors, (iv) the employee&#8217;s demonstrable and documented fraud, (v) an intentional, reckless or grossly negligent action which causes material harm to the Company, (vi) an intentional failure to substantially perform material employment duties or directives, and (vii) the chronic absence from work for reasons other than illness, permitted vacation or resignation for good reason.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Under the Executive Employment Agreements, the term &#8220;good reason&#8221; generally refers to: (i) the Company&#8217;s material breach of its obligation to pay the employee the compensation earned for any past service (at the rate which had been stated to be in effect for such period of service); (ii) a change in the employee&#8217;s position with the Company which materially reduces the employee&#8217;s duties or stature in the business conducted by the Company; and (iii) a reduction in the employee&#8217;s level of compensation, provided, however, that a Company-wide reduction of compensation of not more than fifteen percent (15%) that is also applicable to all of the senior management of the Company and which continues for less than three (3) months, shall not constitute good reason.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Under the Executive Employment Agreements, the term &#8220;change of control&#8221; generally refers to (i) a change in the composition of the Board, as a result of which fewer than one-half (1/2) of the incumbent directors are directors who either: (a) had previously been directors of the Company; or (b) were elected, or were nominated for election, to the Board with the affirmative votes of at least a majority of the aggregate of the original directors who were still in office at the time of the election or nomination and the directors whose election or nomination was previously so approved; (ii) any &#8220;person&#8221; who, by the acquisition or aggregation of securities, is or becomes the &#8220;beneficial owner&#8221; (as defined in Rule 13d-3 under the Exchange Act), directly or indirectly, of securities of the Company representing fifty percent (50%) or more of the combined voting power of the Company&#8217;s then outstanding securities ordinarily having the right to vote at elections of directors (the &#8220;Base Capital Stock&#8221;); except that any change in the relative beneficial ownership of the Company&#8217;s securities, by any person, resulting solely from a reduction in the aggregate number of outstanding shares of Base Capital Stock, and any decrease thereafter in such person&#8217;s ownership of securities, shall be disregarded until such person increases, in any manner, directly or indirectly, such person&#8217;s beneficial ownership of any securities of the Company; (iii) the consummation of a merger or consolidation of the Company with or into another entity or any other corporate reorganization, if persons who were not stockholders of the Company immediately prior to such merger, consolidation or other reorganization own, immediately after such merger, consolidation or other reorganization, fifty percent (50%) or more of the voting power of the outstanding securities of each of (a) the continuing or surviving entity and (b) any direct or indirect parent corporation of such continuing or surviving entity; or (iv) the sale, transfer or other disposition of all or substantially all of the Company&#8217;s assets.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Retirement, Termination for Cause, or Resignation without Good Reason Arrangements</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The Company does not have any agreements or plans, other than the Executive Employment Agreements, in place for the NEOs that would provide additional compensation in connection with a retirement, termination for cause or resignation without good reason.</span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:12pt;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Policy Related to the Grant of Certain Equity Awards</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Our Compensation Committee has generally granted annual equity awards, including stock option grants to our directors and NEOs, in the first quarter of each fiscal year, specifically in mid-February. In addition, certain new hires receive stock option grants at the time of their hiring. During 2024, our Compensation Committee did not take into account any material nonpublic information when determining the timing and terms of equity incentive awards, and we did not time the disclosure of material nonpublic information for the purpose of affecting the value of executive compensation. During 2024, we did not grant stock options to our NEOs during any period beginning four business days before and ending one business day after the filing or furnishing of a Quarterly Report on Form 10-Q, an Annual Report on Form 10-K or a Current Report on Form 8-K that disclosed material nonpublic information.</span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;" id="item_12_security_ownership_certain_benef"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Item 12. Security Ownership of Certain Beneficial Own</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">ers and Management and Related Stockholder Matters.</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Security Ownership of Certain Beneficial Owners and Management</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The following table sets forth information regarding ownership of our common stock as of April 18, 2025 (or earlier date for information based on filings with the SEC) by (a) each person known to us to own more than 5% of the outstanding shares of our common stock, (b) each director, (c) our Chief Executive Officer and our Chief Financial Officer who constitute our NEOs and (e) all current directors and executive officers as a group.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">We have determined beneficial ownership in accordance with the rules of the SEC, which generally means that a person has beneficial ownership of a security if he or she possesses sole or shared voting or investment power over that security, including options or</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">warrants that are currently exercisable or exercisable within sixty (60) days of April 18, 2025. The information in the table below does not necessarily indicate beneficial ownership for any other purpose.</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">We have deemed shares of our common stock subject to stock options and warrants that are currently exercisable or exercisable within sixty (60) days of April 18, 2025 to be outstanding and to be beneficially owned by the person holding the stock option or warrant for the purpose of computing the percentage ownership of that person, except as explained below. We did not, however, deem such shares outstanding for the purpose of computing the percentage ownership of any other person or entity.</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">We believe, based on information provided to us or based on filings with the SEC, that each of the stockholders listed below has sole voting and investment power with respect to the shares beneficially owned by the stockholder unless noted otherwise, subject to community property laws where applicable. A total of 16,999,626 shares of our common stock were issued and outstanding as of April 18, 2025.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p>
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:94.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:81.886%;box-sizing:content-box;"/>
     <td style="width:8.514%;box-sizing:content-box;"/>
     <td style="width:9.6%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:8pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Beneficial</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Ownership</span></p></td>
    </tr>
    <tr style="height:8pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:1pt solid #000000;padding-right:0.01in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Name of Beneficial Owner</span><span style="color:#000000;top:-3.752pt;white-space:pre-wrap;font-weight:bold;font-size:5.36pt;position:relative;font-kerning:none;min-width:fit-content;">(1)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:1pt solid #000000;padding-right:0.01in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Shares</span><span style="color:#000000;top:-3.752pt;white-space:pre-wrap;font-weight:bold;font-size:5.36pt;position:relative;font-kerning:none;min-width:fit-content;">(2)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;border-bottom:1pt solid #000000;padding-right:0.01in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Percentage</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Greater than 5% Stockholders<br/></span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Entities associated with AIGH Capital Management, LLC</span><span style="color:#000000;top:-4.6899999999999995pt;white-space:pre-wrap;font-size:6.7pt;position:relative;font-kerning:none;min-width:fit-content;">(3)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">1,886,749</span></p></td>
     <td style="padding-top:0.01in;text-indent:10.05pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:1.867%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">9.99%</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">S.H.N Financial Investments Ltd. </span><span style="color:#000000;top:-4.6899999999999995pt;white-space:pre-wrap;font-size:6.7pt;position:relative;font-kerning:none;min-width:fit-content;">(4)</span><span style="color:#000000;top:-4.6899999999999995pt;white-space:pre-wrap;font-size:6.7pt;position:relative;font-kerning:none;min-width:fit-content;"> </span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">                                                                                                                   </span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">1,788,474</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">9.99%</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Great Point Capital, LLC </span><span style="color:#000000;top:-4.6899999999999995pt;white-space:pre-wrap;font-size:6.7pt;position:relative;font-kerning:none;min-width:fit-content;">(5)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">1,788,474</span></p></td>
     <td style="padding-top:0.01in;text-indent:10.05pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:1.867%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">9.99%</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-style:italic;font-kerning:none;min-width:fit-content;">Directors and Named Executive Officers:<br/></span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-style:italic;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Marc H. Hedrick, M.D. </span><span style="color:#000000;top:-4.6899999999999995pt;white-space:pre-wrap;font-size:6.7pt;position:relative;font-kerning:none;min-width:fit-content;">(6)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">183,839</span></p></td>
     <td style="padding-top:0.01in;text-indent:10.05pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:1.867%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">1.08%</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Andrew Sims</span><span style="color:#000000;top:-4.6899999999999995pt;white-space:pre-wrap;font-size:6.7pt;position:relative;font-kerning:none;min-width:fit-content;">(7)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">47,137</span></p></td>
     <td style="padding-top:0.01in;text-indent:10.05pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:1.867%;text-indent:0;font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">*</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#ffffff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Howard Clowes</span><span style="color:#000000;top:-4.6899999999999995pt;white-space:pre-wrap;font-size:6.7pt;position:relative;font-kerning:none;min-width:fit-content;">(8)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">65,560</span></p></td>
     <td style="padding-top:0.01in;text-indent:10.05pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:1.867%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">*</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">An van Es-Johansson, M.D.</span><span style="color:#000000;top:-4.6899999999999995pt;white-space:pre-wrap;font-size:6.7pt;position:relative;font-kerning:none;min-width:fit-content;">(9)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">19,455</span></p></td>
     <td style="padding-top:0.01in;text-indent:10.05pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:1.867%;text-indent:0;font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">*</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#ffffff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Richard J. Hawkins</span><span style="color:#000000;top:-4.6899999999999995pt;white-space:pre-wrap;font-size:6.7pt;position:relative;font-kerning:none;min-width:fit-content;">(10)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">43,119</span></p></td>
     <td style="padding-top:0.01in;text-indent:10.05pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:1.867%;text-indent:0;font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">*</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Kyle Guse</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8212;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8212;</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#ffffff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Robert P. Lenk, PhD</span><span style="color:#000000;top:-4.6899999999999995pt;white-space:pre-wrap;font-size:6.7pt;position:relative;font-kerning:none;min-width:fit-content;">(11)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">57,116</span></p></td>
     <td style="padding-top:0.01in;text-indent:10.05pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:1.867%;text-indent:0;font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">*</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Norman La France, M.D.</span><span style="color:#000000;top:-4.6899999999999995pt;white-space:pre-wrap;font-size:6.7pt;position:relative;font-kerning:none;min-width:fit-content;">(12)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8212;</span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8212;</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#ffffff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-style:italic;font-kerning:none;min-width:fit-content;">All current executive officers and directors as a group (7 persons)</span><span style="color:#000000;white-space:pre-wrap;font-style:italic;font-kerning:none;min-width:fit-content;">                                                              </span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;&#160;416,226</span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">                   </span></p></td>
     <td style="padding-top:0.01in;text-indent:10.05pt;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0.01in;text-align:center;"><p style="margin-left:1.867%;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2.45%</span></p></td>
    </tr>
   </table><p style="text-indent:6.667%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="text-indent:6.667%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">* Less than 1%.</span></p><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(1)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Unless otherwise indicated, the address of each of the persons listed above is c/o Plus Therapeutics, Inc., 2710 Reed Rd, Suite 160, Houston, TX 77051.</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(2)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Reflects beneficial ownership of common stock as defined in Rule 13d-3 under the Exchange Act.</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(3)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Reflects (i) AIGH Investment Partners, L.P. (&#8220;AIGH LP&#8221;) holdings of: (A) 1,655,305 shares of common stock issuable upon the exercise of Series A common warrants issued in connection with an offering and sale of securities in a private placement of the Company (the &#8220;March 2025 PIPE Financing&#8221;) that was consummated on March 4, 2025 (&#8220;Series A Warrants&#8221;), (B) 1,655,305 shares of common stock issuable upon the exercise of Series B common warrants purchased in the March 2025 PIPE Financing (&#8220;Series B Warrants&#8221;), and (C) 953,537 shares of common stock issuable upon the exercise of Series B common warrants (&#8220;May 2024 Series B Warrants&#8221;) purchased in the May 2024 PIPE Financing (as defined below);(ii) WVP Emerging Manager Onshore Fund, LLC &#8211; AIGH Series (&#8220;Onshore &#8211; AIGH&#8221;) holdings of: (A) 570,216 shares of common stock issuable upon the exercise of Series A Warrants, (B) 570,216 shares of common stock issuable upon the exercise ofSeries B Warrants, and (C) 330,144 shares of common stock issuable upon the exercise of May 2024 Series B Warrants; and (iii) AIGH Investment Partners, LLC (&#8220;AIGH LLC&#8221;) holdings of: (A) 185,460 shares of common stock issuable upon the exercise of Series A Warrants, (B) 185,460 shares of common stock issuable upon the exercise of Series B Warrants, and (C) 123,640 shares of common stock issuable upon the exercise of May 2024 Series B Warrants. Mr. Orin Hirschman (&#8220;Mr. Hirschman&#8221;) is the Managing Member of AIGH Capital Management, LLC (&#8220;AIGH CM&#8221;) and president of AIGH LLC. AIGH CM is an advisor or sub-advisor with respect to shares of the securities of the Company held by AIGH LP, Onshore &#8211; AIGH, and AIGH LLC. Mr. Hirschman has voting and investment control over the securities indirectly held by AIGH CM, directly held by AIGH LP and directly held by Mr. Hirschman and his family. The address of AIGH CM, AIGH LP, Onshore &#8211; AIGH and AIGH LLC is 6006 Berkeley Avenue, Baltimore, MD 21209. The shares of common stock issuable upon exercise of the Series A Warrants, Series B Warrants and May 2024 Series B Warrants held by AIGH LP, Onshore &#8211; AIGH and AIGH LLC are each subject to a beneficial ownership limitation of 9.99% and accordingly, not all shares underlying such warrants are reflected in the table above as being beneficially owned.</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(4)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Reflects (i) 885,454 shares of common stock, (ii) 3,660,000 shares of common stock issuable upon the exercise of prefunded warrants to purchase common stock (&#8220;Prefunded Warrants&#8221;),(iii) 4,545,454 shares of common stock issuable upon the exercise of Series A Warrants, and (iv) 4,545,454 shares of common stock issuable upon the exercise of Series B Warrants. The address of S.H.N Financial Investments Ltd. (&#8220;SHN&#8221;) is Arik Einstein 3, Herzliya, Israel. The shares of common stock issuable upon exercise of the Prefunded Warrants, Series A Warrants and Series B Warrants held by SHN are each subject to a beneficial ownership limitation of 9.99% and accordingly, not all shares underlying such warrants are reflected in the table above as being beneficially owned.</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(5)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Reflects: (i) 885,454 shares of common stock, (ii) 3,660,000 shares of common stock issuable upon the exercise of Prefunded Warrants, (iii) 4,545,454 shares of common stock issuable upon the exercise of Series A Warrants, and (iv) 4,545,454 shares of common stock issuable upon the exercise of Series B Warrants. Gabriel Mengin and Dan Dimiero, as principals of Great Point Capital, LLC, hold voting and dispositive power over the securities held by Great Point Capital, LLC. Great Point Capital, LLC is a broker-dealer. The principal business address of Great Point Capital, LLC is 200 West Jackson Blvd., Suite 1000, Chicago, IL 60606. The shares of common stock issuable upon exercise of the Prefunded Warrants, Series A Warrants and Series B Warrants held by Great Point Capital, LLC are each subject to a beneficial ownership limitation of 9.99% and accordingly, not all shares underlying such warrants are reflected in the table above as being beneficially owned.</span></div></div></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(6)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Reflects (i) 20,425 shares of common stock; (ii) 12,255 shares of common stock issuable upon the exercise of Series A common warrants to purchase shares of common stock issued in the May 2024 PIPE Financing (the &#8220;May 2024 Series A Warrants&#8221;); (iii) 12,255 shares of common stock issuable upon the exercise of May 2024 Series B Warrants; and (iv) 138,904 shares of common stock underlying options that are currently exercisable and unvested options to purchase shares of common stock held by Dr. Hedrick that will vest within 60 days of April 18, 2025. Dr. Hedrick is the President, Chief Executive Officer and a director of Plus Therapeutics.</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(7)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Reflects (i) 9,815 shares of common stock; (ii) 4,902 shares of common stock issuable upon the exercise of May 2024 Series A Warrants; (iii) 4,902 shares of common stock issuable upon the exercise of May 2024 Series B Warrants; and (iv) 27,518 shares of common stock underlying options that are currently exercisable and unvested options to purchase shares of common stock held by Mr. Sims that will vest within 60 days of April 18, 2025. Mr. Sims is the Chief Financial Officer of Plus Therapeutics.</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(8)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Reflects (i) 26,497 shares of common stock; (ii) 9,804 shares of common stock issuable upon the exercise of May 2024 Series A Warrants; (iii) 9,804 shares of common stock issuable upon the exercise of May 2024 Series B Warrants; and (iv) 19,455 shares of common stock underlying options that are currently exercisable and unvested options to purchase shares of common stock held by Mr. Clowes that will vest within 60 days of April 18, 2025. Mr. Clowes is a director of Plus Therapeutics.</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(9)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Reflects 19,455 shares of common stock underlying options that are currently exercisable and unvested options to purchase shares of common stock held by Dr. van Es-Johansson that will vest within 60 days of April 18, 2025. Dr. van Es-Johansson is a director of Plus Therapeutics.</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(10)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Reflects (i) 11,188 shares of common stock; (ii) 4,902 shares of common stock issuable upon the exercise of May 2024 Series A Warrants; (iii) 4,902 shares of common stock issuable upon the exercise of May 2024 Series B Warrants; and (iv) 22,127 shares of common stock underlying options that are currently exercisable and unvested options to purchase shares of common stock held by Mr. Hawkins that will vest within 60 days of April 18, 2025. Mr. Hawkins is the Chairman of the Board of Plus Therapeutics.</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(11)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Reflects (i) 29,327 shares of common stock; (ii) 4,167 shares of common stock issuable upon the exercise of May 2024 Series A Warrants; (iii) 4,167 shares of common stock issuable upon the exercise of May 2024 Series B Warrants; and (iv) 19,455 shares of common stock underlying options that are currently exercisable and unvested options to purchase shares of common stock held by Dr. Lenk that will vest within 60 days of April 18, 2025. Dr. Lenk is a director of Plus Therapeutics.</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(12)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Dr. LaFrance is our former Chief Medical Officer. The beneficial ownership information for Dr. LaFrance is based on information maintained by the Company.</span></div></div><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Equity Compensation Plan Information</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The following table gives information as of December 31, 2024 about shares of our common stock that may be issued upon the exercise of outstanding options, warrants and rights and shares remaining available for issuance under all of our equity compensation plans:</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:12pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p>
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:91.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:40.713%;box-sizing:content-box;"/>
     <td style="width:1.1%;box-sizing:content-box;"/>
     <td style="width:1.1%;box-sizing:content-box;"/>
     <td style="width:14.745%;box-sizing:content-box;"/>
     <td style="width:1.1%;box-sizing:content-box;"/>
     <td style="width:1.1%;box-sizing:content-box;"/>
     <td style="width:1.1%;box-sizing:content-box;"/>
     <td style="width:14.305%;box-sizing:content-box;"/>
     <td style="width:1.1%;box-sizing:content-box;"/>
     <td style="width:1.1%;box-sizing:content-box;"/>
     <td style="width:5.502%;box-sizing:content-box;"/>
     <td style="width:15.669%;box-sizing:content-box;"/>
     <td style="width:1.364%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:8pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Plan Category</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td colspan="2" style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0.01in;border-bottom:1pt solid #000000;padding-right:0in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Number of securities<br/>to be issued upon<br/>exercise of<br/>outstanding options,<br/>warrants and rights<br/>(a)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:1pt solid #ffffff03;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td colspan="2" style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0.01in;border-bottom:1pt solid #000000;padding-right:0in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Weighted-average<br/>exercise price of<br/>outstanding options,<br/>warrants and rights<br/>(b)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:1pt solid #ffffff03;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td colspan="2" style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0.01in;border-bottom:1pt solid #000000;padding-right:0in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Number of securities<br/>remaining available for<br/>future issuance under<br/>equity compensation<br/>plans (excluding<br/>securities reflected in<br/>column(a))</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">(c)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:1pt solid #ffffff03;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:10pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Equity compensation plans not approved by security holders</span><span style="color:#000000;white-space:pre-wrap;font-size:8.5pt;font-kerning:none;min-width:fit-content;">(1)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">23,897</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="border-top:1pt solid #000000;padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">$</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;43.42</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="border-top:1pt solid #ffffff03;padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">62,908</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:10pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Equity compensation plans approved by security holders</span><span style="color:#000000;white-space:pre-wrap;font-size:8.5pt;font-kerning:none;min-width:fit-content;">(2)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.5pt solid;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.5pt solid;padding-right:0in;text-align:center;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">574,643</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.5pt solid #ffffff03;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.5pt solid;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">$</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.5pt solid;padding-right:0in;text-align:center;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">5.57</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.5pt solid #ffffff03;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.5pt solid;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.5pt solid;padding-right:0in;text-align:center;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">692,596</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.5pt solid #ffffff03;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:10pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Total</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">598,540</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">$</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">7.08</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">755,504</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
    <tr style="height:1pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:1pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:1pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="border-top:2.25pt double #000000;font-size:1pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="border-top:2.25pt double #000000;font-size:1pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:1pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:1pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="border-top:2.25pt double #000000;font-size:1pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="border-top:2.25pt double #000000;font-size:1pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:1pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:1pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="border-top:2.25pt double #000000;font-size:1pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="border-top:2.25pt double #000000;font-size:1pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:1pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(1)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Represents (i) options outstanding that were issued under the 2004 Stock Option and Stock Purchase Plan which expired in August 2004, (ii) the 2015 New Employee Incentive Plan, and (iii) the 2020 Stock Incentive Plan. For more information, see &#8220;Material Features of the Amended and Restated 2015 New Employee Incentive Plan and the 2020 Stock Incentive Plan&#8221; provided in our annual report on Form 10-K filed on February 22, 2021.</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(2)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">See Notes to the Consolidated Financial Statements included with our annual report on Form 10-K filed on February  22, 2021 for a description of our 2020 Stock Incentive Plan.</span></div></div><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;" id="item_13_certain_relationships_related_tr"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Item 13. Certain Relationships and Related </span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Transactions, and Director Independence.</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Related Party Transactions</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">We have adopted a Related Person Transactions Policy that sets forth our policies and procedures regarding the identification, review, consideration, and oversight of &#8220;related person transactions.&#8221; For purposes of our policy only, a &#8220;related person transaction&#8221; is a transaction, arrangement, or relationship (or any series of similar transactions, arrangements or relationships) in which we or any of our subsidiaries are participants involving an amount that exceeds $120,000, in which any &#8220;related person&#8221; has a material interest.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Transactions involving compensation for services provided to us as an employee, consultant, or director are not considered related person transactions under this policy. A related person is any executive officer, director or a holder of more than 5% of any class of our voting securities (including our common stock), including any of their immediate family members and affiliates, including entities owned or controlled by such persons.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Under the policy, the related person in question or, in the case of transactions with a holder of more than 5% of any class of our voting securities, an officer with knowledge of the proposed transaction, must present information regarding the proposed related person transaction to our Audit Committee (or, where review by our Audit Committee would be inappropriate, to another independent body of our Board) for review. To identify related person transactions in advance, we rely on information supplied by our executive officers, directors, and certain significant stockholders. In considering related person transactions, our Audit Committee considers the relevant available facts and circumstances, which may include, but not limited to:</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">the risks, costs, and benefits to us;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">the impact on a director&#8217;s independence in the event the related person is a director, immediate family member of a director or an entity with which a director is affiliated;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">the terms of the transaction;</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">the availability of other sources for comparable services or products; and</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:6pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">&#8226;</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">the terms available to or from, as the case may be, unrelated third parties.</span></div></div><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Our Audit Committee will approve only those transactions that it determines are fair to us and in our best interests. All of the transactions described above were entered into prior to the adoption of such policy.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The following includes a summary of any related party transactions during the last two completed fiscal years to which we have been a party. We also describe below certain other transactions with our directors, executive officers and 5% stockholders. We believe the terms obtained or consideration that we paid or received, as applicable, in connection with the transactions described below were comparable to terms available or the amounts that would be paid or received, as applicable, from unaffiliated third parties.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#231f20;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#231f20;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">May 2024 PIPE Financing</span></p><p style="font-size:10pt;margin-top:0.35pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:'Calibri',sans-serif;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#231f20;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">In May 2024, we entered into a purchase agreement whereby we issued and sold in a private placement (the &#8220;May 2024 PIPE Financing&#8221;): (i)</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span><span style="color:#231f20;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">3,591,532 shares of common stock (&#8220;Private Placement Shares&#8221;), or, at the election of each purchaser, prefunded warrants. Each Private Placement Share or prefunded warrant was accompanied by (i) one May 2024 Series A Warrant, for an aggregate of 3,591,532 </span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">May 2024 Series A Warrants</span><span style="color:#231f20;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">, and (ii) one </span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">May 2024 Series B Warrant</span><span style="color:#231f20;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">, for an aggregate of 3,591,532 </span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">May 2024 Series B Warrants</span><span style="color:#231f20;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">, for aggregate gross proceeds of</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> approximately </span><span style="color:#231f20;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">$19.25 million. Among the purchasers were certain of our directors and officers.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.241%;text-align:left;"><span style="color:#231f20;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">PIPE Financing Registration Rights</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#231f20;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#231f20;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">In connection with the May 2024 PIPE Financing, in May 2024 we entered into a registration rights agreement (the &#8220;May 2024 RRA&#8221;)with each purchaser in the May 2024 PIPE Financing. Pursuant to the May 2024 RRA, we agreed to register the &#8220;registrable securities&#8221; held by the purchasers on a registration statement, or registration statements, if necessary, to permit resale of such securities on a continuous basis pursuant to Rule 415 under the Securities Act of 1933, as amended. The &#8220;registrable securities&#8221; include (a) all shares of our common stock issued to the purchasers at the closing of the May 2024 PIPE Financing, and (b) any securities issued or then issuable upon any stock split, dividend or other distribution, recapitalization or similar event with respect to the foregoing. Under the May 2024 RRA, we agreed to pay all fees and expenses incident to the performance of our obligations, including the reasonable fees of one counsel for the selling stockholders, excluding any underwriting, broker or similar fees or commissions, legal fees and other costs (except as agreed to be paid by us) of each purchaser.</span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;" id="item_14_principal_accounting_fees_servic"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Item 14. Principal Accoun</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">ting Fees and Services.</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Principal Accountant Fees and Services</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The decision to engage BDO USA, P.C. (&#8220;BDO&#8221;) as our independent registered public accounting firm for the year ended December 31, 2024, was approved by the Audit Committee.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Our policies require the Audit Committee to pre-approve all audit services and permitted non-audit services provided by the independent registered public accounting firm, including engagement fees and terms. The Audit Committee may delegate pre-approval authority to one or more of its members, who will report any pre-approval decisions to the full committee at its next scheduled meeting, but may not delegate pre-approval authority to members of management. The Audit Committee may approve only those non-audit services classified as &#8220;all other services&#8221; that it believes to be routine and recurring services, to be consistent with SEC rules and to not impair the auditor&#8217;s independence with respect to us. During our 2024 and 2023 fiscal years, no services were provided to us by BDO other than in accordance with the pre-approval policies and procedures described above.</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The following table shows the aggregate fees paid or accrued by us for the audit and other services provided by BDO USA, P.C. for fiscal years ended December 31, 2024 and 2023.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:12pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;">
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:76.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:73.424%;box-sizing:content-box;"/>
     <td style="width:2.842%;box-sizing:content-box;"/>
     <td style="width:1.321%;box-sizing:content-box;"/>
     <td style="width:8.125%;box-sizing:content-box;"/>
     <td style="width:1.001%;box-sizing:content-box;"/>
     <td style="width:2.842%;box-sizing:content-box;"/>
     <td style="width:1.321%;box-sizing:content-box;"/>
     <td style="width:8.125%;box-sizing:content-box;"/>
     <td style="width:1.001%;box-sizing:content-box;"/>
    </tr>
    <tr style="white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:8pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td colspan="6" style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Fiscal Year Ended</span></p><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:1pt;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">December 31,</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
    <tr style="height:8pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td colspan="2" style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">2024</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td colspan="2" style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">2023</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:10pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Audit Fees</span><span style="color:#000000;white-space:pre-wrap;font-size:8.5pt;font-kerning:none;min-width:fit-content;">&#160;(1)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">$</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">500,000</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">$</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">398,000</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:10pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Audit Related Fees</span><span style="color:#000000;white-space:pre-wrap;font-size:8.5pt;font-kerning:none;min-width:fit-content;">&#160;(2)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8212;</span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#8212;</span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#cceeff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:10pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Tax Fees</span><span style="color:#000000;white-space:pre-wrap;font-size:8.5pt;font-kerning:none;min-width:fit-content;">&#160;(3)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.5pt solid;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.5pt solid;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">49,000</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.5pt solid #ffffff03;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.5pt solid;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.5pt solid;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">41,900</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.5pt solid #ffffff03;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;text-indent:10pt;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="text-indent:-1.888%;padding-left:1.853%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Total</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:1.5pt double;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">$</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:1.5pt double;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">549,000</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:1.5pt double #ffffff03;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">  </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:1.5pt double;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">$</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:1.5pt double;padding-right:0in;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">439,900</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:1.5pt double #ffffff03;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
    </tr>
   </table><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(1)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Audit fees consist of fees for professional services performed by BDO for the audit of our annual financial statements included in our Original Filing and review of financial statements included in our quarterly Form 10-Q filings, reviews of registration statements and issuances of consents in connection therewith, and services that are normally provided in connection with statutory and regulatory filings or engagements.</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(2)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Audit related fees consist of fees for assurance and related services, performed by BDO that are reasonably related to the performance of the audit or review of our financial statements.</span></div></div><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(3)</span><div style="width:100%;display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Tax fees consist of fees for professional services performed by BDO with respect to tax compliance, tax advice, tax consulting and tax planning.</span></div></div></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">PART IV</span></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;" id="item_15_exhibits_financial_statement_sch"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Item 15. Exhibits, Finan</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">cial Statement Schedules</span></p><p style="font-size:10pt;margin-top:18pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">(a) (3)	Exhibits.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">List of Exhibits required by Item 601 of Regulation S-K. See Item 15(b) below.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">(b) Exhibits.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The following exhibits are filed with this Amendment and supplement the exhibits filed with the Original Filing.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">EXHIBIT INDEX</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p>
   <table style="border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;">
    <tr style="visibility:collapse;">
     <td style="width:8.94%;box-sizing:content-box;"/>
     <td style="width:48.46%;box-sizing:content-box;"/>
     <td style="width:9.78%;box-sizing:content-box;"/>
     <td style="width:7.56%;box-sizing:content-box;"/>
     <td style="width:13.12%;box-sizing:content-box;"/>
     <td style="width:12.14%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:8pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td rowspan="2" style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Exhibit</span></p><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Number</span></p></td>
     <td rowspan="2" style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Exhibit Title</span></p></td>
     <td rowspan="2" style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Filed with</span></p><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">this Form</span></p><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">10-K</span></p></td>
     <td colspan="3" style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Incorporated by Reference</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;display:none;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;display:none;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;display:none;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:2pt;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Form</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:2pt;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">File No.</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:2pt;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Date Filed</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#ffffff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:6pt;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">31.3</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:6pt;text-align:left;"><a href="pstv-ex31_3.htm"><span style="color:#0000ff;white-space:pre-wrap;text-decoration:underline solid;font-kerning:none;min-width:fit-content;">Certification of Principal Executive Officer Pursuant to Securities Exchange Act Rule 13a-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002</span></a></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">X</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:6pt;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:6pt;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:6pt;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#ffffff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:6pt;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">31.4</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:6pt;text-align:left;"><a href="pstv-ex31_4.htm"><span style="color:#0000ff;white-space:pre-wrap;text-decoration:underline solid;font-kerning:none;min-width:fit-content;">Certification of Principal Financial and Accounting Officer Pursuant to Securities Exchange Act Rule 13a-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002</span></a></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">X</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:6pt;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:6pt;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:6pt;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#ffffff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">101.INS</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">The following financial information from The Plus Therapeutics, Inc.&#8217;s Annual Report on Form 10-K for the year ended December 31, 2024, formatted in iXBRL (Inline Extensible Business Reporting Language): (i) Balance Sheets as of December 31, 2024 and 2023; (ii) Statements of Operations for the years ended December 31, 2024 and 2023; (iii) Statements of Stockholders&#8217; Equity (Deficit) for the years ended December 31, 2024 and 2023; (iv) Statements of Cash Flows for the years ended December 31, 2024 and 2023; and (v) Notes to Financial Statements.</span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">X</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#ffffff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">104</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">X</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
   </table><p style="padding-bottom:1pt;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;border-bottom:1pt solid;margin-right:83.333%;text-align:left;"><span style="white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="text-indent:-4.749%;padding-left:4.533%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">SIGNATURES</span></p><p style="text-indent:6.667%;font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p>
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:42.0%;border-collapse:separate;">
    <tr style="visibility:collapse;">
     <td style="width:7.36%;box-sizing:content-box;"/>
     <td style="width:92.64%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td colspan="2" style="padding-top:0in;padding-left:0.01in;vertical-align:bottom;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">PLUS THERAPEUTICS, INC.</span></p></td>
    </tr>
    <tr style="white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0.01in;vertical-align:bottom;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0.01in;vertical-align:top;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0.01in;vertical-align:top;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">By:</span></p></td>
     <td style="padding-top:0in;padding-left:0.01in;vertical-align:top;padding-bottom:0in;border-bottom:0.5pt solid;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">/s/ Marc H. Hedrick, MD</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0.01in;vertical-align:bottom;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0.01in;vertical-align:top;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Marc. H. Hedrick, MD</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0.01in;vertical-align:bottom;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0.01in;vertical-align:top;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-style:italic;font-kerning:none;min-width:fit-content;">President &amp; Chief Executive Officer</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0.01in;vertical-align:bottom;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0.01in;vertical-align:top;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">April 30, 2025</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
 </body>
</html>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.3
<SEQUENCE>2
<FILENAME>pstv-ex31_3.htm
<DESCRIPTION>EX-31.3
<TEXT>
<html>
 <head>
  <title>EX-31.3</title>
 </head>
 <body style="padding:8px;margin:auto!important;z-index:0;position:relative;">
  <div style="z-index:2;min-height:1in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">EXHIBIT 31.3</font><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </font></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Certification of Principal Executive Officer Pursuant to</font><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Securities Exchange Act Rule 13a-14(a)</font><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">As Adopted Pursuant to</font><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Section 302 of the Sarbanes-Oxley Act of 2002</font><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </font></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">I, Marc H. Hedrick, certify that:</font><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </font></p>
   <table style="margin-left:0.046%;border-spacing:0;table-layout:auto;width:99.0%;border-collapse:separate;">
    <tr style="visibility:collapse;">
     <td style="width:4%;box-sizing:content-box;"></td>
     <td style="width:96%;box-sizing:content-box;"></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.003in;padding-left:0.003in;vertical-align:top;padding-bottom:0.003in;padding-right:0.003in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">1.</font></p></td>
     <td style="padding-top:0.003in;padding-left:0.003in;vertical-align:top;padding-bottom:0.003in;padding-right:0.003in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">I have reviewed this Annual Report on Form 10-K of Plus Therapeutics, Inc.; and</font><font style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </font></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:12pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</font></p>
   <table style="margin-left:0.046%;border-spacing:0;table-layout:auto;width:99.0%;border-collapse:separate;">
    <tr style="visibility:collapse;">
     <td style="width:4%;box-sizing:content-box;"></td>
     <td style="width:96%;box-sizing:content-box;"></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.003in;padding-left:0.003in;vertical-align:top;padding-bottom:0.003in;padding-right:0.003in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2.</font></p></td>
     <td style="padding-top:0.003in;padding-left:0.003in;vertical-align:top;padding-bottom:0.003in;padding-right:0.003in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.</font><font style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </font></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Date: April 30, 2025</font><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </font></p>
   <table style="margin-left:0.046%;border-spacing:0;table-layout:auto;width:40.0%;border-collapse:separate;">
    <tr style="visibility:collapse;">
     <td style="width:100%;box-sizing:content-box;"></td>
    </tr>
    <tr style="white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.003in;padding-left:0.003in;vertical-align:middle;padding-bottom:0.003in;padding-right:0.003in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</font></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.003in;padding-left:0.003in;vertical-align:top;padding-bottom:0.003in;padding-right:0.003in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:1pt;border-bottom:0.75pt solid #000000;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">/s/ Marc H. Hedrick, MD</font></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.003in;padding-left:0.003in;vertical-align:top;padding-bottom:0.003in;padding-right:0.003in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Marc. H. Hedrick</font></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.003in;padding-left:0.003in;vertical-align:top;padding-bottom:0.003in;padding-right:0.003in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-style:italic;font-kerning:none;min-width:fit-content;">President &amp; Chief Executive Officer</font></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</font></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:1in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;">
 </body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.4
<SEQUENCE>3
<FILENAME>pstv-ex31_4.htm
<DESCRIPTION>EX-31.4
<TEXT>
<html>
 <head>
  <title>EX-31.4</title>
 </head>
 <body style="padding:8px;margin:auto!important;z-index:0;position:relative;">
  <div style="z-index:2;min-height:1in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">EXHIBIT 31.4</font><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </font></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Certification of Principal Financial Officer Pursuant to</font><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Securities Exchange Act Rule 13a-14(a)</font><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">As Adopted Pursuant to</font><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Section 302 of the Sarbanes-Oxley Act of 2002</font><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </font></p><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">I, Andrew Sims, certify that:</font><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </font></p>
   <table style="margin-left:0.046%;border-spacing:0;table-layout:auto;width:99.0%;border-collapse:separate;">
    <tr style="visibility:collapse;">
     <td style="width:4%;box-sizing:content-box;"></td>
     <td style="width:96%;box-sizing:content-box;"></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.003in;padding-left:0.003in;vertical-align:top;padding-bottom:0.003in;padding-right:0.003in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">1.</font></p></td>
     <td style="padding-top:0.003in;padding-left:0.003in;vertical-align:top;padding-bottom:0.003in;padding-right:0.003in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">I have reviewed this Annual Report on Form 10-K of Plus Therapeutics, Inc.; and</font><font style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </font></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:12pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</font></p>
   <table style="margin-left:0.046%;border-spacing:0;table-layout:auto;width:99.0%;border-collapse:separate;">
    <tr style="visibility:collapse;">
     <td style="width:4%;box-sizing:content-box;"></td>
     <td style="width:96%;box-sizing:content-box;"></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.003in;padding-left:0.003in;vertical-align:top;padding-bottom:0.003in;padding-right:0.003in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">2.</font></p></td>
     <td style="padding-top:0.003in;padding-left:0.003in;vertical-align:top;padding-bottom:0.003in;padding-right:0.003in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.</font><font style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </font></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Date: April 30, 2025</font><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </font></p>
   <table style="margin-left:0.046%;border-spacing:0;table-layout:auto;width:40.0%;border-collapse:separate;">
    <tr style="visibility:collapse;">
     <td style="width:100%;box-sizing:content-box;"></td>
    </tr>
    <tr style="white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.003in;padding-left:0.003in;vertical-align:middle;padding-bottom:0.003in;padding-right:0.003in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</font></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.003in;padding-left:0.003in;vertical-align:top;padding-bottom:0.003in;padding-right:0.003in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:1pt;border-bottom:0.75pt solid #000000;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">/s/ Andrew Sims</font></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.003in;padding-left:0.003in;vertical-align:top;padding-bottom:0.003in;padding-right:0.003in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Andrew Sims</font></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.003in;padding-left:0.003in;vertical-align:top;padding-bottom:0.003in;padding-right:0.003in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-style:italic;font-kerning:none;min-width:fit-content;">Chief Financial Officer</font></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</font></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:1in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;">
 </body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>4
<FILENAME>pstv-20241231.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="US-ASCII"?>
<!-- DFIN New ActiveDisclosure (SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date :2025-04-30T11:29:31.5835+00:00 -->
<!-- Copyright (c) 2025 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<xsd:schema targetNamespace="http://www.plustherapeutics.com/20241231" attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:ecd-sub="http://xbrl.sec.gov/ecd-sub/2024" xmlns:ecd="http://xbrl.sec.gov/ecd/2024" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:dei="http://xbrl.sec.gov/dei/2024" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:cyd="http://xbrl.sec.gov/cyd/2024" xmlns:pstv="http://www.plustherapeutics.com/20241231" xmlns:enum2="http://xbrl.org/2020/extensible-enumerations-2.0" xmlns:srt="http://fasb.org/srt/2024" xmlns:us-gaap="http://fasb.org/us-gaap/2024" xmlns:xlink="http://www.w3.org/1999/xlink">
  <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/instance"/>
  <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/linkbase"/>
  <xsd:import schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" namespace="http://xbrl.org/2005/xbrldt"/>
  <xsd:import schemaLocation="https://xbrl.sec.gov/ecd/2024/ecd-sub-2024.xsd" namespace="http://xbrl.sec.gov/ecd-sub/2024"/>
  <xsd:import schemaLocation="https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd" namespace="http://xbrl.org/2020/extensible-enumerations-2.0"/>
  <xsd:import schemaLocation="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd" namespace="http://fasb.org/srt/2024"/>
  <xsd:import schemaLocation="https://xbrl.sec.gov/dei/2024/dei-2024.xsd" namespace="http://xbrl.sec.gov/dei/2024"/>
  <xsd:import schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd" namespace="http://www.xbrl.org/dtr/type/2024-01-31"/>
  <xsd:import schemaLocation="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd" namespace="http://fasb.org/us-gaap/2024"/>
  <xsd:import schemaLocation="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd" namespace="http://xbrl.sec.gov/cyd/2024"/>
  <xsd:import schemaLocation="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd" namespace="http://xbrl.sec.gov/ecd/2024"/>
  <xsd:import schemaLocation="https://www.xbrl.org/2023/calculation-1.1.xsd" namespace="https://xbrl.org/2023/calculation-1.1"/>
  <xsd:annotation>
    <xsd:appinfo>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation" id="DocumentDocumentAndEntityInformation">
        <link:definition>100000 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets" id="StatementConsolidatedBalanceSheets">
        <link:definition>100010 - Statement - CONSOLIDATED BALANCE SHEETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheetsParenthetical" id="StatementConsolidatedBalanceSheetsParenthetical">
        <link:definition>100020 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations" id="StatementConsolidatedStatementsOfOperations">
        <link:definition>100030 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit" id="StatementConsolidatedStatementsOfStockholdersEquityDeficit">
        <link:definition>100040 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows" id="StatementConsolidatedStatementsOfCashFlows">
        <link:definition>100050 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlowsParenthetical" id="StatementConsolidatedStatementsOfCashFlowsParenthetical">
        <link:definition>100060 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance" id="DisclosureCybersecurityRiskManagementStrategyAndGovernance">
        <link:definition>100070 - Disclosure - Cybersecurity Risk Management, Strategy and Governance</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureOrganizationAndOperations" id="Role_DisclosureOrganizationAndOperations">
        <link:definition>995455 - Disclosure - Organization and Operations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies" id="Role_DisclosureSummaryOfSignificantAccountingPolicies">
        <link:definition>995465 - Disclosure - Summary of Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureFairValueMeasurements" id="Role_DisclosureFairValueMeasurements">
        <link:definition>995475 - Disclosure - Fair Value Measurements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureInvestments" id="DisclosureInvestments">
        <link:definition>995485 - Disclosure - Investments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureLossPerShare" id="Role_DisclosureLossPerShare">
        <link:definition>995495 - Disclosure - Loss per Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptions" id="Role_DisclosureCompositionOfCertainFinancialStatementCaptions">
        <link:definition>995505 - Disclosure - Composition of Certain Financial Statement Captions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingencies" id="Role_DisclosureCommitmentsAndContingencies">
        <link:definition>995515 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreements" id="DisclosureLicenseAgreements">
        <link:definition>995525 - Disclosure - License Agreements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureTermLoanObligations" id="Role_DisclosureTermLoanObligations">
        <link:definition>995535 - Disclosure - Term Loan Obligations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacility1" id="DisclosureLineOfCreditFacility1">
        <link:definition>995545 - Disclosure - Line of Credit Facility</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenue" id="DisclosureGrantRevenue">
        <link:definition>995555 - Disclosure - Grant Revenue</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureBioceptAssetAcquisitions1" id="DisclosureBioceptAssetAcquisitions1">
        <link:definition>995565 - Disclosure - Biocept Asset Acquisitions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxes" id="Role_DisclosureIncomeTaxes">
        <link:definition>995575 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureEmployeeBenefitPlan" id="Role_DisclosureEmployeeBenefitPlan">
        <link:definition>995585 - Disclosure - Employee Benefit Plan</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquity" id="Role_DisclosureStockholdersEquity">
        <link:definition>995595 - Disclosure - Stockholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensation1" id="DisclosureSharebasedCompensation1">
        <link:definition>995605 - Disclosure - Share-based Compensation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformation" id="DisclosureSegmentInformation">
        <link:definition>995615 - Disclosure - Segment Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSubsequentEvents1" id="DisclosureSubsequentEvents1">
        <link:definition>995625 - Disclosure - Subsequent Events</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureFinancialStatementSchedules" id="Role_DisclosureFinancialStatementSchedules">
        <link:definition>995635 - Disclosure - Financial Statement Schedules</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies" id="Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies">
        <link:definition>995645 - Disclosure - Summary of Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsTables" id="DisclosureFairValueMeasurementsTables">
        <link:definition>995655 - Disclosure - Fair Value Measurements (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureLossPerShareTables" id="Role_DisclosureLossPerShareTables">
        <link:definition>995665 - Disclosure - Loss per Share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsTables" id="Role_DisclosureCompositionOfCertainFinancialStatementCaptionsTables">
        <link:definition>995675 - Disclosure - Composition of Certain Financial Statement Captions (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesTables" id="Role_DisclosureCommitmentsAndContingenciesTables">
        <link:definition>995685 - Disclosure - Commitments and Contingencies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureTermLoanObligationsTables" id="Role_DisclosureTermLoanObligationsTables">
        <link:definition>995695 - Disclosure - Term Loan Obligations (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesTables" id="Role_DisclosureIncomeTaxesTables">
        <link:definition>995705 - Disclosure - Income Taxes (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationTables" id="DisclosureSharebasedCompensationTables">
        <link:definition>995715 - Disclosure - Share-based Compensation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationTables" id="DisclosureSegmentInformationTables">
        <link:definition>995725 - Disclosure - Segment Information (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureOrganizationAndOperationsAdditionalInformationDetails" id="Role_DisclosureOrganizationAndOperationsAdditionalInformationDetails">
        <link:definition>995735 - Disclosure - Organization and Operations - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails" id="Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails">
        <link:definition>995745 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails" id="DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails">
        <link:definition>995755 - Disclosure - Fair Value Measurements - Summary of Financial Assets Measured at Fair Value on Recurring Basis (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails" id="DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails">
        <link:definition>995765 - Disclosure - Fair Value Measurements - Summary of Key Inputs Used in Valuation of Liability Classified Warrants (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangeInFairValueOfWarrantLiabilitiesDetails" id="DisclosureFairValueMeasurementsScheduleOfChangeInFairValueOfWarrantLiabilitiesDetails">
        <link:definition>995775 - Disclosure - Fair Value Measurements - Schedule of Change in Fair Value of Warrant Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetails" id="Role_DisclosureFairValueMeasurementsAdditionalInformationDetails">
        <link:definition>995785 - Disclosure - Fair Value Measurements - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureInvestmentsAdditionalInformationDetails" id="DisclosureInvestmentsAdditionalInformationDetails">
        <link:definition>995795 - Disclosure - Investments - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareOfCommonStockDetails" id="DisclosureLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareOfCommonStockDetails">
        <link:definition>995805 - Disclosure - Loss per Share - Schedule of Computation of Basic and Diluted Net Loss Per Share of Common Stock (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails2" id="DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails2">
        <link:definition>995815 - Disclosure - Commitments and Contingencies - Summary of Future Minimum Annual Lease Payments under Operating Leases (Details) 2</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfAntidilutiveSecuritiesExcludedFromDilutedLossPerShareDetails" id="DisclosureLossPerShareScheduleOfAntidilutiveSecuritiesExcludedFromDilutedLossPerShareDetails">
        <link:definition>995825 - Disclosure - Loss per Share - Schedule of Antidilutive Securities Excluded from Diluted (Loss) per Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsOtherCurrentAssetsDetails" id="Role_DisclosureCompositionOfCertainFinancialStatementCaptionsOtherCurrentAssetsDetails">
        <link:definition>995835 - Disclosure - Composition of Certain Financial Statement Captions - Other Current Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentNetDetails" id="Role_DisclosureCompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentNetDetails">
        <link:definition>995845 - Disclosure - Composition of Certain Financial Statement Captions - Property and Equipment, Net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAdditionalInformationDetails" id="Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAdditionalInformationDetails">
        <link:definition>995855 - Disclosure - Composition of Certain Financial Statement Captions - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsIntangibleAssetsNetDetails" id="DisclosureCompositionOfCertainFinancialStatementCaptionsIntangibleAssetsNetDetails">
        <link:definition>995865 - Disclosure - Composition of Certain Financial Statement Captions - Intangible Assets, Net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsFutureAmortizationExpenseOnIntangibleAssetsDetails" id="DisclosureCompositionOfCertainFinancialStatementCaptionsFutureAmortizationExpenseOnIntangibleAssetsDetails">
        <link:definition>995875 - Disclosure - Composition of Certain Financial Statement Captions - Future Amortization Expense on Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails" id="Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails">
        <link:definition>995885 - Disclosure - Composition of Certain Financial Statement Captions - Accounts Payable and Accrued Expenses (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails" id="Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails">
        <link:definition>995895 - Disclosure - Commitments and Contingencies - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfLeaseCostsDetails" id="Role_DisclosureCommitmentsAndContingenciesSummaryOfLeaseCostsDetails">
        <link:definition>995905 - Disclosure - Commitments and Contingencies - Summary of Lease Costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails" id="DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails">
        <link:definition>995915 - Disclosure - Commitments and Contingencies - Summary of Future Minimum Annual Lease Payments under Operating Leases (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreementsAdditionalInformationDetails" id="DisclosureLicenseAgreementsAdditionalInformationDetails">
        <link:definition>995925 - Disclosure - License Agreements - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureTermLoanObligationsAdditionalInformationDetails" id="DisclosureTermLoanObligationsAdditionalInformationDetails">
        <link:definition>995935 - Disclosure - Term Loan Obligations - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacilityAdditionalInformationDetails" id="DisclosureLineOfCreditFacilityAdditionalInformationDetails">
        <link:definition>995945 - Disclosure - Line of Credit Facility - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails" id="DisclosureGrantRevenueAdditionalInformationDetails">
        <link:definition>995955 - Disclosure - Grant Revenue - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureBioceptAssetAcquisitionsAdditionalInformationDetails" id="DisclosureBioceptAssetAcquisitionsAdditionalInformationDetails">
        <link:definition>995965 - Disclosure - Biocept Asset Acquisitions - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails" id="Role_DisclosureIncomeTaxesAdditionalInformationDetails">
        <link:definition>995975 - Disclosure - Income Taxes - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails" id="Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails">
        <link:definition>995985 - Disclosure - Income Taxes - Reconciliation of Total Income Tax Provision (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails" id="Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails">
        <link:definition>995995 - Disclosure - Income Taxes - Deferred Tax Assets and Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesUnrecognizedTaxBenefitsActivityDetails" id="Role_DisclosureIncomeTaxesUnrecognizedTaxBenefitsActivityDetails">
        <link:definition>996005 - Disclosure - Income Taxes - Unrecognized Tax Benefits Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureEmployeeBenefitPlanAdditionalInformationDetails" id="Role_DisclosureEmployeeBenefitPlanAdditionalInformationDetails">
        <link:definition>996015 - Disclosure - Employee Benefit Plan - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails" id="Role_DisclosureStockholdersEquityPreferredStockDetails">
        <link:definition>996025 - Disclosure - Stockholders' Equity - Preferred Stock (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails" id="Role_DisclosureStockholdersEquityCommonStockDetails">
        <link:definition>996035 - Disclosure - Stockholders' Equity - Common stock (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails" id="DisclosureSharebasedCompensationAdditionalInformationDetails">
        <link:definition>996045 - Disclosure - Share-based Compensation - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails" id="DisclosureSharebasedCompensationStockOptionActivityDetails">
        <link:definition>996055 - Disclosure - Share-based Compensation - Stock Option Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationWeightedaverageAssumptionsDetails" id="DisclosureSharebasedCompensationWeightedaverageAssumptionsDetails">
        <link:definition>996065 - Disclosure - Share-based Compensation - Weighted-average Assumptions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationSummaryOfSharebasedCompensationRecognizedDetails" id="DisclosureSharebasedCompensationSummaryOfSharebasedCompensationRecognizedDetails">
        <link:definition>996075 - Disclosure - Share-based Compensation - Summary of Share-Based Compensation Recognized (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationAdditionalInformationDetails" id="DisclosureSegmentInformationAdditionalInformationDetails">
        <link:definition>996085 - Disclosure - Segment Information - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationScheduleOfSegmentExpensesDetails" id="DisclosureSegmentInformationScheduleOfSegmentExpensesDetails">
        <link:definition>996095 - Disclosure - Segment Information - Schedule of Segment Expenses (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails" id="Role_DisclosureSubsequentEventsAdditionalInformationDetails">
        <link:definition>996105 - Disclosure - Subsequent Events - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:linkbase id="lnk">
        <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple"/>
        <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple"/>
        <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple"/>
        <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple"/>
        <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple"/>
        <link:arcroleRef arcroleURI="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:href="http://www.xbrl.org/lrr/arcrole/esma-arcrole-2018-11-21.xsd#wider-narrower" xlink:type="simple"/>
        <link:arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation" xlink:href="pstv-20241231.xsd#DocumentDocumentAndEntityInformation" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets" xlink:href="pstv-20241231.xsd#StatementConsolidatedBalanceSheets" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheetsParenthetical" xlink:href="pstv-20241231.xsd#StatementConsolidatedBalanceSheetsParenthetical" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations" xlink:href="pstv-20241231.xsd#StatementConsolidatedStatementsOfOperations" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit" xlink:href="pstv-20241231.xsd#StatementConsolidatedStatementsOfStockholdersEquityDeficit" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows" xlink:href="pstv-20241231.xsd#StatementConsolidatedStatementsOfCashFlows" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlowsParenthetical" xlink:href="pstv-20241231.xsd#StatementConsolidatedStatementsOfCashFlowsParenthetical" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance" xlink:href="pstv-20241231.xsd#DisclosureCybersecurityRiskManagementStrategyAndGovernance" xlink:type="simple"/>
        <link:roleRef roleURI="http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#InsiderTradingArrangements" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureOrganizationAndOperations" xlink:href="pstv-20241231.xsd#Role_DisclosureOrganizationAndOperations" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies" xlink:href="pstv-20241231.xsd#Role_DisclosureSummaryOfSignificantAccountingPolicies" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureFairValueMeasurements" xlink:href="pstv-20241231.xsd#Role_DisclosureFairValueMeasurements" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureInvestments" xlink:href="pstv-20241231.xsd#DisclosureInvestments" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureLossPerShare" xlink:href="pstv-20241231.xsd#Role_DisclosureLossPerShare" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptions" xlink:href="pstv-20241231.xsd#Role_DisclosureCompositionOfCertainFinancialStatementCaptions" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingencies" xlink:href="pstv-20241231.xsd#Role_DisclosureCommitmentsAndContingencies" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreements" xlink:href="pstv-20241231.xsd#DisclosureLicenseAgreements" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureTermLoanObligations" xlink:href="pstv-20241231.xsd#Role_DisclosureTermLoanObligations" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacility1" xlink:href="pstv-20241231.xsd#DisclosureLineOfCreditFacility1" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenue" xlink:href="pstv-20241231.xsd#DisclosureGrantRevenue" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureBioceptAssetAcquisitions1" xlink:href="pstv-20241231.xsd#DisclosureBioceptAssetAcquisitions1" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxes" xlink:href="pstv-20241231.xsd#Role_DisclosureIncomeTaxes" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureEmployeeBenefitPlan" xlink:href="pstv-20241231.xsd#Role_DisclosureEmployeeBenefitPlan" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquity" xlink:href="pstv-20241231.xsd#Role_DisclosureStockholdersEquity" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensation1" xlink:href="pstv-20241231.xsd#DisclosureSharebasedCompensation1" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformation" xlink:href="pstv-20241231.xsd#DisclosureSegmentInformation" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSubsequentEvents1" xlink:href="pstv-20241231.xsd#DisclosureSubsequentEvents1" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureFinancialStatementSchedules" xlink:href="pstv-20241231.xsd#Role_DisclosureFinancialStatementSchedules" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies" xlink:href="pstv-20241231.xsd#Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsTables" xlink:href="pstv-20241231.xsd#DisclosureFairValueMeasurementsTables" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureLossPerShareTables" xlink:href="pstv-20241231.xsd#Role_DisclosureLossPerShareTables" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsTables" xlink:href="pstv-20241231.xsd#Role_DisclosureCompositionOfCertainFinancialStatementCaptionsTables" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesTables" xlink:href="pstv-20241231.xsd#Role_DisclosureCommitmentsAndContingenciesTables" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureTermLoanObligationsTables" xlink:href="pstv-20241231.xsd#Role_DisclosureTermLoanObligationsTables" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesTables" xlink:href="pstv-20241231.xsd#Role_DisclosureIncomeTaxesTables" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationTables" xlink:href="pstv-20241231.xsd#DisclosureSharebasedCompensationTables" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationTables" xlink:href="pstv-20241231.xsd#DisclosureSegmentInformationTables" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureOrganizationAndOperationsAdditionalInformationDetails" xlink:href="pstv-20241231.xsd#Role_DisclosureOrganizationAndOperationsAdditionalInformationDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails" xlink:href="pstv-20241231.xsd#Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails" xlink:href="pstv-20241231.xsd#DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails" xlink:href="pstv-20241231.xsd#DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangeInFairValueOfWarrantLiabilitiesDetails" xlink:href="pstv-20241231.xsd#DisclosureFairValueMeasurementsScheduleOfChangeInFairValueOfWarrantLiabilitiesDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetails" xlink:href="pstv-20241231.xsd#Role_DisclosureFairValueMeasurementsAdditionalInformationDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureInvestmentsAdditionalInformationDetails" xlink:href="pstv-20241231.xsd#DisclosureInvestmentsAdditionalInformationDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareOfCommonStockDetails" xlink:href="pstv-20241231.xsd#DisclosureLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareOfCommonStockDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfAntidilutiveSecuritiesExcludedFromDilutedLossPerShareDetails" xlink:href="pstv-20241231.xsd#DisclosureLossPerShareScheduleOfAntidilutiveSecuritiesExcludedFromDilutedLossPerShareDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsOtherCurrentAssetsDetails" xlink:href="pstv-20241231.xsd#Role_DisclosureCompositionOfCertainFinancialStatementCaptionsOtherCurrentAssetsDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentNetDetails" xlink:href="pstv-20241231.xsd#Role_DisclosureCompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentNetDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAdditionalInformationDetails" xlink:href="pstv-20241231.xsd#Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAdditionalInformationDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsIntangibleAssetsNetDetails" xlink:href="pstv-20241231.xsd#DisclosureCompositionOfCertainFinancialStatementCaptionsIntangibleAssetsNetDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsFutureAmortizationExpenseOnIntangibleAssetsDetails" xlink:href="pstv-20241231.xsd#DisclosureCompositionOfCertainFinancialStatementCaptionsFutureAmortizationExpenseOnIntangibleAssetsDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails" xlink:href="pstv-20241231.xsd#Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails" xlink:href="pstv-20241231.xsd#Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfLeaseCostsDetails" xlink:href="pstv-20241231.xsd#Role_DisclosureCommitmentsAndContingenciesSummaryOfLeaseCostsDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails" xlink:href="pstv-20241231.xsd#DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreementsAdditionalInformationDetails" xlink:href="pstv-20241231.xsd#DisclosureLicenseAgreementsAdditionalInformationDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureTermLoanObligationsAdditionalInformationDetails" xlink:href="pstv-20241231.xsd#DisclosureTermLoanObligationsAdditionalInformationDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacilityAdditionalInformationDetails" xlink:href="pstv-20241231.xsd#DisclosureLineOfCreditFacilityAdditionalInformationDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails" xlink:href="pstv-20241231.xsd#DisclosureGrantRevenueAdditionalInformationDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureBioceptAssetAcquisitionsAdditionalInformationDetails" xlink:href="pstv-20241231.xsd#DisclosureBioceptAssetAcquisitionsAdditionalInformationDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails" xlink:href="pstv-20241231.xsd#Role_DisclosureIncomeTaxesAdditionalInformationDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails" xlink:href="pstv-20241231.xsd#Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails" xlink:href="pstv-20241231.xsd#Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesUnrecognizedTaxBenefitsActivityDetails" xlink:href="pstv-20241231.xsd#Role_DisclosureIncomeTaxesUnrecognizedTaxBenefitsActivityDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureEmployeeBenefitPlanAdditionalInformationDetails" xlink:href="pstv-20241231.xsd#Role_DisclosureEmployeeBenefitPlanAdditionalInformationDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails" xlink:href="pstv-20241231.xsd#Role_DisclosureStockholdersEquityPreferredStockDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails" xlink:href="pstv-20241231.xsd#Role_DisclosureStockholdersEquityCommonStockDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails" xlink:href="pstv-20241231.xsd#DisclosureSharebasedCompensationAdditionalInformationDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails" xlink:href="pstv-20241231.xsd#DisclosureSharebasedCompensationStockOptionActivityDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationWeightedaverageAssumptionsDetails" xlink:href="pstv-20241231.xsd#DisclosureSharebasedCompensationWeightedaverageAssumptionsDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationSummaryOfSharebasedCompensationRecognizedDetails" xlink:href="pstv-20241231.xsd#DisclosureSharebasedCompensationSummaryOfSharebasedCompensationRecognizedDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationAdditionalInformationDetails" xlink:href="pstv-20241231.xsd#DisclosureSegmentInformationAdditionalInformationDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationScheduleOfSegmentExpensesDetails" xlink:href="pstv-20241231.xsd#DisclosureSegmentInformationScheduleOfSegmentExpensesDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails" xlink:href="pstv-20241231.xsd#Role_DisclosureSubsequentEventsAdditionalInformationDetails" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails2" xlink:href="pstv-20241231.xsd#DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails2" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" xlink:type="simple"/>
        <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:title="labelLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_May2024PrivatePlacementMember" xlink:label="pstv_May2024PrivatePlacementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:label="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_IncomeTaxContingencyAbstract" xlink:label="pstv_IncomeTaxContingencyAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameDomain" xlink:label="us-gaap_PlanNameDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForRepurchaseOfEquity" xlink:label="us-gaap_PaymentsForRepurchaseOfEquity"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FacilityAndOtherOverheadExpensesMember" xlink:label="pstv_FacilityAndOtherOverheadExpensesMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressPostalZipCode" xlink:label="dei_EntityAddressPostalZipCode"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NewCapitalSubscriptionsMember" xlink:label="pstv_NewCapitalSubscriptionsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock" xlink:label="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="dei_EntityIncorporationStateCountryCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts" xlink:label="us-gaap_BusinessCombinationAcquisitionRelatedCosts"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AccountingStandardsUpdate202403Member" xlink:label="pstv_AccountingStandardsUpdate202403Member"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestPaidNet" xlink:label="us-gaap_InterestPaidNet"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NumberOfOperatingSegments" xlink:label="us-gaap_NumberOfOperatingSegments"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityNameDomain" xlink:label="us-gaap_IncomeTaxAuthorityNameDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharesOutstanding" xlink:label="us-gaap_SharesOutstanding"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorName" xlink:label="dei_AuditorName"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CashDeposits" xlink:label="pstv_CashDeposits"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtCurrent" xlink:label="us-gaap_LongTermDebtCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Investments" xlink:label="us-gaap_Investments"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TwoThousandTwentyTwoDistributionAgreementMember" xlink:label="pstv_TwoThousandTwentyTwoDistributionAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ScheduleOfRightOfUseAssetsAndLeaseLiabilitiesTableTextBlock" xlink:label="pstv_ScheduleOfRightOfUseAssetsAndLeaseLiabilitiesTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="us-gaap_ScheduleOfStockByClassTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis" xlink:label="srt_ProductOrServiceAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="us-gaap_DepreciationDepletionAndAmortization"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_LoremVascularPteLtdMember" xlink:label="pstv_LoremVascularPteLtdMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRepurchasedDuringPeriodShares" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseNonoperating" xlink:label="us-gaap_InterestExpenseNonoperating"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="us-gaap_ClassOfWarrantOrRightAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CashPaidDuringPeriodForAbstract" xlink:label="pstv_CashPaidDuringPeriodForAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CongressionallyDirectedMedicalResearchProgramsMember" xlink:label="pstv_CongressionallyDirectedMedicalResearchProgramsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ChangeInFairValueOfWarrants" xlink:label="pstv_ChangeInFairValueOfWarrants"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TwoThousandEighteenRightsOfferingMember" xlink:label="pstv_TwoThousandEighteenRightsOfferingMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TwoThousandAndTwentyTwoPurchaseAgreementMember" xlink:label="pstv_TwoThousandAndTwentyTwoPurchaseAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WarrantExercisePriceDecrease" xlink:label="us-gaap_WarrantExercisePriceDecrease"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PreferredStockDividendRatePercentageEliminatedDate" xlink:label="pstv_PreferredStockDividendRatePercentageEliminatedDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WarrantMember" xlink:label="us-gaap_WarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorOpinionTextBlock" xlink:label="dei_AuditorOpinionTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_InitialSubscriptionMember" xlink:label="pstv_InitialSubscriptionMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_RightsRelatedToDistributionOfAssets" xlink:label="pstv_RightsRelatedToDistributionOfAssets"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SPEAWarrantsMember" xlink:label="pstv_SPEAWarrantsMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageOfGrantProceedsWithInterestNotExceedAnnually" xlink:label="pstv_PercentageOfGrantProceedsWithInterestNotExceedAnnually"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_StockIssuedDuringPeriodValueReclassificationOfWarrantsToEquity" xlink:label="pstv_StockIssuedDuringPeriodValueReclassificationOfWarrantsToEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShortTermDebtTextBlock" xlink:label="us-gaap_ShortTermDebtTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockMember" xlink:label="us-gaap_PreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementAbstract" xlink:label="us-gaap_IncomeStatementAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressStateOrProvince" xlink:label="dei_EntityAddressStateOrProvince"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireShortTermInvestments" xlink:label="us-gaap_PaymentsToAcquireShortTermInvestments"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MarketableSecurities" xlink:label="us-gaap_MarketableSecurities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CommonStockSalesAvailableForIssuance" xlink:label="pstv_CommonStockSalesAvailableForIssuance"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_DeferredTaxAssetsValuationAllowances" xlink:label="pstv_DeferredTaxAssetsValuationAllowances"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_WarrantsPolicyPolicyTextBlock" xlink:label="pstv_WarrantsPolicyPolicyTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseCostAbstract" xlink:label="us-gaap_LeaseCostAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByLiabilityClassAxis" xlink:label="us-gaap_FairValueByLiabilityClassAxis"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ExerciseOfPreFundedWarrantsShares" xlink:label="pstv_ExerciseOfPreFundedWarrantsShares"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SeriesFPreferredStockMember" xlink:label="us-gaap_SeriesFPreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockCommonShares" xlink:label="us-gaap_TreasuryStockCommonShares"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CoverAbstract" xlink:label="dei_CoverAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_LicenseAgreementAbstract" xlink:label="pstv_LicenseAgreementAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventLineItems" xlink:label="us-gaap_SubsequentEventLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TermLoanMember" xlink:label="pstv_TermLoanMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseOptionToExtend" xlink:label="us-gaap_LesseeOperatingLeaseOptionToExtend"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="us-gaap_OperatingExpensesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesAConvertiblePreferredStockMember" xlink:label="pstv_SeriesAConvertiblePreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassificationToEquity" xlink:label="pstv_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassificationToEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentAnnualReport" xlink:label="dei_DocumentAnnualReport"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionAxis" xlink:label="us-gaap_AssetAcquisitionAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameAxis" xlink:label="us-gaap_PlanNameAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingAbstract" xlink:label="us-gaap_SegmentReportingAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="us-gaap_AssetsCurrentAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:label="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTypeAxis" xlink:label="us-gaap_InvestmentTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilities" xlink:label="us-gaap_DeferredTaxLiabilities"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeptemberTwoThousandAndTwentyTwoDistributionAgreementMember" xlink:label="pstv_SeptemberTwoThousandAndTwentyTwoDistributionAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssued1" xlink:label="us-gaap_StockIssued1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain" xlink:label="srt_ProductsAndServicesDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseTermOfContract" xlink:label="us-gaap_LesseeOperatingLeaseTermOfContract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MaximumValueOfSharesToBeIssuedUnderAgreement" xlink:label="pstv_MaximumValueOfSharesToBeIssuedUnderAgreement"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="us-gaap_OperatingLossCarryforwards"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="us-gaap_FairValueMeasurementsRecurringMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherIncomeAndExpensesAbstract" xlink:label="us-gaap_OtherIncomeAndExpensesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputTypeDomain" xlink:label="us-gaap_MeasurementInputTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="us-gaap_StatementOfCashFlowsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FebruaryTwoThousandTwentyFiveSecuritiesPurchaseAndExchangeAgreementsMember" xlink:label="pstv_FebruaryTwoThousandTwentyFiveSecuritiesPurchaseAndExchangeAgreementsMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AccruedResearchAndDevelopmentStudies" xlink:label="pstv_AccruedResearchAndDevelopmentStudies"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_StockBasedCompensation2015EquityIncentivePlan1Member" xlink:label="pstv_StockBasedCompensation2015EquityIncentivePlan1Member"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_Available-For-SalesAndShort-TermInvestmentsDateOfPurchaseTerm" xlink:label="pstv_Available-For-SalesAndShort-TermInvestmentsDateOfPurchaseTerm"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets" xlink:label="us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_RedemptionOfShortTermInvestments" xlink:label="pstv_RedemptionOfShortTermInvestments"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CanaccordGenuityLLCMember" xlink:label="pstv_CanaccordGenuityLLCMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="us-gaap_DeferredTaxAssetsOther"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PershingCreditFacilityMember" xlink:label="pstv_PershingCreditFacilityMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine1" xlink:label="dei_EntityAddressAddressLine1"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CharlottesvilleMember" xlink:label="pstv_CharlottesvilleMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ClassOfWarrantOrRightExpirationPeriod" xlink:label="pstv_ClassOfWarrantOrRightExpirationPeriod"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AccruedVacationAndCompensationCurrent" xlink:label="pstv_AccruedVacationAndCompensationCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock" xlink:label="cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_EffectiveIncomeTaxRateReconciliationTaxReturnToProvision" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationTaxReturnToProvision"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="us-gaap_NonoperatingIncomeExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_OperatingLossCarryforwardsExpirationDates1" xlink:label="pstv_OperatingLossCarryforwardsExpirationDates1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityVoluntaryFilers" xlink:label="dei_EntityVoluntaryFilers"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_LicenseAgreementDisclosureTextBlock" xlink:label="pstv_LicenseAgreementDisclosureTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOperatingLeaseLiability" xlink:label="us-gaap_IncreaseDecreaseInOperatingLeaseLiability"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PrefundedWarrantMember" xlink:label="pstv_PrefundedWarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CommonStockIssuedForResearchAndDevelopment" xlink:label="pstv_CommonStockIssuedForResearchAndDevelopment"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_OptionsMember" xlink:label="pstv_OptionsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DomesticCountryMember" xlink:label="us-gaap_DomesticCountryMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockVotingRights" xlink:label="us-gaap_PreferredStockVotingRights"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AggregatePurchasePrice" xlink:label="pstv_AggregatePurchasePrice"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableRateDomain" xlink:label="us-gaap_VariableRateDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="us-gaap_ResearchAndDevelopmentExpenseMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_Other" xlink:label="pstv_Other"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfDebtTableTextBlock" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="us-gaap_GainLossOnDispositionOfAssets"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ProfessionalExpensesMember" xlink:label="pstv_ProfessionalExpensesMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember" xlink:label="srt_RangeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFinStmtErrorCorrectionFlag" xlink:label="dei_DocumentFinStmtErrorCorrectionFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="us-gaap_GeneralAndAdministrativeExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingExpenseInformationUsedByCodmTypeExtensibleEnumeration" xlink:label="us-gaap_SegmentReportingExpenseInformationUsedByCodmTypeExtensibleEnumeration"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeNoncurrent" xlink:label="us-gaap_DeferredIncomeNoncurrent"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FinancingExpense" xlink:label="pstv_FinancingExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SupplementalBalanceSheetDisclosuresTextBlock" xlink:label="us-gaap_SupplementalBalanceSheetDisclosuresTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockCommonMember" xlink:label="us-gaap_TreasuryStockCommonMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementProcessesIntegratedFlag" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="us-gaap_ProceedsFromLinesOfCredit"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfOtherCurrentAssetsTableTextBlock" xlink:label="us-gaap_ScheduleOfOtherCurrentAssetsTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="us-gaap_PreferredStockSharesIssued"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeasePayments" xlink:label="us-gaap_OperatingLeasePayments"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember" xlink:label="us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_LincolnParkCapitalFundLLCMember" xlink:label="pstv_LincolnParkCapitalFundLLCMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseDiscountRate" xlink:label="us-gaap_LesseeOperatingLeaseDiscountRate"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ConsiderationPaidToPreferredStockHolders" xlink:label="pstv_ConsiderationPaidToPreferredStockHolders"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilitiesOther" xlink:label="us-gaap_DeferredTaxLiabilitiesOther"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShortTermInvestments" xlink:label="us-gaap_ShortTermInvestments"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseExpense" xlink:label="us-gaap_OperatingLeaseExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_IncreaseDecreaseInGrantReceivable" xlink:label="pstv_IncreaseDecreaseInGrantReceivable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="us-gaap_TypeOfArrangementAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PeriodExercisableFromTheDateOfIssuance" xlink:label="pstv_PeriodExercisableFromTheDateOfIssuance"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment" xlink:label="us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ContractEffectiveDate" xlink:label="pstv_ContractEffectiveDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock" xlink:label="cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOrSaleOfEquity" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MayTwoThousandTwentyFourPurchaseAgreementMember" xlink:label="pstv_MayTwoThousandTwentyFourPurchaseAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionAbstract" xlink:label="us-gaap_AssetAcquisitionAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntellectualPropertyMember" xlink:label="us-gaap_IntellectualPropertyMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityInteractiveDataCurrent" xlink:label="dei_EntityInteractiveDataCurrent"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_WarrantLiabilityMember" xlink:label="pstv_WarrantLiabilityMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentRedemptionPricePercentage" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentage"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="us-gaap_TypeOfAdoptionMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MaximumBeneficialOwnershipPercentage" xlink:label="pstv_MaximumBeneficialOwnershipPercentage"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseCost" xlink:label="us-gaap_OperatingLeaseCost"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_IncomeTaxesTable" xlink:label="pstv_IncomeTaxesTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="us-gaap_AssetsFairValueDisclosure"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseCost" xlink:label="us-gaap_LeaseCost"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_InitialCommitmentShares" xlink:label="pstv_InitialCommitmentShares"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpensePolicy" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="us-gaap_IncomeStatementLocationAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAxis" xlink:label="us-gaap_CashAndCashEquivalentsAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" xlink:label="pstv_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CommitmentFeeMember" xlink:label="pstv_CommitmentFeeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="us-gaap_DeferredIncomeTaxLiabilities"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_OfferingCosts" xlink:label="pstv_OfferingCosts"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RecordedUnconditionalPurchaseObligationCategoryDomain" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationCategoryDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressCityOrTown" xlink:label="dei_EntityAddressCityOrTown"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MarchTwoThousandTwentyFivePrivatePlacementMember" xlink:label="pstv_MarchTwoThousandTwentyFivePrivatePlacementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorLocation" xlink:label="dei_AuditorLocation"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsOfStockIssuanceCosts" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:label="us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ContractTerminationDate" xlink:label="pstv_ContractTerminationDate"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ScheduleOfOperatingAndFinancingLeaseLiabilityMaturityTableTextBlock" xlink:label="pstv_ScheduleOfOperatingAndFinancingLeaseLiabilityMaturityTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock" xlink:label="us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_EffectiveIncomeTaxRateReconciliationFinancingExpense" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationFinancingExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Depreciation" xlink:label="us-gaap_Depreciation"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharePrice" xlink:label="us-gaap_SharePrice"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockTransactionDate" xlink:label="us-gaap_SaleOfStockTransactionDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComputerSoftwareIntangibleAssetMember" xlink:label="us-gaap_ComputerSoftwareIntangibleAssetMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag" xlink:label="cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrivatePlacementMember" xlink:label="us-gaap_PrivatePlacementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities" xlink:label="pstv_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageOfNetOperatingLossCarryforwardsAvailableForOffsettingAgainstFutureTaxableIncome" xlink:label="pstv_PercentageOfNetOperatingLossCarryforwardsAvailableForOffsettingAgainstFutureTaxableIncome"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration" xlink:label="us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrantMember" xlink:label="us-gaap_GrantMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="us-gaap_FairValueDisclosuresAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_GrantFundingTerm" xlink:label="pstv_GrantFundingTerm"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityPublicFloat" xlink:label="dei_EntityPublicFloat"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="us-gaap_DeferredTaxAssetsNet"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRedeemedOrCalledDuringPeriodShares" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodShares"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentType" xlink:label="dei_DocumentType"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetImpairmentCharges" xlink:label="us-gaap_AssetImpairmentCharges"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseCostTableTextBlock" xlink:label="us-gaap_LeaseCostTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockDividendRatePercentage" xlink:label="us-gaap_PreferredStockDividendRatePercentage"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="us-gaap_PropertyPlantAndEquipmentGross"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MaximumBeneficialOwnershipPercentageByElectionOfHolder" xlink:label="pstv_MaximumBeneficialOwnershipPercentageByElectionOfHolder"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputExpectedTermMember" xlink:label="us-gaap_MeasurementInputExpectedTermMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_InitialCommitmentFee" xlink:label="pstv_InitialCommitmentFee"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AggregateExpenseIncludingFeeAndDisbursementExpenses" xlink:label="pstv_AggregateExpenseIncludingFeeAndDisbursementExpenses"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesFConvertiblePreferredStockMember" xlink:label="pstv_SeriesFConvertiblePreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_WarrantsRemainOutstandingPercentage" xlink:label="pstv_WarrantsRemainOutstandingPercentage"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="us-gaap_InvestmentTypeCategorizationMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedContributionPlanDisclosureLineItems" xlink:label="us-gaap_DefinedContributionPlanDisclosureLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeCurrent" xlink:label="us-gaap_DeferredIncomeCurrent"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:label="pstv_SummaryOfSignificantAccountingPoliciesLineItems"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ClinicalDevelopmentAndLicensingExpensesMember" xlink:label="pstv_ClinicalDevelopmentAndLicensingExpensesMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="us-gaap_LineOfCreditFacilityLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain" xlink:label="us-gaap_CreditFacilityDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" xlink:label="pstv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountingStandardsUpdate202307Member" xlink:label="us-gaap_AccountingStandardsUpdate202307Member"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleTable" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleTable"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SummaryOfSignificantAccountingPoliciesTable" xlink:label="pstv_SummaryOfSignificantAccountingPoliciesTable"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CumulativeChangeInOwnership" xlink:label="pstv_CumulativeChangeInOwnership"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine2" xlink:label="dei_EntityAddressAddressLine2"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_LitigationCaseTypeDomain" xlink:label="srt_LitigationCaseTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NanoTxLicensesAgreementMember" xlink:label="pstv_NanoTxLicensesAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_IcfrAuditorAttestationFlag" xlink:label="dei_IcfrAuditorAttestationFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="us-gaap_StockholdersEquityNoteAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageIssuanceOfCommonStock" xlink:label="pstv_PercentageIssuanceOfCommonStock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_OperatingLeasesExpiryYear" xlink:label="pstv_OperatingLeasesExpiryYear"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockConsiderationReceivedOnTransaction" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredRevenue" xlink:label="us-gaap_DeferredRevenue"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NetOperatingLossAndResearchAndDevelopmentTaxCreditCarryForwardsToOffsetFutureTaxableIncomePeriod" xlink:label="pstv_NetOperatingLossAndResearchAndDevelopmentTaxCreditCarryForwardsToOffsetFutureTaxableIncomePeriod"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ResearchAndDevelopmentAwardInPeriod" xlink:label="pstv_ResearchAndDevelopmentAwardInPeriod"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageOfNonDilutiveMonetaryAwardsRequiredToPay" xlink:label="pstv_PercentageOfNonDilutiveMonetaryAwardsRequiredToPay"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityNameAxis" xlink:label="us-gaap_IncomeTaxAuthorityNameAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesCConvertiblePreferredStockMember" xlink:label="pstv_SeriesCConvertiblePreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FirstPaymentReceived" xlink:label="pstv_FirstPaymentReceived"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableRateAxis" xlink:label="us-gaap_VariableRateAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ValuationAndQualifyingAccountsAbstract" xlink:label="srt_ValuationAndQualifyingAccountsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PreClinicalResearchStudyObligationsMember" xlink:label="pstv_PreClinicalResearchStudyObligationsMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PeriodForMaterialChangesOfLiabilityForUncertainTaxBenefits" xlink:label="pstv_PeriodForMaterialChangesOfLiabilityForUncertainTaxBenefits"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="us-gaap_DeferredTaxAssetsGross"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InProcessResearchAndDevelopmentPolicy" xlink:label="us-gaap_InProcessResearchAndDevelopmentPolicy"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementStrategyAndGovernanceTable" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Goodwill" xlink:label="us-gaap_Goodwill"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilityForUncertainTaxPositionsCurrent" xlink:label="us-gaap_LiabilityForUncertainTaxPositionsCurrent"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AdditionalSubscriptionMember" xlink:label="pstv_AdditionalSubscriptionMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock" xlink:label="cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount" xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesBConvertiblePreferredStockMember" xlink:label="pstv_SeriesBConvertiblePreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputTypeAxis" xlink:label="us-gaap_MeasurementInputTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UseOfEstimates" xlink:label="us-gaap_UseOfEstimates"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_JanuaryTwoThousandAndTwentyTwoDistributionAgreementMember" xlink:label="pstv_JanuaryTwoThousandAndTwentyTwoDistributionAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageOfAggregateAmountOfProceedsAwardedUnderCpritGrant" xlink:label="pstv_PercentageOfAggregateAmountOfProceedsAwardedUnderCpritGrant"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NumberOfVotesPerShare" xlink:label="pstv_NumberOfVotesPerShare"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementInputsDisclosureTextBlock" xlink:label="us-gaap_FairValueMeasurementInputsDisclosureTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockLineItems" xlink:label="us-gaap_ClassOfStockLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputPriceVolatilityMember" xlink:label="us-gaap_MeasurementInputPriceVolatilityMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList" xlink:label="us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_SecurityExchangeName" xlink:label="dei_SecurityExchangeName"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwards" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MaintainMinimumMarketValueOfListedSecurities" xlink:label="pstv_MaintainMinimumMarketValueOfListedSecurities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputRiskFreeInterestRateMember" xlink:label="us-gaap_MeasurementInputRiskFreeInterestRateMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:label="us-gaap_StockIssuedDuringPeriodValueIssuedForServices"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TaxCreditCarryforwardExpirationDate1" xlink:label="pstv_TaxCreditCarryforwardExpirationDate1"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CpritGrantFundingTerm" xlink:label="pstv_CpritGrantFundingTerm"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain" xlink:label="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrimeRateMember" xlink:label="us-gaap_PrimeRateMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:label="us-gaap_CompensationAndRetirementDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentImpairment" xlink:label="us-gaap_PropertyPlantAndEquipmentImpairment"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionLineItems" xlink:label="us-gaap_AssetAcquisitionLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:label="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MeasurementInputCommonStockMarketPriceMember" xlink:label="pstv_MeasurementInputCommonStockMarketPriceMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="us-gaap_UnrecognizedTaxBenefits"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NetOperatingLossCarryforward" xlink:label="pstv_NetOperatingLossCarryforward"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend" xlink:label="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis" xlink:label="us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment" xlink:label="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_EffectiveIncomeTaxRateReconciliationMarkToMarket" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationMarkToMarket"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TwentyTwentyPurchaseAgreementMember" xlink:label="pstv_TwentyTwentyPurchaseAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionDomain" xlink:label="us-gaap_AssetAcquisitionDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_IncreaseDecreaseInDeferredGrantLiability" xlink:label="pstv_IncreaseDecreaseInDeferredGrantLiability"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FairValueOfWarrantLiabilityReclassifiedToEquity" xlink:label="pstv_FairValueOfWarrantLiabilityReclassifiedToEquity"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AmountToBeReceivedAsAwardForResearchAndDevelopment" xlink:label="pstv_AmountToBeReceivedAsAwardForResearchAndDevelopment"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:label="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_DistributionAgreementMember" xlink:label="pstv_DistributionAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_WarrantIssuanceCosts" xlink:label="pstv_WarrantIssuanceCosts"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TwentyTwentyRepurchaseAgreementMember" xlink:label="pstv_TwentyTwentyRepurchaseAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PrivatePlacementAndPrefundedWarrantMember" xlink:label="pstv_PrivatePlacementAndPrefundedWarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFeeAmount" xlink:label="us-gaap_DebtInstrumentFeeAmount"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CompensationAndEmployeeBenefitPlansTextBlock" xlink:label="us-gaap_CompensationAndEmployeeBenefitPlansTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="us-gaap_EarningsPerShareTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="us-gaap_DebtInstrumentMaturityDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RecordedUnconditionalPurchaseObligationTable" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="us-gaap_MoneyMarketFundsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireIntangibleAssets" xlink:label="us-gaap_PaymentsToAcquireIntangibleAssets"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="us-gaap_OtherLiabilitiesCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NumberOfMaximumCommonSharesCanBeResale" xlink:label="pstv_NumberOfMaximumCommonSharesCanBeResale"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xlink:label="srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DistributionTypeDomain" xlink:label="us-gaap_DistributionTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:label="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_LitigationCaseAxis" xlink:label="srt_LitigationCaseAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestPayableCurrent" xlink:label="us-gaap_InterestPayableCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="us-gaap_FairValueInputsLevel1Member"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="us-gaap_DebtDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividend" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividend"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentsIncorporatedByReferenceTextBlock" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="us-gaap_AmortizationOfIntangibleAssets"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="us-gaap_FinancialInstrumentAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_EffectiveIncomeTaxRateReconciliationNetOperatingLossExpiration" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationNetOperatingLossExpiration"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CashPaymentInformationAbstract" xlink:label="pstv_CashPaymentInformationAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtPolicyTextBlock" xlink:label="us-gaap_DebtPolicyTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpenseMember" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AtTheMarketOfferingProgramMember" xlink:label="pstv_AtTheMarketOfferingProgramMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfWarrants" xlink:label="us-gaap_ProceedsFromIssuanceOfWarrants"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskRoleOfManagementTextBlock" xlink:label="cyd_CybersecurityRiskRoleOfManagementTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockCommonValue" xlink:label="us-gaap_TreasuryStockCommonValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="us-gaap_AccountingPoliciesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:label="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PurchasePriceOfShare" xlink:label="pstv_PurchasePriceOfShare"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCredit" xlink:label="us-gaap_LineOfCredit"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="us-gaap_IncomeTaxDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="us-gaap_StockholdersEquityAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingPolicyPolicyTextBlock" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTable" xlink:label="us-gaap_SubsequentEventTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="us-gaap_PreferredStockSharesAuthorized"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAdjustmentOfWarrants" xlink:label="us-gaap_FairValueAdjustmentOfWarrants"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFileNumber" xlink:label="dei_EntityFileNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerAbstract" xlink:label="us-gaap_RevenueFromContractWithCustomerAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SecuritiesPurchaseAndExchangeAgreementMember" xlink:label="pstv_SecuritiesPurchaseAndExchangeAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="us-gaap_EarningsPerShareAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WarrantsAndRightsOutstandingTerm" xlink:label="us-gaap_WarrantsAndRightsOutstandingTerm"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_BioceptAgreementMember" xlink:label="pstv_BioceptAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock" xlink:label="srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense" xlink:label="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="us-gaap_StatementOfFinancialPositionAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AccruedLicensePayable" xlink:label="pstv_AccruedLicensePayable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedBonusesCurrent" xlink:label="us-gaap_AccruedBonusesCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityShellCompany" xlink:label="dei_EntityShellCompany"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="us-gaap_LineOfCreditFacilityTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedProfessionalFeesCurrent" xlink:label="us-gaap_AccruedProfessionalFeesCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityTaxIdentificationNumber" xlink:label="dei_EntityTaxIdentificationNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="us-gaap_ClassOfWarrantOrRightDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionTextBlock" xlink:label="us-gaap_AssetAcquisitionTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="us-gaap_SubsequentEventsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerPolicyTextBlock" xlink:label="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_BioceptAssetAcquisitionsMember" xlink:label="pstv_BioceptAssetAcquisitionsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_GrossProceedsFromIssuanceOfCommonStock" xlink:label="pstv_GrossProceedsFromIssuanceOfCommonStock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockValue" xlink:label="us-gaap_PreferredStockValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="us-gaap_RepaymentsOfLongTermDebt"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock" xlink:label="us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_DepartmentOfDefenseAwardMember" xlink:label="pstv_DepartmentOfDefenseAwardMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts" xlink:label="pstv_ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CityAreaCode" xlink:label="dei_CityAreaCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WarrantsAndRightsOutstandingMeasurementInput" xlink:label="us-gaap_WarrantsAndRightsOutstandingMeasurementInput"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_Rule10B51ArrModifiedFlag" xlink:label="pstv_Rule10B51ArrModifiedFlag"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MaximumGrantAmountToBeReceivedAsPerGrantContract" xlink:label="pstv_MaximumGrantAmountToBeReceivedAsPerGrantContract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LocalPhoneNumber" xlink:label="dei_LocalPhoneNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="us-gaap_PreferredStockSharesOutstanding"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseholdImprovementsGross" xlink:label="us-gaap_LeaseholdImprovementsGross"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="us-gaap_AdditionalPaidInCapital"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="us-gaap_IncomeTaxAuthorityAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrantsReceivable" xlink:label="us-gaap_GrantsReceivable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="us-gaap_IncomeTaxPolicyTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FractionalAdjustmentOfCommonStock" xlink:label="pstv_FractionalAdjustmentOfCommonStock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharesIssued" xlink:label="us-gaap_SharesIssued"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockValue" xlink:label="us-gaap_TreasuryStockValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConvertiblePreferredStockMember" xlink:label="us-gaap_ConvertiblePreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageOfCommissionOnGrossProceedsFromSaleOfCommonStock" xlink:label="pstv_PercentageOfCommissionOnGrossProceedsFromSaleOfCommonStock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InProcessResearchAndDevelopmentMember" xlink:label="us-gaap_InProcessResearchAndDevelopmentMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="us-gaap_IncomeTaxAuthorityDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesBWarrantMember" xlink:label="pstv_SeriesBWarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PersonnelRelatedExpensesMember" xlink:label="pstv_PersonnelRelatedExpensesMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsMember" xlink:label="us-gaap_RetainedEarningsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedContributionPlanTable" xlink:label="us-gaap_DefinedContributionPlanTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:label="us-gaap_EarningsPerShareBasicAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CashPaidForIPRDAssetAcquiredInAnAssetAcquisition" xlink:label="pstv_CashPaidForIPRDAssetAcquiredInAnAssetAcquisition"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AmendmentAndRestatementsMay2024PrivatePlacementMember" xlink:label="pstv_AmendmentAndRestatementsMay2024PrivatePlacementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentTransitionReport" xlink:label="dei_DocumentTransitionReport"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_StockRepurchaseProgramAuthorizedAmount1" xlink:label="srt_StockRepurchaseProgramAuthorizedAmount1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SubscriptionAgreementMember" xlink:label="pstv_SubscriptionAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NumberOfReportingUnits" xlink:label="us-gaap_NumberOfReportingUnits"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_UnpaidOfferingCosts" xlink:label="pstv_UnpaidOfferingCosts"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskCreditRisk" xlink:label="us-gaap_ConcentrationRiskCreditRisk"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorFirmId" xlink:label="dei_AuditorFirmId"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssets" xlink:label="us-gaap_IncreaseDecreaseInOtherNoncurrentAssets"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense" xlink:label="us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="us-gaap_AdditionalPaidInCapitalMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="dei_EntityWellKnownSeasonedIssuer"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SecuritiesPurchaseAgreementMember" xlink:label="pstv_SecuritiesPurchaseAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_IncomeTaxesLineItems" xlink:label="pstv_IncomeTaxesLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="us-gaap_IncomeStatementLocationDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="us-gaap_OtherAssetsNoncurrent"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesAWarrantMember" xlink:label="pstv_SeriesAWarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherPrepaidExpenseCurrent" xlink:label="us-gaap_OtherPrepaidExpenseCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_GrantReceivable" xlink:label="pstv_GrantReceivable"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SalesAgreementMember" xlink:label="pstv_SalesAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SingleStockFutureMember" xlink:label="us-gaap_SingleStockFutureMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1" xlink:label="us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsCurrent" xlink:label="us-gaap_OtherAssetsCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueLineItems" xlink:label="us-gaap_DisaggregationOfRevenueLineItems"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NonCashFinancingExpense" xlink:label="pstv_NonCashFinancingExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesPurchasedOptionsPricePolicy" xlink:label="us-gaap_AvailableForSaleSecuritiesPurchasedOptionsPricePolicy"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingExpenseInformationUsedByCodmDescription" xlink:label="us-gaap_SegmentReportingExpenseInformationUsedByCodmDescription"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfRevenueExtensibleList" xlink:label="us-gaap_TypeOfRevenueExtensibleList"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionTable" xlink:label="us-gaap_AssetAcquisitionTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LinesOfCreditCurrent" xlink:label="us-gaap_LinesOfCreditCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForRoyalties" xlink:label="us-gaap_PaymentsForRoyalties"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="us-gaap_InvestmentIncomeInterest"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrepaidInsurance" xlink:label="us-gaap_PrepaidInsurance"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NumberOfPreferredStockSharesExercised" xlink:label="pstv_NumberOfPreferredStockSharesExercised"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherIntangibleAssetsNet" xlink:label="us-gaap_OtherIntangibleAssetsNet"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentOfferingDate1" xlink:label="us-gaap_DebtInstrumentOfferingDate1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageOfCreditFacilityCannotExceedCollateralizedMarketableSecurities" xlink:label="pstv_PercentageOfCreditFacilityCannotExceedCollateralizedMarketableSecurities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiability" xlink:label="us-gaap_OperatingLeaseLiability"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_EffectiveIncomeTaxRateReconciliationWarrants" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationWarrants"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="us-gaap_CommitmentsAndContingencies"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_RestrictedBeneficialOwnershipLevelResultOfExerciseOfWarrantToReceivePreFundedWarrant" xlink:label="pstv_RestrictedBeneficialOwnershipLevelResultOfExerciseOfWarrantToReceivePreFundedWarrant"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NonRule10B51ArrModifiedFlag" xlink:label="pstv_NonRule10B51ArrModifiedFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis" xlink:label="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ManufacturingAgreementWithSpectronRXMember" xlink:label="pstv_ManufacturingAgreementWithSpectronRXMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseRenewalTerm" xlink:label="us-gaap_LesseeOperatingLeaseRenewalTerm"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherDeferredCostsNet" xlink:label="us-gaap_OtherDeferredCostsNet"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementThirdPartyEngagedFlag" xlink:label="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_OfficeAndComputerEquipmentGross" xlink:label="pstv_OfficeAndComputerEquipmentGross"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiability" xlink:label="us-gaap_FinanceLeaseLiability"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntitySmallBusiness" xlink:label="dei_EntitySmallBusiness"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="us-gaap_SegmentReportingInformationLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" xlink:label="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="us-gaap_DebtDisclosureTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PreFundedWarrantsMember" xlink:label="pstv_PreFundedWarrantsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:label="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_USTreasurySecuritiesMember" xlink:label="us-gaap_USTreasurySecuritiesMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentsFairValueDisclosure" xlink:label="us-gaap_InvestmentsFairValueDisclosure"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="us-gaap_TreasuryStockSharesAcquired"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityAbstract" xlink:label="us-gaap_LineOfCreditFacilityAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityAxis" xlink:label="us-gaap_CreditFacilityAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractualObligation" xlink:label="us-gaap_ContractualObligation"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ExchangeMember" xlink:label="pstv_ExchangeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesAWarrantAndSeriesBWarrantMember" xlink:label="pstv_SeriesAWarrantAndSeriesBWarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InternalRevenueServiceIRSMember" xlink:label="us-gaap_InternalRevenueServiceIRSMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CancerPreventionAndResearchInstituteOfTexasContractMember" xlink:label="pstv_CancerPreventionAndResearchInstituteOfTexasContractMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StateAndLocalJurisdictionMember" xlink:label="us-gaap_StateAndLocalJurisdictionMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeePercentage"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_StockBasedCompensation2020EquityIncentivePlanMember" xlink:label="pstv_StockBasedCompensation2020EquityIncentivePlanMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="us-gaap_IncomeLossFromContinuingOperations"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="us-gaap_FairValueInputsLevel3Member"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="us-gaap_SubsequentEventsTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableCurrent" xlink:label="us-gaap_AccountsPayableCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_DebtInstrumentFloorRate" xlink:label="pstv_DebtInstrumentFloorRate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Remaining Contractual Life (years) [Roll Forward]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_May2024PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">May 2024 Private Placement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_May2024PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">May 2024 private placement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Board of Directors Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_IncomeTaxContingencyAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax contingency.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_IncomeTaxContingencyAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Contingency [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_IncomeTaxContingencyAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Tax Contingency [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plan Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfEquity_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchase of treasury stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase of treasury stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments for Repurchase of Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Payments for Repurchase of Equity, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FacilityAndOtherOverheadExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Facility And Other Overhead Expenses [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FacilityAndOtherOverheadExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Facility And Other Overhead Expenses [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Postal Zip Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Postal Zip Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NewCapitalSubscriptionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">New Capital Subscriptions [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NewCapitalSubscriptionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">New Capital Subscriptions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Recurring and Nonrecurring [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Recurring and Nonrecurring [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, State or Country Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Incorporation, State or Country Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationAcquisitionRelatedCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Acquisition Related Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationAcquisitionRelatedCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Costs of acquisitions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AccountingStandardsUpdate202403Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ASU - 2024-03</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AccountingStandardsUpdate202403Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update 2024 03 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AccountingStandardsUpdate202403Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accounting standards update 2024 03.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Paid, Excluding Capitalized Interest, Operating Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Operating Segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of operating segment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2028</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exercisable at December 31, 2024 (in dollars per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Authority, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Hierarchy and NAV [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Auditor Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share Based Compensation Arrangement By Share Based Payment Award [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CashDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CashDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash deposits.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CashDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Current Maturities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Term loan obligation, current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Long-Term Debt, Current Maturities, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Term loan obligation, current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Investments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Investments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Investments, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Investments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and Contingencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TwoThousandTwentyTwoDistributionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand twenty two distribution agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TwoThousandTwentyTwoDistributionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand Twenty Two Distribution Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TwoThousandTwentyTwoDistributionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2022 Distribution Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ScheduleOfRightOfUseAssetsAndLeaseLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of right of use assets and lease liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ScheduleOfRightOfUseAssetsAndLeaseLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Right Of Use Assets And Lease Liabilities Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ScheduleOfRightOfUseAssetsAndLeaseLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Lease Liabilities and Right-of-Use Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock, Class of Stock [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Stock By Class [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Change in Fair Value of Warrant Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product and Service [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Product and Service</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationDepletionAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation, Depletion and Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationDepletionAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation and amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationDepletionAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Depreciation, Depletion and Amortization, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_LoremVascularPteLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Lorem Vascular, Pte. Ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_LoremVascularPteLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lorem Vascular Pte Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_LoremVascularPteLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lorem Vascular Pte Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock option vesting percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchased During Period, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of stock repurchased</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Productive Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Payments to Acquire Productive Assets, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total cash payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes Integrated [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseNonoperating_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense, Nonoperating</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseNonoperating_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Interest Expense, Nonoperating, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseNonoperating_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Interest expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholders' Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Warrant or Right</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Grant Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CashPaidDuringPeriodForAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Paid During Period For [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CashPaidDuringPeriodForAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash paid during period for:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CashPaidDuringPeriodForAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash paid during period for:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Unrealized Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrealized loss on available-for-sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total unrealized loss on available-for-sale securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CongressionallyDirectedMedicalResearchProgramsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Congressionally Directed Medical Research Programs [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CongressionallyDirectedMedicalResearchProgramsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Congressionally Directed Medical Research Programs [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CongressionallyDirectedMedicalResearchProgramsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Congressionally directed medical research programs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and Cash Equivalents [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ChangeInFairValueOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change In Fair Value Of Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ChangeInFairValueOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Change in fair value of warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ChangeInFairValueOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in fair value of warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ChangeInFairValueOfWarrants_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Change in fair value of warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TwoThousandEighteenRightsOfferingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand eighteen rights offering.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TwoThousandEighteenRightsOfferingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand Eighteen Rights Offering [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TwoThousandEighteenRightsOfferingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2018 Rights Offering [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TwoThousandAndTwentyTwoPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand and twenty two purchase agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TwoThousandAndTwentyTwoPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand and Twenty Two Purchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TwoThousandAndTwentyTwoPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">2022 Purchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantExercisePriceDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant, Exercise Price, Decrease</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantExercisePriceDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reduction of exercise price of Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PreferredStockDividendRatePercentageEliminatedDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Preferred stock dividend rate percentage eliminated date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PreferredStockDividendRatePercentageEliminatedDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock Dividend Rate Percentage Eliminated Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PreferredStockDividendRatePercentageEliminatedDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A 3.6% Convertible preferred stock eliminated date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Outstanding Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Cancelled/forfeited (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorOpinionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Opinion [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorOpinionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Auditor Opinion</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Operating Capital [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increases (decreases) in cash caused by changes in operating assets and liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_InitialSubscriptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial Subscription [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_InitialSubscriptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Initial Subscription.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares issued (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_RightsRelatedToDistributionOfAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rights related to distribution of assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_RightsRelatedToDistributionOfAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rights Related To Distribution Of Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_RightsRelatedToDistributionOfAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rights related to distribution of assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SPEAWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SPEA Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SPEAWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SPEA Warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageOfGrantProceedsWithInterestNotExceedAnnually_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of grant proceeds with interest not exceed annually.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageOfGrantProceedsWithInterestNotExceedAnnually_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Grant Proceeds With Interest Not Exceed Annually</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageOfGrantProceedsWithInterestNotExceedAnnually_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of grant proceeds with interest not exceed annually</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_StockIssuedDuringPeriodValueReclassificationOfWarrantsToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Reclassification of warrants to equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_StockIssuedDuringPeriodValueReclassificationOfWarrantsToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period, value, reclassification of warrants to equity.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_StockIssuedDuringPeriodValueReclassificationOfWarrantsToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reclass of warrants to equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line of Credit Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, State or Province</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, State or Province</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Short-Term Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchases of short-term investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateralized marketable securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Marketable Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Marketable Securities, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest related to unrecognized tax benefits in interest expense and penalties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2027</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CommonStockSalesAvailableForIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common stock, sales, available for issuance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CommonStockSalesAvailableForIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Sales Available For Issuance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CommonStockSalesAvailableForIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Remaining availability under financing facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_DeferredTaxAssetsValuationAllowances_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax assets valuation allowances.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_DeferredTaxAssetsValuationAllowances_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets Valuation Allowances</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_DeferredTaxAssetsValuationAllowances_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_WarrantsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_WarrantsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_WarrantsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrants Policy.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lease, Cost [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lease expense:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exercisable at December 31, 2023</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByLiabilityClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability Class [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ExerciseOfPreFundedWarrantsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exercise of pre-funded warrants (in Shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ExerciseOfPreFundedWarrantsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Exercise Of Pre-funded Warrants Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ExerciseOfPreFundedWarrantsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Exercise of pre-funded warrants shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeriesFPreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series F Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury stock, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock, Common, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cover</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_LicenseAgreementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">License agreement abstract.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_LicenseAgreementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">License Agreement [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Earnings Per Share, Basic, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net loss per share, basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net loss per share of common stock - basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Second amendment to the amended and restated loan and security agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Term Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Term Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase (decrease) in valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseOptionToExtend_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Option to Extend</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseOptionToExtend_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lessee, operating lease, option to extend</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating expenses:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeriesAConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series A convertible preferred stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeriesAConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series A Convertible Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeriesAConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A Convertible Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassificationToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Reclassification To Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassificationToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value, measurement with unobservable inputs reconciliation, recurring basis, liability, reclassification to equity.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassificationToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reclassification to equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAnnualReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Annual Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAnnualReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Annual Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetAcquisitionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Acquisition [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments, Debt and Equity Securities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings (Accumulated Deficit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Retained Earnings (Accumulated Deficit), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plan Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance as of December 31, 2023 (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance as of December 31, 2024 (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Current [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current assets:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common stock capital shares reserved for future issuance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Increased in the total number of shares of common stock reserved for issuance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares reserved for issuance and sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net deferred tax assets (liability)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeptemberTwoThousandAndTwentyTwoDistributionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">September two thousand and twenty two distribution agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeptemberTwoThousandAndTwentyTwoDistributionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">September Two Thousand and Twenty Two Distribution Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeptemberTwoThousandAndTwentyTwoDistributionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">September 2022 Distribution Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Operating Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash used in operating activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash used in operating activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock issued in payment for in process research and development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Product and Service</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product and Service [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseTermOfContract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Term of Contract</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseTermOfContract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lessee, operating lease, term of contract</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MaximumValueOfSharesToBeIssuedUnderAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum value of shares to be issued under agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MaximumValueOfSharesToBeIssuedUnderAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Value of Shares to be Issued Under Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MaximumValueOfSharesToBeIssuedUnderAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Maximum value of shares to be issued under agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax loss carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Recorded Unconditional Purchase Obligation by Category of Item Purchased [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recorded Unconditional Purchase Obligation by Category of Item Purchased</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and equipment, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Property and equipment, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows used in operating activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recurring Basis [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Recurring [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherIncomeAndExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Income and Expenses [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherIncomeAndExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income (expense):</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Par or Stated Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, par value (in dollars per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Positions or Committees Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Cash Flows [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FebruaryTwoThousandTwentyFiveSecuritiesPurchaseAndExchangeAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">February Two Thousand Twenty Five Securities Purchase and Exchange Agreements [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FebruaryTwoThousandTwentyFiveSecuritiesPurchaseAndExchangeAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">February two thousand twenty five securities purchase and exchange agreements.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FebruaryTwoThousandTwentyFiveSecuritiesPurchaseAndExchangeAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">February 2025 SPEA Agreements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AccruedResearchAndDevelopmentStudies_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Carrying value as of the balance sheet date of obligations incurred through that date and payable for research and development studies.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AccruedResearchAndDevelopmentStudies_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Research And Development Studies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AccruedResearchAndDevelopmentStudies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued R&amp;D studies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_StockBasedCompensation2015EquityIncentivePlan1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock based compensation 2015 equity incentive plan 1 member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_StockBasedCompensation2015EquityIncentivePlan1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Based Compensation2015 Equity Incentive Plan1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_StockBasedCompensation2015EquityIncentivePlan1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2015 Plan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_Available-For-SalesAndShort-TermInvestmentsDateOfPurchaseTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Available-For-Sales and Short-Term Investments Date of Purchase Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_Available-For-SalesAndShort-TermInvestmentsDateOfPurchaseTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Available-for-sales and short-term investments date of purchase term.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_Available-For-SalesAndShort-TermInvestmentsDateOfPurchaseTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Available-for-sales and short-term investments date of purchase term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in fair value of warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Number of Securities Called by Warrants or Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares callable by warrants (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of securities called by warrant or right</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Goodwill and Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_RedemptionOfShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Redemption of Short-Term Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_RedemptionOfShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Redemption of Short-Term Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_RedemptionOfShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redemption of short-term investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CanaccordGenuityLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Canaccord Genuity L L C Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CanaccordGenuityLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Canaccord Genuity L L C [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CanaccordGenuityLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Canaccord Genuity LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CanaccordGenuityLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Canaccord Genuity LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PershingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pershing Credit Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PershingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pershing Credit Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PershingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Pershing Credit Facility.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Components [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity Components</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Recorded Unconditional Purchase Obligation [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recorded Unconditional Purchase Obligation [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Address Line One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CharlottesvilleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Charlottesville</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CharlottesvilleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Charlottesville [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CharlottesvilleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Charlottesville [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ClassOfWarrantOrRightExpirationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right Expiration Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ClassOfWarrantOrRightExpirationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Class of warrant or right expiration period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ClassOfWarrantOrRightExpirationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expiration period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Computation of Basic and Diluted Net Loss Per Share of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AccruedVacationAndCompensationCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accrued vacation and compensation, current.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AccruedVacationAndCompensationCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Vacation And Compensation Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AccruedVacationAndCompensationCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued vacation and compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Finite-Lived [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationTaxReturnToProvision_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Effective income tax rate reconciliation tax return to provision.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationTaxReturnToProvision_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation Tax Return To Provision</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationTaxReturnToProvision_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Return to provision</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationTaxReturnToProvision_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Return to provision</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nonoperating Income (Expense)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total other income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Antidilutive Securities Excluded from Diluted (Loss) per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Risk-free interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_OperatingLossCarryforwardsExpirationDates1_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The expiration date of each operating loss carryforward included in total operating loss carryforwards, or the applicable range of such expiration dates.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_OperatingLossCarryforwardsExpirationDates1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards Expiration Dates1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_OperatingLossCarryforwardsExpirationDates1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net operating loss carryforwards, Expire date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Research credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Voluntary Filers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Voluntary Filers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_LicenseAgreementDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure of accounting policy for license agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_LicenseAgreementDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">License Agreement Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_LicenseAgreementDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">License Agreements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amendment Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Operating Lease Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in operating lease liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Liability, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noncurrent operating lease liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Operating lease liabilities. noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PrefundedWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prefunded Warrant [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PrefundedWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Prefunded Warrant.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CommonStockIssuedForResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock issued for research and development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CommonStockIssuedForResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Issued for Research and Development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CommonStockIssuedForResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common stock issued for research and development.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_OptionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Options.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_OptionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Options [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_OptionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Outstanding Stock Options [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DomesticCountryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Domestic Tax Jurisdiction [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DomesticCountryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument, Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, voting rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Voting Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AggregatePurchasePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aggregate Purchase Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AggregatePurchasePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Aggregate purchase price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AggregatePurchasePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate purchase price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exercisable at December 31, 2024</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Rate [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Variable Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Research and Development Expense [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research and Development [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_Other_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_Other_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_Other_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Debt [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Face Value to Book Value Reconciliation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDispositionOfAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDispositionOfAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Loss on disposal of property and equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Component [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity Component</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ProfessionalExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Professional Expenses [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ProfessionalExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Professional expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFinStmtErrorCorrectionFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Financial Statement Error Correction [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">General and Administrative Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">General and administrative</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total general and administrative</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingExpenseInformationUsedByCodmTypeExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, Expense Information Used by CODM, Type [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred grant liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FinancingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FinancingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing expense.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FinancingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FinancingExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Financing expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplemental Balance Sheet Disclosures [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Composition of Certain Financial Statement Captions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock option contractual term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Components of Deferred Tax Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock, Common [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes Integrated [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Lines of Credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Proceeds from Lines of Credit, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Proceeds from credit facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfOtherCurrentAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Other Current Assets [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfOtherCurrentAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Current Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, shares issued (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating cash used for operating leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">US Government Corporations and Agencies Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Government Agency Bonds [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_LincolnParkCapitalFundLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Lincoln park capital fund, LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_LincolnParkCapitalFundLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lincoln Park Capital Fund L L C [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_LincolnParkCapitalFundLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lincoln Park Capital Fund, LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseDiscountRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease discount rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseDiscountRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Discount Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ConsiderationPaidToPreferredStockHolders_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consideration paid to preferred stock holders</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ConsiderationPaidToPreferredStockHolders_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consideration Paid To Preferred Stock Holders</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ConsiderationPaidToPreferredStockHolders_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Consideration paid to preferred stock holders.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Short-Term Investments, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rent expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vested and expected to vest at December 31, 2024 (in dollars per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cancelled/forfeited (in dollars per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_IncreaseDecreaseInGrantReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Grant receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_IncreaseDecreaseInGrantReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Grant Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_IncreaseDecreaseInGrantReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase decrease in grant receivable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PeriodExercisableFromTheDateOfIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Refers to the period exercisable from the date of issuance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PeriodExercisableFromTheDateOfIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Period Exercisable From The Date Of Issuance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PeriodExercisableFromTheDateOfIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Period exercisable from the date of issuance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Finite-Lived Intangible Assets [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible Assets, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares outstanding (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Common Stock, Shares, Outstanding, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Common Stock, Shares, Outstanding, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Options [Roll Forward]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Par or Stated Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, par value (in dollars per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Asset, In-Process Research and Development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capitalized R&amp;D</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ContractEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Contract effective date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ContractEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract Effective Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ContractEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contract effective date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance or Sale of Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Proceeds from Issuance or Sale of Equity, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Proceeds from sale of common stock warrants and pre-funded warrants, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MayTwoThousandTwentyFourPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">May two thousand twenty four purchase agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MayTwoThousandTwentyFourPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">May 2024 Purchase Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MayTwoThousandTwentyFourPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">May Two Thousand Twenty Four Purchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetAcquisitionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Acquisition [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntellectualPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intellectual Property [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntellectualPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intellectual Property [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Interactive Data Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Interactive Data Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_WarrantLiabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrant liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_WarrantLiabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant Liability [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_WarrantLiabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant Liability [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Redemption Price, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principal amount, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfAdoptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfAdoptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounting Standards Update</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MaximumBeneficialOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum beneficial ownership percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MaximumBeneficialOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Beneficial Ownership Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MaximumBeneficialOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum beneficial ownership percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_IncomeTaxesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income taxes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_IncomeTaxesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_IncomeTaxesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Assets, Fair Value Disclosure, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related and Nonrelated Parties [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lease, Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total lease expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Future Minimum Annual Lease Payments under Operating Leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Finite-Lived Intangible Assets, Gross, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Carrying Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_InitialCommitmentShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Initial commitment shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_InitialCommitmentShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial Commitment Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_InitialCommitmentShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial commitment shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities remaining and available for future issuances (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average period for recognition of cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Private Placement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from private placement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Research and Development Expense, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research and Development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Income Location, Balance [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Statement Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and Cash Equivalents [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fourth fiscal year following latest fiscal year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee Operating Lease Liability Payments Due After Year Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Long-Term Debt Instruments [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CommitmentFeeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commitment fee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CommitmentFeeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitment Fee [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CommitmentFeeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitment Fee [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Total deferred tax liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Tax Liabilities, Gross, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_OfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Offering Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_OfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Offering costs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_OfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Offering cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_OfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Offering expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationCategoryDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Recorded Unconditional Purchase Obligation, Category [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">New Accounting Pronouncements, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recently Issued Accounting Pronouncements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, City or Town</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, City or Town</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MarchTwoThousandTwentyFivePrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">March Two Thousand Twenty Five Private Placement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MarchTwoThousandTwentyFivePrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">March Two Thousand Twenty Five Private Placement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MarchTwoThousandTwentyFivePrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">March 2025 Private Placement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorLocation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorLocation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Auditor Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Payment of offering costs related to sale of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Payment of offering costs related to sale of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Stock Issuance Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance costs paid in common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Percent [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reconciliation of the total income tax provision tax rate [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Percentage of Ownership after Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities being sold in offering</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ContractTerminationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Contract termination date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ContractTerminationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract Termination Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ContractTerminationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contract termination date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ScheduleOfOperatingAndFinancingLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of operating and financing lease liability maturity.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ScheduleOfOperatingAndFinancingLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Operating And Financing Lease Liability Maturity Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ScheduleOfOperatingAndFinancingLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Future Minimum Annual Lease Payments under Operating and Financing Leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Cost by Plan [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Share-Based Compensation Recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Face Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Original loan amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationFinancingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation Financing Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationFinancingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Effective income tax rate reconciliation financing expense.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationFinancingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Depreciation, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Offering price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Segment Reporting Information, by Segment [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockTransactionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale closed date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockTransactionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Transaction Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComputerSoftwareIntangibleAssetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Software [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComputerSoftwareIntangibleAssetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Computer Software, Intangible Asset [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Placement Share [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Placement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Share-based compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based Compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expense and Other Assets, Current [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Current Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash paid for amounts included in the measurement of lease liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Paid For Amounts Included In Measurement Of Lease Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total cash paid for amounts included in the measurement of lease liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageOfNetOperatingLossCarryforwardsAvailableForOffsettingAgainstFutureTaxableIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of net operating loss carryforwards available for offsetting against future taxable income.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageOfNetOperatingLossCarryforwardsAvailableForOffsettingAgainstFutureTaxableIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Net Operating Loss Carryforwards Available For Offsetting Against Future Taxable Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageOfNetOperatingLossCarryforwardsAvailableForOffsettingAgainstFutureTaxableIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of federal net operating losses used to offset of future taxable income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Weighted Average Discount Rate, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease, weighted average discount rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Grant [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Grant [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosures [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_GrantFundingTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Grant funding term.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_GrantFundingTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Grant Funding Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_GrantFundingTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Grant funding term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityPublicFloat_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Public Float</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityPublicFloat_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Public Float</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Issue and sale of stock, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' equity requirement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale and issuance of common stock, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Net of Valuation Allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total deferred tax assets, net of allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Stock Options Exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Stock options exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Current [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Redemption of Series F preferred stock (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Redeemed or Called During Period, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounting Standards Update</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetImpairmentCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Impairment Charges</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetImpairmentCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment charges</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetImpairmentCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Asset Impairment Charges, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetImpairmentCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Impairment related to long lived assets or goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of 12(b) Security</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Title of 12(b) Security</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, at Carrying Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cash and Cash Equivalents, at Carrying Value, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lease, Cost [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Lease Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Stockholders' Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Period Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Period Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exercisable at December 31, 2024</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Research and development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research and development expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Research and Development Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total research and development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Granted (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock shares to be issued (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Indefinite-Lived Intangible Assets [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Dividend Rate, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible preferred stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Property and equipment, gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Property, Plant and Equipment, Gross, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Property, Plant and Equipment, Gross, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MaximumBeneficialOwnershipPercentageByElectionOfHolder_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Beneficial Ownership Percentage By Election Of Holder</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MaximumBeneficialOwnershipPercentageByElectionOfHolder_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum beneficial ownership percentage by election of holder.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MaximumBeneficialOwnershipPercentageByElectionOfHolder_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum beneficial ownership percentage by election of holder</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Activity [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock Option Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputExpectedTermMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected Term [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputExpectedTermMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Expected Term [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted-average Assumptions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_InitialCommitmentFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Initial commitment fee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_InitialCommitmentFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial Commitment Fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_InitialCommitmentFee_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Initial commitment fee paid in cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_InitialCommitmentFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial commitment fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AggregateExpenseIncludingFeeAndDisbursementExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Aggregate expense including fee and disbursement expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AggregateExpenseIncludingFeeAndDisbursementExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aggregate Expense Including Fee and Disbursement Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AggregateExpenseIncludingFeeAndDisbursementExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Reimburse of fee and disbursements expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Exercise Price of Warrants or Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant exercise price (in dollars per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instruments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeriesFConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series F Convertible Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeriesFConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series F Convertible Preferred Stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_WarrantsRemainOutstandingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants Remain Outstanding, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_WarrantsRemainOutstandingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrants remain outstanding, percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_WarrantsRemainOutstandingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants remain outstanding, percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows used in investing activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer, Excluding Assessed Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Revenue recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Grant revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gross decreases &#8211; tax positions in prior period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reconciliation of Total Income Tax Provision</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Defined Contribution Plan Disclosure [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Defined Contribution Plan Disclosure [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred grant liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of significant accounting policies.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Significant Accounting Policies [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Of Significant Accounting Policies [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ClinicalDevelopmentAndLicensingExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Clinical Development and Licensing Expenses [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ClinicalDevelopmentAndLicensingExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Clinical Development and Licensing Expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ClinicalDevelopmentAndLicensingExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Clinical, Development and Licensing Expenses [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregated Intrinsic Value [Roll Forward]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement by Share Based Payment Award Options Aggregate Intrinsic Value [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation arrangement by share based payment award options aggregate intrinsic value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdate202307Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update 2023-07 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdate202307Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ASU - 2023-07</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Intangible Asset, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of significant accounting policies.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Significant Accounting Policies [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Of Significant Accounting Policies [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CumulativeChangeInOwnership_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Refers to cumulative change in ownership in percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CumulativeChangeInOwnership_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cumulative Change In Ownership</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CumulativeChangeInOwnership_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cumulative change in ownership</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine2_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Address Line Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Black-Scholes-Merton option valuation model based on weighted-average assumptions [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_LitigationCaseTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Litigation Case [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_LitigationCaseTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Litigation Case</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities and Stockholders' Equity (Deficit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Financing Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by financing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NanoTxLicensesAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Nano Tx license agreement Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NanoTxLicensesAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nano Tx Licenses Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NanoTxLicensesAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Nano Tx Licenses Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_IcfrAuditorAttestationFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ICFR Auditor Attestation Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_IcfrAuditorAttestationFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ICFR Auditor Attestation Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total income tax provision</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity Note [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage issuance of common stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Issuance Of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage issuance of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Operating Loss Carryforwards, State and Local</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State tax credit carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dilutive common shares excluded from the calculations of diluted loss per share (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_OperatingLeasesExpiryYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating leases, expiry year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_OperatingLeasesExpiryYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Leases Expiry Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_OperatingLeasesExpiryYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating leases expiry year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">APIC, Share-Based Payment Arrangement, Increase for Cost Recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">APIC, Share-Based Payment Arrangement, Increase for Cost Recognition, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consideration to purchaser in cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Consideration Received on Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred CPRIT grant revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Revenue, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NetOperatingLossAndResearchAndDevelopmentTaxCreditCarryForwardsToOffsetFutureTaxableIncomePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Refers to the period of net operating loss and R&amp;D tax credit carry forwards to offset future taxable income.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NetOperatingLossAndResearchAndDevelopmentTaxCreditCarryForwardsToOffsetFutureTaxableIncomePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Operating Loss And Research And Development Tax Credit Carry Forwards To Offset Future Taxable Income Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NetOperatingLossAndResearchAndDevelopmentTaxCreditCarryForwardsToOffsetFutureTaxableIncomePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Period of net operating loss and R&amp;D tax credit carry forwards to offset future taxable income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ResearchAndDevelopmentAwardInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research and development award in period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ResearchAndDevelopmentAwardInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Research And Development Award In Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ResearchAndDevelopmentAwardInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Research and development award in period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Provision or benefit for income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income Tax Expense (Benefit), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageOfNonDilutiveMonetaryAwardsRequiredToPay_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of non-dilutive monetary awards required to pay.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageOfNonDilutiveMonetaryAwardsRequiredToPay_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Non-dilutive Monetary awards Required to Pay</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageOfNonDilutiveMonetaryAwardsRequiredToPay_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of non-dilutive monetary awards required to pay</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Authority, Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Components of Deferred Tax Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeriesCConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series C convertible preferred stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeriesCConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series C Convertible Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeriesCConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series C Convertible Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading Symbol</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FirstPaymentReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First payment received</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FirstPaymentReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Payment Received</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FirstPaymentReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First Payment Received</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Rate [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Variable Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total stockholders' equity (deficit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholders' deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ValuationAndQualifyingAccountsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PreClinicalResearchStudyObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Contractual obligation to provide funding of research and development costs over periods that initially exceed one year or the normal operating cycle, if longer.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PreClinicalResearchStudyObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pre Clinical Research Study Obligations [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PreClinicalResearchStudyObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre-clinical Research Study Obligations [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PeriodForMaterialChangesOfLiabilityForUncertainTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Refers to period for material changes of liability for uncertain tax benefits.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PeriodForMaterialChangesOfLiabilityForUncertainTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Period For Material Changes Of Liability For Uncertain Tax Benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PeriodForMaterialChangesOfLiabilityForUncertainTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Period for material changes of liability for uncertain tax benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total deferred tax assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-Based Compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Conversion Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Number of Shares Issued in Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InProcessResearchAndDevelopmentPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">In Process Research and Development, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InProcessResearchAndDevelopmentPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquired In-Process Research and Development (IPR&amp;D)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Goodwill, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Goodwill, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Goodwill, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in accounting principle, accounting standards update, adopted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Accounting Principle, Accounting Standards Update, Adopted [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total unamortized compensation cost related to outstanding unvested stock options and restricted stock awards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUncertainTaxPositionsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability for Uncertainty in Income Taxes, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUncertainTaxPositionsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liability for uncertain tax positions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AdditionalSubscriptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Subscription [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AdditionalSubscriptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Additional Subscription.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Expertise of Management Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Defined Contribution Plan, Employer Discretionary Contribution Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discretionary or matching contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeriesBConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series B convertible preferred stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeriesBConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series B Convertible Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeriesBConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series B Convertible Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Use of Estimates, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Use of Estimates</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_JanuaryTwoThousandAndTwentyTwoDistributionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">January two thousand and twenty two distribution agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_JanuaryTwoThousandAndTwentyTwoDistributionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">January Two Thousand and Twenty Two Distribution Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_JanuaryTwoThousandAndTwentyTwoDistributionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">January 2022 Distribution Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageOfAggregateAmountOfProceedsAwardedUnderCpritGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of aggregate amount of proceeds awarded under CPRIT grant.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageOfAggregateAmountOfProceedsAwardedUnderCpritGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Aggregate Amount Of Proceeds Awarded Under CPRIT Grant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageOfAggregateAmountOfProceedsAwardedUnderCpritGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of aggregate amount of proceeds awarded under CPRIT grant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NumberOfVotesPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number Of Votes Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NumberOfVotesPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Votes Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NumberOfVotesPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of votes per share.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementInputsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementInputsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Measurements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputPriceVolatilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Price Volatility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputPriceVolatilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected Volatility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividends</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Security Exchange Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Security Exchange Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value by Liability Class [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Tax Credit Carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax credit carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Tax Assets, Tax Credit Carryforwards, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MaintainMinimumMarketValueOfListedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maintain Minimum Market Value of Listed Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MaintainMinimumMarketValueOfListedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maintain minimum market value of listed securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MaintainMinimumMarketValueOfListedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maintain minimum market value of listed securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputRiskFreeInterestRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Risk Free Interest Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputRiskFreeInterestRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Risk-free Interest Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueIssuedForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of common stock for in process research and development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueIssuedForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Issued for Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less accumulated depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LegalEntityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Legal Entity [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LegalEntityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Legal Entity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TaxCreditCarryforwardExpirationDate1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax credit carryforward, expiration date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TaxCreditCarryforwardExpirationDate1_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Expiration date of the tax credit carryforward.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TaxCreditCarryforwardExpirationDate1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tax Credit Carryforward Expiration Date1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CpritGrantFundingTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">CPRIT grant funding term.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CpritGrantFundingTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CPRIT Grant Funding Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CpritGrantFundingTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CPRIT grant funding term, description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Year Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2027</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Resulting fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Research and Development Arrangement, Contract to Perform for Others, Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research and Development Arrangement, Contract to Perform for Others, Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities and stockholders' equity (deficit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating lease right-use-of assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease right-of-use assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Operating</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplemental Cash Flow Information [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplemental disclosure of cash flows information:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrimeRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prime Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrimeRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prime Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CompensationAndRetirementDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retirement Benefits [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentImpairment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Impairment [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentImpairment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Earnings Per Share, Diluted, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net loss per share, diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net loss per share of common stock - diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetAcquisitionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Acquisition [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits [Roll Forward]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of reconciliation of unrecognized tax benefits activity [Roll Forward]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Hierarchy and NAV [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Investing Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash used in investing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected volatility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MeasurementInputCommonStockMarketPriceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Common Stock Market Price [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MeasurementInputCommonStockMarketPriceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Measurement Input, Common Stock Market Price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MeasurementInputCommonStockMarketPriceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock Market Price [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Issue and sale of share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issue and sale of share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale and issuance of common stock, net (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Unrecognized Tax Benefits &#8211; Ending</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Unrecognized Tax Benefits &#8211; Beginning</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NetOperatingLossCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net operating loss carryforward.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NetOperatingLossCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Operating Loss Carryforward</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NetOperatingLossCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net operating losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Change in valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Stock option vesting period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Existence of Option to Extend [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lessee, operating lease, existence of option to extend [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distribution Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Filer Category</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Filer Category</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Property, Plant and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and equipment, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationMarkToMarket_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation Mark to Market</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationMarkToMarket_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Effective income tax rate reconciliation mark to market.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationMarkToMarket_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mark to market</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TwentyTwentyPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Twenty twenty purchase agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TwentyTwentyPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Twenty Twenty Purchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TwentyTwentyPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2020 Purchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetAcquisitionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Acquisition [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_IncreaseDecreaseInDeferredGrantLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred grant liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_IncreaseDecreaseInDeferredGrantLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Deferred Grant Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_IncreaseDecreaseInDeferredGrantLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase (decrease) in deferred grant liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss) Available to Common Stockholders, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net loss attributable to common stockholders - diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FairValueOfWarrantLiabilityReclassifiedToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value of Warrant Liability Reclassified to Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FairValueOfWarrantLiabilityReclassifiedToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair Value of Warrant Liability Reclassified to Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FairValueOfWarrantLiabilityReclassifiedToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of warrant liability reclassified to equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AmountToBeReceivedAsAwardForResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amount To Be Received As Award For Research And Development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AmountToBeReceivedAsAwardForResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount to be received as award for research and development.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AmountToBeReceivedAsAwardForResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount to be received as award for research and development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization and Operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Composition of Certain Financial Statement Captions [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Composition Of Certain Financial Statement Captions [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Fiscal Year End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current Fiscal Year End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_DistributionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Distribution agreement member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_DistributionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distribution Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_DistributionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2020 Distribution Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, Undiscounted Excess Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: amount representing interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_WarrantIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant Issuance Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_WarrantIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrant issuance costs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_WarrantIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Warrant issuance costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TwentyTwentyRepurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">2020 Repurchase Agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TwentyTwentyRepurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Twenty Twenty Repurchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_TwentyTwentyRepurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2020 Repurchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PrivatePlacementAndPrefundedWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Placement and Prefunded Warrant [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PrivatePlacementAndPrefundedWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Placement and Prefunded Warrant[Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PrivatePlacementAndPrefundedWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Private Placement and Prefunded Warrant.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Noncash Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based compensation expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Share-Based Payment Arrangement, Noncash Expense, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance as of December 31, 2023</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance as of December 31, 2024</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related and Nonrelated Parties [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFeeAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Fee Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFeeAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fees amount associated with loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Indefinite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CompensationAndEmployeeBenefitPlansTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Compensation and Employee Benefit Plans [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CompensationAndEmployeeBenefitPlansTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee Benefit Plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturity date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Emerging Growth Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Emerging Growth Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Recorded Unconditional Purchase Obligation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recorded Unconditional Purchase Obligation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MoneyMarketFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Money Market [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MoneyMarketFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Money Market Funds [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchases of intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted Average Number of Shares Outstanding, Basic, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average shares of common stock outstanding - basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average number of shares of common stock outstanding - basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NumberOfMaximumCommonSharesCanBeResale_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of maximum common shares can be resale.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NumberOfMaximumCommonSharesCanBeResale_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Maximum Common Shares Can Be Resale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NumberOfMaximumCommonSharesCanBeResale_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of maximum common shares can be resale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Statement Schedules</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DistributionTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distribution Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating Leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_LitigationCaseAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Litigation Case [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_LitigationCaseAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Litigation Case</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares Authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares authorized (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Payable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Useful Life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Useful lives of the assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Term Loan Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Long-Term Debt Instruments [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross proceeds from sale of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Proceeds from sale of common stock, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accounts Payable and Accrued Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts payable and accrued expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividend_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Weighted Average Expected Dividend</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividend_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividend yield assumed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Documents Incorporated by Reference [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Granted (in dollars per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accumulated Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Instrument</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Balance as of December 31, 2023</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationNetOperatingLossExpiration_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to net operating loss expiration.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationNetOperatingLossExpiration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation Net Operating Loss Expiration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationNetOperatingLossExpiration_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">NOLs expiring and adjustments to NOL</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationNetOperatingLossExpiration_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">NOLs expiring and adjustments to NOL</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CashPaymentInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash payment information.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CashPaymentInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Payment Information [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CashPaymentInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash payment information:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred Financing Costs and Other Debt-Related Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">General and Administrative Expense [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">General and Administrative [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impairment, Long-Lived Asset, Held-for-Use</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Impairment, Long-Lived Asset, Held-for-Use, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock-based Compensation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AtTheMarketOfferingProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">At the market offering program.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AtTheMarketOfferingProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">At The Market Offering Program [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AtTheMarketOfferingProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">At The Market Offering Program [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskRoleOfManagementTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Role of Management [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury stock (at cost, 78,559 shars as of December 31, 2023)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock, Common, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonValue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Treasury stock (at cost, 258,425 and 78,559 shares as of December 31, 2024 and 2023, respectively)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Policies [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PurchasePriceOfShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">purchase price of share.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PurchasePriceOfShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Purchase price of share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Line of Credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Long-Term Line of Credit, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line of credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross increase &#8211; current-period tax positions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholders' equity (deficit):</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplemental schedule of non-cash investing and financing activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Information</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and Equipment, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vested and expected to vest at December 31, 2024</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Exercise Price [Roll Forward]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, shares authorized (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAdjustmentOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair value loss on warrant liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAdjustmentOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in fair value of warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAdjustmentOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in fair value of warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAdjustmentOfWarrants_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Change in fair value of warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Information</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net decrease in cash and cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SecuritiesPurchaseAndExchangeAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Purchase And Exchange Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SecuritiesPurchaseAndExchangeAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Securities purchase and exchange agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SecuritiesPurchaseAndExchangeAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Purchase and Exchange Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants and Rights Outstanding, Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant liability, Expected term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_BioceptAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Biocept Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_BioceptAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Biocept Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_BioceptAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Biocept Agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax benefit at state statutory rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Income tax benefit at state statutory rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contractual Obligation, Fiscal Year Maturity [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Future Payments under Obligation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Examination, Penalties and Interest Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest or penalties related to income tax matters</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income Tax Examination, Penalties and Interest Expense, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Financial Position [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Income (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Operating loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AccruedLicensePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accrued license payable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AccruedLicensePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued License Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AccruedLicensePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued payments due to NanoTx</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedBonusesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Bonuses, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedBonusesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued payroll and bonus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Shell Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Shell Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedProfessionalFeesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Professional Fees, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedProfessionalFeesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued professional fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Key Inputs Used in Valuation of Liability Classified Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Tax Identification Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Tax Identification Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Warrant or Right</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value of Financial Instruments, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Current Reporting Status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Current Reporting Status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exercisable at December 31, 2024</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetAcquisitionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Acquisition [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetAcquisitionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Biocept Asset Acquisitions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts Payable and Accrued Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Grant Revenue Recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_BioceptAssetAcquisitionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Biocept Asset Acquisitions [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_BioceptAssetAcquisitionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Biocept asset acquisitions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_BioceptAssetAcquisitionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Biocept Asset Acquisitions [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Year Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Year Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_GrossProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Gross proceeds from issuance of common stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_GrossProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gross Proceeds from Issuance of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_GrossProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate gross proceeds from sales of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Accounting Principle, Accounting Standards Update, Adoption Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in accounting principle, accounting standards update, adoption date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Value, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, $0.001 par value; 5,000,000 shares authorized; 1,952 shares issued and outstanding as of December 31, 2024 and 2023</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Long-Term Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Principal payments of long-term obligations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Repayments of Long-Term Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Accumulated Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accumulated Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchase of treasury stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase of treasury stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock, Value, Acquired, Cost Method</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrecognized Tax Benefits Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Cash and cash equivalents at end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Cash and cash equivalents at beginning of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_DepartmentOfDefenseAwardMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Department of Defense Award [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_DepartmentOfDefenseAwardMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Department of defense award.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from sale of common stock, net of offering costs of $0.2 million</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Issuance Of Common Stock Net of Offering Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from issuance of common stock net of offering costs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">City Area Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants and Rights Outstanding, Measurement Input</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant liability, Measurement input</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Income tax expense (benefit) at federal statutory rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill and Intangible Assets, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_Rule10B51ArrModifiedFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rule 10b51 Arr Modified Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_Rule10B51ArrModifiedFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rule 10b51 Arr Modified Flag.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_Rule10B51ArrModifiedFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rule 10b51 Arr Modified Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MaximumGrantAmountToBeReceivedAsPerGrantContract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum grant amount to be received as per grant contract.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MaximumGrantAmountToBeReceivedAsPerGrantContract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Grant Amount to be Received as per Grant Contract</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_MaximumGrantAmountToBeReceivedAsPerGrantContract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum grant amount to be received as per grant contract</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization, Consolidation and Presentation of Financial Statements [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Local Phone Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Local Phone Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, shares outstanding (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Preferred Stock, Shares Outstanding, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Preferred Stock, Shares Outstanding, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseholdImprovementsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Leasehold Improvements, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseholdImprovementsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Leasehold improvements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid in Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional paid-in capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Additional Paid in Capital, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Defined Contribution Plan, Employer Matching Contribution, Percent of Match</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of matching contribution for employee contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Jurisdiction [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Tax Authority</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrantsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Grants Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrantsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Grant revenue receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FractionalAdjustmentOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fractional adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FractionalAdjustmentOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fractional Adjustment of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_FractionalAdjustmentOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fractional adjustment of common stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Remaining common stock issued and sold (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Treasury Stock, Value, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt Securities, Available-for-Sale, Amortized Cost, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Securities, available-for-sale, amortized cost and fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Deferred Tax Assets and Liabilities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred Tax Assets and Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageOfCommissionOnGrossProceedsFromSaleOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of commission on gross proceeds from sale of common stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageOfCommissionOnGrossProceedsFromSaleOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Commission on Gross Proceeds from Sale of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageOfCommissionOnGrossProceedsFromSaleOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Percentage of commission on gross proceeds from sale of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Liability, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Operating lease liabilities, current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: current portion</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InProcessResearchAndDevelopmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">In Process Research and Development [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Jurisdiction [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Tax Authority</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeriesBWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series B Warrant [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeriesBWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series B Warrant.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate, Stated Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PersonnelRelatedExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Personnel Related Expenses [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PersonnelRelatedExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Personnel Related Expenses [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PersonnelRelatedExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Personnel Related Expenses [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated Deficit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Debt Issuance Costs and Discounts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of deferred financing costs and debt discount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Amortization of Debt Issuance Costs and Discounts, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Defined Contribution Plan [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Defined Contribution Plan [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basic and diluted net loss per share of common stock calculation:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Property, Plant, and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Payments to Acquire Property, Plant, and Equipment, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchases of property and equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CashPaidForIPRDAssetAcquiredInAnAssetAcquisition_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">In process research and development acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CashPaidForIPRDAssetAcquiredInAnAssetAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Paid For I P R D Asset Acquired In An Asset Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CashPaidForIPRDAssetAcquiredInAnAssetAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash paid for IPRD asset acquired in an asset acquisition.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AmendmentAndRestatementsMay2024PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment and Restatements May 2024 Private Placement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_AmendmentAndRestatementsMay2024PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amendment and restatements May 2024 private placement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Transition Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Transition Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StockRepurchaseProgramAuthorizedAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchase Program Authorized Dollar Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StockRepurchaseProgramAuthorizedAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Authorized amount of repurchase of stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Year Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Security, Excluded EPS Calculation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SubscriptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SubscriptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subscription Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportingUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Reporting Units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportingUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of reporting units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_UnpaidOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unpaid Offering Costs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_UnpaidOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unpaid Offering Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_UnpaidOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unpaid offering cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskCreditRisk_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk, Credit Risk, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskCreditRisk_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorFirmId_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Firm ID</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorFirmId_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Auditor Firm ID</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Other Noncurrent Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reduction in the carrying amount of operating lease right-of-use assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Right-of-Use Asset, Periodic Reduction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid-in Capital [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional Paid-in Capital [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Well-known Seasoned Issuer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Well-known Seasoned Issuer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments to reconcile net loss to net cash used in operating activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SecuritiesPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Purchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SecuritiesPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Securities purchase agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_IncomeTaxesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income taxes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_IncomeTaxesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_IncomeTaxesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Income Location, Balance [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Statement Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2025</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeriesAWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series A Warrant [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeriesAWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series A Warrant.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherPrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Prepaid Expense, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherPrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable and Accrued Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts Payable and Accrued Expenses [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_GrantReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Grant Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_GrantReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Grant receivable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_GrantReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Grant receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SalesAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sales agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SalesAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sales Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SalesAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sales Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SingleStockFutureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Single-Stock Future [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SingleStockFutureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Single Regular Purchase [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Repurchase Program, Remaining Authorized, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Remained authorized amount for repurchase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total other current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Common Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Common Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation of Revenue [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NonCashFinancingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non-Cash Financing Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NonCashFinancingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non-cash financing expense.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NonCashFinancingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-cash financing expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2025</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesPurchasedOptionsPricePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Premium on Purchased Options [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesPurchasedOptionsPricePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Available-for-Sale Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingExpenseInformationUsedByCodmDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, Expense Information Used by CODM, Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfRevenueExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue, Product and Service [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Components of Deferred Tax Assets and Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Portions of the deferred tax assets and deferred tax liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Value, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Voting stock, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, $0.001 par value; 100,000,000 shares authorized; 6,154,758 shares issued and 5,896,333 outstanding as of December 31, 2024, 4,522,656 shares issued and 4,444,097 outstanding as of December 31, 2023, respectively</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetAcquisitionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Acquisition [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LinesOfCreditCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Outstanding balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LinesOfCreditCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LinesOfCreditCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line of credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForRoyalties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments for Royalties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForRoyalties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">License fee payment in cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income, Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Future Amortization Expense on Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidInsurance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Insurance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidInsurance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid insurance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NumberOfPreferredStockSharesExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number Of Preferred Stock Shares Exercised.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NumberOfPreferredStockSharesExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Preferred Stock Shares Exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NumberOfPreferredStockSharesExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of preferred stock, shares converted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Financial Assets Measured at Fair Value on Recurring Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets Measured on Recurring Basis [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Intangible Assets, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentOfferingDate1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Offering Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentOfferingDate1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Origination date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Net [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and Equipment, net [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageOfCreditFacilityCannotExceedCollateralizedMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of credit facility cannot exceed collateralized marketable securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageOfCreditFacilityCannotExceedCollateralizedMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Credit Facility Cannot Exceed Collateralized Marketable Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PercentageOfCreditFacilityCannotExceedCollateralizedMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of credit facility cannot exceed collateralized marketable securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lease liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Present value of obligations under leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Effective income tax rate reconciliation warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationWarrants_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Frequency [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Frequency [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Operating Loss Carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net operating loss carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Tax Assets, Operating Loss Carryforwards, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Deferred tax assets related to NOL carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and contingencies (Note 7)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_RestrictedBeneficialOwnershipLevelResultOfExerciseOfWarrantToReceivePreFundedWarrant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted beneficial ownership level result of exercise of warrant to receive pre-funded warrant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_RestrictedBeneficialOwnershipLevelResultOfExerciseOfWarrantToReceivePreFundedWarrant_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Beneficial Ownership Level Result of Exercise of Warrant To Receive Pre-funded Warrant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_RestrictedBeneficialOwnershipLevelResultOfExerciseOfWarrantToReceivePreFundedWarrant_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Restricted beneficial ownership level result of exercise of warrant to receive pre-funded warrant.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted Average Number of Shares Outstanding, Diluted, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average shares of common stock - diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average number of shares of common stock outstanding - diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NonRule10B51ArrModifiedFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Rule 10b51 Arr Modified Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NonRule10B51ArrModifiedFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non rule 10b51 arr modified flag.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_NonRule10B51ArrModifiedFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non Rule 10b51 Arr Modified Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Significant Accounting Policies [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Significant Accounting Policies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Segment Reporting Information, by Segment [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Segment Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Research and Development Arrangement, Contract to Perform for Others, Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research and Development Arrangement, Contract to Perform for Others, Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ManufacturingAgreementWithSpectronRXMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Manufacturing Agreement with SpectronRX [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ManufacturingAgreementWithSpectronRXMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Manufacturing Agreement with SpectronRX.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseRenewalTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Renewal Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseRenewalTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lessee, operating lease, renewal term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vested and expected to vest at December 31, 2024 (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum lease payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total minimum lease payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherDeferredCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Deferred Costs, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherDeferredCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Deferred Costs, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherDeferredCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred costs (Note 7)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Third Party Engaged [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_OfficeAndComputerEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The gross amount of office and computer equipment cost as of the balance sheet date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_OfficeAndComputerEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Office And Computer Equipment Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_OfficeAndComputerEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Office and computer equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease, Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finance lease obligation -- current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Finance Lease, Liability, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Small Business</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Small Business</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting Information [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Basis Spread on Variable Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis variable rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Term Loan Obligations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PreFundedWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pre-Funded Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_PreFundedWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Pre-funded warrants member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Operating Loss Carryforwards, Domestic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal tax carry forward</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of common stock for in process research and development (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Issued for Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Revenues, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasurySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">US Treasury Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasurySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury Bills [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Investments, Fair Value Disclosure, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockSharesAcquired_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchase of treasury stock (in Shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockSharesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase of treasury stock (in Shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockSharesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock, Shares, Acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractualObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contractual Obligation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractualObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contractual obligation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractualObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractualObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total debt obligations, including final payment fee (Face Value)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ExchangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Exchange [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_ExchangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Exchange.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accretion of discount on short-term investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accretion (Amortization) of Discounts and Premiums, Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accretion of discount on short-term investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeriesAWarrantAndSeriesBWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series A Warrant and Series B Warrant [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_SeriesAWarrantAndSeriesBWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series a warrant and series b warrant.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Financing Activities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from financing activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InternalRevenueServiceIRSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Internal Revenue Service (IRS) [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InternalRevenueServiceIRSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Internal Revenue Code [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance as of December 31, 2023 (in dollars per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance as of December 31, 2024 (in dollars per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CancerPreventionAndResearchInstituteOfTexasContractMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cancer prevention and research institute of texas contract.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CancerPreventionAndResearchInstituteOfTexasContractMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cancer Prevention And Research Institute Of Texas Contract [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_CancerPreventionAndResearchInstituteOfTexasContractMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CPRIT Contract [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StateAndLocalJurisdictionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">State and Local Jurisdiction [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StateAndLocalJurisdictionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Right-of-use assets acquired by assuming operating lease liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Right-of-Use Asset Obtained in Exchange for Operating Lease Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Commitment Fee Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Applicable fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Frequency [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Frequency [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Valuation Allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_StockBasedCompensation2020EquityIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock based compensation 2020 equity incentive plan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_StockBasedCompensation2020EquityIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Based Compensation2020 Equity Incentive Plan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_StockBasedCompensation2020EquityIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2020 Plan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income from continuing operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 3 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 3 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Weighted Average Remaining Lease Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease, weighted average remaining term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Events</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Positions or Committees Responsible [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accounts Payable, Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in accounting principle, accounting standards update, immaterial effect</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_DebtInstrumentFloorRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Floor Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_DebtInstrumentFloorRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument floor rate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="pstv_DebtInstrumentFloorRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument floor rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable and Accrued Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts payable and accrued expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accounts payable and accrued expenses, Total</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_May2024PrivatePlacementMember" xlink:to="pstv_May2024PrivatePlacementMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:to="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_IncomeTaxContingencyAbstract" xlink:to="pstv_IncomeTaxContingencyAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameDomain" xlink:to="us-gaap_PlanNameDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForRepurchaseOfEquity" xlink:to="us-gaap_PaymentsForRepurchaseOfEquity_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_FacilityAndOtherOverheadExpensesMember" xlink:to="pstv_FacilityAndOtherOverheadExpensesMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressPostalZipCode" xlink:to="dei_EntityAddressPostalZipCode_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_NewCapitalSubscriptionsMember" xlink:to="pstv_NewCapitalSubscriptionsMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock" xlink:to="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityIncorporationStateCountryCode" xlink:to="dei_EntityIncorporationStateCountryCode_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationAcquisitionRelatedCosts" xlink:to="us-gaap_BusinessCombinationAcquisitionRelatedCosts_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_AccountingStandardsUpdate202403Member" xlink:to="pstv_AccountingStandardsUpdate202403Member_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPaidNet" xlink:to="us-gaap_InterestPaidNet_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NumberOfOperatingSegments" xlink:to="us-gaap_NumberOfOperatingSegments_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxAuthorityNameDomain" xlink:to="us-gaap_IncomeTaxAuthorityNameDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesOutstanding" xlink:to="us-gaap_SharesOutstanding_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AuditorName" xlink:to="dei_AuditorName_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel2Member" xlink:to="us-gaap_FairValueInputsLevel2Member_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_CashDeposits" xlink:to="pstv_CashDeposits_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtCurrent" xlink:to="us-gaap_LongTermDebtCurrent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Investments" xlink:to="us-gaap_Investments_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_TwoThousandTwentyTwoDistributionAgreementMember" xlink:to="pstv_TwoThousandTwentyTwoDistributionAgreementMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_ScheduleOfRightOfUseAssetsAndLeaseLiabilitiesTableTextBlock" xlink:to="pstv_ScheduleOfRightOfUseAssetsAndLeaseLiabilitiesTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_ScheduleOfStockByClassTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ProductOrServiceAxis" xlink:to="srt_ProductOrServiceAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepreciationDepletionAndAmortization" xlink:to="us-gaap_DepreciationDepletionAndAmortization_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_LoremVascularPteLtdMember" xlink:to="pstv_LoremVascularPteLtdMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockRepurchasedDuringPeriodShares" xlink:to="us-gaap_StockRepurchasedDuringPeriodShares_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireProductiveAssets" xlink:to="us-gaap_PaymentsToAcquireProductiveAssets_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock" xlink:to="cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseNonoperating" xlink:to="us-gaap_InterestExpenseNonoperating_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:to="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightAxis" xlink:to="us-gaap_ClassOfWarrantOrRightAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:to="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_CashPaidDuringPeriodForAbstract" xlink:to="pstv_CashPaidDuringPeriodForAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss" xlink:to="us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_CongressionallyDirectedMedicalResearchProgramsMember" xlink:to="pstv_CongressionallyDirectedMedicalResearchProgramsMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:to="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_ChangeInFairValueOfWarrants" xlink:to="pstv_ChangeInFairValueOfWarrants_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_TwoThousandEighteenRightsOfferingMember" xlink:to="pstv_TwoThousandEighteenRightsOfferingMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_TwoThousandAndTwentyTwoPurchaseAgreementMember" xlink:to="pstv_TwoThousandAndTwentyTwoPurchaseAgreementMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WarrantExercisePriceDecrease" xlink:to="us-gaap_WarrantExercisePriceDecrease_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_PreferredStockDividendRatePercentageEliminatedDate" xlink:to="pstv_PreferredStockDividendRatePercentageEliminatedDate_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WarrantMember" xlink:to="us-gaap_WarrantMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AuditorOpinionTextBlock" xlink:to="dei_AuditorOpinionTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_InitialSubscriptionMember" xlink:to="pstv_InitialSubscriptionMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesIssued" xlink:to="us-gaap_CommonStockSharesIssued_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_RightsRelatedToDistributionOfAssets" xlink:to="pstv_RightsRelatedToDistributionOfAssets_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_SPEAWarrantsMember" xlink:to="pstv_SPEAWarrantsMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_PercentageOfGrantProceedsWithInterestNotExceedAnnually" xlink:to="pstv_PercentageOfGrantProceedsWithInterestNotExceedAnnually_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_StockIssuedDuringPeriodValueReclassificationOfWarrantsToEquity" xlink:to="pstv_StockIssuedDuringPeriodValueReclassificationOfWarrantsToEquity_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermDebtTextBlock" xlink:to="us-gaap_ShortTermDebtTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockMember" xlink:to="us-gaap_PreferredStockMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementAbstract" xlink:to="us-gaap_IncomeStatementAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressStateOrProvince" xlink:to="dei_EntityAddressStateOrProvince_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireShortTermInvestments" xlink:to="us-gaap_PaymentsToAcquireShortTermInvestments_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecurities" xlink:to="us-gaap_MarketableSecurities_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_CommonStockSalesAvailableForIssuance" xlink:to="pstv_CommonStockSalesAvailableForIssuance_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_DeferredTaxAssetsValuationAllowances" xlink:to="pstv_DeferredTaxAssetsValuationAllowances_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_WarrantsPolicyPolicyTextBlock" xlink:to="pstv_WarrantsPolicyPolicyTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseCostAbstract" xlink:to="us-gaap_LeaseCostAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByLiabilityClassAxis" xlink:to="us-gaap_FairValueByLiabilityClassAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_ExerciseOfPreFundedWarrantsShares" xlink:to="pstv_ExerciseOfPreFundedWarrantsShares_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeriesFPreferredStockMember" xlink:to="us-gaap_SeriesFPreferredStockMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockCommonShares" xlink:to="us-gaap_TreasuryStockCommonShares_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CoverAbstract" xlink:to="dei_CoverAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_LicenseAgreementAbstract" xlink:to="pstv_LicenseAgreementAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_SubsequentEventLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasic" xlink:to="us-gaap_EarningsPerShareBasic_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_TermLoanMember" xlink:to="pstv_TermLoanMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:to="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseOptionToExtend" xlink:to="us-gaap_LesseeOperatingLeaseOptionToExtend_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_OperatingExpensesAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_SeriesAConvertiblePreferredStockMember" xlink:to="pstv_SeriesAConvertiblePreferredStockMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassificationToEquity" xlink:to="pstv_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassificationToEquity_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentAnnualReport" xlink:to="dei_DocumentAnnualReport_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetAcquisitionAxis" xlink:to="us-gaap_AssetAcquisitionAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:to="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingAbstract" xlink:to="us-gaap_SegmentReportingAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrentAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:to="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTypeAxis" xlink:to="us-gaap_InvestmentTypeAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilities" xlink:to="us-gaap_DeferredTaxLiabilities_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_SeptemberTwoThousandAndTwentyTwoDistributionAgreementMember" xlink:to="pstv_SeptemberTwoThousandAndTwentyTwoDistributionAgreementMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssued1" xlink:to="us-gaap_StockIssued1_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ProductsAndServicesDomain" xlink:to="srt_ProductsAndServicesDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseTermOfContract" xlink:to="us-gaap_LesseeOperatingLeaseTermOfContract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_MaximumValueOfSharesToBeIssuedUnderAgreement" xlink:to="pstv_MaximumValueOfSharesToBeIssuedUnderAgreement_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwards" xlink:to="us-gaap_OperatingLossCarryforwards_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:to="us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementsRecurringMember" xlink:to="us-gaap_FairValueMeasurementsRecurringMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherIncomeAndExpensesAbstract" xlink:to="us-gaap_OtherIncomeAndExpensesAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock" xlink:to="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MeasurementInputTypeDomain" xlink:to="us-gaap_MeasurementInputTypeDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_StatementOfCashFlowsAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_FebruaryTwoThousandTwentyFiveSecuritiesPurchaseAndExchangeAgreementsMember" xlink:to="pstv_FebruaryTwoThousandTwentyFiveSecuritiesPurchaseAndExchangeAgreementsMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_AccruedResearchAndDevelopmentStudies" xlink:to="pstv_AccruedResearchAndDevelopmentStudies_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_StockBasedCompensation2015EquityIncentivePlan1Member" xlink:to="pstv_StockBasedCompensation2015EquityIncentivePlan1Member_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_Available-For-SalesAndShort-TermInvestmentsDateOfPurchaseTerm" xlink:to="pstv_Available-For-SalesAndShort-TermInvestmentsDateOfPurchaseTerm_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:to="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityDomain" xlink:to="dei_EntityDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets" xlink:to="us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_RedemptionOfShortTermInvestments" xlink:to="pstv_RedemptionOfShortTermInvestments_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_CanaccordGenuityLLCMember" xlink:to="pstv_CanaccordGenuityLLCMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsOther" xlink:to="us-gaap_DeferredTaxAssetsOther_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_PershingCreditFacilityMember" xlink:to="pstv_PershingCreditFacilityMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_StatementEquityComponentsAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_RecordedUnconditionalPurchaseObligationLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine1" xlink:to="dei_EntityAddressAddressLine1_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_CharlottesvilleMember" xlink:to="pstv_CharlottesvilleMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_ClassOfWarrantOrRightExpirationPeriod" xlink:to="pstv_ClassOfWarrantOrRightExpirationPeriod_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:to="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_AccruedVacationAndCompensationCurrent" xlink:to="pstv_AccruedVacationAndCompensationCurrent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock" xlink:to="cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_EffectiveIncomeTaxRateReconciliationTaxReturnToProvision" xlink:to="pstv_EffectiveIncomeTaxRateReconciliationTaxReturnToProvision_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonoperatingIncomeExpense" xlink:to="us-gaap_NonoperatingIncomeExpense_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:to="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_OperatingLossCarryforwardsExpirationDates1" xlink:to="pstv_OperatingLossCarryforwardsExpirationDates1_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:to="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityVoluntaryFilers" xlink:to="dei_EntityVoluntaryFilers_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_LicenseAgreementDisclosureTextBlock" xlink:to="pstv_LicenseAgreementDisclosureTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOperatingLeaseLiability" xlink:to="us-gaap_IncreaseDecreaseInOperatingLeaseLiability_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:to="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_PrefundedWarrantMember" xlink:to="pstv_PrefundedWarrantMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_CommonStockIssuedForResearchAndDevelopment" xlink:to="pstv_CommonStockIssuedForResearchAndDevelopment_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_OptionsMember" xlink:to="pstv_OptionsMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DomesticCountryMember" xlink:to="us-gaap_DomesticCountryMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="us-gaap_DebtInstrumentNameDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockVotingRights" xlink:to="us-gaap_PreferredStockVotingRights_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_AggregatePurchasePrice" xlink:to="pstv_AggregatePurchasePrice_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableRateDomain" xlink:to="us-gaap_VariableRateDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentExpenseMember" xlink:to="us-gaap_ResearchAndDevelopmentExpenseMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_Other" xlink:to="pstv_Other_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDebtTableTextBlock" xlink:to="us-gaap_ScheduleOfDebtTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnDispositionOfAssets" xlink:to="us-gaap_GainLossOnDispositionOfAssets_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_EquityComponentDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_ProfessionalExpensesMember" xlink:to="pstv_ProfessionalExpensesMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeMember" xlink:to="srt_RangeMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFinStmtErrorCorrectionFlag" xlink:to="dei_DocumentFinStmtErrorCorrectionFlag_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralAndAdministrativeExpense" xlink:to="us-gaap_GeneralAndAdministrativeExpense_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingExpenseInformationUsedByCodmTypeExtensibleEnumeration" xlink:to="us-gaap_SegmentReportingExpenseInformationUsedByCodmTypeExtensibleEnumeration_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeNoncurrent" xlink:to="us-gaap_DeferredIncomeNoncurrent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_FinancingExpense" xlink:to="pstv_FinancingExpense_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalBalanceSheetDisclosuresTextBlock" xlink:to="us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock" xlink:to="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:to="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockCommonMember" xlink:to="us-gaap_TreasuryStockCommonMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementProcessesIntegratedFlag" xlink:to="cyd_CybersecurityRiskManagementProcessesIntegratedFlag_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromLinesOfCredit" xlink:to="us-gaap_ProceedsFromLinesOfCredit_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfOtherCurrentAssetsTableTextBlock" xlink:to="us-gaap_ScheduleOfOtherCurrentAssetsTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesIssued" xlink:to="us-gaap_PreferredStockSharesIssued_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasePayments" xlink:to="us-gaap_OperatingLeasePayments_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember" xlink:to="us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_LincolnParkCapitalFundLLCMember" xlink:to="pstv_LincolnParkCapitalFundLLCMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseDiscountRate" xlink:to="us-gaap_LesseeOperatingLeaseDiscountRate_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_ConsiderationPaidToPreferredStockHolders" xlink:to="pstv_ConsiderationPaidToPreferredStockHolders_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesOther" xlink:to="us-gaap_DeferredTaxLiabilitiesOther_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermInvestments" xlink:to="us-gaap_ShortTermInvestments_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseExpense" xlink:to="us-gaap_OperatingLeaseExpense_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_IncreaseDecreaseInGrantReceivable" xlink:to="pstv_IncreaseDecreaseInGrantReceivable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TypeOfArrangementAxis" xlink:to="us-gaap_TypeOfArrangementAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_ClassOfStockDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_PeriodExercisableFromTheDateOfIssuance" xlink:to="pstv_PeriodExercisableFromTheDateOfIssuance_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:to="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment" xlink:to="us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_ContractEffectiveDate" xlink:to="pstv_ContractEffectiveDate_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock" xlink:to="cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOrSaleOfEquity" xlink:to="us-gaap_ProceedsFromIssuanceOrSaleOfEquity_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_MayTwoThousandTwentyFourPurchaseAgreementMember" xlink:to="pstv_MayTwoThousandTwentyFourPurchaseAgreementMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetAcquisitionAbstract" xlink:to="us-gaap_AssetAcquisitionAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntellectualPropertyMember" xlink:to="us-gaap_IntellectualPropertyMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityInteractiveDataCurrent" xlink:to="dei_EntityInteractiveDataCurrent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_WarrantLiabilityMember" xlink:to="pstv_WarrantLiabilityMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentRedemptionPricePercentage" xlink:to="us-gaap_DebtInstrumentRedemptionPricePercentage_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TypeOfAdoptionMember" xlink:to="us-gaap_TypeOfAdoptionMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_MaximumBeneficialOwnershipPercentage" xlink:to="pstv_MaximumBeneficialOwnershipPercentage_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeAxis" xlink:to="srt_RangeAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseCost" xlink:to="us-gaap_OperatingLeaseCost_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_IncomeTaxesTable" xlink:to="pstv_IncomeTaxesTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsFairValueDisclosure" xlink:to="us-gaap_AssetsFairValueDisclosure_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="us-gaap_RelatedPartyDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseCost" xlink:to="us-gaap_LeaseCost_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsGross" xlink:to="us-gaap_FiniteLivedIntangibleAssetsGross_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_InitialCommitmentShares" xlink:to="pstv_InitialCommitmentShares_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xlink:to="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentExpensePolicy" xlink:to="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementLocationAxis" xlink:to="us-gaap_IncomeStatementLocationAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAxis" xlink:to="us-gaap_CashAndCashEquivalentsAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" xlink:to="pstv_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_CommitmentFeeMember" xlink:to="pstv_CommitmentFeeMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxLiabilities" xlink:to="us-gaap_DeferredIncomeTaxLiabilities_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_OfferingCosts" xlink:to="pstv_OfferingCosts_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationCategoryDomain" xlink:to="us-gaap_RecordedUnconditionalPurchaseObligationCategoryDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:to="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressCityOrTown" xlink:to="dei_EntityAddressCityOrTown_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_MarchTwoThousandTwentyFivePrivatePlacementMember" xlink:to="pstv_MarchTwoThousandTwentyFivePrivatePlacementMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AuditorLocation" xlink:to="dei_AuditorLocation_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfStockIssuanceCosts" xlink:to="us-gaap_PaymentsOfStockIssuanceCosts_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:to="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag" xlink:to="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:to="us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_ContractTerminationDate" xlink:to="pstv_ContractTerminationDate_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_ScheduleOfOperatingAndFinancingLeaseLiabilityMaturityTableTextBlock" xlink:to="pstv_ScheduleOfOperatingAndFinancingLeaseLiabilityMaturityTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock" xlink:to="us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFaceAmount" xlink:to="us-gaap_DebtInstrumentFaceAmount_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_EffectiveIncomeTaxRateReconciliationFinancingExpense" xlink:to="pstv_EffectiveIncomeTaxRateReconciliationFinancingExpense_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Depreciation" xlink:to="us-gaap_Depreciation_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharePrice" xlink:to="us-gaap_SharePrice_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SaleOfStockTransactionDate" xlink:to="us-gaap_SaleOfStockTransactionDate_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComputerSoftwareIntangibleAssetMember" xlink:to="us-gaap_ComputerSoftwareIntangibleAssetMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag" xlink:to="cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrivatePlacementMember" xlink:to="us-gaap_PrivatePlacementMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:to="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag" xlink:to="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract" xlink:to="us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities" xlink:to="pstv_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_PercentageOfNetOperatingLossCarryforwardsAvailableForOffsettingAgainstFutureTaxableIncome" xlink:to="pstv_PercentageOfNetOperatingLossCarryforwardsAvailableForOffsettingAgainstFutureTaxableIncome_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:to="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration" xlink:to="us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GrantMember" xlink:to="us-gaap_GrantMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresAbstract" xlink:to="us-gaap_FairValueDisclosuresAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_GrantFundingTerm" xlink:to="pstv_GrantFundingTerm_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityPublicFloat" xlink:to="dei_EntityPublicFloat_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsNet" xlink:to="us-gaap_DeferredTaxAssetsNet_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:to="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockRedeemedOrCalledDuringPeriodShares" xlink:to="us-gaap_StockRedeemedOrCalledDuringPeriodShares_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:to="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetImpairmentCharges" xlink:to="us-gaap_AssetImpairmentCharges_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Security12bTitle" xlink:to="dei_Security12bTitle_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseCostTableTextBlock" xlink:to="us-gaap_LeaseCostTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems" xlink:to="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="us-gaap_StatementOfStockholdersEquityAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalPeriodFocus" xlink:to="dei_DocumentFiscalPeriodFocus_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentExpense" xlink:to="us-gaap_ResearchAndDevelopmentExpense_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockDividendRatePercentage" xlink:to="us-gaap_PreferredStockDividendRatePercentage_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="us-gaap_PropertyPlantAndEquipmentGross_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventTypeDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_MaximumBeneficialOwnershipPercentageByElectionOfHolder" xlink:to="pstv_MaximumBeneficialOwnershipPercentageByElectionOfHolder_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock" xlink:to="us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MeasurementInputExpectedTermMember" xlink:to="us-gaap_MeasurementInputExpectedTermMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:to="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_InitialCommitmentFee" xlink:to="pstv_InitialCommitmentFee_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_AggregateExpenseIncludingFeeAndDisbursementExpenses" xlink:to="pstv_AggregateExpenseIncludingFeeAndDisbursementExpenses_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_SeriesFConvertiblePreferredStockMember" xlink:to="pstv_SeriesFConvertiblePreferredStockMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_WarrantsRemainOutstandingPercentage" xlink:to="pstv_WarrantsRemainOutstandingPercentage_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsidiarySaleOfStockAxis" xlink:to="us-gaap_SubsidiarySaleOfStockAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="us-gaap_InvestmentTypeCategorizationMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:to="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxDisclosureTextBlock" xlink:to="us-gaap_IncomeTaxDisclosureTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:to="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:to="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract" xlink:to="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanDisclosureLineItems" xlink:to="us-gaap_DefinedContributionPlanDisclosureLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeCurrent" xlink:to="us-gaap_DeferredIncomeCurrent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="pstv_SummaryOfSignificantAccountingPoliciesLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_ClinicalDevelopmentAndLicensingExpensesMember" xlink:to="pstv_ClinicalDevelopmentAndLicensingExpensesMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_LineOfCreditFacilityLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditFacilityDomain" xlink:to="us-gaap_CreditFacilityDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" xlink:to="pstv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingStandardsUpdate202307Member" xlink:to="us-gaap_AccountingStandardsUpdate202307Member_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNet_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtSecuritiesAvailableForSaleTable" xlink:to="us-gaap_DebtSecuritiesAvailableForSaleTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesTable" xlink:to="pstv_SummaryOfSignificantAccountingPoliciesTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_CumulativeChangeInOwnership" xlink:to="pstv_CumulativeChangeInOwnership_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine2" xlink:to="dei_EntityAddressAddressLine2_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_LitigationCaseTypeDomain" xlink:to="srt_LitigationCaseTypeDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_NanoTxLicensesAgreementMember" xlink:to="pstv_NanoTxLicensesAgreementMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_IcfrAuditorAttestationFlag" xlink:to="dei_IcfrAuditorAttestationFlag_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityNoteAbstract" xlink:to="us-gaap_StockholdersEquityNoteAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_PercentageIssuanceOfCommonStock" xlink:to="pstv_PercentageIssuanceOfCommonStock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_OperatingLeasesExpiryYear" xlink:to="pstv_OperatingLeasesExpiryYear_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SaleOfStockConsiderationReceivedOnTransaction" xlink:to="us-gaap_SaleOfStockConsiderationReceivedOnTransaction_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredRevenue" xlink:to="us-gaap_DeferredRevenue_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_NetOperatingLossAndResearchAndDevelopmentTaxCreditCarryForwardsToOffsetFutureTaxableIncomePeriod" xlink:to="pstv_NetOperatingLossAndResearchAndDevelopmentTaxCreditCarryForwardsToOffsetFutureTaxableIncomePeriod_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_ResearchAndDevelopmentAwardInPeriod" xlink:to="pstv_ResearchAndDevelopmentAwardInPeriod_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefit" xlink:to="us-gaap_IncomeTaxExpenseBenefit_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_PercentageOfNonDilutiveMonetaryAwardsRequiredToPay" xlink:to="pstv_PercentageOfNonDilutiveMonetaryAwardsRequiredToPay_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxAuthorityNameAxis" xlink:to="us-gaap_IncomeTaxAuthorityNameAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_SeriesCConvertiblePreferredStockMember" xlink:to="pstv_SeriesCConvertiblePreferredStockMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_TradingSymbol" xlink:to="dei_TradingSymbol_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_FirstPaymentReceived" xlink:to="pstv_FirstPaymentReceived_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableRateAxis" xlink:to="us-gaap_VariableRateAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ValuationAndQualifyingAccountsAbstract" xlink:to="srt_ValuationAndQualifyingAccountsAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_PreClinicalResearchStudyObligationsMember" xlink:to="pstv_PreClinicalResearchStudyObligationsMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_PeriodForMaterialChangesOfLiabilityForUncertainTaxBenefits" xlink:to="pstv_PeriodForMaterialChangesOfLiabilityForUncertainTaxBenefits_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsGross" xlink:to="us-gaap_DeferredTaxAssetsGross_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:to="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:to="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:to="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InProcessResearchAndDevelopmentPolicy" xlink:to="us-gaap_InProcessResearchAndDevelopmentPolicy_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementStrategyAndGovernanceTable" xlink:to="cyd_CybersecurityRiskManagementStrategyAndGovernanceTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Goodwill" xlink:to="us-gaap_Goodwill_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted" xlink:to="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilityForUncertainTaxPositionsCurrent" xlink:to="us-gaap_LiabilityForUncertainTaxPositionsCurrent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_AdditionalSubscriptionMember" xlink:to="pstv_AdditionalSubscriptionMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock" xlink:to="cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount" xlink:to="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_SeriesBConvertiblePreferredStockMember" xlink:to="pstv_SeriesBConvertiblePreferredStockMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MeasurementInputTypeAxis" xlink:to="us-gaap_MeasurementInputTypeAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UseOfEstimates" xlink:to="us-gaap_UseOfEstimates_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_JanuaryTwoThousandAndTwentyTwoDistributionAgreementMember" xlink:to="pstv_JanuaryTwoThousandAndTwentyTwoDistributionAgreementMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:to="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_PercentageOfAggregateAmountOfProceedsAwardedUnderCpritGrant" xlink:to="pstv_PercentageOfAggregateAmountOfProceedsAwardedUnderCpritGrant_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_NumberOfVotesPerShare" xlink:to="pstv_NumberOfVotesPerShare_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementInputsDisclosureTextBlock" xlink:to="us-gaap_FairValueMeasurementInputsDisclosureTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_ClassOfStockLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MeasurementInputPriceVolatilityMember" xlink:to="us-gaap_MeasurementInputPriceVolatilityMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList" xlink:to="us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SecurityExchangeName" xlink:to="dei_SecurityExchangeName_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards" xlink:to="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_MaintainMinimumMarketValueOfListedSecurities" xlink:to="pstv_MaintainMinimumMarketValueOfListedSecurities_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_OperatingExpenses_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MeasurementInputRiskFreeInterestRateMember" xlink:to="us-gaap_MeasurementInputRiskFreeInterestRateMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:to="us-gaap_StockIssuedDuringPeriodValueIssuedForServices_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_StatementClassOfStockAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LegalEntityAxis" xlink:to="dei_LegalEntityAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_TaxCreditCarryforwardExpirationDate1" xlink:to="pstv_TaxCreditCarryforwardExpirationDate1_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_CpritGrantFundingTerm" xlink:to="pstv_CpritGrantFundingTerm_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain" xlink:to="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventMember" xlink:to="us-gaap_SubsequentEventMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MaximumMember" xlink:to="srt_MaximumMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseRightOfUseAsset" xlink:to="us-gaap_OperatingLeaseRightOfUseAsset_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="us-gaap_SupplementalCashFlowInformationAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrimeRateMember" xlink:to="us-gaap_PrimeRateMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:to="us-gaap_CompensationAndRetirementDisclosureAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentImpairment" xlink:to="us-gaap_PropertyPlantAndEquipmentImpairment_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareDiluted" xlink:to="us-gaap_EarningsPerShareDiluted_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetAcquisitionLineItems" xlink:to="us-gaap_AssetAcquisitionLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:to="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_MeasurementInputCommonStockMarketPriceMember" xlink:to="pstv_MeasurementInputCommonStockMarketPriceMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefits" xlink:to="us-gaap_UnrecognizedTaxBenefits_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_NetOperatingLossCarryforward" xlink:to="pstv_NetOperatingLossCarryforward_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend" xlink:to="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis" xlink:to="us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFilerCategory" xlink:to="dei_EntityFilerCategory_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment" xlink:to="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_EffectiveIncomeTaxRateReconciliationMarkToMarket" xlink:to="pstv_EffectiveIncomeTaxRateReconciliationMarkToMarket_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_TwentyTwentyPurchaseAgreementMember" xlink:to="pstv_TwentyTwentyPurchaseAgreementMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetAcquisitionDomain" xlink:to="us-gaap_AssetAcquisitionDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_IncreaseDecreaseInDeferredGrantLiability" xlink:to="pstv_IncreaseDecreaseInDeferredGrantLiability_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_FairValueOfWarrantLiabilityReclassifiedToEquity" xlink:to="pstv_FairValueOfWarrantLiabilityReclassifiedToEquity_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_AmountToBeReceivedAsAwardForResearchAndDevelopment" xlink:to="pstv_AmountToBeReceivedAsAwardForResearchAndDevelopment_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:to="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:to="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CurrentFiscalYearEndDate" xlink:to="dei_CurrentFiscalYearEndDate_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_DistributionAgreementMember" xlink:to="pstv_DistributionAgreementMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_WarrantIssuanceCosts" xlink:to="pstv_WarrantIssuanceCosts_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_TwentyTwentyRepurchaseAgreementMember" xlink:to="pstv_TwentyTwentyRepurchaseAgreementMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_PrivatePlacementAndPrefundedWarrantMember" xlink:to="pstv_PrivatePlacementAndPrefundedWarrantMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFeeAmount" xlink:to="us-gaap_DebtInstrumentFeeAmount_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CompensationAndEmployeeBenefitPlansTextBlock" xlink:to="us-gaap_CompensationAndEmployeeBenefitPlansTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareTextBlock" xlink:to="us-gaap_EarningsPerShareTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentMaturityDate" xlink:to="us-gaap_DebtInstrumentMaturityDate_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityEmergingGrowthCompany" xlink:to="dei_EntityEmergingGrowthCompany_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationTable" xlink:to="us-gaap_RecordedUnconditionalPurchaseObligationTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MoneyMarketFundsMember" xlink:to="us-gaap_MoneyMarketFundsMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireIntangibleAssets" xlink:to="us-gaap_PaymentsToAcquireIntangibleAssets_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilitiesCurrent" xlink:to="us-gaap_OtherLiabilitiesCurrent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_NumberOfMaximumCommonSharesCanBeResale" xlink:to="pstv_NumberOfMaximumCommonSharesCanBeResale_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xlink:to="srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DistributionTypeDomain" xlink:to="us-gaap_DistributionTypeDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:to="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_LitigationCaseAxis" xlink:to="srt_LitigationCaseAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesAuthorized" xlink:to="us-gaap_CommonStockSharesAuthorized_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPayableCurrent" xlink:to="us-gaap_InterestPayableCurrent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:to="us-gaap_ScheduleOfDebtInstrumentsTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel1Member" xlink:to="us-gaap_FairValueInputsLevel1Member_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_DebtDisclosureAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividend" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividend_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentsIncorporatedByReferenceTextBlock" xlink:to="dei_DocumentsIncorporatedByReferenceTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfIntangibleAssets" xlink:to="us-gaap_AmortizationOfIntangibleAssets_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancialInstrumentAxis" xlink:to="us-gaap_FinancialInstrumentAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_EffectiveIncomeTaxRateReconciliationNetOperatingLossExpiration" xlink:to="pstv_EffectiveIncomeTaxRateReconciliationNetOperatingLossExpiration_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerSharePolicyTextBlock" xlink:to="us-gaap_EarningsPerSharePolicyTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_CashPaymentInformationAbstract" xlink:to="pstv_CashPaymentInformationAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtPolicyTextBlock" xlink:to="us-gaap_DebtPolicyTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralAndAdministrativeExpenseMember" xlink:to="us-gaap_GeneralAndAdministrativeExpenseMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ImpairmentOfLongLivedAssetsHeldForUse" xlink:to="us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_AtTheMarketOfferingProgramMember" xlink:to="pstv_AtTheMarketOfferingProgramMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfWarrants" xlink:to="us-gaap_ProceedsFromIssuanceOfWarrants_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskRoleOfManagementTextBlock" xlink:to="cyd_CybersecurityRiskRoleOfManagementTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockCommonValue" xlink:to="us-gaap_TreasuryStockCommonValue_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_AccountingPoliciesAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_PurchasePriceOfShare" xlink:to="pstv_PurchasePriceOfShare_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCredit" xlink:to="us-gaap_LineOfCredit_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxDisclosureAbstract" xlink:to="us-gaap_IncomeTaxDisclosureAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingPolicyPolicyTextBlock" xlink:to="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_SubsequentEventTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesAuthorized" xlink:to="us-gaap_PreferredStockSharesAuthorized_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAdjustmentOfWarrants" xlink:to="us-gaap_FairValueAdjustmentOfWarrants_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFileNumber" xlink:to="dei_EntityFileNumber_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingDisclosureTextBlock" xlink:to="us-gaap_SegmentReportingDisclosureTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueFromContractWithCustomerAbstract" xlink:to="us-gaap_RevenueFromContractWithCustomerAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_SecuritiesPurchaseAndExchangeAgreementMember" xlink:to="pstv_SecuritiesPurchaseAndExchangeAgreementMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="us-gaap_EarningsPerShareAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WarrantsAndRightsOutstandingTerm" xlink:to="us-gaap_WarrantsAndRightsOutstandingTerm_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_BioceptAgreementMember" xlink:to="pstv_BioceptAgreementMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock" xlink:to="srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense" xlink:to="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfFinancialPositionAbstract" xlink:to="us-gaap_StatementOfFinancialPositionAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_AccruedLicensePayable" xlink:to="pstv_AccruedLicensePayable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedBonusesCurrent" xlink:to="us-gaap_AccruedBonusesCurrent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityShellCompany" xlink:to="dei_EntityShellCompany_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityTable" xlink:to="us-gaap_LineOfCreditFacilityTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedProfessionalFeesCurrent" xlink:to="us-gaap_AccruedProfessionalFeesCurrent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityTaxIdentificationNumber" xlink:to="dei_EntityTaxIdentificationNumber_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_AssetsAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="us-gaap_ClassOfWarrantOrRightDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:to="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCurrentReportingStatus" xlink:to="dei_EntityCurrentReportingStatus_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetAcquisitionTextBlock" xlink:to="us-gaap_AssetAcquisitionTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:to="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsAbstract" xlink:to="us-gaap_SubsequentEventsAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock" xlink:to="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_BioceptAssetAcquisitionsMember" xlink:to="pstv_BioceptAssetAcquisitionsMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalYearFocus" xlink:to="dei_DocumentFiscalYearFocus_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_GrossProceedsFromIssuanceOfCommonStock" xlink:to="pstv_GrossProceedsFromIssuanceOfCommonStock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate" xlink:to="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockValue" xlink:to="us-gaap_PreferredStockValue_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfLongTermDebt" xlink:to="us-gaap_RepaymentsOfLongTermDebt_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:to="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock" xlink:to="us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_DepartmentOfDefenseAwardMember" xlink:to="pstv_DepartmentOfDefenseAwardMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts" xlink:to="pstv_ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CityAreaCode" xlink:to="dei_CityAreaCode_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WarrantsAndRightsOutstandingMeasurementInput" xlink:to="us-gaap_WarrantsAndRightsOutstandingMeasurementInput_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:to="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_Rule10B51ArrModifiedFlag" xlink:to="pstv_Rule10B51ArrModifiedFlag_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_MaximumGrantAmountToBeReceivedAsPerGrantContract" xlink:to="pstv_MaximumGrantAmountToBeReceivedAsPerGrantContract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LocalPhoneNumber" xlink:to="dei_LocalPhoneNumber_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesOutstanding" xlink:to="us-gaap_PreferredStockSharesOutstanding_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseholdImprovementsGross" xlink:to="us-gaap_LeaseholdImprovementsGross_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapital" xlink:to="us-gaap_AdditionalPaidInCapital_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch" xlink:to="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxAuthorityAxis" xlink:to="us-gaap_IncomeTaxAuthorityAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GrantsReceivable" xlink:to="us-gaap_GrantsReceivable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxPolicyTextBlock" xlink:to="us-gaap_IncomeTaxPolicyTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_FractionalAdjustmentOfCommonStock" xlink:to="pstv_FractionalAdjustmentOfCommonStock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssued" xlink:to="us-gaap_SharesIssued_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockValue" xlink:to="us-gaap_TreasuryStockValue_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConvertiblePreferredStockMember" xlink:to="us-gaap_ConvertiblePreferredStockMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:to="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:to="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_PercentageOfCommissionOnGrossProceedsFromSaleOfCommonStock" xlink:to="pstv_PercentageOfCommissionOnGrossProceedsFromSaleOfCommonStock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityCurrent" xlink:to="us-gaap_OperatingLeaseLiabilityCurrent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InProcessResearchAndDevelopmentMember" xlink:to="us-gaap_InProcessResearchAndDevelopmentMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="us-gaap_IncomeTaxAuthorityDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_SeriesBWarrantMember" xlink:to="pstv_SeriesBWarrantMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_PersonnelRelatedExpensesMember" xlink:to="pstv_PersonnelRelatedExpensesMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsMember" xlink:to="us-gaap_RetainedEarningsMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:to="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanTable" xlink:to="us-gaap_DefinedContributionPlanTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasicAbstract" xlink:to="us-gaap_EarningsPerShareBasicAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_CashPaidForIPRDAssetAcquiredInAnAssetAcquisition" xlink:to="pstv_CashPaidForIPRDAssetAcquiredInAnAssetAcquisition_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_AmendmentAndRestatementsMay2024PrivatePlacementMember" xlink:to="pstv_AmendmentAndRestatementsMay2024PrivatePlacementMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentTransitionReport" xlink:to="dei_DocumentTransitionReport_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_StockRepurchaseProgramAuthorizedAmount1" xlink:to="srt_StockRepurchaseProgramAuthorizedAmount1_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:to="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_SubscriptionAgreementMember" xlink:to="pstv_SubscriptionAgreementMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NumberOfReportingUnits" xlink:to="us-gaap_NumberOfReportingUnits_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_UnpaidOfferingCosts" xlink:to="pstv_UnpaidOfferingCosts_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskCreditRisk" xlink:to="us-gaap_ConcentrationRiskCreditRisk_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AuditorFirmId" xlink:to="dei_AuditorFirmId_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MinimumMember" xlink:to="srt_MinimumMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockMember" xlink:to="us-gaap_CommonStockMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOtherNoncurrentAssets" xlink:to="us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense" xlink:to="us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapitalMember" xlink:to="us-gaap_AdditionalPaidInCapitalMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityWellKnownSeasonedIssuer" xlink:to="dei_EntityWellKnownSeasonedIssuer_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_SecuritiesPurchaseAgreementMember" xlink:to="pstv_SecuritiesPurchaseAgreementMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="pstv_IncomeTaxesLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="us-gaap_IncomeStatementLocationDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsNoncurrent" xlink:to="us-gaap_OtherAssetsNoncurrent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_SeriesAWarrantMember" xlink:to="pstv_SeriesAWarrantMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherPrepaidExpenseCurrent" xlink:to="us-gaap_OtherPrepaidExpenseCurrent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_GrantReceivable" xlink:to="pstv_GrantReceivable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_SalesAgreementMember" xlink:to="pstv_SalesAgreementMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SingleStockFutureMember" xlink:to="us-gaap_SingleStockFutureMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1" xlink:to="us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsCurrent" xlink:to="us-gaap_OtherAssetsCurrent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCommonStockSharesOutstanding" xlink:to="dei_EntityCommonStockSharesOutstanding_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="us-gaap_DisaggregationOfRevenueLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_NonCashFinancingExpense" xlink:to="pstv_NonCashFinancingExpense_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesPurchasedOptionsPricePolicy" xlink:to="us-gaap_AvailableForSaleSecuritiesPurchasedOptionsPricePolicy_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingExpenseInformationUsedByCodmDescription" xlink:to="us-gaap_SegmentReportingExpenseInformationUsedByCodmDescription_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TypeOfRevenueExtensibleList" xlink:to="us-gaap_TypeOfRevenueExtensibleList_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:to="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockValue" xlink:to="us-gaap_CommonStockValue_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetAcquisitionTable" xlink:to="us-gaap_AssetAcquisitionTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LinesOfCreditCurrent" xlink:to="us-gaap_LinesOfCreditCurrent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForRoyalties" xlink:to="us-gaap_PaymentsForRoyalties_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentIncomeInterest" xlink:to="us-gaap_InvestmentIncomeInterest_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:to="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrepaidInsurance" xlink:to="us-gaap_PrepaidInsurance_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:to="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_NumberOfPreferredStockSharesExercised" xlink:to="pstv_NumberOfPreferredStockSharesExercised_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:to="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherIntangibleAssetsNet" xlink:to="us-gaap_OtherIntangibleAssetsNet_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentOfferingDate1" xlink:to="us-gaap_DebtInstrumentOfferingDate1_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_PercentageOfCreditFacilityCannotExceedCollateralizedMarketableSecurities" xlink:to="pstv_PercentageOfCreditFacilityCannotExceedCollateralizedMarketableSecurities_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiability" xlink:to="us-gaap_OperatingLeaseLiability_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_EffectiveIncomeTaxRateReconciliationWarrants" xlink:to="pstv_EffectiveIncomeTaxRateReconciliationWarrants_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByMeasurementFrequencyAxis" xlink:to="us-gaap_FairValueByMeasurementFrequencyAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingencies" xlink:to="us-gaap_CommitmentsAndContingencies_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_RestrictedBeneficialOwnershipLevelResultOfExerciseOfWarrantToReceivePreFundedWarrant" xlink:to="pstv_RestrictedBeneficialOwnershipLevelResultOfExerciseOfWarrantToReceivePreFundedWarrant_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_NonRule10B51ArrModifiedFlag" xlink:to="pstv_NonRule10B51ArrModifiedFlag_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_SignificantAccountingPoliciesTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis" xlink:to="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_ManufacturingAgreementWithSpectronRXMember" xlink:to="pstv_ManufacturingAgreementWithSpectronRXMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseRenewalTerm" xlink:to="us-gaap_LesseeOperatingLeaseRenewalTerm_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherDeferredCostsNet" xlink:to="us-gaap_OtherDeferredCostsNet_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag" xlink:to="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_OfficeAndComputerEquipmentGross" xlink:to="pstv_OfficeAndComputerEquipmentGross_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiability" xlink:to="us-gaap_FinanceLeaseLiability_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntitySmallBusiness" xlink:to="dei_EntitySmallBusiness_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_SegmentReportingInformationLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" xlink:to="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:to="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureTextBlock" xlink:to="us-gaap_DebtDisclosureTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_PreFundedWarrantsMember" xlink:to="pstv_PreFundedWarrantsMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:to="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Revenues" xlink:to="us-gaap_Revenues_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_USTreasurySecuritiesMember" xlink:to="us-gaap_USTreasurySecuritiesMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsFairValueDisclosure" xlink:to="us-gaap_InvestmentsFairValueDisclosure_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockSharesAcquired" xlink:to="us-gaap_TreasuryStockSharesAcquired_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityAbstract" xlink:to="us-gaap_LineOfCreditFacilityAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditFacilityAxis" xlink:to="us-gaap_CreditFacilityAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractualObligation" xlink:to="us-gaap_ContractualObligation_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_ExchangeMember" xlink:to="pstv_ExchangeMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:to="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_SeriesAWarrantAndSeriesBWarrantMember" xlink:to="pstv_SeriesAWarrantAndSeriesBWarrantMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InternalRevenueServiceIRSMember" xlink:to="us-gaap_InternalRevenueServiceIRSMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_CancerPreventionAndResearchInstituteOfTexasContractMember" xlink:to="pstv_CancerPreventionAndResearchInstituteOfTexasContractMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StateAndLocalJurisdictionMember" xlink:to="us-gaap_StateAndLocalJurisdictionMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:to="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityCommitmentFeePercentage" xlink:to="us-gaap_LineOfCreditFacilityCommitmentFeePercentage_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementFrequencyDomain" xlink:to="us-gaap_FairValueMeasurementFrequencyDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsValuationAllowance" xlink:to="us-gaap_DeferredTaxAssetsValuationAllowance_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_StockBasedCompensation2020EquityIncentivePlanMember" xlink:to="pstv_StockBasedCompensation2020EquityIncentivePlanMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperations" xlink:to="us-gaap_IncomeLossFromContinuingOperations_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel3Member" xlink:to="us-gaap_FairValueInputsLevel3Member_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:to="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsTextBlock" xlink:to="us-gaap_SubsequentEventsTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag" xlink:to="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableCurrent" xlink:to="us-gaap_AccountsPayableCurrent_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect" xlink:to="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="pstv_DebtInstrumentFloorRate" xlink:to="pstv_DebtInstrumentFloorRate_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_lbl"/>
        </link:labelLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CoverAbstract" xlink:label="dei_CoverAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="dei_EntityWellKnownSeasonedIssuer"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityVoluntaryFilers" xlink:label="dei_EntityVoluntaryFilers"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityInteractiveDataCurrent" xlink:label="dei_EntityInteractiveDataCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityPublicFloat" xlink:label="dei_EntityPublicFloat"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentType" xlink:label="dei_DocumentType"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityShellCompany" xlink:label="dei_EntityShellCompany"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntitySmallBusiness" xlink:label="dei_EntitySmallBusiness"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_IcfrAuditorAttestationFlag" xlink:label="dei_IcfrAuditorAttestationFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFinStmtErrorCorrectionFlag" xlink:label="dei_DocumentFinStmtErrorCorrectionFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_SecurityExchangeName" xlink:label="dei_SecurityExchangeName"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFileNumber" xlink:label="dei_EntityFileNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="dei_EntityIncorporationStateCountryCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityTaxIdentificationNumber" xlink:label="dei_EntityTaxIdentificationNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine1" xlink:label="dei_EntityAddressAddressLine1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine2" xlink:label="dei_EntityAddressAddressLine2"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressCityOrTown" xlink:label="dei_EntityAddressCityOrTown"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressStateOrProvince" xlink:label="dei_EntityAddressStateOrProvince"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressPostalZipCode" xlink:label="dei_EntityAddressPostalZipCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CityAreaCode" xlink:label="dei_CityAreaCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LocalPhoneNumber" xlink:label="dei_LocalPhoneNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentAnnualReport" xlink:label="dei_DocumentAnnualReport"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentTransitionReport" xlink:label="dei_DocumentTransitionReport"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorFirmId" xlink:label="dei_AuditorFirmId"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorName" xlink:label="dei_AuditorName"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorLocation" xlink:label="dei_AuditorLocation"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorOpinionTextBlock" xlink:label="dei_AuditorOpinionTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentsIncorporatedByReferenceTextBlock" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityRegistrantName" order="49.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityCentralIndexKey" order="50.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_TradingSymbol" order="51.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_CurrentFiscalYearEndDate" order="52.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityWellKnownSeasonedIssuer" order="53.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityVoluntaryFilers" order="54.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityInteractiveDataCurrent" order="55.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityCurrentReportingStatus" order="56.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityFilerCategory" order="57.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityPublicFloat" order="58.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityCommonStockSharesOutstanding" order="59.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentFiscalYearFocus" order="60.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentFiscalPeriodFocus" order="61.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentType" order="62.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_AmendmentFlag" order="63.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentPeriodEndDate" order="64.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityShellCompany" order="65.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntitySmallBusiness" order="66.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityEmergingGrowthCompany" order="67.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_IcfrAuditorAttestationFlag" order="68.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentFinStmtErrorCorrectionFlag" order="69.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_Security12bTitle" order="70.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_SecurityExchangeName" order="71.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityFileNumber" order="72.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityIncorporationStateCountryCode" order="73.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityTaxIdentificationNumber" order="74.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressAddressLine1" order="75.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressAddressLine2" order="76.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressCityOrTown" order="77.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressStateOrProvince" order="78.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressPostalZipCode" order="79.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_CityAreaCode" order="80.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_LocalPhoneNumber" order="81.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentAnnualReport" order="82.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentTransitionReport" order="83.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_AuditorFirmId" order="84.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_AuditorName" order="85.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_AuditorLocation" order="86.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_AuditorOpinionTextBlock" order="87.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentsIncorporatedByReferenceTextBlock" order="88.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="us-gaap_AssetsCurrentAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="us-gaap_StockholdersEquityAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockValue" xlink:label="us-gaap_PreferredStockValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="us-gaap_StatementOfFinancialPositionAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShortTermInvestments" xlink:label="us-gaap_ShortTermInvestments"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_GrantReceivable" xlink:label="pstv_GrantReceivable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeCurrent" xlink:label="us-gaap_DeferredIncomeCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeNoncurrent" xlink:label="us-gaap_DeferredIncomeNoncurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockCommonValue" xlink:label="us-gaap_TreasuryStockCommonValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsCurrent" xlink:label="us-gaap_OtherAssetsCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LinesOfCreditCurrent" xlink:label="us-gaap_LinesOfCreditCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="us-gaap_AdditionalPaidInCapital"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Goodwill" xlink:label="us-gaap_Goodwill"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtCurrent" xlink:label="us-gaap_LongTermDebtCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="us-gaap_CommitmentsAndContingencies"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherIntangibleAssetsNet" xlink:label="us-gaap_OtherIntangibleAssetsNet"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="us-gaap_OtherAssetsNoncurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_PreferredStockValue" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfFinancialPositionAbstract" xlink:to="us-gaap_AssetsAbstract" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_AssetsCurrentAbstract" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_ShortTermInvestments" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_OperatingLeaseLiabilityCurrent" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_OperatingLeaseLiabilityNoncurrent" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_CommonStockValue" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfFinancialPositionAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentNet" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="pstv_GrantReceivable" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_DeferredIncomeCurrent" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_DeferredIncomeNoncurrent" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_TreasuryStockCommonValue" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_OperatingLeaseRightOfUseAsset" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_OtherAssetsCurrent" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LinesOfCreditCurrent" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_Liabilities" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_AdditionalPaidInCapital" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_Goodwill" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrent" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LongTermDebtCurrent" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_CommitmentsAndContingencies" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_OtherIntangibleAssetsNet" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrent" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityAbstract" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquity" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_OtherAssetsNoncurrent" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_Assets" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheetsParenthetical" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="us-gaap_StockholdersEquityAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="us-gaap_StatementOfFinancialPositionAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="us-gaap_PreferredStockSharesAuthorized"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="us-gaap_PreferredStockSharesIssued"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="us-gaap_PreferredStockSharesOutstanding"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockCommonShares" xlink:label="us-gaap_TreasuryStockCommonShares"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfFinancialPositionAbstract" xlink:to="us-gaap_StockholdersEquityAbstract" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_PreferredStockSharesAuthorized" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_PreferredStockSharesIssued" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_PreferredStockSharesOutstanding" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_CommonStockSharesAuthorized" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_CommonStockSharesIssued" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_CommonStockSharesOutstanding" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_TreasuryStockCommonShares" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis" xlink:label="srt_ProductOrServiceAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain" xlink:label="srt_ProductsAndServicesDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementAbstract" xlink:label="us-gaap_IncomeStatementAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="us-gaap_OperatingExpensesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrantMember" xlink:label="us-gaap_GrantMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherIncomeAndExpensesAbstract" xlink:label="us-gaap_OtherIncomeAndExpensesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FinancingExpense" xlink:label="pstv_FinancingExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfRevenueExtensibleList" xlink:label="us-gaap_TypeOfRevenueExtensibleList"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="us-gaap_GeneralAndAdministrativeExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAdjustmentOfWarrants" xlink:label="us-gaap_FairValueAdjustmentOfWarrants"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_WarrantIssuanceCosts" xlink:label="pstv_WarrantIssuanceCosts"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="us-gaap_InvestmentIncomeInterest"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseNonoperating" xlink:label="us-gaap_InterestExpenseNonoperating"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="us-gaap_NonoperatingIncomeExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_Revenues" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_ProductOrServiceAxis" xlink:to="srt_ProductsAndServicesDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeStatementAbstract" xlink:to="us-gaap_StatementTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_ResearchAndDevelopmentExpense" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_ProductsAndServicesDomain" xlink:to="us-gaap_GrantMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherIncomeAndExpensesAbstract" xlink:to="pstv_FinancingExpense" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="srt_ProductOrServiceAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_TypeOfRevenueExtensibleList" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_GeneralAndAdministrativeExpense" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherIncomeAndExpensesAbstract" xlink:to="us-gaap_FairValueAdjustmentOfWarrants" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OperatingExpensesAbstract" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_OperatingExpenses" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherIncomeAndExpensesAbstract" xlink:to="pstv_WarrantIssuanceCosts" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OperatingIncomeLoss" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherIncomeAndExpensesAbstract" xlink:to="us-gaap_InvestmentIncomeInterest" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OtherIncomeAndExpensesAbstract" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherIncomeAndExpensesAbstract" xlink:to="us-gaap_InterestExpenseNonoperating" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_EarningsPerShareBasic" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherIncomeAndExpensesAbstract" xlink:to="us-gaap_NonoperatingIncomeExpense" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_EarningsPerShareDiluted" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherIncomeAndExpensesAbstract" xlink:to="us-gaap_NetIncomeLoss" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockMember" xlink:label="us-gaap_PreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SeriesFPreferredStockMember" xlink:label="us-gaap_SeriesFPreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharesOutstanding" xlink:label="us-gaap_SharesOutstanding"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConvertiblePreferredStockMember" xlink:label="us-gaap_ConvertiblePreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockCommonMember" xlink:label="us-gaap_TreasuryStockCommonMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="us-gaap_AdditionalPaidInCapitalMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsMember" xlink:label="us-gaap_RetainedEarningsMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ExerciseOfPreFundedWarrantsShares" xlink:label="pstv_ExerciseOfPreFundedWarrantsShares"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRedeemedOrCalledDuringPeriodShares" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodShares"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:label="us-gaap_StockIssuedDuringPeriodValueIssuedForServices"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:label="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FractionalAdjustmentOfCommonStock" xlink:label="pstv_FractionalAdjustmentOfCommonStock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="us-gaap_TreasuryStockSharesAcquired"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_StockIssuedDuringPeriodValueReclassificationOfWarrantsToEquity" xlink:label="pstv_StockIssuedDuringPeriodValueReclassificationOfWarrantsToEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity_14"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharesOutstanding" xlink:label="us-gaap_SharesOutstanding_15"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockholdersEquity" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_EquityComponentDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_PreferredStockMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_SeriesFPreferredStockMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="us-gaap_StatementTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementEquityComponentsAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SharesOutstanding" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_CommonStockMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_ConvertiblePreferredStockMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementClassOfStockAxis" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_TreasuryStockCommonMember" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" order="2.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodValueNewIssues" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_AdditionalPaidInCapitalMember" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_RetainedEarningsMember" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="pstv_ExerciseOfPreFundedWarrantsShares" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockRedeemedOrCalledDuringPeriodShares" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodValueIssuedForServices" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="pstv_FractionalAdjustmentOfCommonStock" order="9" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_TreasuryStockValueAcquiredCostMethod" order="10" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_TreasuryStockSharesAcquired" order="11" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="pstv_StockIssuedDuringPeriodValueReclassificationOfWarrantsToEquity" order="12" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetIncomeLoss" order="13" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockholdersEquity_14" order="14" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SharesOutstanding_15" order="15" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CashPaidDuringPeriodForAbstract" xlink:label="pstv_CashPaidDuringPeriodForAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestPaidNet" xlink:label="us-gaap_InterestPaidNet"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_IncreaseDecreaseInGrantReceivable" xlink:label="pstv_IncreaseDecreaseInGrantReceivable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="us-gaap_StatementOfCashFlowsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_UnpaidOfferingCosts" xlink:label="pstv_UnpaidOfferingCosts"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="us-gaap_DepreciationDepletionAndAmortization"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="us-gaap_RepaymentsOfLongTermDebt"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssets" xlink:label="us-gaap_IncreaseDecreaseInOtherNoncurrentAssets"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireIntangibleAssets" xlink:label="us-gaap_PaymentsToAcquireIntangibleAssets"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssued1" xlink:label="us-gaap_StockIssued1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="us-gaap_ProceedsFromLinesOfCredit"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireShortTermInvestments" xlink:label="us-gaap_PaymentsToAcquireShortTermInvestments"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CommonStockIssuedForResearchAndDevelopment" xlink:label="pstv_CommonStockIssuedForResearchAndDevelopment"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOrSaleOfEquity" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOperatingLeaseLiability" xlink:label="us-gaap_IncreaseDecreaseInOperatingLeaseLiability"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_RedemptionOfShortTermInvestments" xlink:label="pstv_RedemptionOfShortTermInvestments"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts" xlink:label="pstv_ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_IncreaseDecreaseInDeferredGrantLiability" xlink:label="pstv_IncreaseDecreaseInDeferredGrantLiability"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CashPaidForIPRDAssetAcquiredInAnAssetAcquisition" xlink:label="pstv_CashPaidForIPRDAssetAcquiredInAnAssetAcquisition"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NonCashFinancingExpense" xlink:label="pstv_NonCashFinancingExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsOfStockIssuanceCosts" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_5"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAdjustmentOfWarrants" xlink:label="us-gaap_FairValueAdjustmentOfWarrants"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForRepurchaseOfEquity" xlink:label="us-gaap_PaymentsForRepurchaseOfEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="us-gaap_GainLossOnDispositionOfAssets"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense" xlink:label="us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_CashPaidDuringPeriodForAbstract" xlink:to="us-gaap_InterestPaidNet" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="pstv_IncreaseDecreaseInGrantReceivable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetIncomeLoss" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="pstv_UnpaidOfferingCosts" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_DepreciationDepletionAndAmortization" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_RepaymentsOfLongTermDebt" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInOtherNoncurrentAssets" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_PaymentsToAcquireIntangibleAssets" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="us-gaap_StockIssued1" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AmortizationOfFinancingCostsAndDiscounts" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_ProceedsFromLinesOfCredit" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_PaymentsToAcquireShortTermInvestments" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="pstv_CommonStockIssuedForResearchAndDevelopment" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_ProceedsFromIssuanceOrSaleOfEquity" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingLeaseLiability" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="pstv_RedemptionOfShortTermInvestments" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="pstv_ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="pstv_IncreaseDecreaseInDeferredGrantLiability" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="pstv_CashPaidForIPRDAssetAcquiredInAnAssetAcquisition" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="pstv_NonCashFinancingExpense" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_PaymentsOfStockIssuanceCosts" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_5" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_FairValueAdjustmentOfWarrants" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_PaymentsForRepurchaseOfEquity" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_SupplementalCashFlowInformationAbstract" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_GainLossOnDispositionOfAssets" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="pstv_CashPaidDuringPeriodForAbstract" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_ShareBasedCompensation" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" order="9" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlowsParenthetical" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="us-gaap_StatementOfCashFlowsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_OfferingCosts" xlink:label="pstv_OfferingCosts"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="pstv_OfferingCosts" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:label="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock" xlink:label="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" xlink:label="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementStrategyAndGovernanceTable" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementProcessesIntegratedFlag" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock" xlink:label="cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskRoleOfManagementTextBlock" xlink:label="cyd_CybersecurityRiskRoleOfManagementTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementThirdPartyEngagedFlag" xlink:label="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag" xlink:label="cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock" xlink:label="cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock" xlink:label="cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:to="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems" xlink:to="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract" xlink:to="cyd_CybersecurityRiskManagementStrategyAndGovernanceTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" xlink:to="cyd_CybersecurityRiskManagementProcessesIntegratedFlag" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:to="cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems" xlink:to="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract" xlink:to="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" xlink:to="cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:to="cyd_CybersecurityRiskRoleOfManagementTextBlock" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" xlink:to="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:to="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" xlink:to="cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:to="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" xlink:to="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:to="cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" xlink:to="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:to="cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:to="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_InsiderTradingArrLineItems" xlink:label="ecd_InsiderTradingArrLineItems"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_Rule10B51ArrModifiedFlag" xlink:label="pstv_Rule10B51ArrModifiedFlag"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NonRule10B51ArrModifiedFlag" xlink:label="pstv_NonRule10B51ArrModifiedFlag"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ecd_InsiderTradingArrLineItems" xlink:to="pstv_Rule10B51ArrModifiedFlag" order="14.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ecd_InsiderTradingArrLineItems" xlink:to="pstv_NonRule10B51ArrModifiedFlag" order="15.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureOrganizationAndOperations" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="us-gaap_AccountingPoliciesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_SignificantAccountingPoliciesTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureFairValueMeasurements" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="us-gaap_FairValueDisclosuresAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementInputsDisclosureTextBlock" xlink:label="us-gaap_FairValueMeasurementInputsDisclosureTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueDisclosuresAbstract" xlink:to="us-gaap_FairValueMeasurementInputsDisclosureTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureInvestments" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:to="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureLossPerShare" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="us-gaap_EarningsPerShareAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="us-gaap_EarningsPerShareTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="us-gaap_EarningsPerShareTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptions" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:label="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SupplementalBalanceSheetDisclosuresTextBlock" xlink:label="us-gaap_SupplementalBalanceSheetDisclosuresTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:to="us-gaap_SupplementalBalanceSheetDisclosuresTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingencies" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreements" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_LicenseAgreementAbstract" xlink:label="pstv_LicenseAgreementAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_LicenseAgreementDisclosureTextBlock" xlink:label="pstv_LicenseAgreementDisclosureTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_LicenseAgreementAbstract" xlink:to="pstv_LicenseAgreementDisclosureTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureTermLoanObligations" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="us-gaap_DebtDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="us-gaap_DebtDisclosureTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_DebtDisclosureTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacility1" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityAbstract" xlink:label="us-gaap_LineOfCreditFacilityAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShortTermDebtTextBlock" xlink:label="us-gaap_ShortTermDebtTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityAbstract" xlink:to="us-gaap_ShortTermDebtTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenue" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerAbstract" xlink:label="us-gaap_RevenueFromContractWithCustomerAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueFromContractWithCustomerAbstract" xlink:to="us-gaap_RevenueFromContractWithCustomerTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureBioceptAssetAcquisitions1" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionAbstract" xlink:label="us-gaap_AssetAcquisitionAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionTextBlock" xlink:label="us-gaap_AssetAcquisitionTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetAcquisitionAbstract" xlink:to="us-gaap_AssetAcquisitionTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxes" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="us-gaap_IncomeTaxDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxDisclosureAbstract" xlink:to="us-gaap_IncomeTaxDisclosureTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureEmployeeBenefitPlan" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:label="us-gaap_CompensationAndRetirementDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CompensationAndEmployeeBenefitPlansTextBlock" xlink:label="us-gaap_CompensationAndEmployeeBenefitPlansTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:to="us-gaap_CompensationAndEmployeeBenefitPlansTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquity" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="us-gaap_StockholdersEquityNoteAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityNoteAbstract" xlink:to="us-gaap_StockholdersEquityNoteDisclosureTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensation1" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformation" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingAbstract" xlink:label="us-gaap_SegmentReportingAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingAbstract" xlink:to="us-gaap_SegmentReportingDisclosureTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSubsequentEvents1" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="us-gaap_SubsequentEventsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="us-gaap_SubsequentEventsTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventsAbstract" xlink:to="us-gaap_SubsequentEventsTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureFinancialStatementSchedules" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ValuationAndQualifyingAccountsAbstract" xlink:label="srt_ValuationAndQualifyingAccountsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xlink:label="srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_ValuationAndQualifyingAccountsAbstract" xlink:to="srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="us-gaap_AccountingPoliciesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UseOfEstimates" xlink:label="us-gaap_UseOfEstimates"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentImpairment" xlink:label="us-gaap_PropertyPlantAndEquipmentImpairment"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerPolicyTextBlock" xlink:label="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpensePolicy" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InProcessResearchAndDevelopmentPolicy" xlink:label="us-gaap_InProcessResearchAndDevelopmentPolicy"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_WarrantsPolicyPolicyTextBlock" xlink:label="pstv_WarrantsPolicyPolicyTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesPurchasedOptionsPricePolicy" xlink:label="us-gaap_AvailableForSaleSecuritiesPurchasedOptionsPricePolicy"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtPolicyTextBlock" xlink:label="us-gaap_DebtPolicyTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="us-gaap_IncomeTaxPolicyTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingPolicyPolicyTextBlock" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskCreditRisk" xlink:label="us-gaap_ConcentrationRiskCreditRisk"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_UseOfEstimates" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_CashAndCashEquivalentsPolicyTextBlock" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_FairValueOfFinancialInstrumentsPolicy" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentImpairment" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_ResearchAndDevelopmentExpensePolicy" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_InProcessResearchAndDevelopmentPolicy" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="pstv_WarrantsPolicyPolicyTextBlock" order="9" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_AvailableForSaleSecuritiesPurchasedOptionsPricePolicy" order="10" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_DebtPolicyTextBlock" order="11" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_IncomeTaxPolicyTextBlock" order="12" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" order="13" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_SegmentReportingPolicyPolicyTextBlock" order="14" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_EarningsPerSharePolicyTextBlock" order="15" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_ConcentrationRiskCreditRisk" order="16" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" order="17" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsTables" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="us-gaap_FairValueDisclosuresAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueDisclosuresAbstract" xlink:to="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueDisclosuresAbstract" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueDisclosuresAbstract" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureLossPerShareTables" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="us-gaap_EarningsPerShareAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsTables" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:label="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfOtherCurrentAssetsTableTextBlock" xlink:label="us-gaap_ScheduleOfOtherCurrentAssetsTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:to="us-gaap_ScheduleOfOtherCurrentAssetsTableTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentTextBlock" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:to="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:to="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:to="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesTables" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ScheduleOfRightOfUseAssetsAndLeaseLiabilitiesTableTextBlock" xlink:label="pstv_ScheduleOfRightOfUseAssetsAndLeaseLiabilitiesTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseCostTableTextBlock" xlink:label="us-gaap_LeaseCostTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ScheduleOfOperatingAndFinancingLeaseLiabilityMaturityTableTextBlock" xlink:label="pstv_ScheduleOfOperatingAndFinancingLeaseLiabilityMaturityTableTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="pstv_ScheduleOfRightOfUseAssetsAndLeaseLiabilitiesTableTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_LeaseCostTableTextBlock" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="pstv_ScheduleOfOperatingAndFinancingLeaseLiabilityMaturityTableTextBlock" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureTermLoanObligationsTables" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="us-gaap_DebtDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock" xlink:label="srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfDebtTableTextBlock" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_ScheduleOfDebtInstrumentsTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_ScheduleOfDebtTableTextBlock" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesTables" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="us-gaap_IncomeTaxDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock" xlink:label="us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxDisclosureAbstract" xlink:to="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxDisclosureAbstract" xlink:to="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxDisclosureAbstract" xlink:to="us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationTables" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock" xlink:label="us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationTables" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingAbstract" xlink:label="us-gaap_SegmentReportingAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingAbstract" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureOrganizationAndOperationsAdditionalInformationDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LinesOfCreditCurrent" xlink:label="us-gaap_LinesOfCreditCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShortTermInvestments" xlink:label="us-gaap_ShortTermInvestments"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MaintainMinimumMarketValueOfListedSecurities" xlink:label="pstv_MaintainMinimumMarketValueOfListedSecurities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="us-gaap_IncomeLossFromContinuingOperations"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="us-gaap_NetIncomeLoss" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="us-gaap_LinesOfCreditCurrent" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="us-gaap_ShortTermInvestments" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="us-gaap_StockIssuedDuringPeriodValueNewIssues" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="pstv_MaintainMinimumMarketValueOfListedSecurities" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="us-gaap_IncomeLossFromContinuingOperations" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember" xlink:label="srt_RangeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="us-gaap_TypeOfAdoptionMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountingStandardsUpdate202307Member" xlink:label="us-gaap_AccountingStandardsUpdate202307Member"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:label="pstv_SummaryOfSignificantAccountingPoliciesLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SummaryOfSignificantAccountingPoliciesTable" xlink:label="pstv_SummaryOfSignificantAccountingPoliciesTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InProcessResearchAndDevelopmentMember" xlink:label="us-gaap_InProcessResearchAndDevelopmentMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="us-gaap_AccountingPoliciesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AccountingStandardsUpdate202403Member" xlink:label="pstv_AccountingStandardsUpdate202403Member"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetImpairmentCharges" xlink:label="us-gaap_AssetImpairmentCharges"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NumberOfReportingUnits" xlink:label="us-gaap_NumberOfReportingUnits"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense" xlink:label="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NumberOfOperatingSegments" xlink:label="us-gaap_NumberOfOperatingSegments"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MinimumMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TypeOfAdoptionMember" xlink:to="us-gaap_AccountingStandardsUpdate202307Member" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:to="us-gaap_TypeOfAdoptionMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesTable" xlink:to="srt_RangeAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_InProcessResearchAndDevelopmentMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="pstv_SummaryOfSignificantAccountingPoliciesTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TypeOfAdoptionMember" xlink:to="pstv_AccountingStandardsUpdate202403Member" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_ImpairmentOfLongLivedAssetsHeldForUse" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesTable" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_StockholdersEquity" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesTable" xlink:to="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_AssetImpairmentCharges" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesTable" xlink:to="pstv_SummaryOfSignificantAccountingPoliciesLineItems" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_NumberOfReportingUnits" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_NumberOfOperatingSegments" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate" order="9" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect" order="10" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="us-gaap_MoneyMarketFundsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAxis" xlink:label="us-gaap_CashAndCashEquivalentsAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="us-gaap_FairValueDisclosuresAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="us-gaap_FairValueInputsLevel1Member"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="us-gaap_FairValueMeasurementsRecurringMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_USTreasurySecuritiesMember" xlink:label="us-gaap_USTreasurySecuritiesMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentsFairValueDisclosure" xlink:label="us-gaap_InvestmentsFairValueDisclosure"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember" xlink:label="us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="us-gaap_FairValueInputsLevel3Member"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="us-gaap_AssetsFairValueDisclosure"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_FairValueByMeasurementFrequencyAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:to="us-gaap_MoneyMarketFundsMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CashAndCashEquivalentsAxis" xlink:to="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueDisclosuresAbstract" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueInputsLevel1Member" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_CashAndCashEquivalentsFairValueDisclosure" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueByMeasurementFrequencyAxis" xlink:to="us-gaap_FairValueMeasurementFrequencyDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueMeasurementFrequencyDomain" xlink:to="us-gaap_FairValueMeasurementsRecurringMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_FairValueByFairValueHierarchyLevelAxis" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:to="us-gaap_USTreasurySecuritiesMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueInputsLevel2Member" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_InvestmentsFairValueDisclosure" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_CashAndCashEquivalentsAxis" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:to="us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueInputsLevel3Member" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_AssetsFairValueDisclosure" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WarrantsAndRightsOutstandingTerm" xlink:label="us-gaap_WarrantsAndRightsOutstandingTerm"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByLiabilityClassAxis" xlink:label="us-gaap_FairValueByLiabilityClassAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputTypeDomain" xlink:label="us-gaap_MeasurementInputTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputExpectedTermMember" xlink:label="us-gaap_MeasurementInputExpectedTermMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember" xlink:label="srt_RangeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="us-gaap_FairValueDisclosuresAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputTypeAxis" xlink:label="us-gaap_MeasurementInputTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_WarrantLiabilityMember" xlink:label="pstv_WarrantLiabilityMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WarrantsAndRightsOutstandingMeasurementInput" xlink:label="us-gaap_WarrantsAndRightsOutstandingMeasurementInput"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MeasurementInputCommonStockMarketPriceMember" xlink:label="pstv_MeasurementInputCommonStockMarketPriceMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputRiskFreeInterestRateMember" xlink:label="us-gaap_MeasurementInputRiskFreeInterestRateMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputPriceVolatilityMember" xlink:label="us-gaap_MeasurementInputPriceVolatilityMember"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xlink:to="us-gaap_WarrantsAndRightsOutstandingTerm" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:to="us-gaap_FairValueByLiabilityClassAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueByLiabilityClassAxis" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_MeasurementInputTypeDomain" xlink:to="us-gaap_MeasurementInputExpectedTermMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MinimumMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueDisclosuresAbstract" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_MeasurementInputTypeAxis" xlink:to="us-gaap_MeasurementInputTypeDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:to="pstv_WarrantLiabilityMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xlink:to="us-gaap_WarrantsAndRightsOutstandingMeasurementInput" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:to="us-gaap_MeasurementInputTypeAxis" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_MeasurementInputTypeDomain" xlink:to="pstv_MeasurementInputCommonStockMarketPriceMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:to="srt_RangeAxis" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_MeasurementInputTypeDomain" xlink:to="us-gaap_MeasurementInputRiskFreeInterestRateMember" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_MeasurementInputTypeDomain" xlink:to="us-gaap_MeasurementInputPriceVolatilityMember" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangeInFairValueOfWarrantLiabilitiesDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByLiabilityClassAxis" xlink:label="us-gaap_FairValueByLiabilityClassAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="us-gaap_FairValueDisclosuresAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_WarrantLiabilityMember" xlink:label="pstv_WarrantLiabilityMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassificationToEquity" xlink:label="pstv_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassificationToEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_4"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:to="us-gaap_FairValueByLiabilityClassAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueByLiabilityClassAxis" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueDisclosuresAbstract" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:to="pstv_WarrantLiabilityMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:to="pstv_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassificationToEquity" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_4" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="us-gaap_FairValueDisclosuresAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetImpairmentCharges" xlink:label="us-gaap_AssetImpairmentCharges"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueDisclosuresAbstract" xlink:to="us-gaap_AssetImpairmentCharges" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureInvestmentsAdditionalInformationDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Investments" xlink:label="us-gaap_Investments"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleTable" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember" xlink:label="srt_RangeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CashDeposits" xlink:label="pstv_CashDeposits"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_Available-For-SalesAndShort-TermInvestmentsDateOfPurchaseTerm" xlink:label="pstv_Available-For-SalesAndShort-TermInvestmentsDateOfPurchaseTerm"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_Investments" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:to="us-gaap_DebtSecuritiesAvailableForSaleTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtSecuritiesAvailableForSaleTable" xlink:to="srt_RangeAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="pstv_CashDeposits" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtSecuritiesAvailableForSaleTable" xlink:to="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="pstv_Available-For-SalesAndShort-TermInvestmentsDateOfPurchaseTerm" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareOfCommonStockDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="us-gaap_EarningsPerShareAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:label="us-gaap_EarningsPerShareBasicAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ChangeInFairValueOfWarrants" xlink:label="pstv_ChangeInFairValueOfWarrants"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="us-gaap_EarningsPerShareBasicAbstract" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareBasicAbstract" xlink:to="us-gaap_NetIncomeLoss" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareBasicAbstract" xlink:to="pstv_ChangeInFairValueOfWarrants" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareBasicAbstract" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareBasicAbstract" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareBasicAbstract" xlink:to="us-gaap_EarningsPerShareBasic" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareBasicAbstract" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareBasicAbstract" xlink:to="us-gaap_EarningsPerShareDiluted" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfAntidilutiveSecuritiesExcludedFromDilutedLossPerShareDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_OptionsMember" xlink:label="pstv_OptionsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="us-gaap_EarningsPerShareAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockMember" xlink:label="us-gaap_PreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WarrantMember" xlink:label="us-gaap_WarrantMember"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_EquityComponentDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="pstv_OptionsMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:to="us-gaap_StatementEquityComponentsAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_PreferredStockMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_WarrantMember" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsOtherCurrentAssetsDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherPrepaidExpenseCurrent" xlink:label="us-gaap_OtherPrepaidExpenseCurrent"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:label="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherDeferredCostsNet" xlink:label="us-gaap_OtherDeferredCostsNet"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrepaidInsurance" xlink:label="us-gaap_PrepaidInsurance"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_Other" xlink:label="pstv_Other"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsCurrent" xlink:label="us-gaap_OtherAssetsCurrent"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract" xlink:to="us-gaap_OtherPrepaidExpenseCurrent" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:to="us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract" xlink:to="us-gaap_OtherDeferredCostsNet" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract" xlink:to="us-gaap_PrepaidInsurance" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract" xlink:to="pstv_Other" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract" xlink:to="us-gaap_OtherAssetsCurrent" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentNetDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:label="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_OfficeAndComputerEquipmentGross" xlink:label="pstv_OfficeAndComputerEquipmentGross"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseholdImprovementsGross" xlink:label="us-gaap_LeaseholdImprovementsGross"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="us-gaap_PropertyPlantAndEquipmentGross"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentNetAbstract" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:to="pstv_OfficeAndComputerEquipmentGross" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:to="us-gaap_LeaseholdImprovementsGross" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentGross" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentNet" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAdditionalInformationDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:label="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Depreciation" xlink:label="us-gaap_Depreciation"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="us-gaap_AmortizationOfIntangibleAssets"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:to="us-gaap_Depreciation" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:to="us-gaap_AmortizationOfIntangibleAssets" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsIntangibleAssetsNetDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComputerSoftwareIntangibleAssetMember" xlink:label="us-gaap_ComputerSoftwareIntangibleAssetMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:label="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntellectualPropertyMember" xlink:label="us-gaap_IntellectualPropertyMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_ComputerSoftwareIntangibleAssetMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsGross" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:to="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="us-gaap_FiniteLivedIntangibleAssetsLineItems" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_IntellectualPropertyMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNet" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsFutureAmortizationExpenseOnIntangibleAssetsDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:label="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:label="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:to="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNet" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:label="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableCurrent" xlink:label="us-gaap_AccountsPayableCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedBonusesCurrent" xlink:label="us-gaap_AccruedBonusesCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedProfessionalFeesCurrent" xlink:label="us-gaap_AccruedProfessionalFeesCurrent"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AccruedVacationAndCompensationCurrent" xlink:label="pstv_AccruedVacationAndCompensationCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiability" xlink:label="us-gaap_FinanceLeaseLiability"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AccruedResearchAndDevelopmentStudies" xlink:label="pstv_AccruedResearchAndDevelopmentStudies"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestPayableCurrent" xlink:label="us-gaap_InterestPayableCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList" xlink:label="us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="us-gaap_OtherLiabilitiesCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract" xlink:to="us-gaap_AccountsPayableCurrent" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract" xlink:to="us-gaap_AccruedBonusesCurrent" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract" xlink:to="us-gaap_AccruedProfessionalFeesCurrent" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract" xlink:to="pstv_AccruedVacationAndCompensationCurrent" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract" xlink:to="us-gaap_FinanceLeaseLiability" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract" xlink:to="pstv_AccruedResearchAndDevelopmentStudies" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract" xlink:to="us-gaap_InterestPayableCurrent" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract" xlink:to="us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract" xlink:to="us-gaap_OtherLiabilitiesCurrent" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" order="9" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ManufacturingAgreementWithSpectronRXMember" xlink:label="pstv_ManufacturingAgreementWithSpectronRXMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RecordedUnconditionalPurchaseObligationCategoryDomain" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationCategoryDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationLineItems"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_OperatingLeasesExpiryYear" xlink:label="pstv_OperatingLeasesExpiryYear"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="us-gaap_TypeOfArrangementAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CharlottesvilleMember" xlink:label="pstv_CharlottesvilleMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PreClinicalResearchStudyObligationsMember" xlink:label="pstv_PreClinicalResearchStudyObligationsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_LitigationCaseTypeDomain" xlink:label="srt_LitigationCaseTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_LoremVascularPteLtdMember" xlink:label="pstv_LoremVascularPteLtdMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RecordedUnconditionalPurchaseObligationTable" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_LitigationCaseAxis" xlink:label="srt_LitigationCaseAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseTermOfContract" xlink:label="us-gaap_LesseeOperatingLeaseTermOfContract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend" xlink:label="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseOptionToExtend" xlink:label="us-gaap_LesseeOperatingLeaseOptionToExtend"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseRenewalTerm" xlink:label="us-gaap_LesseeOperatingLeaseRenewalTerm"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiability" xlink:label="us-gaap_OperatingLeaseLiability"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseDiscountRate" xlink:label="us-gaap_LesseeOperatingLeaseDiscountRate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseExpense" xlink:label="us-gaap_OperatingLeaseExpense"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_InitialCommitmentFee" xlink:label="pstv_InitialCommitmentFee"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractualObligation" xlink:label="us-gaap_ContractualObligation"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="pstv_ManufacturingAgreementWithSpectronRXMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:to="us-gaap_RecordedUnconditionalPurchaseObligationCategoryDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="pstv_OperatingLeasesExpiryYear" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TypeOfArrangementAxis" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="pstv_CharlottesvilleMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationCategoryDomain" xlink:to="pstv_PreClinicalResearchStudyObligationsMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_LitigationCaseTypeDomain" xlink:to="pstv_LoremVascularPteLtdMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationTable" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_LitigationCaseAxis" xlink:to="srt_LitigationCaseTypeDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_RecordedUnconditionalPurchaseObligationTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_LesseeOperatingLeaseTermOfContract" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationTable" xlink:to="us-gaap_TypeOfArrangementAxis" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationTable" xlink:to="us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_LesseeOperatingLeaseOptionToExtend" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationTable" xlink:to="srt_LitigationCaseAxis" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_LesseeOperatingLeaseRenewalTerm" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationTable" xlink:to="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_OperatingLeaseLiability" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_LesseeOperatingLeaseDiscountRate" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_OperatingLeaseRightOfUseAsset" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" order="9" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_OperatingLeaseExpense" order="10" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="pstv_InitialCommitmentFee" order="11" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_ContractualObligation" order="12" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfLeaseCostsDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseCostAbstract" xlink:label="us-gaap_LeaseCostAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseCost" xlink:label="us-gaap_OperatingLeaseCost"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CashPaymentInformationAbstract" xlink:label="pstv_CashPaymentInformationAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeasePayments" xlink:label="us-gaap_OperatingLeasePayments"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseCost" xlink:label="us-gaap_LeaseCost"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities" xlink:label="pstv_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeaseCostAbstract" xlink:to="us-gaap_OperatingLeaseCost" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_CashPaymentInformationAbstract" xlink:to="us-gaap_OperatingLeasePayments" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_LeaseCostAbstract" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeaseCostAbstract" xlink:to="us-gaap_LeaseCost" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_CashPaymentInformationAbstract" xlink:to="pstv_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="pstv_CashPaymentInformationAbstract" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:label="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" xlink:label="pstv_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiability" xlink:label="us-gaap_OperatingLeaseLiability"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="pstv_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_OperatingLeaseLiability" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_OperatingLeaseLiabilityCurrent" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_OperatingLeaseLiabilityNoncurrent" order="9" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreementsAdditionalInformationDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharesIssued" xlink:label="us-gaap_SharesIssued"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_LicenseAgreementAbstract" xlink:label="pstv_LicenseAgreementAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain" xlink:label="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_BioceptAgreementMember" xlink:label="pstv_BioceptAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis" xlink:label="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NanoTxLicensesAgreementMember" xlink:label="pstv_NanoTxLicensesAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForRoyalties" xlink:label="us-gaap_PaymentsForRoyalties"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageOfNonDilutiveMonetaryAwardsRequiredToPay" xlink:label="pstv_PercentageOfNonDilutiveMonetaryAwardsRequiredToPay"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AccruedLicensePayable" xlink:label="pstv_AccruedLicensePayable"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SharesIssued" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_LicenseAgreementAbstract" xlink:to="us-gaap_StatementTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain" xlink:to="pstv_BioceptAgreementMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis" xlink:to="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ResearchAndDevelopmentExpense" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain" xlink:to="pstv_NanoTxLicensesAgreementMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PaymentsForRoyalties" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CommonStockValue" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="pstv_PercentageOfNonDilutiveMonetaryAwardsRequiredToPay" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="pstv_AccruedLicensePayable" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureTermLoanObligationsAdditionalInformationDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentOfferingDate1" xlink:label="us-gaap_DebtInstrumentOfferingDate1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TermLoanMember" xlink:label="pstv_TermLoanMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="us-gaap_DebtDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="us-gaap_DebtInstrumentMaturityDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFeeAmount" xlink:label="us-gaap_DebtInstrumentFeeAmount"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentOfferingDate1" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="pstv_TermLoanMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_DebtInstrumentTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentFaceAmount" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentLineItems" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentNameDomain" order="2.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentMaturityDate" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentFeeAmount" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacilityAdditionalInformationDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableRateDomain" xlink:label="us-gaap_VariableRateDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrimeRateMember" xlink:label="us-gaap_PrimeRateMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="us-gaap_LineOfCreditFacilityLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCredit" xlink:label="us-gaap_LineOfCredit"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain" xlink:label="us-gaap_CreditFacilityDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PershingCreditFacilityMember" xlink:label="pstv_PershingCreditFacilityMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableRateAxis" xlink:label="us-gaap_VariableRateAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="us-gaap_LineOfCreditFacilityTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityAxis" xlink:label="us-gaap_CreditFacilityAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityAbstract" xlink:label="us-gaap_LineOfCreditFacilityAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageOfCreditFacilityCannotExceedCollateralizedMarketableSecurities" xlink:label="pstv_PercentageOfCreditFacilityCannotExceedCollateralizedMarketableSecurities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MarketableSecurities" xlink:label="us-gaap_MarketableSecurities"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_DebtInstrumentFloorRate" xlink:label="pstv_DebtInstrumentFloorRate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeePercentage"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_VariableRateDomain" xlink:to="us-gaap_PrimeRateMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_LineOfCredit" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CreditFacilityDomain" xlink:to="pstv_PershingCreditFacilityMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_VariableRateAxis" xlink:to="us-gaap_VariableRateDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityTable" xlink:to="us-gaap_CreditFacilityAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityAbstract" xlink:to="us-gaap_LineOfCreditFacilityTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CreditFacilityAxis" xlink:to="us-gaap_CreditFacilityDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="pstv_PercentageOfCreditFacilityCannotExceedCollateralizedMarketableSecurities" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityTable" xlink:to="us-gaap_VariableRateAxis" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_MarketableSecurities" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityTable" xlink:to="us-gaap_LineOfCreditFacilityLineItems" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="pstv_DebtInstrumentFloorRate" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_LineOfCreditFacilityCommitmentFeePercentage" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis" xlink:label="srt_ProductOrServiceAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain" xlink:label="srt_ProductsAndServicesDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CancerPreventionAndResearchInstituteOfTexasContractMember" xlink:label="pstv_CancerPreventionAndResearchInstituteOfTexasContractMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrantMember" xlink:label="us-gaap_GrantMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="us-gaap_TypeOfArrangementAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerAbstract" xlink:label="us-gaap_RevenueFromContractWithCustomerAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueLineItems" xlink:label="us-gaap_DisaggregationOfRevenueLineItems"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MaximumGrantAmountToBeReceivedAsPerGrantContract" xlink:label="pstv_MaximumGrantAmountToBeReceivedAsPerGrantContract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CongressionallyDirectedMedicalResearchProgramsMember" xlink:label="pstv_CongressionallyDirectedMedicalResearchProgramsMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_GrantFundingTerm" xlink:label="pstv_GrantFundingTerm"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_DepartmentOfDefenseAwardMember" xlink:label="pstv_DepartmentOfDefenseAwardMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CpritGrantFundingTerm" xlink:label="pstv_CpritGrantFundingTerm"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ContractEffectiveDate" xlink:label="pstv_ContractEffectiveDate"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ContractTerminationDate" xlink:label="pstv_ContractTerminationDate"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageOfAggregateAmountOfProceedsAwardedUnderCpritGrant" xlink:label="pstv_PercentageOfAggregateAmountOfProceedsAwardedUnderCpritGrant"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageOfGrantProceedsWithInterestNotExceedAnnually" xlink:label="pstv_PercentageOfGrantProceedsWithInterestNotExceedAnnually"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrantsReceivable" xlink:label="us-gaap_GrantsReceivable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredRevenue" xlink:label="us-gaap_DeferredRevenue"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AmountToBeReceivedAsAwardForResearchAndDevelopment" xlink:label="pstv_AmountToBeReceivedAsAwardForResearchAndDevelopment"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ResearchAndDevelopmentAwardInPeriod" xlink:label="pstv_ResearchAndDevelopmentAwardInPeriod"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FirstPaymentReceived" xlink:label="pstv_FirstPaymentReceived"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_ProductOrServiceAxis" xlink:to="srt_ProductsAndServicesDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="pstv_CancerPreventionAndResearchInstituteOfTexasContractMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_ProductsAndServicesDomain" xlink:to="us-gaap_GrantMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TypeOfArrangementAxis" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_TypeOfArrangementAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueFromContractWithCustomerAbstract" xlink:to="us-gaap_StatementTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_MaximumGrantAmountToBeReceivedAsPerGrantContract" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="pstv_CongressionallyDirectedMedicalResearchProgramsMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_SubsequentEventTypeAxis" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_GrantFundingTerm" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="pstv_DepartmentOfDefenseAwardMember" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="srt_ProductOrServiceAxis" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_CpritGrantFundingTerm" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_DisaggregationOfRevenueLineItems" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_ContractEffectiveDate" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_ContractTerminationDate" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_PercentageOfAggregateAmountOfProceedsAwardedUnderCpritGrant" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_PercentageOfGrantProceedsWithInterestNotExceedAnnually" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="us-gaap_Revenues" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="us-gaap_GrantsReceivable" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="us-gaap_DeferredRevenue" order="9" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_AmountToBeReceivedAsAwardForResearchAndDevelopment" order="10" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_ResearchAndDevelopmentAwardInPeriod" order="11" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" order="12" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_FirstPaymentReceived" order="13" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureBioceptAssetAcquisitionsAdditionalInformationDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionAxis" xlink:label="us-gaap_AssetAcquisitionAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionDomain" xlink:label="us-gaap_AssetAcquisitionDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionAbstract" xlink:label="us-gaap_AssetAcquisitionAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionTable" xlink:label="us-gaap_AssetAcquisitionTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionLineItems" xlink:label="us-gaap_AssetAcquisitionLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_BioceptAssetAcquisitionsMember" xlink:label="pstv_BioceptAssetAcquisitionsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts" xlink:label="us-gaap_BusinessCombinationAcquisitionRelatedCosts"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetAcquisitionAxis" xlink:to="us-gaap_AssetAcquisitionDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetAcquisitionAbstract" xlink:to="us-gaap_AssetAcquisitionTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetAcquisitionLineItems" xlink:to="us-gaap_PaymentsToAcquireProductiveAssets" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetAcquisitionDomain" xlink:to="pstv_BioceptAssetAcquisitionsMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetAcquisitionTable" xlink:to="us-gaap_AssetAcquisitionAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetAcquisitionLineItems" xlink:to="us-gaap_BusinessCombinationAcquisitionRelatedCosts" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetAcquisitionTable" xlink:to="us-gaap_AssetAcquisitionLineItems" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_IncomeTaxContingencyAbstract" xlink:label="pstv_IncomeTaxContingencyAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_DeferredTaxAssetsValuationAllowances" xlink:label="pstv_DeferredTaxAssetsValuationAllowances"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityNameDomain" xlink:label="us-gaap_IncomeTaxAuthorityNameDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InternalRevenueServiceIRSMember" xlink:label="us-gaap_InternalRevenueServiceIRSMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember" xlink:label="srt_RangeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_IncomeTaxesTable" xlink:label="pstv_IncomeTaxesTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="us-gaap_IncomeTaxAuthorityAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityNameAxis" xlink:label="us-gaap_IncomeTaxAuthorityNameAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="us-gaap_IncomeTaxDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="us-gaap_IncomeTaxAuthorityDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DomesticCountryMember" xlink:label="us-gaap_DomesticCountryMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_IncomeTaxesLineItems" xlink:label="pstv_IncomeTaxesLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StateAndLocalJurisdictionMember" xlink:label="us-gaap_StateAndLocalJurisdictionMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="us-gaap_OperatingLossCarryforwards"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_OperatingLossCarryforwardsExpirationDates1" xlink:label="pstv_OperatingLossCarryforwardsExpirationDates1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TaxCreditCarryforwardExpirationDate1" xlink:label="pstv_TaxCreditCarryforwardExpirationDate1"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NetOperatingLossCarryforward" xlink:label="pstv_NetOperatingLossCarryforward"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageOfNetOperatingLossCarryforwardsAvailableForOffsettingAgainstFutureTaxableIncome" xlink:label="pstv_PercentageOfNetOperatingLossCarryforwardsAvailableForOffsettingAgainstFutureTaxableIncome"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CumulativeChangeInOwnership" xlink:label="pstv_CumulativeChangeInOwnership"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NetOperatingLossAndResearchAndDevelopmentTaxCreditCarryForwardsToOffsetFutureTaxableIncomePeriod" xlink:label="pstv_NetOperatingLossAndResearchAndDevelopmentTaxCreditCarryForwardsToOffsetFutureTaxableIncomePeriod"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilityForUncertainTaxPositionsCurrent" xlink:label="us-gaap_LiabilityForUncertainTaxPositionsCurrent"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PeriodForMaterialChangesOfLiabilityForUncertainTaxBenefits" xlink:label="pstv_PeriodForMaterialChangesOfLiabilityForUncertainTaxBenefits"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxContingencyAbstract" xlink:to="pstv_DeferredTaxAssetsValuationAllowances" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxAuthorityNameDomain" xlink:to="us-gaap_InternalRevenueServiceIRSMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxesTable" xlink:to="us-gaap_IncomeTaxAuthorityAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxAuthorityNameAxis" xlink:to="us-gaap_IncomeTaxAuthorityNameDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxDisclosureAbstract" xlink:to="pstv_IncomeTaxesTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxAuthorityAxis" xlink:to="us-gaap_IncomeTaxAuthorityDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="us-gaap_DomesticCountryMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="us-gaap_IncomeTaxExpenseBenefit" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxContingencyAbstract" xlink:to="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MinimumMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxesTable" xlink:to="srt_RangeAxis" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="us-gaap_StateAndLocalJurisdictionMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="pstv_IncomeTaxContingencyAbstract" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxesTable" xlink:to="us-gaap_IncomeTaxAuthorityNameAxis" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="us-gaap_OperatingLossCarryforwards" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxesTable" xlink:to="pstv_IncomeTaxesLineItems" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="pstv_OperatingLossCarryforwardsExpirationDates1" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="pstv_TaxCreditCarryforwardExpirationDate1" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="pstv_NetOperatingLossCarryforward" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="pstv_PercentageOfNetOperatingLossCarryforwardsAvailableForOffsettingAgainstFutureTaxableIncome" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="pstv_CumulativeChangeInOwnership" order="9" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="pstv_NetOperatingLossAndResearchAndDevelopmentTaxCreditCarryForwardsToOffsetFutureTaxableIncomePeriod" order="10" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="us-gaap_LiabilityForUncertainTaxPositionsCurrent" order="11" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="pstv_PeriodForMaterialChangesOfLiabilityForUncertainTaxBenefits" order="12" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" order="13" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="us-gaap_IncomeTaxDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_EffectiveIncomeTaxRateReconciliationWarrants" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationWarrants"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_EffectiveIncomeTaxRateReconciliationFinancingExpense" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationFinancingExpense"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_EffectiveIncomeTaxRateReconciliationMarkToMarket" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationMarkToMarket"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_EffectiveIncomeTaxRateReconciliationNetOperatingLossExpiration" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationNetOperatingLossExpiration"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_EffectiveIncomeTaxRateReconciliationTaxReturnToProvision" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationTaxReturnToProvision"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxDisclosureAbstract" xlink:to="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:to="pstv_EffectiveIncomeTaxRateReconciliationWarrants" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:to="pstv_EffectiveIncomeTaxRateReconciliationFinancingExpense" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:to="pstv_EffectiveIncomeTaxRateReconciliationMarkToMarket" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:to="pstv_EffectiveIncomeTaxRateReconciliationNetOperatingLossExpiration" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:to="pstv_EffectiveIncomeTaxRateReconciliationTaxReturnToProvision" order="9" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent" order="10" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:to="us-gaap_EffectiveIncomeTaxRateContinuingOperations" order="11" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilitiesOther" xlink:label="us-gaap_DeferredTaxLiabilitiesOther"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="us-gaap_IncomeTaxDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="us-gaap_DeferredIncomeTaxLiabilities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilities" xlink:label="us-gaap_DeferredTaxLiabilities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwards" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment" xlink:label="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets" xlink:label="us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment" xlink:label="us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="us-gaap_DeferredTaxAssetsOther"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="us-gaap_DeferredTaxAssetsGross"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="us-gaap_DeferredTaxAssetsNet"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:to="us-gaap_DeferredTaxLiabilitiesOther" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxDisclosureAbstract" xlink:to="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:to="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:to="us-gaap_DeferredIncomeTaxLiabilities" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedTotalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:to="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:to="us-gaap_DeferredTaxLiabilities" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsOther" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsGross" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsValuationAllowance" order="9" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsNet" order="10" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesUnrecognizedTaxBenefitsActivityDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:label="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="us-gaap_UnrecognizedTaxBenefits"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="us-gaap_IncomeTaxDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="us-gaap_UnrecognizedTaxBenefits_3"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:to="us-gaap_UnrecognizedTaxBenefits" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxDisclosureAbstract" xlink:to="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:to="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:to="us-gaap_UnrecognizedTaxBenefits_3" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureEmployeeBenefitPlanAdditionalInformationDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember" xlink:label="srt_RangeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedContributionPlanDisclosureLineItems" xlink:label="us-gaap_DefinedContributionPlanDisclosureLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:label="us-gaap_CompensationAndRetirementDisclosureAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedContributionPlanTable" xlink:label="us-gaap_DefinedContributionPlanTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount" xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MinimumMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DefinedContributionPlanDisclosureLineItems" xlink:to="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:to="us-gaap_DefinedContributionPlanTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DefinedContributionPlanTable" xlink:to="srt_RangeAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DefinedContributionPlanDisclosureLineItems" xlink:to="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DefinedContributionPlanTable" xlink:to="us-gaap_DefinedContributionPlanDisclosureLineItems" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="us-gaap_ScheduleOfStockByClassTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="us-gaap_ClassOfWarrantOrRightAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="us-gaap_ClassOfWarrantOrRightDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SubscriptionAgreementMember" xlink:label="pstv_SubscriptionAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesFConvertiblePreferredStockMember" xlink:label="pstv_SeriesFConvertiblePreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="us-gaap_StockholdersEquityNoteAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockLineItems" xlink:label="us-gaap_ClassOfStockLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="us-gaap_PreferredStockSharesAuthorized"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TwoThousandEighteenRightsOfferingMember" xlink:label="pstv_TwoThousandEighteenRightsOfferingMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesAConvertiblePreferredStockMember" xlink:label="pstv_SeriesAConvertiblePreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesBConvertiblePreferredStockMember" xlink:label="pstv_SeriesBConvertiblePreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NumberOfVotesPerShare" xlink:label="pstv_NumberOfVotesPerShare"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesCConvertiblePreferredStockMember" xlink:label="pstv_SeriesCConvertiblePreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockConsiderationReceivedOnTransaction" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockTransactionDate" xlink:label="us-gaap_SaleOfStockTransactionDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockVotingRights" xlink:label="us-gaap_PreferredStockVotingRights"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_RightsRelatedToDistributionOfAssets" xlink:label="pstv_RightsRelatedToDistributionOfAssets"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ConsiderationPaidToPreferredStockHolders" xlink:label="pstv_ConsiderationPaidToPreferredStockHolders"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="us-gaap_PreferredStockSharesOutstanding"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockDividendRatePercentage" xlink:label="us-gaap_PreferredStockDividendRatePercentage"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PreferredStockDividendRatePercentageEliminatedDate" xlink:label="pstv_PreferredStockDividendRatePercentageEliminatedDate"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NumberOfPreferredStockSharesExercised" xlink:label="pstv_NumberOfPreferredStockSharesExercised"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_StatementClassOfStockAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightAxis" xlink:to="us-gaap_ClassOfWarrantOrRightDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="pstv_SubscriptionAgreementMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="pstv_SeriesFConvertiblePreferredStockMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsidiarySaleOfStockAxis" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityNoteAbstract" xlink:to="us-gaap_ScheduleOfStockByClassTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_PreferredStockSharesAuthorized" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="pstv_TwoThousandEighteenRightsOfferingMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_ClassOfWarrantOrRightAxis" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="pstv_SeriesAConvertiblePreferredStockMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_SubsidiarySaleOfStockAxis" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="pstv_SeriesBConvertiblePreferredStockMember" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_NumberOfVotesPerShare" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" order="2.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_ClassOfStockLineItems" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="pstv_SeriesCConvertiblePreferredStockMember" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_SaleOfStockConsiderationReceivedOnTransaction" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_SaleOfStockTransactionDate" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_PreferredStockVotingRights" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_RightsRelatedToDistributionOfAssets" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_ConsiderationPaidToPreferredStockHolders" order="9" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_PreferredStockSharesOutstanding" order="10" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_PreferredStockDividendRatePercentage" order="11" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_PreferredStockDividendRatePercentageEliminatedDate" order="12" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_NumberOfPreferredStockSharesExercised" order="13" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="us-gaap_ScheduleOfStockByClassTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTypeAxis" xlink:label="us-gaap_InvestmentTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="us-gaap_ClassOfWarrantOrRightAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="us-gaap_ClassOfWarrantOrRightDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AtTheMarketOfferingProgramMember" xlink:label="pstv_AtTheMarketOfferingProgramMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="us-gaap_InvestmentTypeCategorizationMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_LincolnParkCapitalFundLLCMember" xlink:label="pstv_LincolnParkCapitalFundLLCMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember" xlink:label="srt_RangeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CommitmentFeeMember" xlink:label="pstv_CommitmentFeeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SingleStockFutureMember" xlink:label="us-gaap_SingleStockFutureMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_May2024PrivatePlacementMember" xlink:label="pstv_May2024PrivatePlacementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="us-gaap_StockholdersEquityNoteAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockLineItems" xlink:label="us-gaap_ClassOfStockLineItems"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MaximumValueOfSharesToBeIssuedUnderAgreement" xlink:label="pstv_MaximumValueOfSharesToBeIssuedUnderAgreement"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis" xlink:label="us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DistributionTypeDomain" xlink:label="us-gaap_DistributionTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_InitialSubscriptionMember" xlink:label="pstv_InitialSubscriptionMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="us-gaap_FinancialInstrumentAxis"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesAWarrantMember" xlink:label="pstv_SeriesAWarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SecuritiesPurchaseAgreementMember" xlink:label="pstv_SecuritiesPurchaseAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CanaccordGenuityLLCMember" xlink:label="pstv_CanaccordGenuityLLCMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TwentyTwentyRepurchaseAgreementMember" xlink:label="pstv_TwentyTwentyRepurchaseAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AdditionalSubscriptionMember" xlink:label="pstv_AdditionalSubscriptionMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesBWarrantMember" xlink:label="pstv_SeriesBWarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PrivatePlacementAndPrefundedWarrantMember" xlink:label="pstv_PrivatePlacementAndPrefundedWarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SalesAgreementMember" xlink:label="pstv_SalesAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesAWarrantAndSeriesBWarrantMember" xlink:label="pstv_SeriesAWarrantAndSeriesBWarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AmendmentAndRestatementsMay2024PrivatePlacementMember" xlink:label="pstv_AmendmentAndRestatementsMay2024PrivatePlacementMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TwoThousandAndTwentyTwoPurchaseAgreementMember" xlink:label="pstv_TwoThousandAndTwentyTwoPurchaseAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PreFundedWarrantsMember" xlink:label="pstv_PreFundedWarrantsMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TwentyTwentyPurchaseAgreementMember" xlink:label="pstv_TwentyTwentyPurchaseAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PurchasePriceOfShare" xlink:label="pstv_PurchasePriceOfShare"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeptemberTwoThousandAndTwentyTwoDistributionAgreementMember" xlink:label="pstv_SeptemberTwoThousandAndTwentyTwoDistributionAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharePrice" xlink:label="us-gaap_SharePrice"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TwoThousandTwentyTwoDistributionAgreementMember" xlink:label="pstv_TwoThousandTwentyTwoDistributionAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_RestrictedBeneficialOwnershipLevelResultOfExerciseOfWarrantToReceivePreFundedWarrant" xlink:label="pstv_RestrictedBeneficialOwnershipLevelResultOfExerciseOfWarrantToReceivePreFundedWarrant"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_JanuaryTwoThousandAndTwentyTwoDistributionAgreementMember" xlink:label="pstv_JanuaryTwoThousandAndTwentyTwoDistributionAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_DistributionAgreementMember" xlink:label="pstv_DistributionAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_OfferingCosts" xlink:label="pstv_OfferingCosts"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfWarrants" xlink:label="us-gaap_ProceedsFromIssuanceOfWarrants"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FinancingExpense" xlink:label="pstv_FinancingExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAdjustmentOfWarrants" xlink:label="us-gaap_FairValueAdjustmentOfWarrants"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FairValueOfWarrantLiabilityReclassifiedToEquity" xlink:label="pstv_FairValueOfWarrantLiabilityReclassifiedToEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PeriodExercisableFromTheDateOfIssuance" xlink:label="pstv_PeriodExercisableFromTheDateOfIssuance"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NumberOfMaximumCommonSharesCanBeResale" xlink:label="pstv_NumberOfMaximumCommonSharesCanBeResale"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:label="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_InitialCommitmentShares" xlink:label="pstv_InitialCommitmentShares"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_InitialCommitmentFee" xlink:label="pstv_InitialCommitmentFee"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageIssuanceOfCommonStock" xlink:label="pstv_PercentageIssuanceOfCommonStock"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_GrossProceedsFromIssuanceOfCommonStock" xlink:label="pstv_GrossProceedsFromIssuanceOfCommonStock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharesIssued" xlink:label="us-gaap_SharesIssued"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AggregateExpenseIncludingFeeAndDisbursementExpenses" xlink:label="pstv_AggregateExpenseIncludingFeeAndDisbursementExpenses"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageOfCommissionOnGrossProceedsFromSaleOfCommonStock" xlink:label="pstv_PercentageOfCommissionOnGrossProceedsFromSaleOfCommonStock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_StockRepurchaseProgramAuthorizedAmount1" xlink:label="srt_StockRepurchaseProgramAuthorizedAmount1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRepurchasedDuringPeriodShares" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CommonStockSalesAvailableForIssuance" xlink:label="pstv_CommonStockSalesAvailableForIssuance"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockValue" xlink:label="us-gaap_TreasuryStockValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1" xlink:label="us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_InvestmentTypeAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightAxis" xlink:to="us-gaap_ClassOfWarrantOrRightDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="pstv_AtTheMarketOfferingProgramMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InvestmentTypeAxis" xlink:to="us-gaap_InvestmentTypeCategorizationMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityDomain" xlink:to="pstv_LincolnParkCapitalFundLLCMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_EquityComponentDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_CommonStockMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MinimumMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="pstv_CommitmentFeeMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="us-gaap_SingleStockFutureMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsidiarySaleOfStockAxis" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_May2024PrivatePlacementMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityNoteAbstract" xlink:to="us-gaap_ScheduleOfStockByClassTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_MaximumValueOfSharesToBeIssuedUnderAgreement" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis" xlink:to="us-gaap_DistributionTypeDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DistributionTypeDomain" xlink:to="pstv_InitialSubscriptionMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FinancialInstrumentAxis" xlink:to="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="pstv_SeriesAWarrantMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="dei_LegalEntityAxis" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="pstv_SecuritiesPurchaseAgreementMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityDomain" xlink:to="pstv_CanaccordGenuityLLCMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_TwentyTwentyRepurchaseAgreementMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DistributionTypeDomain" xlink:to="pstv_AdditionalSubscriptionMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="pstv_SeriesBWarrantMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_StatementEquityComponentsAxis" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="pstv_PrivatePlacementAndPrefundedWarrantMember" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_SalesAgreementMember" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" order="2.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="2.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="pstv_SeriesAWarrantAndSeriesBWarrantMember" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_ClassOfWarrantOrRightAxis" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="pstv_AmendmentAndRestatementsMay2024PrivatePlacementMember" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_TwoThousandAndTwentyTwoPurchaseAgreementMember" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="pstv_PreFundedWarrantsMember" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_TwentyTwentyPurchaseAgreementMember" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_PurchasePriceOfShare" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="srt_RangeAxis" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_SeptemberTwoThousandAndTwentyTwoDistributionAgreementMember" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_SharePrice" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_FinancialInstrumentAxis" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_TwoThousandTwentyTwoDistributionAgreementMember" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_RestrictedBeneficialOwnershipLevelResultOfExerciseOfWarrantToReceivePreFundedWarrant" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_StatementClassOfStockAxis" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_JanuaryTwoThousandAndTwentyTwoDistributionAgreementMember" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_ProceedsFromIssuanceOfPrivatePlacement" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_SubsequentEventTypeAxis" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_DistributionAgreementMember" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_OfferingCosts" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_SubsidiarySaleOfStockAxis" order="9" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_ProceedsFromIssuanceOfWarrants" order="9" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_ClassOfStockLineItems" order="10" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_FinancingExpense" order="10" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_FairValueAdjustmentOfWarrants" order="11" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" order="12" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_FairValueOfWarrantLiabilityReclassifiedToEquity" order="13" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodValueNewIssues" order="14" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_CommonStockSharesAuthorized" order="15" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_PeriodExercisableFromTheDateOfIssuance" order="16" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_NumberOfMaximumCommonSharesCanBeResale" order="17" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" order="18" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_InitialCommitmentShares" order="19" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_InitialCommitmentFee" order="20" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_PercentageIssuanceOfCommonStock" order="21" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_GrossProceedsFromIssuanceOfCommonStock" order="22" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock" order="23" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_SharesIssued" order="24" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_AggregateExpenseIncludingFeeAndDisbursementExpenses" order="25" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_PercentageOfCommissionOnGrossProceedsFromSaleOfCommonStock" order="26" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="srt_StockRepurchaseProgramAuthorizedAmount1" order="27" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_StockRepurchasedDuringPeriodShares" order="28" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_CommonStockSalesAvailableForIssuance" order="29" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_TreasuryStockValue" order="30" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1" order="31" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameDomain" xlink:label="us-gaap_PlanNameDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_StockBasedCompensation2015EquityIncentivePlan1Member" xlink:label="pstv_StockBasedCompensation2015EquityIncentivePlan1Member"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameAxis" xlink:label="us-gaap_PlanNameAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember" xlink:label="srt_RangeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_StockBasedCompensation2020EquityIncentivePlanMember" xlink:label="pstv_StockBasedCompensation2020EquityIncentivePlanMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividend" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividend"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PlanNameDomain" xlink:to="pstv_StockBasedCompensation2015EquityIncentivePlan1Member" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MinimumMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_PlanNameAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PlanNameDomain" xlink:to="pstv_StockBasedCompensation2020EquityIncentivePlanMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="srt_RangeAxis" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividend" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" xlink:label="pstv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_3"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_3"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_1" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_3" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="pstv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="pstv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_3" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationWeightedaverageAssumptionsDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationSummaryOfSharebasedCompensationRecognizedDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="us-gaap_IncomeStatementLocationAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="us-gaap_IncomeStatementLocationDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="us-gaap_ResearchAndDevelopmentExpenseMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpenseMember" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensation" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeStatementLocationAxis" xlink:to="us-gaap_IncomeStatementLocationDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_IncomeStatementLocationAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="us-gaap_ResearchAndDevelopmentExpenseMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="us-gaap_GeneralAndAdministrativeExpenseMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationAdditionalInformationDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingAbstract" xlink:label="us-gaap_SegmentReportingAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NumberOfOperatingSegments" xlink:label="us-gaap_NumberOfOperatingSegments"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingExpenseInformationUsedByCodmDescription" xlink:label="us-gaap_SegmentReportingExpenseInformationUsedByCodmDescription"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration" xlink:label="us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingExpenseInformationUsedByCodmTypeExtensibleEnumeration" xlink:label="us-gaap_SegmentReportingExpenseInformationUsedByCodmTypeExtensibleEnumeration"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingAbstract" xlink:to="us-gaap_NumberOfOperatingSegments" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingAbstract" xlink:to="us-gaap_SegmentReportingExpenseInformationUsedByCodmDescription" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingAbstract" xlink:to="us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingAbstract" xlink:to="us-gaap_SegmentReportingExpenseInformationUsedByCodmTypeExtensibleEnumeration" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationScheduleOfSegmentExpensesDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingAbstract" xlink:label="us-gaap_SegmentReportingAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="us-gaap_IncomeStatementLocationAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="us-gaap_IncomeStatementLocationDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ClinicalDevelopmentAndLicensingExpensesMember" xlink:label="pstv_ClinicalDevelopmentAndLicensingExpensesMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="us-gaap_SegmentReportingInformationLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PersonnelRelatedExpensesMember" xlink:label="pstv_PersonnelRelatedExpensesMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="us-gaap_GeneralAndAdministrativeExpense"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ProfessionalExpensesMember" xlink:label="pstv_ProfessionalExpensesMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FacilityAndOtherOverheadExpensesMember" xlink:label="pstv_FacilityAndOtherOverheadExpensesMember"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingAbstract" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeStatementLocationAxis" xlink:to="us-gaap_IncomeStatementLocationDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_IncomeStatementLocationAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="pstv_ClinicalDevelopmentAndLicensingExpensesMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_ResearchAndDevelopmentExpense" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_SegmentReportingInformationLineItems" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="pstv_PersonnelRelatedExpensesMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_GeneralAndAdministrativeExpense" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="pstv_ProfessionalExpensesMember" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="pstv_FacilityAndOtherOverheadExpensesMember" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
        </link:presentationLink>
        <link:presentationLink xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="us-gaap_ClassOfWarrantOrRightAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="us-gaap_ClassOfWarrantOrRightDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SecuritiesPurchaseAgreementMember" xlink:label="pstv_SecuritiesPurchaseAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventLineItems" xlink:label="us-gaap_SubsequentEventLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTypeAxis" xlink:label="us-gaap_InvestmentTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="us-gaap_InvestmentTypeCategorizationMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember" xlink:label="srt_RangeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SecuritiesPurchaseAndExchangeAgreementMember" xlink:label="pstv_SecuritiesPurchaseAndExchangeAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis" xlink:label="us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DistributionTypeDomain" xlink:label="us-gaap_DistributionTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NewCapitalSubscriptionsMember" xlink:label="pstv_NewCapitalSubscriptionsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTable" xlink:label="us-gaap_SubsequentEventTable"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesAWarrantMember" xlink:label="pstv_SeriesAWarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="us-gaap_SubsequentEventsAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrivatePlacementMember" xlink:label="us-gaap_PrivatePlacementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FebruaryTwoThousandTwentyFiveSecuritiesPurchaseAndExchangeAgreementsMember" xlink:label="pstv_FebruaryTwoThousandTwentyFiveSecuritiesPurchaseAndExchangeAgreementsMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ExchangeMember" xlink:label="pstv_ExchangeMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesBWarrantMember" xlink:label="pstv_SeriesBWarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PrefundedWarrantMember" xlink:label="pstv_PrefundedWarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MayTwoThousandTwentyFourPurchaseAgreementMember" xlink:label="pstv_MayTwoThousandTwentyFourPurchaseAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SPEAWarrantsMember" xlink:label="pstv_SPEAWarrantsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MarchTwoThousandTwentyFivePrivatePlacementMember" xlink:label="pstv_MarchTwoThousandTwentyFivePrivatePlacementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PurchasePriceOfShare" xlink:label="pstv_PurchasePriceOfShare"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="us-gaap_DebtInstrumentMaturityDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AggregatePurchasePrice" xlink:label="pstv_AggregatePurchasePrice"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentRedemptionPricePercentage" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentage"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WarrantExercisePriceDecrease" xlink:label="us-gaap_WarrantExercisePriceDecrease"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_WarrantsRemainOutstandingPercentage" xlink:label="pstv_WarrantsRemainOutstandingPercentage"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:label="us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ClassOfWarrantOrRightExpirationPeriod" xlink:label="pstv_ClassOfWarrantOrRightExpirationPeriod"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MaximumBeneficialOwnershipPercentage" xlink:label="pstv_MaximumBeneficialOwnershipPercentage"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MaximumBeneficialOwnershipPercentageByElectionOfHolder" xlink:label="pstv_MaximumBeneficialOwnershipPercentageByElectionOfHolder"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightAxis" xlink:to="us-gaap_ClassOfWarrantOrRightDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="pstv_SecuritiesPurchaseAgreementMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_DebtInstrumentFaceAmount" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InvestmentTypeAxis" xlink:to="us-gaap_InvestmentTypeCategorizationMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_EquityComponentDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_CommonStockMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MinimumMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsidiarySaleOfStockAxis" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_SecuritiesPurchaseAndExchangeAgreementMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis" xlink:to="us-gaap_DistributionTypeDomain" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DistributionTypeDomain" xlink:to="pstv_NewCapitalSubscriptionsMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="srt_RangeAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="pstv_SeriesAWarrantMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventsAbstract" xlink:to="us-gaap_SubsequentEventTable" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="us-gaap_PrivatePlacementMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_FebruaryTwoThousandTwentyFiveSecuritiesPurchaseAndExchangeAgreementsMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DistributionTypeDomain" xlink:to="pstv_ExchangeMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_SubsequentEventTypeAxis" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="pstv_SeriesBWarrantMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="pstv_PrefundedWarrantMember" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_MayTwoThousandTwentyFourPurchaseAgreementMember" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_InvestmentTypeAxis" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="pstv_SPEAWarrantsMember" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_MarchTwoThousandTwentyFivePrivatePlacementMember" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_StatementEquityComponentsAxis" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_ClassOfWarrantOrRightAxis" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="pstv_PurchasePriceOfShare" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_SubsidiarySaleOfStockAxis" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_DebtInstrumentMaturityDate" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentage" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_SubsequentEventLineItems" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="pstv_AggregatePurchasePrice" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock" order="9" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_DebtInstrumentConvertibleConversionPrice1" order="10" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_DebtInstrumentRedemptionPricePercentage" order="11" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_WarrantExercisePriceDecrease" order="12" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="pstv_WarrantsRemainOutstandingPercentage" order="13" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction" order="14" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_ProceedsFromIssuanceOfPrivatePlacement" order="15" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues" order="16" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="pstv_ClassOfWarrantOrRightExpirationPeriod" order="17" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="pstv_MaximumBeneficialOwnershipPercentage" order="18" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="pstv_MaximumBeneficialOwnershipPercentageByElectionOfHolder" order="19" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
        </link:presentationLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis" xlink:label="srt_ProductOrServiceAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain" xlink:label="srt_ProductsAndServicesDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain" xlink:label="srt_ProductsAndServicesDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="us-gaap_OperatingExpensesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrantMember" xlink:label="us-gaap_GrantMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherIncomeAndExpensesAbstract" xlink:label="us-gaap_OtherIncomeAndExpensesAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FinancingExpense" xlink:label="pstv_FinancingExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfRevenueExtensibleList" xlink:label="us-gaap_TypeOfRevenueExtensibleList"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="us-gaap_GeneralAndAdministrativeExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAdjustmentOfWarrants" xlink:label="us-gaap_FairValueAdjustmentOfWarrants"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_WarrantIssuanceCosts" xlink:label="pstv_WarrantIssuanceCosts"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="us-gaap_InvestmentIncomeInterest"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseNonoperating" xlink:label="us-gaap_InterestExpenseNonoperating"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="us-gaap_NonoperatingIncomeExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_Revenues" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="srt_ProductOrServiceAxis" xlink:to="srt_ProductsAndServicesDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="srt_ProductOrServiceAxis" xlink:to="srt_ProductsAndServicesDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_ResearchAndDevelopmentExpense" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_ProductsAndServicesDomain" xlink:to="us-gaap_GrantMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherIncomeAndExpensesAbstract" xlink:to="pstv_FinancingExpense" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable" xlink:to="srt_ProductOrServiceAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_TypeOfRevenueExtensibleList" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_GeneralAndAdministrativeExpense" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherIncomeAndExpensesAbstract" xlink:to="us-gaap_FairValueAdjustmentOfWarrants" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OperatingExpensesAbstract" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_OperatingExpenses" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherIncomeAndExpensesAbstract" xlink:to="pstv_WarrantIssuanceCosts" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OperatingIncomeLoss" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherIncomeAndExpensesAbstract" xlink:to="us-gaap_InvestmentIncomeInterest" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OtherIncomeAndExpensesAbstract" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherIncomeAndExpensesAbstract" xlink:to="us-gaap_InterestExpenseNonoperating" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_EarningsPerShareBasic" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherIncomeAndExpensesAbstract" xlink:to="us-gaap_NonoperatingIncomeExpense" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="6" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_EarningsPerShareDiluted" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="6" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherIncomeAndExpensesAbstract" xlink:to="us-gaap_NetIncomeLoss" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="7" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="8" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockMember" xlink:label="us-gaap_PreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SeriesFPreferredStockMember" xlink:label="us-gaap_SeriesFPreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharesOutstanding" xlink:label="us-gaap_SharesOutstanding"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConvertiblePreferredStockMember" xlink:label="us-gaap_ConvertiblePreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockCommonMember" xlink:label="us-gaap_TreasuryStockCommonMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="us-gaap_AdditionalPaidInCapitalMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsMember" xlink:label="us-gaap_RetainedEarningsMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ExerciseOfPreFundedWarrantsShares" xlink:label="pstv_ExerciseOfPreFundedWarrantsShares"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRedeemedOrCalledDuringPeriodShares" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodShares"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:label="us-gaap_StockIssuedDuringPeriodValueIssuedForServices"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:label="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FractionalAdjustmentOfCommonStock" xlink:label="pstv_FractionalAdjustmentOfCommonStock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="us-gaap_TreasuryStockSharesAcquired"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_StockIssuedDuringPeriodValueReclassificationOfWarrantsToEquity" xlink:label="pstv_StockIssuedDuringPeriodValueReclassificationOfWarrantsToEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockholdersEquity" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_EquityComponentDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_EquityComponentDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_PreferredStockMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_SeriesFPreferredStockMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementEquityComponentsAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SharesOutstanding" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_CommonStockMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_ConvertiblePreferredStockMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementClassOfStockAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_TreasuryStockCommonMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodValueNewIssues" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_AdditionalPaidInCapitalMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_RetainedEarningsMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="pstv_ExerciseOfPreFundedWarrantsShares" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="6" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockRedeemedOrCalledDuringPeriodShares" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="7" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodValueIssuedForServices" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="8" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="9" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="pstv_FractionalAdjustmentOfCommonStock" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="10" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_TreasuryStockValueAcquiredCostMethod" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="11" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_TreasuryStockSharesAcquired" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="12" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="pstv_StockIssuedDuringPeriodValueReclassificationOfWarrantsToEquity" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="13" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetIncomeLoss" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementStrategyAndGovernanceTable" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:label="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock" xlink:label="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" xlink:label="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementProcessesIntegratedFlag" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock" xlink:label="cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskRoleOfManagementTextBlock" xlink:label="cyd_CybersecurityRiskRoleOfManagementTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementThirdPartyEngagedFlag" xlink:label="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag" xlink:label="cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock" xlink:label="cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock" xlink:label="cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract" xlink:to="cyd_CybersecurityRiskManagementStrategyAndGovernanceTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:to="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems" xlink:to="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" xlink:to="cyd_CybersecurityRiskManagementProcessesIntegratedFlag" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:to="cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems" xlink:to="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract" xlink:to="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" xlink:to="cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:to="cyd_CybersecurityRiskRoleOfManagementTextBlock" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" xlink:to="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:to="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" xlink:to="cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:to="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" xlink:to="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:to="cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" xlink:to="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="6" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:to="cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="7" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:to="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails">
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:label="pstv_SummaryOfSignificantAccountingPoliciesLineItems"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SummaryOfSignificantAccountingPoliciesTable" xlink:label="pstv_SummaryOfSignificantAccountingPoliciesTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember" xlink:label="srt_RangeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="us-gaap_TypeOfAdoptionMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountingStandardsUpdate202307Member" xlink:label="us-gaap_AccountingStandardsUpdate202307Member"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember" xlink:label="srt_RangeMember_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="us-gaap_TypeOfAdoptionMember_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InProcessResearchAndDevelopmentMember" xlink:label="us-gaap_InProcessResearchAndDevelopmentMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AccountingStandardsUpdate202403Member" xlink:label="pstv_AccountingStandardsUpdate202403Member"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetImpairmentCharges" xlink:label="us-gaap_AssetImpairmentCharges"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NumberOfReportingUnits" xlink:label="us-gaap_NumberOfReportingUnits"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense" xlink:label="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NumberOfOperatingSegments" xlink:label="us-gaap_NumberOfOperatingSegments"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="pstv_SummaryOfSignificantAccountingPoliciesTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_RangeMember" xlink:to="srt_MinimumMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TypeOfAdoptionMember" xlink:to="us-gaap_AccountingStandardsUpdate202307Member" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:to="us-gaap_TypeOfAdoptionMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:to="us-gaap_TypeOfAdoptionMember_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesTable" xlink:to="srt_RangeAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_InProcessResearchAndDevelopmentMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TypeOfAdoptionMember" xlink:to="pstv_AccountingStandardsUpdate202403Member" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_ImpairmentOfLongLivedAssetsHeldForUse" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesTable" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_StockholdersEquity" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesTable" xlink:to="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_AssetImpairmentCharges" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_NumberOfReportingUnits" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="6" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_NumberOfOperatingSegments" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="7" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="8" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="9" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="10" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="us-gaap_MoneyMarketFundsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAxis" xlink:label="us-gaap_CashAndCashEquivalentsAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="us-gaap_FairValueInputsLevel1Member"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="us-gaap_FairValueMeasurementsRecurringMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_USTreasurySecuritiesMember" xlink:label="us-gaap_USTreasurySecuritiesMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentsFairValueDisclosure" xlink:label="us-gaap_InvestmentsFairValueDisclosure"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember" xlink:label="us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="us-gaap_FairValueInputsLevel3Member"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="us-gaap_AssetsFairValueDisclosure"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_FairValueByMeasurementFrequencyAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:to="us-gaap_MoneyMarketFundsMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_CashAndCashEquivalentsAxis" xlink:to="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_CashAndCashEquivalentsAxis" xlink:to="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueInputsLevel1Member" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_CashAndCashEquivalentsFairValueDisclosure" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_FairValueByMeasurementFrequencyAxis" xlink:to="us-gaap_FairValueMeasurementFrequencyDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_FairValueByMeasurementFrequencyAxis" xlink:to="us-gaap_FairValueMeasurementFrequencyDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueMeasurementFrequencyDomain" xlink:to="us-gaap_FairValueMeasurementsRecurringMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_FairValueByFairValueHierarchyLevelAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:to="us-gaap_USTreasurySecuritiesMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueInputsLevel2Member" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_InvestmentsFairValueDisclosure" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_CashAndCashEquivalentsAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:to="us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueInputsLevel3Member" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_AssetsFairValueDisclosure" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WarrantsAndRightsOutstandingTerm" xlink:label="us-gaap_WarrantsAndRightsOutstandingTerm"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByLiabilityClassAxis" xlink:label="us-gaap_FairValueByLiabilityClassAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputTypeDomain" xlink:label="us-gaap_MeasurementInputTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputExpectedTermMember" xlink:label="us-gaap_MeasurementInputExpectedTermMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember" xlink:label="srt_RangeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputTypeAxis" xlink:label="us-gaap_MeasurementInputTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputTypeDomain" xlink:label="us-gaap_MeasurementInputTypeDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_WarrantLiabilityMember" xlink:label="pstv_WarrantLiabilityMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WarrantsAndRightsOutstandingMeasurementInput" xlink:label="us-gaap_WarrantsAndRightsOutstandingMeasurementInput"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MeasurementInputCommonStockMarketPriceMember" xlink:label="pstv_MeasurementInputCommonStockMarketPriceMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputRiskFreeInterestRateMember" xlink:label="us-gaap_MeasurementInputRiskFreeInterestRateMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputPriceVolatilityMember" xlink:label="us-gaap_MeasurementInputPriceVolatilityMember"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xlink:to="us-gaap_WarrantsAndRightsOutstandingTerm" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:to="us-gaap_FairValueByLiabilityClassAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_FairValueByLiabilityClassAxis" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_FairValueByLiabilityClassAxis" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_MeasurementInputTypeDomain" xlink:to="us-gaap_MeasurementInputExpectedTermMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_RangeMember" xlink:to="srt_MinimumMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_MeasurementInputTypeAxis" xlink:to="us-gaap_MeasurementInputTypeDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_MeasurementInputTypeAxis" xlink:to="us-gaap_MeasurementInputTypeDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:to="pstv_WarrantLiabilityMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xlink:to="us-gaap_WarrantsAndRightsOutstandingMeasurementInput" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:to="us-gaap_MeasurementInputTypeAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_MeasurementInputTypeDomain" xlink:to="pstv_MeasurementInputCommonStockMarketPriceMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:to="srt_RangeAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_MeasurementInputTypeDomain" xlink:to="us-gaap_MeasurementInputRiskFreeInterestRateMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_MeasurementInputTypeDomain" xlink:to="us-gaap_MeasurementInputPriceVolatilityMember" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangeInFairValueOfWarrantLiabilitiesDetails">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByLiabilityClassAxis" xlink:label="us-gaap_FairValueByLiabilityClassAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_WarrantLiabilityMember" xlink:label="pstv_WarrantLiabilityMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassificationToEquity" xlink:label="pstv_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassificationToEquity"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:to="us-gaap_FairValueByLiabilityClassAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_FairValueByLiabilityClassAxis" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:to="pstv_WarrantLiabilityMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:to="pstv_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassificationToEquity" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureInvestmentsAdditionalInformationDetails">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleTable" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Investments" xlink:label="us-gaap_Investments"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember" xlink:label="srt_RangeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CashDeposits" xlink:label="pstv_CashDeposits"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_Available-For-SalesAndShort-TermInvestmentsDateOfPurchaseTerm" xlink:label="pstv_Available-For-SalesAndShort-TermInvestmentsDateOfPurchaseTerm"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_DebtSecuritiesAvailableForSaleTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_Investments" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_DebtSecuritiesAvailableForSaleTable" xlink:to="srt_RangeAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="pstv_CashDeposits" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="pstv_Available-For-SalesAndShort-TermInvestmentsDateOfPurchaseTerm" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfAntidilutiveSecuritiesExcludedFromDilutedLossPerShareDetails">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_OptionsMember" xlink:label="pstv_OptionsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockMember" xlink:label="us-gaap_PreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WarrantMember" xlink:label="us-gaap_WarrantMember"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:to="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_EquityComponentDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="pstv_OptionsMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:to="us-gaap_StatementEquityComponentsAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_PreferredStockMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_WarrantMember" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsIntangibleAssetsNetDetails">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComputerSoftwareIntangibleAssetMember" xlink:label="us-gaap_ComputerSoftwareIntangibleAssetMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntellectualPropertyMember" xlink:label="us-gaap_IntellectualPropertyMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_ComputerSoftwareIntangibleAssetMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsGross" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_IntellectualPropertyMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNet" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RecordedUnconditionalPurchaseObligationTable" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ManufacturingAgreementWithSpectronRXMember" xlink:label="pstv_ManufacturingAgreementWithSpectronRXMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RecordedUnconditionalPurchaseObligationCategoryDomain" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationCategoryDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RecordedUnconditionalPurchaseObligationCategoryDomain" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligationCategoryDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_OperatingLeasesExpiryYear" xlink:label="pstv_OperatingLeasesExpiryYear"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="us-gaap_TypeOfArrangementAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CharlottesvilleMember" xlink:label="pstv_CharlottesvilleMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PreClinicalResearchStudyObligationsMember" xlink:label="pstv_PreClinicalResearchStudyObligationsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_LitigationCaseTypeDomain" xlink:label="srt_LitigationCaseTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_LoremVascularPteLtdMember" xlink:label="pstv_LoremVascularPteLtdMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_LitigationCaseAxis" xlink:label="srt_LitigationCaseAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_LitigationCaseTypeDomain" xlink:label="srt_LitigationCaseTypeDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseTermOfContract" xlink:label="us-gaap_LesseeOperatingLeaseTermOfContract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend" xlink:label="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseOptionToExtend" xlink:label="us-gaap_LesseeOperatingLeaseOptionToExtend"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseRenewalTerm" xlink:label="us-gaap_LesseeOperatingLeaseRenewalTerm"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiability" xlink:label="us-gaap_OperatingLeaseLiability"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseDiscountRate" xlink:label="us-gaap_LesseeOperatingLeaseDiscountRate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseExpense" xlink:label="us-gaap_OperatingLeaseExpense"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_InitialCommitmentFee" xlink:label="pstv_InitialCommitmentFee"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractualObligation" xlink:label="us-gaap_ContractualObligation"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_RecordedUnconditionalPurchaseObligationTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="pstv_ManufacturingAgreementWithSpectronRXMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:to="us-gaap_RecordedUnconditionalPurchaseObligationCategoryDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:to="us-gaap_RecordedUnconditionalPurchaseObligationCategoryDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="pstv_OperatingLeasesExpiryYear" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_TypeOfArrangementAxis" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_TypeOfArrangementAxis" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="pstv_CharlottesvilleMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationCategoryDomain" xlink:to="pstv_PreClinicalResearchStudyObligationsMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_LitigationCaseTypeDomain" xlink:to="pstv_LoremVascularPteLtdMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationTable" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="srt_LitigationCaseAxis" xlink:to="srt_LitigationCaseTypeDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="srt_LitigationCaseAxis" xlink:to="srt_LitigationCaseTypeDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_LesseeOperatingLeaseTermOfContract" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationTable" xlink:to="us-gaap_TypeOfArrangementAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationTable" xlink:to="us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_LesseeOperatingLeaseOptionToExtend" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationTable" xlink:to="srt_LitigationCaseAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_LesseeOperatingLeaseRenewalTerm" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_OperatingLeaseLiability" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="6" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_LesseeOperatingLeaseDiscountRate" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="7" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_OperatingLeaseRightOfUseAsset" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="8" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="9" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="10" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_OperatingLeaseExpense" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="11" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="pstv_InitialCommitmentFee" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="12" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_ContractualObligation" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreementsAdditionalInformationDetails">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharesIssued" xlink:label="us-gaap_SharesIssued"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain" xlink:label="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_BioceptAgreementMember" xlink:label="pstv_BioceptAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis" xlink:label="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain" xlink:label="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NanoTxLicensesAgreementMember" xlink:label="pstv_NanoTxLicensesAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForRoyalties" xlink:label="us-gaap_PaymentsForRoyalties"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageOfNonDilutiveMonetaryAwardsRequiredToPay" xlink:label="pstv_PercentageOfNonDilutiveMonetaryAwardsRequiredToPay"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AccruedLicensePayable" xlink:label="pstv_AccruedLicensePayable"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SharesIssued" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain" xlink:to="pstv_BioceptAgreementMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis" xlink:to="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis" xlink:to="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ResearchAndDevelopmentExpense" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain" xlink:to="pstv_NanoTxLicensesAgreementMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PaymentsForRoyalties" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CommonStockValue" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="pstv_PercentageOfNonDilutiveMonetaryAwardsRequiredToPay" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="pstv_AccruedLicensePayable" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureTermLoanObligationsAdditionalInformationDetails">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentOfferingDate1" xlink:label="us-gaap_DebtInstrumentOfferingDate1"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TermLoanMember" xlink:label="pstv_TermLoanMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="us-gaap_DebtInstrumentMaturityDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFeeAmount" xlink:label="us-gaap_DebtInstrumentFeeAmount"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentNameDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentNameDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentOfferingDate1" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="pstv_TermLoanMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentFaceAmount" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentMaturityDate" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentFeeAmount" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacilityAdditionalInformationDetails">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="us-gaap_LineOfCreditFacilityLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="us-gaap_LineOfCreditFacilityTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableRateDomain" xlink:label="us-gaap_VariableRateDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrimeRateMember" xlink:label="us-gaap_PrimeRateMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCredit" xlink:label="us-gaap_LineOfCredit"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain" xlink:label="us-gaap_CreditFacilityDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PershingCreditFacilityMember" xlink:label="pstv_PershingCreditFacilityMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableRateAxis" xlink:label="us-gaap_VariableRateAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableRateDomain" xlink:label="us-gaap_VariableRateDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityAxis" xlink:label="us-gaap_CreditFacilityAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain" xlink:label="us-gaap_CreditFacilityDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageOfCreditFacilityCannotExceedCollateralizedMarketableSecurities" xlink:label="pstv_PercentageOfCreditFacilityCannotExceedCollateralizedMarketableSecurities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MarketableSecurities" xlink:label="us-gaap_MarketableSecurities"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_DebtInstrumentFloorRate" xlink:label="pstv_DebtInstrumentFloorRate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeePercentage"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_LineOfCreditFacilityTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_VariableRateDomain" xlink:to="us-gaap_PrimeRateMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_LineOfCredit" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CreditFacilityDomain" xlink:to="pstv_PershingCreditFacilityMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_VariableRateAxis" xlink:to="us-gaap_VariableRateDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_VariableRateAxis" xlink:to="us-gaap_VariableRateDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_LineOfCreditFacilityTable" xlink:to="us-gaap_CreditFacilityAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_CreditFacilityAxis" xlink:to="us-gaap_CreditFacilityDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_CreditFacilityAxis" xlink:to="us-gaap_CreditFacilityDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="pstv_PercentageOfCreditFacilityCannotExceedCollateralizedMarketableSecurities" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_LineOfCreditFacilityTable" xlink:to="us-gaap_VariableRateAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_MarketableSecurities" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="pstv_DebtInstrumentFloorRate" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_LineOfCreditFacilityCommitmentFeePercentage" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueLineItems" xlink:label="us-gaap_DisaggregationOfRevenueLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis" xlink:label="srt_ProductOrServiceAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain" xlink:label="srt_ProductsAndServicesDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CancerPreventionAndResearchInstituteOfTexasContractMember" xlink:label="pstv_CancerPreventionAndResearchInstituteOfTexasContractMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrantMember" xlink:label="us-gaap_GrantMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="us-gaap_TypeOfArrangementAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MaximumGrantAmountToBeReceivedAsPerGrantContract" xlink:label="pstv_MaximumGrantAmountToBeReceivedAsPerGrantContract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CongressionallyDirectedMedicalResearchProgramsMember" xlink:label="pstv_CongressionallyDirectedMedicalResearchProgramsMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_GrantFundingTerm" xlink:label="pstv_GrantFundingTerm"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_DepartmentOfDefenseAwardMember" xlink:label="pstv_DepartmentOfDefenseAwardMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CpritGrantFundingTerm" xlink:label="pstv_CpritGrantFundingTerm"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ContractEffectiveDate" xlink:label="pstv_ContractEffectiveDate"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ContractTerminationDate" xlink:label="pstv_ContractTerminationDate"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageOfAggregateAmountOfProceedsAwardedUnderCpritGrant" xlink:label="pstv_PercentageOfAggregateAmountOfProceedsAwardedUnderCpritGrant"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageOfGrantProceedsWithInterestNotExceedAnnually" xlink:label="pstv_PercentageOfGrantProceedsWithInterestNotExceedAnnually"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrantsReceivable" xlink:label="us-gaap_GrantsReceivable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredRevenue" xlink:label="us-gaap_DeferredRevenue"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AmountToBeReceivedAsAwardForResearchAndDevelopment" xlink:label="pstv_AmountToBeReceivedAsAwardForResearchAndDevelopment"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ResearchAndDevelopmentAwardInPeriod" xlink:label="pstv_ResearchAndDevelopmentAwardInPeriod"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FirstPaymentReceived" xlink:label="pstv_FirstPaymentReceived"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="us-gaap_StatementTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="srt_ProductOrServiceAxis" xlink:to="srt_ProductsAndServicesDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="pstv_CancerPreventionAndResearchInstituteOfTexasContractMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_ProductsAndServicesDomain" xlink:to="us-gaap_GrantMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_TypeOfArrangementAxis" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_TypeOfArrangementAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_MaximumGrantAmountToBeReceivedAsPerGrantContract" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="pstv_CongressionallyDirectedMedicalResearchProgramsMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_SubsequentEventTypeAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_GrantFundingTerm" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="pstv_DepartmentOfDefenseAwardMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable" xlink:to="srt_ProductOrServiceAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_CpritGrantFundingTerm" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_ContractEffectiveDate" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_ContractTerminationDate" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_PercentageOfAggregateAmountOfProceedsAwardedUnderCpritGrant" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="6" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_PercentageOfGrantProceedsWithInterestNotExceedAnnually" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="7" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="us-gaap_Revenues" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="8" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="us-gaap_GrantsReceivable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="9" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="us-gaap_DeferredRevenue" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="10" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_AmountToBeReceivedAsAwardForResearchAndDevelopment" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="11" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_ResearchAndDevelopmentAwardInPeriod" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="12" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="13" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="pstv_FirstPaymentReceived" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureBioceptAssetAcquisitionsAdditionalInformationDetails">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionLineItems" xlink:label="us-gaap_AssetAcquisitionLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionTable" xlink:label="us-gaap_AssetAcquisitionTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionAxis" xlink:label="us-gaap_AssetAcquisitionAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionDomain" xlink:label="us-gaap_AssetAcquisitionDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionDomain" xlink:label="us-gaap_AssetAcquisitionDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_BioceptAssetAcquisitionsMember" xlink:label="pstv_BioceptAssetAcquisitionsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts" xlink:label="us-gaap_BusinessCombinationAcquisitionRelatedCosts"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_AssetAcquisitionLineItems" xlink:to="us-gaap_AssetAcquisitionTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_AssetAcquisitionAxis" xlink:to="us-gaap_AssetAcquisitionDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_AssetAcquisitionAxis" xlink:to="us-gaap_AssetAcquisitionDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AssetAcquisitionLineItems" xlink:to="us-gaap_PaymentsToAcquireProductiveAssets" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AssetAcquisitionDomain" xlink:to="pstv_BioceptAssetAcquisitionsMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_AssetAcquisitionTable" xlink:to="us-gaap_AssetAcquisitionAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AssetAcquisitionLineItems" xlink:to="us-gaap_BusinessCombinationAcquisitionRelatedCosts" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails">
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_IncomeTaxesLineItems" xlink:label="pstv_IncomeTaxesLineItems"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_IncomeTaxesTable" xlink:label="pstv_IncomeTaxesTable"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_IncomeTaxContingencyAbstract" xlink:label="pstv_IncomeTaxContingencyAbstract"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_DeferredTaxAssetsValuationAllowances" xlink:label="pstv_DeferredTaxAssetsValuationAllowances"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityNameDomain" xlink:label="us-gaap_IncomeTaxAuthorityNameDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InternalRevenueServiceIRSMember" xlink:label="us-gaap_InternalRevenueServiceIRSMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember" xlink:label="srt_RangeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="us-gaap_IncomeTaxAuthorityAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityNameAxis" xlink:label="us-gaap_IncomeTaxAuthorityNameAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityNameDomain" xlink:label="us-gaap_IncomeTaxAuthorityNameDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="us-gaap_IncomeTaxAuthorityDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="us-gaap_IncomeTaxAuthorityDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DomesticCountryMember" xlink:label="us-gaap_DomesticCountryMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StateAndLocalJurisdictionMember" xlink:label="us-gaap_StateAndLocalJurisdictionMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="us-gaap_OperatingLossCarryforwards"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_OperatingLossCarryforwardsExpirationDates1" xlink:label="pstv_OperatingLossCarryforwardsExpirationDates1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TaxCreditCarryforwardExpirationDate1" xlink:label="pstv_TaxCreditCarryforwardExpirationDate1"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NetOperatingLossCarryforward" xlink:label="pstv_NetOperatingLossCarryforward"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageOfNetOperatingLossCarryforwardsAvailableForOffsettingAgainstFutureTaxableIncome" xlink:label="pstv_PercentageOfNetOperatingLossCarryforwardsAvailableForOffsettingAgainstFutureTaxableIncome"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CumulativeChangeInOwnership" xlink:label="pstv_CumulativeChangeInOwnership"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NetOperatingLossAndResearchAndDevelopmentTaxCreditCarryForwardsToOffsetFutureTaxableIncomePeriod" xlink:label="pstv_NetOperatingLossAndResearchAndDevelopmentTaxCreditCarryForwardsToOffsetFutureTaxableIncomePeriod"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilityForUncertainTaxPositionsCurrent" xlink:label="us-gaap_LiabilityForUncertainTaxPositionsCurrent"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PeriodForMaterialChangesOfLiabilityForUncertainTaxBenefits" xlink:label="pstv_PeriodForMaterialChangesOfLiabilityForUncertainTaxBenefits"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="pstv_IncomeTaxesTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_IncomeTaxContingencyAbstract" xlink:to="pstv_DeferredTaxAssetsValuationAllowances" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeTaxAuthorityNameDomain" xlink:to="us-gaap_InternalRevenueServiceIRSMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="pstv_IncomeTaxesTable" xlink:to="us-gaap_IncomeTaxAuthorityAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_IncomeTaxAuthorityNameAxis" xlink:to="us-gaap_IncomeTaxAuthorityNameDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_IncomeTaxAuthorityNameAxis" xlink:to="us-gaap_IncomeTaxAuthorityNameDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_IncomeTaxAuthorityAxis" xlink:to="us-gaap_IncomeTaxAuthorityDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_IncomeTaxAuthorityAxis" xlink:to="us-gaap_IncomeTaxAuthorityDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="us-gaap_DomesticCountryMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="us-gaap_IncomeTaxExpenseBenefit" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_IncomeTaxContingencyAbstract" xlink:to="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_RangeMember" xlink:to="srt_MinimumMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="pstv_IncomeTaxesTable" xlink:to="srt_RangeAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="us-gaap_StateAndLocalJurisdictionMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="pstv_IncomeTaxContingencyAbstract" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="pstv_IncomeTaxesTable" xlink:to="us-gaap_IncomeTaxAuthorityNameAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="us-gaap_OperatingLossCarryforwards" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="pstv_OperatingLossCarryforwardsExpirationDates1" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="6" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="pstv_TaxCreditCarryforwardExpirationDate1" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="7" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="pstv_NetOperatingLossCarryforward" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="8" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="pstv_PercentageOfNetOperatingLossCarryforwardsAvailableForOffsettingAgainstFutureTaxableIncome" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="9" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="pstv_CumulativeChangeInOwnership" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="10" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="pstv_NetOperatingLossAndResearchAndDevelopmentTaxCreditCarryForwardsToOffsetFutureTaxableIncomePeriod" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="11" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="us-gaap_LiabilityForUncertainTaxPositionsCurrent" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="12" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="pstv_PeriodForMaterialChangesOfLiabilityForUncertainTaxBenefits" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="13" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="pstv_IncomeTaxesLineItems" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureEmployeeBenefitPlanAdditionalInformationDetails">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedContributionPlanDisclosureLineItems" xlink:label="us-gaap_DefinedContributionPlanDisclosureLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedContributionPlanTable" xlink:label="us-gaap_DefinedContributionPlanTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember" xlink:label="srt_RangeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount" xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_DefinedContributionPlanDisclosureLineItems" xlink:to="us-gaap_DefinedContributionPlanTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_RangeMember" xlink:to="srt_MinimumMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DefinedContributionPlanDisclosureLineItems" xlink:to="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_DefinedContributionPlanTable" xlink:to="srt_RangeAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DefinedContributionPlanDisclosureLineItems" xlink:to="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockLineItems" xlink:label="us-gaap_ClassOfStockLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="us-gaap_ScheduleOfStockByClassTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="us-gaap_ClassOfWarrantOrRightAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="us-gaap_ClassOfWarrantOrRightDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="us-gaap_ClassOfWarrantOrRightDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SubscriptionAgreementMember" xlink:label="pstv_SubscriptionAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesFConvertiblePreferredStockMember" xlink:label="pstv_SeriesFConvertiblePreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="us-gaap_PreferredStockSharesAuthorized"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TwoThousandEighteenRightsOfferingMember" xlink:label="pstv_TwoThousandEighteenRightsOfferingMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesAConvertiblePreferredStockMember" xlink:label="pstv_SeriesAConvertiblePreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesBConvertiblePreferredStockMember" xlink:label="pstv_SeriesBConvertiblePreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NumberOfVotesPerShare" xlink:label="pstv_NumberOfVotesPerShare"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesCConvertiblePreferredStockMember" xlink:label="pstv_SeriesCConvertiblePreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockConsiderationReceivedOnTransaction" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockTransactionDate" xlink:label="us-gaap_SaleOfStockTransactionDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockVotingRights" xlink:label="us-gaap_PreferredStockVotingRights"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_RightsRelatedToDistributionOfAssets" xlink:label="pstv_RightsRelatedToDistributionOfAssets"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ConsiderationPaidToPreferredStockHolders" xlink:label="pstv_ConsiderationPaidToPreferredStockHolders"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="us-gaap_PreferredStockSharesOutstanding"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockDividendRatePercentage" xlink:label="us-gaap_PreferredStockDividendRatePercentage"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PreferredStockDividendRatePercentageEliminatedDate" xlink:label="pstv_PreferredStockDividendRatePercentageEliminatedDate"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NumberOfPreferredStockSharesExercised" xlink:label="pstv_NumberOfPreferredStockSharesExercised"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_ScheduleOfStockByClassTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_StatementClassOfStockAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ClassOfWarrantOrRightAxis" xlink:to="us-gaap_ClassOfWarrantOrRightDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_ClassOfWarrantOrRightAxis" xlink:to="us-gaap_ClassOfWarrantOrRightDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="pstv_SubscriptionAgreementMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="pstv_SeriesFConvertiblePreferredStockMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsidiarySaleOfStockAxis" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_SubsidiarySaleOfStockAxis" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_PreferredStockSharesAuthorized" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="pstv_TwoThousandEighteenRightsOfferingMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_ClassOfWarrantOrRightAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="pstv_SeriesAConvertiblePreferredStockMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_SubsidiarySaleOfStockAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="pstv_SeriesBConvertiblePreferredStockMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_NumberOfVotesPerShare" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="pstv_SeriesCConvertiblePreferredStockMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_SaleOfStockConsiderationReceivedOnTransaction" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="6" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_SaleOfStockTransactionDate" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="7" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_PreferredStockVotingRights" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="8" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_RightsRelatedToDistributionOfAssets" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="9" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_ConsiderationPaidToPreferredStockHolders" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="10" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_PreferredStockSharesOutstanding" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="11" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_PreferredStockDividendRatePercentage" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="12" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_PreferredStockDividendRatePercentageEliminatedDate" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="13" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_NumberOfPreferredStockSharesExercised" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockLineItems" xlink:label="us-gaap_ClassOfStockLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="us-gaap_ScheduleOfStockByClassTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTypeAxis" xlink:label="us-gaap_InvestmentTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="us-gaap_ClassOfWarrantOrRightAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="us-gaap_ClassOfWarrantOrRightDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AtTheMarketOfferingProgramMember" xlink:label="pstv_AtTheMarketOfferingProgramMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="us-gaap_InvestmentTypeCategorizationMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="us-gaap_InvestmentTypeCategorizationMember_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_LincolnParkCapitalFundLLCMember" xlink:label="pstv_LincolnParkCapitalFundLLCMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember" xlink:label="srt_RangeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CommitmentFeeMember" xlink:label="pstv_CommitmentFeeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SingleStockFutureMember" xlink:label="us-gaap_SingleStockFutureMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_May2024PrivatePlacementMember" xlink:label="pstv_May2024PrivatePlacementMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MaximumValueOfSharesToBeIssuedUnderAgreement" xlink:label="pstv_MaximumValueOfSharesToBeIssuedUnderAgreement"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis" xlink:label="us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DistributionTypeDomain" xlink:label="us-gaap_DistributionTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DistributionTypeDomain" xlink:label="us-gaap_DistributionTypeDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_InitialSubscriptionMember" xlink:label="pstv_InitialSubscriptionMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="us-gaap_FinancialInstrumentAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesAWarrantMember" xlink:label="pstv_SeriesAWarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SecuritiesPurchaseAgreementMember" xlink:label="pstv_SecuritiesPurchaseAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CanaccordGenuityLLCMember" xlink:label="pstv_CanaccordGenuityLLCMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TwentyTwentyRepurchaseAgreementMember" xlink:label="pstv_TwentyTwentyRepurchaseAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AdditionalSubscriptionMember" xlink:label="pstv_AdditionalSubscriptionMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesBWarrantMember" xlink:label="pstv_SeriesBWarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PrivatePlacementAndPrefundedWarrantMember" xlink:label="pstv_PrivatePlacementAndPrefundedWarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SalesAgreementMember" xlink:label="pstv_SalesAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesAWarrantAndSeriesBWarrantMember" xlink:label="pstv_SeriesAWarrantAndSeriesBWarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AmendmentAndRestatementsMay2024PrivatePlacementMember" xlink:label="pstv_AmendmentAndRestatementsMay2024PrivatePlacementMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TwoThousandAndTwentyTwoPurchaseAgreementMember" xlink:label="pstv_TwoThousandAndTwentyTwoPurchaseAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PreFundedWarrantsMember" xlink:label="pstv_PreFundedWarrantsMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TwentyTwentyPurchaseAgreementMember" xlink:label="pstv_TwentyTwentyPurchaseAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PurchasePriceOfShare" xlink:label="pstv_PurchasePriceOfShare"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeptemberTwoThousandAndTwentyTwoDistributionAgreementMember" xlink:label="pstv_SeptemberTwoThousandAndTwentyTwoDistributionAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharePrice" xlink:label="us-gaap_SharePrice"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_TwoThousandTwentyTwoDistributionAgreementMember" xlink:label="pstv_TwoThousandTwentyTwoDistributionAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_RestrictedBeneficialOwnershipLevelResultOfExerciseOfWarrantToReceivePreFundedWarrant" xlink:label="pstv_RestrictedBeneficialOwnershipLevelResultOfExerciseOfWarrantToReceivePreFundedWarrant"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_JanuaryTwoThousandAndTwentyTwoDistributionAgreementMember" xlink:label="pstv_JanuaryTwoThousandAndTwentyTwoDistributionAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_DistributionAgreementMember" xlink:label="pstv_DistributionAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_OfferingCosts" xlink:label="pstv_OfferingCosts"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfWarrants" xlink:label="us-gaap_ProceedsFromIssuanceOfWarrants"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FinancingExpense" xlink:label="pstv_FinancingExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAdjustmentOfWarrants" xlink:label="us-gaap_FairValueAdjustmentOfWarrants"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FairValueOfWarrantLiabilityReclassifiedToEquity" xlink:label="pstv_FairValueOfWarrantLiabilityReclassifiedToEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PeriodExercisableFromTheDateOfIssuance" xlink:label="pstv_PeriodExercisableFromTheDateOfIssuance"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NumberOfMaximumCommonSharesCanBeResale" xlink:label="pstv_NumberOfMaximumCommonSharesCanBeResale"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:label="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_InitialCommitmentShares" xlink:label="pstv_InitialCommitmentShares"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_InitialCommitmentFee" xlink:label="pstv_InitialCommitmentFee"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageIssuanceOfCommonStock" xlink:label="pstv_PercentageIssuanceOfCommonStock"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_GrossProceedsFromIssuanceOfCommonStock" xlink:label="pstv_GrossProceedsFromIssuanceOfCommonStock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharesIssued" xlink:label="us-gaap_SharesIssued"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AggregateExpenseIncludingFeeAndDisbursementExpenses" xlink:label="pstv_AggregateExpenseIncludingFeeAndDisbursementExpenses"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PercentageOfCommissionOnGrossProceedsFromSaleOfCommonStock" xlink:label="pstv_PercentageOfCommissionOnGrossProceedsFromSaleOfCommonStock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_StockRepurchaseProgramAuthorizedAmount1" xlink:label="srt_StockRepurchaseProgramAuthorizedAmount1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRepurchasedDuringPeriodShares" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CommonStockSalesAvailableForIssuance" xlink:label="pstv_CommonStockSalesAvailableForIssuance"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockValue" xlink:label="us-gaap_TreasuryStockValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1" xlink:label="us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_ScheduleOfStockByClassTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_InvestmentTypeAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ClassOfWarrantOrRightAxis" xlink:to="us-gaap_ClassOfWarrantOrRightDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="pstv_AtTheMarketOfferingProgramMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_InvestmentTypeAxis" xlink:to="us-gaap_InvestmentTypeCategorizationMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_InvestmentTypeAxis" xlink:to="us-gaap_InvestmentTypeCategorizationMember_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="pstv_LincolnParkCapitalFundLLCMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_EquityComponentDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_CommonStockMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_RangeMember" xlink:to="srt_MinimumMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="pstv_CommitmentFeeMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="us-gaap_SingleStockFutureMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsidiarySaleOfStockAxis" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_May2024PrivatePlacementMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_MaximumValueOfSharesToBeIssuedUnderAgreement" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis" xlink:to="us-gaap_DistributionTypeDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis" xlink:to="us-gaap_DistributionTypeDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DistributionTypeDomain" xlink:to="pstv_InitialSubscriptionMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_FinancialInstrumentAxis" xlink:to="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_FinancialInstrumentAxis" xlink:to="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="pstv_SeriesAWarrantMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="dei_LegalEntityAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="pstv_SecuritiesPurchaseAgreementMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="pstv_CanaccordGenuityLLCMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_TwentyTwentyRepurchaseAgreementMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DistributionTypeDomain" xlink:to="pstv_AdditionalSubscriptionMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="pstv_SeriesBWarrantMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_StatementEquityComponentsAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="pstv_PrivatePlacementAndPrefundedWarrantMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_SalesAgreementMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="pstv_SeriesAWarrantAndSeriesBWarrantMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_ClassOfWarrantOrRightAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="pstv_AmendmentAndRestatementsMay2024PrivatePlacementMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_TwoThousandAndTwentyTwoPurchaseAgreementMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="pstv_PreFundedWarrantsMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_TwentyTwentyPurchaseAgreementMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_PurchasePriceOfShare" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="srt_RangeAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_SeptemberTwoThousandAndTwentyTwoDistributionAgreementMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_SharePrice" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="6" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_FinancialInstrumentAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="6" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_TwoThousandTwentyTwoDistributionAgreementMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="6" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_RestrictedBeneficialOwnershipLevelResultOfExerciseOfWarrantToReceivePreFundedWarrant" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="7" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_StatementClassOfStockAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="7" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_JanuaryTwoThousandAndTwentyTwoDistributionAgreementMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="7" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_ProceedsFromIssuanceOfPrivatePlacement" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="8" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_SubsequentEventTypeAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="8" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_DistributionAgreementMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="8" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_OfferingCosts" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="9" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_SubsidiarySaleOfStockAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="9" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_ProceedsFromIssuanceOfWarrants" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="10" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_FinancingExpense" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="11" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_FairValueAdjustmentOfWarrants" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="12" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="13" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_FairValueOfWarrantLiabilityReclassifiedToEquity" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="14" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodValueNewIssues" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="15" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_CommonStockSharesAuthorized" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="16" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_PeriodExercisableFromTheDateOfIssuance" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="17" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_NumberOfMaximumCommonSharesCanBeResale" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="18" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="19" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_InitialCommitmentShares" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="20" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_InitialCommitmentFee" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="21" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_PercentageIssuanceOfCommonStock" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="22" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_GrossProceedsFromIssuanceOfCommonStock" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="23" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="24" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_SharesIssued" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="25" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_AggregateExpenseIncludingFeeAndDisbursementExpenses" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="26" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_PercentageOfCommissionOnGrossProceedsFromSaleOfCommonStock" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="27" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="srt_StockRepurchaseProgramAuthorizedAmount1" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="28" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_StockRepurchasedDuringPeriodShares" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="29" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="pstv_CommonStockSalesAvailableForIssuance" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="30" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_TreasuryStockValue" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="31" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameDomain" xlink:label="us-gaap_PlanNameDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_StockBasedCompensation2015EquityIncentivePlan1Member" xlink:label="pstv_StockBasedCompensation2015EquityIncentivePlan1Member"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameAxis" xlink:label="us-gaap_PlanNameAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameDomain" xlink:label="us-gaap_PlanNameDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember" xlink:label="srt_RangeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_StockBasedCompensation2020EquityIncentivePlanMember" xlink:label="pstv_StockBasedCompensation2020EquityIncentivePlanMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividend" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividend"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PlanNameDomain" xlink:to="pstv_StockBasedCompensation2015EquityIncentivePlan1Member" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_RangeMember" xlink:to="srt_MinimumMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_PlanNameAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PlanNameDomain" xlink:to="pstv_StockBasedCompensation2020EquityIncentivePlanMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="srt_RangeAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="6" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividend" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="7" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="8" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationSummaryOfSharebasedCompensationRecognizedDetails">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="us-gaap_IncomeStatementLocationAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="us-gaap_IncomeStatementLocationDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="us-gaap_IncomeStatementLocationDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="us-gaap_ResearchAndDevelopmentExpenseMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpenseMember" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensation" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_IncomeStatementLocationAxis" xlink:to="us-gaap_IncomeStatementLocationDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_IncomeStatementLocationAxis" xlink:to="us-gaap_IncomeStatementLocationDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_IncomeStatementLocationAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="us-gaap_ResearchAndDevelopmentExpenseMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="us-gaap_GeneralAndAdministrativeExpenseMember" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationScheduleOfSegmentExpensesDetails">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="us-gaap_SegmentReportingInformationLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="us-gaap_IncomeStatementLocationAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="us-gaap_IncomeStatementLocationDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ClinicalDevelopmentAndLicensingExpensesMember" xlink:label="pstv_ClinicalDevelopmentAndLicensingExpensesMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PersonnelRelatedExpensesMember" xlink:label="pstv_PersonnelRelatedExpensesMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="us-gaap_GeneralAndAdministrativeExpense"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ProfessionalExpensesMember" xlink:label="pstv_ProfessionalExpensesMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FacilityAndOtherOverheadExpensesMember" xlink:label="pstv_FacilityAndOtherOverheadExpensesMember"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_IncomeStatementLocationAxis" xlink:to="us-gaap_IncomeStatementLocationDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_IncomeStatementLocationAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="pstv_ClinicalDevelopmentAndLicensingExpensesMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_ResearchAndDevelopmentExpense" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="pstv_PersonnelRelatedExpensesMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_GeneralAndAdministrativeExpense" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="pstv_ProfessionalExpensesMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="pstv_FacilityAndOtherOverheadExpensesMember" priority="2" use="optional"/>
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventLineItems" xlink:label="us-gaap_SubsequentEventLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTable" xlink:label="us-gaap_SubsequentEventTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="us-gaap_ClassOfWarrantOrRightAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="us-gaap_ClassOfWarrantOrRightDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SecuritiesPurchaseAgreementMember" xlink:label="pstv_SecuritiesPurchaseAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTypeAxis" xlink:label="us-gaap_InvestmentTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="us-gaap_InvestmentTypeCategorizationMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember" xlink:label="srt_RangeMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SecuritiesPurchaseAndExchangeAgreementMember" xlink:label="pstv_SecuritiesPurchaseAndExchangeAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis" xlink:label="us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DistributionTypeDomain" xlink:label="us-gaap_DistributionTypeDomain"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NewCapitalSubscriptionsMember" xlink:label="pstv_NewCapitalSubscriptionsMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesAWarrantMember" xlink:label="pstv_SeriesAWarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrivatePlacementMember" xlink:label="us-gaap_PrivatePlacementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FebruaryTwoThousandTwentyFiveSecuritiesPurchaseAndExchangeAgreementsMember" xlink:label="pstv_FebruaryTwoThousandTwentyFiveSecuritiesPurchaseAndExchangeAgreementsMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ExchangeMember" xlink:label="pstv_ExchangeMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SeriesBWarrantMember" xlink:label="pstv_SeriesBWarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PrefundedWarrantMember" xlink:label="pstv_PrefundedWarrantMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MayTwoThousandTwentyFourPurchaseAgreementMember" xlink:label="pstv_MayTwoThousandTwentyFourPurchaseAgreementMember"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_SPEAWarrantsMember" xlink:label="pstv_SPEAWarrantsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MarchTwoThousandTwentyFivePrivatePlacementMember" xlink:label="pstv_MarchTwoThousandTwentyFivePrivatePlacementMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_PurchasePriceOfShare" xlink:label="pstv_PurchasePriceOfShare"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="us-gaap_DebtInstrumentMaturityDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AggregatePurchasePrice" xlink:label="pstv_AggregatePurchasePrice"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentRedemptionPricePercentage" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentage"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WarrantExercisePriceDecrease" xlink:label="us-gaap_WarrantExercisePriceDecrease"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_WarrantsRemainOutstandingPercentage" xlink:label="pstv_WarrantsRemainOutstandingPercentage"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:label="us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ClassOfWarrantOrRightExpirationPeriod" xlink:label="pstv_ClassOfWarrantOrRightExpirationPeriod"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MaximumBeneficialOwnershipPercentage" xlink:label="pstv_MaximumBeneficialOwnershipPercentage"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_MaximumBeneficialOwnershipPercentageByElectionOfHolder" xlink:label="pstv_MaximumBeneficialOwnershipPercentageByElectionOfHolder"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_SubsequentEventTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ClassOfWarrantOrRightAxis" xlink:to="us-gaap_ClassOfWarrantOrRightDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="pstv_SecuritiesPurchaseAgreementMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_DebtInstrumentFaceAmount" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_InvestmentTypeAxis" xlink:to="us-gaap_InvestmentTypeCategorizationMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_EquityComponentDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_CommonStockMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_RangeMember" xlink:to="srt_MinimumMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsidiarySaleOfStockAxis" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_SecuritiesPurchaseAndExchangeAgreementMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis" xlink:to="us-gaap_DistributionTypeDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DistributionTypeDomain" xlink:to="pstv_NewCapitalSubscriptionsMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_SubsequentEventTable" xlink:to="srt_RangeAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="pstv_SeriesAWarrantMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="us-gaap_PrivatePlacementMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_FebruaryTwoThousandTwentyFiveSecuritiesPurchaseAndExchangeAgreementsMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DistributionTypeDomain" xlink:to="pstv_ExchangeMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_SubsequentEventTypeAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="pstv_SeriesBWarrantMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="pstv_PrefundedWarrantMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_MayTwoThousandTwentyFourPurchaseAgreementMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_InvestmentTypeAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="pstv_SPEAWarrantsMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="pstv_MarchTwoThousandTwentyFivePrivatePlacementMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_StatementEquityComponentsAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_ClassOfWarrantOrRightAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="pstv_PurchasePriceOfShare" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_SubsidiarySaleOfStockAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="6" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_DebtInstrumentMaturityDate" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="6" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="7" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentage" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="8" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="pstv_AggregatePurchasePrice" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="9" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="10" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_DebtInstrumentConvertibleConversionPrice1" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="11" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_DebtInstrumentRedemptionPricePercentage" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="12" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_WarrantExercisePriceDecrease" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="13" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="pstv_WarrantsRemainOutstandingPercentage" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="14" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="15" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_ProceedsFromIssuanceOfPrivatePlacement" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="16" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="17" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="pstv_ClassOfWarrantOrRightExpirationPeriod" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="18" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="pstv_MaximumBeneficialOwnershipPercentage" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="19" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="pstv_MaximumBeneficialOwnershipPercentageByElectionOfHolder" priority="2" use="optional"/>
        </link:definitionLink>
        <link:calculationLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets">
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_AssetsCurrent" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_PreferredStockValue" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_Liabilities" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_LiabilitiesCurrent" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_PropertyPlantAndEquipmentNet" order="1" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_CommonStockValue" order="1" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_CommitmentsAndContingencies" order="1" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_OperatingLeaseLiabilityNoncurrent" order="1" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_ShortTermInvestments" order="1" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_OperatingLeaseLiabilityCurrent" order="1" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_OperatingLeaseRightOfUseAsset" order="2" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_TreasuryStockCommonValue" order="2" weight="-1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_StockholdersEquity" order="2" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_AssetsCurrent" xlink:to="pstv_GrantReceivable" order="2" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_DeferredIncomeCurrent" order="2" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Goodwill" order="3" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_AdditionalPaidInCapital" order="3" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_DeferredIncomeNoncurrent" order="3" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_OtherAssetsCurrent" order="3" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LinesOfCreditCurrent" order="3" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_OtherIntangibleAssetsNet" order="4" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit" order="4" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LongTermDebtCurrent" order="4" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_OtherAssetsNoncurrent" order="5" weight="1.00" use="optional"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockValue" xlink:label="us-gaap_PreferredStockValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="us-gaap_CommitmentsAndContingencies"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShortTermInvestments" xlink:label="us-gaap_ShortTermInvestments"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockCommonValue" xlink:label="us-gaap_TreasuryStockCommonValue"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_GrantReceivable" xlink:label="pstv_GrantReceivable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeCurrent" xlink:label="us-gaap_DeferredIncomeCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Goodwill" xlink:label="us-gaap_Goodwill"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="us-gaap_AdditionalPaidInCapital"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeNoncurrent" xlink:label="us-gaap_DeferredIncomeNoncurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsCurrent" xlink:label="us-gaap_OtherAssetsCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LinesOfCreditCurrent" xlink:label="us-gaap_LinesOfCreditCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherIntangibleAssetsNet" xlink:label="us-gaap_OtherIntangibleAssetsNet"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtCurrent" xlink:label="us-gaap_LongTermDebtCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="us-gaap_OtherAssetsNoncurrent"/>
        </link:calculationLink>
        <link:calculationLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations">
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NonoperatingIncomeExpense" xlink:to="us-gaap_InvestmentIncomeInterest" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_ResearchAndDevelopmentExpense" order="0" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_Revenues" order="0" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NonoperatingIncomeExpense" xlink:to="pstv_FinancingExpense" order="1" weight="-1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NonoperatingIncomeExpense" order="1" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NonoperatingIncomeExpense" xlink:to="us-gaap_FairValueAdjustmentOfWarrants" order="2" weight="-1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_OperatingExpenses" order="2" weight="-1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NonoperatingIncomeExpense" xlink:to="pstv_WarrantIssuanceCosts" order="3" weight="-1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_GeneralAndAdministrativeExpense" order="3" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NonoperatingIncomeExpense" xlink:to="us-gaap_InterestExpenseNonoperating" order="4" weight="-1" use="optional"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="us-gaap_NonoperatingIncomeExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="us-gaap_InvestmentIncomeInterest"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_FinancingExpense" xlink:label="pstv_FinancingExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAdjustmentOfWarrants" xlink:label="us-gaap_FairValueAdjustmentOfWarrants"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_WarrantIssuanceCosts" xlink:label="pstv_WarrantIssuanceCosts"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="us-gaap_GeneralAndAdministrativeExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseNonoperating" xlink:label="us-gaap_InterestExpenseNonoperating"/>
        </link:calculationLink>
        <link:calculationLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows">
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetIncomeLoss" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_RepaymentsOfLongTermDebt" order="0" weight="-1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_DepreciationDepletionAndAmortization" order="1" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_ProceedsFromIssuanceOrSaleOfEquity" order="1" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" order="1" weight="-1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities" order="1" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_AmortizationOfFinancingCostsAndDiscounts" order="2" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="pstv_ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts" order="2" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_PaymentsToAcquireIntangibleAssets" order="2" weight="-1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities" order="2" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" order="3" weight="-1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_ProceedsFromLinesOfCredit" order="3" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_PaymentsToAcquireShortTermInvestments" order="3" weight="-1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="pstv_NonCashFinancingExpense" order="4" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="pstv_RedemptionOfShortTermInvestments" order="4" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="pstv_CommonStockIssuedForResearchAndDevelopment" order="5" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_PaymentsOfStockIssuanceCosts" order="5" weight="-1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_PaymentsForRepurchaseOfEquity" order="6" weight="-1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_FairValueAdjustmentOfWarrants" order="7" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="pstv_CashPaidForIPRDAssetAcquiredInAnAssetAcquisition" order="7" weight="-1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_GainLossOnDispositionOfAssets" order="8" weight="-1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense" order="9" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_ShareBasedCompensation" order="10" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_IncreaseDecreaseInOtherNoncurrentAssets" order="11" weight="-1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="pstv_IncreaseDecreaseInGrantReceivable" order="13" weight="-1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="pstv_IncreaseDecreaseInDeferredGrantLiability" order="14" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_IncreaseDecreaseInOperatingLeaseLiability" order="18" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" order="21" weight="1.00" use="optional"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="us-gaap_RepaymentsOfLongTermDebt"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="us-gaap_DepreciationDepletionAndAmortization"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOrSaleOfEquity" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts" xlink:label="pstv_ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireIntangibleAssets" xlink:label="us-gaap_PaymentsToAcquireIntangibleAssets"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="us-gaap_ProceedsFromLinesOfCredit"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireShortTermInvestments" xlink:label="us-gaap_PaymentsToAcquireShortTermInvestments"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_NonCashFinancingExpense" xlink:label="pstv_NonCashFinancingExpense"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_RedemptionOfShortTermInvestments" xlink:label="pstv_RedemptionOfShortTermInvestments"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CommonStockIssuedForResearchAndDevelopment" xlink:label="pstv_CommonStockIssuedForResearchAndDevelopment"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsOfStockIssuanceCosts" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForRepurchaseOfEquity" xlink:label="us-gaap_PaymentsForRepurchaseOfEquity"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAdjustmentOfWarrants" xlink:label="us-gaap_FairValueAdjustmentOfWarrants"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CashPaidForIPRDAssetAcquiredInAnAssetAcquisition" xlink:label="pstv_CashPaidForIPRDAssetAcquiredInAnAssetAcquisition"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="us-gaap_GainLossOnDispositionOfAssets"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense" xlink:label="us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssets" xlink:label="us-gaap_IncreaseDecreaseInOtherNoncurrentAssets"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_IncreaseDecreaseInGrantReceivable" xlink:label="pstv_IncreaseDecreaseInGrantReceivable"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_IncreaseDecreaseInDeferredGrantLiability" xlink:label="pstv_IncreaseDecreaseInDeferredGrantLiability"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOperatingLeaseLiability" xlink:label="us-gaap_IncreaseDecreaseInOperatingLeaseLiability"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
        </link:calculationLink>
        <link:calculationLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareOfCommonStockDetails">
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:to="us-gaap_NetIncomeLoss" order="0" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:to="pstv_ChangeInFairValueOfWarrants" order="1" weight="-1" use="optional"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_ChangeInFairValueOfWarrants" xlink:label="pstv_ChangeInFairValueOfWarrants"/>
        </link:calculationLink>
        <link:calculationLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails2">
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="us-gaap_OperatingLeaseLiability" order="1" weight="1.00" use="optional"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiability" xlink:label="us-gaap_OperatingLeaseLiability"/>
        </link:calculationLink>
        <link:calculationLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsOtherCurrentAssetsDetails">
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_OtherAssetsCurrent" xlink:to="us-gaap_OtherPrepaidExpenseCurrent" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_OtherAssetsCurrent" xlink:to="us-gaap_OtherDeferredCostsNet" order="1" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_OtherAssetsCurrent" xlink:to="us-gaap_PrepaidInsurance" order="2" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_OtherAssetsCurrent" xlink:to="pstv_Other" order="3" weight="1.00" use="optional"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsCurrent" xlink:label="us-gaap_OtherAssetsCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherPrepaidExpenseCurrent" xlink:label="us-gaap_OtherPrepaidExpenseCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherDeferredCostsNet" xlink:label="us-gaap_OtherDeferredCostsNet"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrepaidInsurance" xlink:label="us-gaap_PrepaidInsurance"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_Other" xlink:label="pstv_Other"/>
        </link:calculationLink>
        <link:calculationLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentNetDetails">
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentGross" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="pstv_OfficeAndComputerEquipmentGross" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" order="1" weight="-1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="us-gaap_LeaseholdImprovementsGross" order="1" weight="1.00" use="optional"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="us-gaap_PropertyPlantAndEquipmentGross"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_OfficeAndComputerEquipmentGross" xlink:label="pstv_OfficeAndComputerEquipmentGross"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseholdImprovementsGross" xlink:label="us-gaap_LeaseholdImprovementsGross"/>
        </link:calculationLink>
        <link:calculationLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsIntangibleAssetsNetDetails">
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsGross" order="0" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" order="1" weight="-1" use="optional"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
        </link:calculationLink>
        <link:calculationLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsFutureAmortizationExpenseOnIntangibleAssetsDetails">
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" order="0" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" order="1" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" order="2" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" order="3" weight="1" use="optional"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
        </link:calculationLink>
        <link:calculationLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails">
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="us-gaap_AccountsPayableCurrent" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="us-gaap_AccruedBonusesCurrent" order="1" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="us-gaap_AccruedProfessionalFeesCurrent" order="2" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="pstv_AccruedVacationAndCompensationCurrent" order="3" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="us-gaap_InterestPayableCurrent" order="4" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="pstv_AccruedResearchAndDevelopmentStudies" order="5" weight="1.00" use="optional"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableCurrent" xlink:label="us-gaap_AccountsPayableCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedBonusesCurrent" xlink:label="us-gaap_AccruedBonusesCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedProfessionalFeesCurrent" xlink:label="us-gaap_AccruedProfessionalFeesCurrent"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AccruedVacationAndCompensationCurrent" xlink:label="pstv_AccruedVacationAndCompensationCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestPayableCurrent" xlink:label="us-gaap_InterestPayableCurrent"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_AccruedResearchAndDevelopmentStudies" xlink:label="pstv_AccruedResearchAndDevelopmentStudies"/>
        </link:calculationLink>
        <link:calculationLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfLeaseCostsDetails">
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_LeaseCost" xlink:to="us-gaap_OperatingLeaseCost" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="pstv_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities" xlink:to="us-gaap_OperatingLeasePayments" order="0" weight="1.00" use="optional"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseCost" xlink:label="us-gaap_LeaseCost"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseCost" xlink:label="us-gaap_OperatingLeaseCost"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities" xlink:label="pstv_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeasePayments" xlink:label="us-gaap_OperatingLeasePayments"/>
        </link:calculationLink>
        <link:calculationLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails">
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_OperatingLeaseLiability" xlink:to="us-gaap_OperatingLeaseLiabilityCurrent" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_OperatingLeaseLiability" xlink:to="us-gaap_OperatingLeaseLiabilityNoncurrent" order="1" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" order="1" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" order="2" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="pstv_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" order="4" weight="1.00" use="optional"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiability" xlink:label="us-gaap_OperatingLeaseLiability"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" xlink:label="pstv_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour"/>
        </link:calculationLink>
        <link:calculationLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails">
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" order="0" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" order="1" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" order="2" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost" order="3" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="pstv_EffectiveIncomeTaxRateReconciliationWarrants" order="4" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="pstv_EffectiveIncomeTaxRateReconciliationNetOperatingLossExpiration" order="5" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch" order="6" weight="-1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="pstv_EffectiveIncomeTaxRateReconciliationTaxReturnToProvision" order="7" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="pstv_EffectiveIncomeTaxRateReconciliationFinancingExpense" order="9" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="pstv_EffectiveIncomeTaxRateReconciliationMarkToMarket" order="10" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent" order="11" weight="1" use="optional"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_EffectiveIncomeTaxRateReconciliationWarrants" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationWarrants"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_EffectiveIncomeTaxRateReconciliationNetOperatingLossExpiration" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationNetOperatingLossExpiration"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_EffectiveIncomeTaxRateReconciliationTaxReturnToProvision" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationTaxReturnToProvision"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_EffectiveIncomeTaxRateReconciliationFinancingExpense" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationFinancingExpense"/>
          <link:loc xlink:type="locator" xlink:href="pstv-20241231.xsd#pstv_EffectiveIncomeTaxRateReconciliationMarkToMarket" xlink:label="pstv_EffectiveIncomeTaxRateReconciliationMarkToMarket"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent"/>
        </link:calculationLink>
        <link:calculationLink xlink:type="extended" xlink:role="http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails">
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_DeferredTaxLiabilities" xlink:to="us-gaap_DeferredTaxAssetsNet" order="0" weight="-1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_DeferredIncomeTaxLiabilities" xlink:to="us-gaap_DeferredTaxLiabilitiesOther" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_DeferredTaxAssetsNet" xlink:to="us-gaap_DeferredTaxAssetsGross" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_DeferredTaxAssetsGross" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" order="0" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_DeferredTaxLiabilities" xlink:to="us-gaap_DeferredIncomeTaxLiabilities" order="1" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_DeferredTaxAssetsNet" xlink:to="us-gaap_DeferredTaxAssetsValuationAllowance" order="1" weight="-1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_DeferredTaxAssetsGross" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost" order="1" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_DeferredTaxAssetsGross" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" order="2" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_DeferredTaxAssetsGross" xlink:to="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards" order="3" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_DeferredTaxAssetsGross" xlink:to="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment" order="4" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_DeferredTaxAssetsGross" xlink:to="us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets" order="5" weight="1.00" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_DeferredTaxAssetsGross" xlink:to="us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment" order="6" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_DeferredTaxAssetsGross" xlink:to="us-gaap_DeferredTaxAssetsOther" order="7" weight="1.00" use="optional"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilities" xlink:label="us-gaap_DeferredTaxLiabilities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="us-gaap_DeferredTaxAssetsNet"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="us-gaap_DeferredIncomeTaxLiabilities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilitiesOther" xlink:label="us-gaap_DeferredTaxLiabilitiesOther"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="us-gaap_DeferredTaxAssetsGross"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwards" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment" xlink:label="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets" xlink:label="us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment" xlink:label="us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="us-gaap_DeferredTaxAssetsOther"/>
        </link:calculationLink>
      </link:linkbase>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element id="pstv_PersonnelRelatedExpensesMember" name="PersonnelRelatedExpensesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_EffectiveIncomeTaxRateReconciliationTaxReturnToProvision" name="EffectiveIncomeTaxRateReconciliationTaxReturnToProvision" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_ScheduleOfRightOfUseAssetsAndLeaseLiabilitiesTableTextBlock" name="ScheduleOfRightOfUseAssetsAndLeaseLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_WarrantsRemainOutstandingPercentage" name="WarrantsRemainOutstandingPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pstv_LincolnParkCapitalFundLLCMember" name="LincolnParkCapitalFundLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_ConsiderationPaidToPreferredStockHolders" name="ConsiderationPaidToPreferredStockHolders" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pstv_ContractEffectiveDate" name="ContractEffectiveDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_PrefundedWarrantMember" name="PrefundedWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_OfferingCosts" name="OfferingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_BioceptAgreementMember" name="BioceptAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_FirstPaymentReceived" name="FirstPaymentReceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_RedemptionOfShortTermInvestments" name="RedemptionOfShortTermInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_EffectiveIncomeTaxRateReconciliationNetOperatingLossExpiration" name="EffectiveIncomeTaxRateReconciliationNetOperatingLossExpiration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_CumulativeChangeInOwnership" name="CumulativeChangeInOwnership" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pstv_StockIssuedDuringPeriodValueReclassificationOfWarrantsToEquity" name="StockIssuedDuringPeriodValueReclassificationOfWarrantsToEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pstv_PeriodExercisableFromTheDateOfIssuance" name="PeriodExercisableFromTheDateOfIssuance" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_ExerciseOfPreFundedWarrantsShares" name="ExerciseOfPreFundedWarrantsShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_NetOperatingLossCarryforward" name="NetOperatingLossCarryforward" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pstv_ChangeInFairValueOfWarrants" name="ChangeInFairValueOfWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_LicenseAgreementAbstract" name="LicenseAgreementAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" name="LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pstv_CpritGrantFundingTerm" name="CpritGrantFundingTerm" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_MaximumGrantAmountToBeReceivedAsPerGrantContract" name="MaximumGrantAmountToBeReceivedAsPerGrantContract" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_TwentyTwentyRepurchaseAgreementMember" name="TwentyTwentyRepurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_AccruedLicensePayable" name="AccruedLicensePayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pstv_EffectiveIncomeTaxRateReconciliationFinancingExpense" name="EffectiveIncomeTaxRateReconciliationFinancingExpense" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_PreFundedWarrantsMember" name="PreFundedWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_InitialSubscriptionMember" name="InitialSubscriptionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_WarrantsPolicyPolicyTextBlock" name="WarrantsPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_SeriesAWarrantAndSeriesBWarrantMember" name="SeriesAWarrantAndSeriesBWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_SeriesAWarrantMember" name="SeriesAWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_CommonStockIssuedForResearchAndDevelopment" name="CommonStockIssuedForResearchAndDevelopment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_PeriodForMaterialChangesOfLiabilityForUncertainTaxBenefits" name="PeriodForMaterialChangesOfLiabilityForUncertainTaxBenefits" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_OfficeAndComputerEquipmentGross" name="OfficeAndComputerEquipmentGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_WarrantLiabilityMember" name="WarrantLiabilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_InitialCommitmentFee" name="InitialCommitmentFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pstv_OptionsMember" name="OptionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_SPEAWarrantsMember" name="SPEAWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_StockBasedCompensation2015EquityIncentivePlan1Member" name="StockBasedCompensation2015EquityIncentivePlan1Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_SeriesBWarrantMember" name="SeriesBWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_NumberOfMaximumCommonSharesCanBeResale" name="NumberOfMaximumCommonSharesCanBeResale" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pstv_InitialCommitmentShares" name="InitialCommitmentShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pstv_MaximumBeneficialOwnershipPercentage" name="MaximumBeneficialOwnershipPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_AmountToBeReceivedAsAwardForResearchAndDevelopment" name="AmountToBeReceivedAsAwardForResearchAndDevelopment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_NewCapitalSubscriptionsMember" name="NewCapitalSubscriptionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_CancerPreventionAndResearchInstituteOfTexasContractMember" name="CancerPreventionAndResearchInstituteOfTexasContractMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_CashDeposits" name="CashDeposits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pstv_MarchTwoThousandTwentyFivePrivatePlacementMember" name="MarchTwoThousandTwentyFivePrivatePlacementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_PercentageOfAggregateAmountOfProceedsAwardedUnderCpritGrant" name="PercentageOfAggregateAmountOfProceedsAwardedUnderCpritGrant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_PurchasePriceOfShare" name="PurchasePriceOfShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pstv_SeriesFConvertiblePreferredStockMember" name="SeriesFConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_CashPaidDuringPeriodForAbstract" name="CashPaidDuringPeriodForAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts" name="ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_SummaryOfSignificantAccountingPoliciesLineItems" name="SummaryOfSignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_SecuritiesPurchaseAndExchangeAgreementMember" name="SecuritiesPurchaseAndExchangeAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_PercentageOfGrantProceedsWithInterestNotExceedAnnually" name="PercentageOfGrantProceedsWithInterestNotExceedAnnually" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_TwoThousandAndTwentyTwoPurchaseAgreementMember" name="TwoThousandAndTwentyTwoPurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_AdditionalSubscriptionMember" name="AdditionalSubscriptionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_TwoThousandTwentyTwoDistributionAgreementMember" name="TwoThousandTwentyTwoDistributionAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_Available-For-SalesAndShort-TermInvestmentsDateOfPurchaseTerm" name="Available-For-SalesAndShort-TermInvestmentsDateOfPurchaseTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_BioceptAssetAcquisitionsMember" name="BioceptAssetAcquisitionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_SalesAgreementMember" name="SalesAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_MaximumValueOfSharesToBeIssuedUnderAgreement" name="MaximumValueOfSharesToBeIssuedUnderAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pstv_PercentageOfCreditFacilityCannotExceedCollateralizedMarketableSecurities" name="PercentageOfCreditFacilityCannotExceedCollateralizedMarketableSecurities" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_Other" name="Other" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_AccountingStandardsUpdate202403Member" name="AccountingStandardsUpdate202403Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_SeptemberTwoThousandAndTwentyTwoDistributionAgreementMember" name="SeptemberTwoThousandAndTwentyTwoDistributionAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_LicenseAgreementDisclosureTextBlock" name="LicenseAgreementDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_RestrictedBeneficialOwnershipLevelResultOfExerciseOfWarrantToReceivePreFundedWarrant" name="RestrictedBeneficialOwnershipLevelResultOfExerciseOfWarrantToReceivePreFundedWarrant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_PrivatePlacementAndPrefundedWarrantMember" name="PrivatePlacementAndPrefundedWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_CashPaidForIPRDAssetAcquiredInAnAssetAcquisition" name="CashPaidForIPRDAssetAcquiredInAnAssetAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pstv_DeferredTaxAssetsValuationAllowances" name="DeferredTaxAssetsValuationAllowances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pstv_PreferredStockDividendRatePercentageEliminatedDate" name="PreferredStockDividendRatePercentageEliminatedDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_SummaryOfSignificantAccountingPoliciesTable" name="SummaryOfSignificantAccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_IncomeTaxesTable" name="IncomeTaxesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_TwoThousandEighteenRightsOfferingMember" name="TwoThousandEighteenRightsOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_FairValueOfWarrantLiabilityReclassifiedToEquity" name="FairValueOfWarrantLiabilityReclassifiedToEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pstv_SecuritiesPurchaseAgreementMember" name="SecuritiesPurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_GrossProceedsFromIssuanceOfCommonStock" name="GrossProceedsFromIssuanceOfCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_MaintainMinimumMarketValueOfListedSecurities" name="MaintainMinimumMarketValueOfListedSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_OperatingLossCarryforwardsExpirationDates1" name="OperatingLossCarryforwardsExpirationDates1" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_MaximumBeneficialOwnershipPercentageByElectionOfHolder" name="MaximumBeneficialOwnershipPercentageByElectionOfHolder" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_ProfessionalExpensesMember" name="ProfessionalExpensesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_AccruedResearchAndDevelopmentStudies" name="AccruedResearchAndDevelopmentStudies" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pstv_JanuaryTwoThousandAndTwentyTwoDistributionAgreementMember" name="JanuaryTwoThousandAndTwentyTwoDistributionAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_GrantReceivable" name="GrantReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_CharlottesvilleMember" name="CharlottesvilleMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_DepartmentOfDefenseAwardMember" name="DepartmentOfDefenseAwardMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_CongressionallyDirectedMedicalResearchProgramsMember" name="CongressionallyDirectedMedicalResearchProgramsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassificationToEquity" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassificationToEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pstv_MayTwoThousandTwentyFourPurchaseAgreementMember" name="MayTwoThousandTwentyFourPurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_ContractTerminationDate" name="ContractTerminationDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_PershingCreditFacilityMember" name="PershingCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_May2024PrivatePlacementMember" name="May2024PrivatePlacementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_GrantFundingTerm" name="GrantFundingTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_ResearchAndDevelopmentAwardInPeriod" name="ResearchAndDevelopmentAwardInPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_IncomeTaxContingencyAbstract" name="IncomeTaxContingencyAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_AtTheMarketOfferingProgramMember" name="AtTheMarketOfferingProgramMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_TwentyTwentyPurchaseAgreementMember" name="TwentyTwentyPurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_IncomeTaxesLineItems" name="IncomeTaxesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_AggregateExpenseIncludingFeeAndDisbursementExpenses" name="AggregateExpenseIncludingFeeAndDisbursementExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_TaxCreditCarryforwardExpirationDate1" name="TaxCreditCarryforwardExpirationDate1" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_ClassOfWarrantOrRightExpirationPeriod" name="ClassOfWarrantOrRightExpirationPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_CommonStockSalesAvailableForIssuance" name="CommonStockSalesAvailableForIssuance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pstv_SubscriptionAgreementMember" name="SubscriptionAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_UnpaidOfferingCosts" name="UnpaidOfferingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_AggregatePurchasePrice" name="AggregatePurchasePrice" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_IncreaseDecreaseInGrantReceivable" name="IncreaseDecreaseInGrantReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pstv_ExchangeMember" name="ExchangeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_FractionalAdjustmentOfCommonStock" name="FractionalAdjustmentOfCommonStock" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_RightsRelatedToDistributionOfAssets" name="RightsRelatedToDistributionOfAssets" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_EffectiveIncomeTaxRateReconciliationWarrants" name="EffectiveIncomeTaxRateReconciliationWarrants" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_CanaccordGenuityLLCMember" name="CanaccordGenuityLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_PercentageIssuanceOfCommonStock" name="PercentageIssuanceOfCommonStock" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_MeasurementInputCommonStockMarketPriceMember" name="MeasurementInputCommonStockMarketPriceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_NonRule10B51ArrModifiedFlag" name="NonRule10B51ArrModifiedFlag" type="xbrli:booleanItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_PercentageOfNetOperatingLossCarryforwardsAvailableForOffsettingAgainstFutureTaxableIncome" name="PercentageOfNetOperatingLossCarryforwardsAvailableForOffsettingAgainstFutureTaxableIncome" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_LoremVascularPteLtdMember" name="LoremVascularPteLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_DistributionAgreementMember" name="DistributionAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_FinancingExpense" name="FinancingExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_PreClinicalResearchStudyObligationsMember" name="PreClinicalResearchStudyObligationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_CommitmentFeeMember" name="CommitmentFeeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_NetOperatingLossAndResearchAndDevelopmentTaxCreditCarryForwardsToOffsetFutureTaxableIncomePeriod" name="NetOperatingLossAndResearchAndDevelopmentTaxCreditCarryForwardsToOffsetFutureTaxableIncomePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_StockBasedCompensation2020EquityIncentivePlanMember" name="StockBasedCompensation2020EquityIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_NonCashFinancingExpense" name="NonCashFinancingExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_PercentageOfCommissionOnGrossProceedsFromSaleOfCommonStock" name="PercentageOfCommissionOnGrossProceedsFromSaleOfCommonStock" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_SeriesBConvertiblePreferredStockMember" name="SeriesBConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_CashPaymentInformationAbstract" name="CashPaymentInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_NumberOfVotesPerShare" name="NumberOfVotesPerShare" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pstv_AccruedVacationAndCompensationCurrent" name="AccruedVacationAndCompensationCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pstv_IncreaseDecreaseInDeferredGrantLiability" name="IncreaseDecreaseInDeferredGrantLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_Rule10B51ArrModifiedFlag" name="Rule10B51ArrModifiedFlag" type="xbrli:booleanItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_SeriesCConvertiblePreferredStockMember" name="SeriesCConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_CompositionOfCertainFinancialStatementCaptionsAbstract" name="CompositionOfCertainFinancialStatementCaptionsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_TermLoanMember" name="TermLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_NanoTxLicensesAgreementMember" name="NanoTxLicensesAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_AmendmentAndRestatementsMay2024PrivatePlacementMember" name="AmendmentAndRestatementsMay2024PrivatePlacementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_FacilityAndOtherOverheadExpensesMember" name="FacilityAndOtherOverheadExpensesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_DebtInstrumentFloorRate" name="DebtInstrumentFloorRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_FebruaryTwoThousandTwentyFiveSecuritiesPurchaseAndExchangeAgreementsMember" name="FebruaryTwoThousandTwentyFiveSecuritiesPurchaseAndExchangeAgreementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_ManufacturingAgreementWithSpectronRXMember" name="ManufacturingAgreementWithSpectronRXMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities" name="CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pstv_SeriesAConvertiblePreferredStockMember" name="SeriesAConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pstv_OperatingLeasesExpiryYear" name="OperatingLeasesExpiryYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_ScheduleOfOperatingAndFinancingLeaseLiabilityMaturityTableTextBlock" name="ScheduleOfOperatingAndFinancingLeaseLiabilityMaturityTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_NumberOfPreferredStockSharesExercised" name="NumberOfPreferredStockSharesExercised" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_PercentageOfNonDilutiveMonetaryAwardsRequiredToPay" name="PercentageOfNonDilutiveMonetaryAwardsRequiredToPay" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_EffectiveIncomeTaxRateReconciliationMarkToMarket" name="EffectiveIncomeTaxRateReconciliationMarkToMarket" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pstv_WarrantIssuanceCosts" name="WarrantIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pstv_ClinicalDevelopmentAndLicensingExpensesMember" name="ClinicalDevelopmentAndLicensingExpensesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
</xsd:schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>6
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="include/report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.25.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Document and Entity Information - USD ($)<br> $ in Millions</strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2024</div></th>
<th class="th"><div>Jun. 28, 2024</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CoverAbstract', window );"><strong>Cover [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">PLUS THERAPEUTICS, INC.<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0001095981<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">PSTV<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CurrentFiscalYearEndDate', window );">Current Fiscal Year End Date</a></td>
<td class="text">--12-31<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityWellKnownSeasonedIssuer', window );">Entity Well-known Seasoned Issuer</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityVoluntaryFilers', window );">Entity Voluntary Filers</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityInteractiveDataCurrent', window );">Entity Interactive Data Current</a></td>
<td class="text">Yes<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityCurrentReportingStatus', window );">Entity Current Reporting Status</a></td>
<td class="text">Yes<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityFilerCategory', window );">Entity Filer Category</a></td>
<td class="text">Non-accelerated Filer<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityPublicFloat', window );">Entity Public Float</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 8.2<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentFiscalYearFocus', window );">Document Fiscal Year Focus</a></td>
<td class="text">2024<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentFiscalPeriodFocus', window );">Document Fiscal Period Focus</a></td>
<td class="text">FY<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">10-K/A<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Dec. 31,  2024<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityShellCompany', window );">Entity Shell Company</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntitySmallBusiness', window );">Entity Small Business</a></td>
<td class="text">true<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_IcfrAuditorAttestationFlag', window );">ICFR Auditor Attestation Flag</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentFinStmtErrorCorrectionFlag', window );">Document Financial Statement Error Correction [Flag]</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common Stock, par value $0.001 per share<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NASDAQ<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">001-34375<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">DE<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">33-0827593<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">2710 REED ROAD<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressAddressLine2', window );">Entity Address, Address Line Two</a></td>
<td class="text">SUITE 160<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">HOUSTON<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">TX<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">77051<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">737<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">255-7194<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentAnnualReport', window );">Document Annual Report</a></td>
<td class="text">true<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentTransitionReport', window );">Document Transition Report</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AmendmentFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CityAreaCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CityAreaCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CoverAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Cover page.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CoverAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CurrentFiscalYearEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>End date of current fiscal year in the format --MM-DD.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CurrentFiscalYearEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:gMonthDayItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentAnnualReport">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true only for a form used as an annual report.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentAnnualReport</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentFinStmtErrorCorrectionFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicates whether any of the financial statement period in the filing include a restatement due to error correction.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation S-K<br> -Number 229<br> -Section 402<br> -Subsection w<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentFinStmtErrorCorrectionFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentFiscalPeriodFocus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentFiscalPeriodFocus</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fiscalPeriodItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentFiscalYearFocus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentFiscalYearFocus</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:gYearItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentTransitionReport">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true only for a form used as a transition report.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Forms 10-K, 10-Q, 20-F<br> -Number 240<br> -Section 13<br> -Subsection a-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentTransitionReport</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Address Line 1 such as Attn, Building Name, Street Name</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Address Line 2 such as Street or Suite number</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressCityOrTown</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressPostalZipCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressPostalZipCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressStateOrProvince">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressStateOrProvince</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:stateOrProvinceItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCurrentReportingStatus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCurrentReportingStatus</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFileNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFileNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fileNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFilerCategory">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFilerCategory</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:filerCategoryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityIncorporationStateCountryCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Two-character EDGAR code representing the state or country of incorporation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityIncorporationStateCountryCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarStateCountryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityInteractiveDataCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation S-T<br> -Number 232<br> -Section 405<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityInteractiveDataCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityPublicFloat">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityPublicFloat</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityShellCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityShellCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntitySmallBusiness">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicates that the company is a Smaller Reporting Company (SRC).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntitySmallBusiness</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityTaxIdentificationNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:employerIdItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityVoluntaryFilers">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityVoluntaryFilers</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityWellKnownSeasonedIssuer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<br> -Section 405<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityWellKnownSeasonedIssuer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_IcfrAuditorAttestationFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_IcfrAuditorAttestationFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LocalPhoneNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LocalPhoneNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_Security12bTitle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_Security12bTitle</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:securityTitleItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SecurityExchangeName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the Exchange on which a security is registered.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection d1-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SecurityExchangeName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarExchangeCodeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_TradingSymbol">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Trading symbol of an instrument as listed on an exchange.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_TradingSymbol</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:tradingSymbolItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>7
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
begin 644 Financial_Report.xlsx
M4$L#!!0    ( *: GEI&QTU(E0   ,T    0    9&]C4')O<',O87!P+GAM
M;$W/30O", P&X+]2=K>9BAZD#D0]BIZ\SRYUA;8I;83Z[^T$/VYY><@;HBZ)
M(B:VF$7Q+N1M,S+'#4#6(_H^R\JABJ'D>ZXQW8&,L1H/I!\> \.B;=> A3$,
M.,SBM[#IU"Y&9W7/ED)WLCI1)L/B6#0ZL2<?J]P<"A#G>B4^BQ-+.9<K!?^+
M4\L54Y[FRF_\9 6_![H74$L#!!0    ( *: GEJGGQ/.[@   "L"   1
M9&]C4')O<',O8V]R92YX;6S-DL%.PS ,AE\%Y=XZ;1F'J,ME:*<A(3$)Q"U*
MO"VB::+$J-W;TX:M$X('X!C[S^?/DEL=A/81GZ,/&,EBNAM=UR>APYJ=B((
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MM5II ,,X?<D3$L/<@HL(2W@4R]9<X%L:+R/6ZK3;W5:$:6RA&$=D8'U>+&A
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M7>EYIK=WDWM)J'7N0;#W\!J-'<V/'[?\ 5!+ P04    " "F@)Y:)!Z;HJT
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M2P$"% ,4    " "F@)Y:1L=-2)4   #-    $               @ $
M9&]C4')O<',O87!P+GAM;%!+ 0(4 Q0    ( *: GEJGGQ/.[@   "L"   1
M              "  <,   !D;V-0<F]P<R]C;W)E+GAM;%!+ 0(4 Q0    (
M *: GEJ97)PC$ 8  )PG   3              "  > !  !X;"]T:&5M92]T
M:&5M93$N>&UL4$L! A0#%     @ IH">6H&,M#R/!@  ?B,  !@
M     ("!(0@  'AL+W=O<FMS:&5E=',O<VAE970Q+GAM;%!+ 0(4 Q0    (
M *: GEI X4E!Z@(  .D-   -              "  >8.  !X;"]S='EL97,N
M>&UL4$L! A0#%     @ IH">6I>*NQS     $P(   L              ( !
M^Q$  %]R96QS+RYR96QS4$L! A0#%     @ IH">6APX9>H_ 0  / (   \
M             ( !Y!(  'AL+W=O<FMB;V]K+GAM;%!+ 0(4 Q0    ( *:
MGEHD'INBK0   /@!   :              "  5 4  !X;"]?<F5L<R]W;W)K
M8F]O:RYX;6PN<F5L<U!+ 0(4 Q0    ( *: GEIED'F2&0$  ,\#   3
M          "  345  !;0V]N=&5N=%]4>7!E<UTN>&UL4$L%!@     )  D
*/@(  '\6      $!

end
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>8
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
// Edgar(tm) Renderer was created by staff of the U.S. Securities and Exchange Commission.  Data and content created by government employees within the scope of their employment are not subject to domestic copyright protection. 17 U.S.C. 105.
var Show={};Show.LastAR=null,Show.showAR=function(a,r,w){if(Show.LastAR)Show.hideAR();var e=a;while(e&&e.nodeName!='TABLE')e=e.nextSibling;if(!e||e.nodeName!='TABLE'){var ref=((window)?w.document:document).getElementById(r);if(ref){e=ref.cloneNode(!0);
e.removeAttribute('id');a.parentNode.appendChild(e)}}
if(e)e.style.display='block';Show.LastAR=e};Show.hideAR=function(){Show.LastAR.style.display='none'};Show.toggleNext=function(a){var e=a;while(e.nodeName!='DIV')e=e.nextSibling;if(!e.style){}else if(!e.style.display){}else{var d,p_;if(e.style.display=='none'){d='block';p='-'}else{d='none';p='+'}
e.style.display=d;if(a.textContent){a.textContent=p+a.textContent.substring(1)}else{a.innerText=p+a.innerText.substring(1)}}}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>9
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
/* Updated 2009-11-04 */
/* v2.2.0.24 */

/* DefRef Styles */
.report table.authRefData{
	background-color: #def;
	border: 2px solid #2F4497;
	font-size: 1em;
	position: absolute;
}

.report table.authRefData a {
	display: block;
	font-weight: bold;
}

.report table.authRefData p {
	margin-top: 0px;
}

.report table.authRefData .hide {
	background-color: #2F4497;
	padding: 1px 3px 0px 0px;
	text-align: right;
}

.report table.authRefData .hide a:hover {
	background-color: #2F4497;
}

.report table.authRefData .body {
	height: 150px;
	overflow: auto;
	width: 400px;
}

.report table.authRefData table{
	font-size: 1em;
}

/* Report Styles */
.pl a, .pl a:visited {
	color: black;
	text-decoration: none;
}

/* table */
.report {
	background-color: white;
	border: 2px solid #acf;
	clear: both;
	color: black;
	font: normal 8pt Helvetica, Arial, san-serif;
	margin-bottom: 2em;
}

.report hr {
	border: 1px solid #acf;
}

/* Top labels */
.report th {
	background-color: #acf;
	color: black;
	font-weight: bold;
	text-align: center;
}

.report th.void	{
	background-color: transparent;
	color: #000000;
	font: bold 10pt Helvetica, Arial, san-serif;
	text-align: left;
}

.report .pl {
	text-align: left;
	vertical-align: top;
	white-space: normal;
	width: 200px;
	white-space: normal; /* word-wrap: break-word; */
}

.report td.pl a.a {
	cursor: pointer;
	display: block;
	width: 200px;
	overflow: hidden;
}

.report td.pl div.a {
	width: 200px;
}

.report td.pl a:hover {
	background-color: #ffc;
}

/* Header rows... */
.report tr.rh {
	background-color: #acf;
	color: black;
	font-weight: bold;
}

/* Calendars... */
.report .rc {
	background-color: #f0f0f0;
}

/* Even rows... */
.report .re, .report .reu {
	background-color: #def;
}

.report .reu td {
	border-bottom: 1px solid black;
}

/* Odd rows... */
.report .ro, .report .rou {
	background-color: white;
}

.report .rou td {
	border-bottom: 1px solid black;
}

.report .rou table td, .report .reu table td {
	border-bottom: 0px solid black;
}

/* styles for footnote marker */
.report .fn {
	white-space: nowrap;
}

/* styles for numeric types */
.report .num, .report .nump {
	text-align: right;
	white-space: nowrap;
}

.report .nump {
	padding-left: 2em;
}

.report .nump {
	padding: 0px 0.4em 0px 2em;
}

/* styles for text types */
.report .text {
	text-align: left;
	white-space: normal;
}

.report .text .big {
	margin-bottom: 1em;
	width: 17em;
}

.report .text .more {
	display: none;
}

.report .text .note {
	font-style: italic;
	font-weight: bold;
}

.report .text .small {
	width: 10em;
}

.report sup {
	font-style: italic;
}

.report .outerFootnotes {
	font-size: 1em;
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>11
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.25.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>2</ContextCount>
  <ElementCount>34</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>0</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>1</UnitCount>
  <MyReports>
    <Report instance="pstv-20241231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>100000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-K/A" isDefinitelyFs="true" isOnlyDei="true" isUsgaap="true" original="pstv-20241231.htm">pstv-20241231.htm</File>
    <File>pstv-20241231.xsd</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="34">http://xbrl.sec.gov/dei/2024</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>false</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>14
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
{
 "version": "2.2",
 "instance": {
  "pstv-20241231.htm": {
   "nsprefix": "pstv",
   "nsuri": "http://www.plustherapeutics.com/20241231",
   "dts": {
    "inline": {
     "local": [
      "pstv-20241231.htm"
     ]
    },
    "schema": {
     "local": [
      "pstv-20241231.xsd"
     ],
     "remote": [
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://www.xbrl.org/lrr/arcrole/esma-arcrole-2018-11-21.xsd",
      "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd",
      "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd",
      "https://www.xbrl.org/2023/calculation-1.1.xsd",
      "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd",
      "https://www.xbrl.org/dtr/type/2022-03-31/types.xsd",
      "https://www.xbrl.org/dtr/type/2024-01-31/types.xsd",
      "https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd",
      "https://xbrl.fasb.org/srt/2024/elts/srt-roles-2024.xsd",
      "https://xbrl.fasb.org/srt/2024/elts/srt-types-2024.xsd",
      "https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd",
      "https://xbrl.fasb.org/us-gaap/2024/elts/us-roles-2024.xsd",
      "https://xbrl.fasb.org/us-gaap/2024/elts/us-types-2024.xsd",
      "https://xbrl.sec.gov/country/2024/country-2024.xsd",
      "https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd",
      "https://xbrl.sec.gov/dei/2024/dei-2024.xsd",
      "https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd",
      "https://xbrl.sec.gov/ecd/2024/ecd-sub-2024.xsd",
      "https://xbrl.sec.gov/stpr/2024/stpr-2024.xsd"
     ]
    }
   },
   "keyStandard": 34,
   "keyCustom": 0,
   "axisStandard": 0,
   "axisCustom": 0,
   "memberStandard": 0,
   "memberCustom": 0,
   "hidden": {
    "total": 4,
    "http://xbrl.sec.gov/dei/2024": 4
   },
   "contextCount": 2,
   "entityCount": 1,
   "segmentCount": 0,
   "elementCount": 807,
   "unitCount": 1,
   "baseTaxonomies": {
    "http://xbrl.sec.gov/dei/2024": 34
   },
   "report": {
    "R1": {
     "role": "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation",
     "longName": "100000 - Document - Document and Entity Information",
     "shortName": "Document and Entity Information",
     "isDefault": "true",
     "groupType": "document",
     "subGroupType": "",
     "menuCat": "Cover",
     "order": "1",
     "firstAnchor": {
      "contextRef": "C_7585d102-bbaf-4d81-928b-c199946f831a",
      "name": "dei:EntityRegistrantName",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "p",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "pstv-20241231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "C_7585d102-bbaf-4d81-928b-c199946f831a",
      "name": "dei:EntityRegistrantName",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "p",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "pstv-20241231.htm",
      "first": true,
      "unique": true
     }
    }
   },
   "tag": {
    "us-gaap_AccountingPoliciesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AccountingPoliciesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounting Policies [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccountingStandardsUpdate202307Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AccountingStandardsUpdate202307Member",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounting Standards Update 2023-07 [Member]",
        "terseLabel": "ASU - 2023-07"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_AccountingStandardsUpdate202403Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "AccountingStandardsUpdate202403Member",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ASU - 2024-03",
        "label": "Accounting Standards Update 2024 03 [Member]",
        "documentation": "Accounting standards update 2024 03."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AccountsPayableAndAccruedLiabilitiesCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0,
       "order": 0.0
      },
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounts Payable and Accrued Liabilities, Current",
        "terseLabel": "Accounts payable and accrued expenses",
        "totalLabel": "Accounts payable and accrued expenses, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounts Payable and Accrued Liabilities [Abstract]",
        "terseLabel": "Accounts Payable and Accrued Expenses [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccountsPayableCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AccountsPayableCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails": {
       "parentTag": "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounts Payable, Current",
        "terseLabel": "Accounts payable",
        "totalLabel": "Accounts Payable, Current, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AccretionAmortizationOfDiscountsAndPremiumsInvestments",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Accretion of discount on short-term investments",
        "label": "Accretion (Amortization) of Discounts and Premiums, Investments",
        "terseLabel": "Accretion of discount on short-term investments"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccruedBonusesCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AccruedBonusesCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails": {
       "parentTag": "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accrued Bonuses, Current",
        "terseLabel": "Accrued payroll and bonus"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_AccruedLicensePayable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "AccruedLicensePayable",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreementsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Accrued license payable.",
        "label": "Accrued License Payable",
        "terseLabel": "Accrued payments due to NanoTx"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccruedProfessionalFeesCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AccruedProfessionalFeesCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails": {
       "parentTag": "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accrued Professional Fees, Current",
        "terseLabel": "Accrued professional fees"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_AccruedResearchAndDevelopmentStudies": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "AccruedResearchAndDevelopmentStudies",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails": {
       "parentTag": "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of obligations incurred through that date and payable for research and development studies.",
        "label": "Accrued Research And Development Studies",
        "terseLabel": "Accrued R&amp;D studies"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_AccruedVacationAndCompensationCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "AccruedVacationAndCompensationCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails": {
       "parentTag": "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Accrued vacation and compensation, current.",
        "label": "Accrued Vacation And Compensation Current",
        "terseLabel": "Accrued vacation and compensation"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentNetDetails": {
       "parentTag": "us-gaap_PropertyPlantAndEquipmentNet",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentNetDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment",
        "negatedLabel": "Less accumulated depreciation",
        "totalLabel": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total",
        "periodStartLabel": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance",
        "periodEndLabel": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_Additional402vDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "Additional402vDisclosureTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additional 402(v) Disclosure [Text Block]",
        "terseLabel": "Additional 402(v) Disclosure"
       }
      }
     },
     "auth_ref": [
      "r50"
     ]
    },
    "us-gaap_AdditionalPaidInCapital": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AdditionalPaidInCapital",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additional Paid in Capital",
        "terseLabel": "Additional paid-in capital",
        "totalLabel": "Additional Paid in Capital, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AdditionalPaidInCapitalMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AdditionalPaidInCapitalMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additional Paid-in Capital [Member]",
        "terseLabel": "Additional Paid-in Capital [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_AdditionalSubscriptionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "AdditionalSubscriptionMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additional Subscription [Member]",
        "documentation": "Additional Subscription."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_AdjToCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AdjToCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustment to Compensation Amount",
        "terseLabel": "Adjustment to Compensation, Amount"
       }
      }
     },
     "auth_ref": [
      "r63"
     ]
    },
    "ecd_AdjToCompAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AdjToCompAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustment to Compensation [Axis]",
        "terseLabel": "Adjustment to Compensation:"
       }
      }
     },
     "auth_ref": [
      "r63"
     ]
    },
    "ecd_AdjToNonPeoNeoCompFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AdjToNonPeoNeoCompFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustment to Non-PEO NEO Compensation Footnote [Text Block]",
        "terseLabel": "Adjustment to Non-PEO NEO Compensation Footnote"
       }
      }
     },
     "auth_ref": [
      "r63"
     ]
    },
    "ecd_AdjToPeoCompFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AdjToPeoCompFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustment To PEO Compensation, Footnote [Text Block]",
        "terseLabel": "Adjustment To PEO Compensation, Footnote"
       }
      }
     },
     "auth_ref": [
      "r63"
     ]
    },
    "us-gaap_AdjustmentsForNewAccountingPronouncementsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AdjustmentsForNewAccountingPronouncementsAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounting Standards Update [Axis]",
        "terseLabel": "Accounting Standards Update"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "APIC, Share-Based Payment Arrangement, Increase for Cost Recognition",
        "terseLabel": "Share-based compensation",
        "totalLabel": "APIC, Share-Based Payment Arrangement, Increase for Cost Recognition, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]",
        "terseLabel": "Adjustments to reconcile net loss to net cash used in operating activities:"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_AggregateExpenseIncludingFeeAndDisbursementExpenses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "AggregateExpenseIncludingFeeAndDisbursementExpenses",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Aggregate expense including fee and disbursement expenses.",
        "label": "Aggregate Expense Including Fee and Disbursement Expenses",
        "verboseLabel": "Reimburse of fee and disbursements expenses"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_AggregatePurchasePrice": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "AggregatePurchasePrice",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregate Purchase Price",
        "documentation": "Aggregate purchase price.",
        "terseLabel": "Aggregate purchase price"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_AggtChngPnsnValInSummryCompstnTblForAplblYrMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AggtChngPnsnValInSummryCompstnTblForAplblYrMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member]",
        "terseLabel": "Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table"
       }
      }
     },
     "auth_ref": [
      "r108"
     ]
    },
    "ecd_AggtErrCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AggtErrCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregate Erroneous Compensation Amount",
        "terseLabel": "Aggregate Erroneous Compensation Amount"
       }
      }
     },
     "auth_ref": [
      "r21",
      "r32",
      "r42",
      "r75"
     ]
    },
    "ecd_AggtErrCompNotYetDeterminedTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AggtErrCompNotYetDeterminedTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregate Erroneous Compensation Not Yet Determined [Text Block]",
        "terseLabel": "Aggregate Erroneous Compensation Not Yet Determined"
       }
      }
     },
     "auth_ref": [
      "r24",
      "r35",
      "r45",
      "r78"
     ]
    },
    "ecd_AggtPnsnAdjsSvcCstMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AggtPnsnAdjsSvcCstMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregate Pension Adjustments Service Cost [Member]",
        "terseLabel": "Aggregate Pension Adjustments Service Cost"
       }
      }
     },
     "auth_ref": [
      "r109"
     ]
    },
    "ecd_AllAdjToCompMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AllAdjToCompMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "All Adjustments to Compensation [Member]",
        "terseLabel": "All Adjustments to Compensation"
       }
      }
     },
     "auth_ref": [
      "r63"
     ]
    },
    "ecd_AllExecutiveCategoriesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AllExecutiveCategoriesMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "All Executive Categories [Member]",
        "terseLabel": "All Executive Categories"
       }
      }
     },
     "auth_ref": [
      "r70"
     ]
    },
    "ecd_AllIndividualsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AllIndividualsMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure",
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure",
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements",
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "All Individuals [Member]",
        "terseLabel": "All Individuals"
       }
      }
     },
     "auth_ref": [
      "r25",
      "r36",
      "r46",
      "r70",
      "r79",
      "r83",
      "r91"
     ]
    },
    "ecd_AllTradingArrangementsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AllTradingArrangementsMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "All Trading Arrangements [Member]",
        "terseLabel": "All Trading Arrangements"
       }
      }
     },
     "auth_ref": [
      "r89"
     ]
    },
    "pstv_AmendmentAndRestatementsMay2024PrivatePlacementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "AmendmentAndRestatementsMay2024PrivatePlacementMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amendment and Restatements May 2024 Private Placement [Member]",
        "documentation": "Amendment and restatements May 2024 private placement."
       }
      }
     },
     "auth_ref": []
    },
    "dei_AmendmentFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "AmendmentFlag",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amendment Flag",
        "terseLabel": "Amendment Flag",
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AmortizationOfFinancingCostsAndDiscounts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AmortizationOfFinancingCostsAndDiscounts",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amortization of Debt Issuance Costs and Discounts",
        "terseLabel": "Amortization of deferred financing costs and debt discount",
        "totalLabel": "Amortization of Debt Issuance Costs and Discounts, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AmortizationOfIntangibleAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AmortizationOfIntangibleAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amortization of Intangible Assets",
        "terseLabel": "Amortization",
        "negatedLabel": "Accumulated Amortization"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_AmountToBeReceivedAsAwardForResearchAndDevelopment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "AmountToBeReceivedAsAwardForResearchAndDevelopment",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amount To Be Received As Award For Research And Development",
        "documentation": "Amount to be received as award for research and development.",
        "terseLabel": "Amount to be received as award for research and development"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfAntidilutiveSecuritiesExcludedFromDilutedLossPerShareDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount",
        "terseLabel": "Dilutive common shares excluded from the calculations of diluted loss per share (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfAntidilutiveSecuritiesExcludedFromDilutedLossPerShareDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]",
        "terseLabel": "Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ArrangementsAndNonarrangementTransactionsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ArrangementsAndNonarrangementTransactionsMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Collaborative Arrangement and Arrangement Other than Collaborative [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AssetAcquisitionAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AssetAcquisitionAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Asset Acquisition [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AssetAcquisitionAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AssetAcquisitionAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureBioceptAssetAcquisitionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Asset Acquisition [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AssetAcquisitionDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AssetAcquisitionDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureBioceptAssetAcquisitionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Asset Acquisition [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AssetAcquisitionLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AssetAcquisitionLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureBioceptAssetAcquisitionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Asset Acquisition [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AssetAcquisitionTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AssetAcquisitionTable",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureBioceptAssetAcquisitionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Asset Acquisition [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AssetAcquisitionTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AssetAcquisitionTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureBioceptAssetAcquisitions1"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Asset Acquisition [Text Block]",
        "terseLabel": "Biocept Asset Acquisitions"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AssetImpairmentCharges": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AssetImpairmentCharges",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Asset Impairment Charges",
        "terseLabel": "Impairment charges",
        "totalLabel": "Asset Impairment Charges, Total",
        "verboseLabel": "Impairment related to long lived assets or goodwill"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_Assets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "Assets",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total assets",
        "label": "Assets"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AssetsAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets [Abstract]",
        "terseLabel": "Assets"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AssetsCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AssetsCurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_Assets",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets, Current",
        "totalLabel": "Total current assets"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AssetsCurrentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AssetsCurrentAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets, Current [Abstract]",
        "terseLabel": "Current assets:"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AssetsFairValueDisclosure": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AssetsFairValueDisclosure",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair Value",
        "label": "Assets, Fair Value Disclosure",
        "totalLabel": "Assets, Fair Value Disclosure, Total"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_AtTheMarketOfferingProgramMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "AtTheMarketOfferingProgramMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "At the market offering program.",
        "label": "At The Market Offering Program [Member]",
        "terseLabel": "At The Market Offering Program [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "dei_AuditorFirmId": {
     "xbrltype": "nonemptySequenceNumberItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "AuditorFirmId",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Auditor Firm ID",
        "terseLabel": "Auditor Firm ID",
        "documentation": "PCAOB issued Audit Firm Identifier"
       }
      }
     },
     "auth_ref": [
      "r4",
      "r5",
      "r28"
     ]
    },
    "dei_AuditorLocation": {
     "xbrltype": "internationalNameItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "AuditorLocation",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Auditor Location",
        "terseLabel": "Auditor Location"
       }
      }
     },
     "auth_ref": [
      "r4",
      "r5",
      "r28"
     ]
    },
    "dei_AuditorName": {
     "xbrltype": "internationalNameItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "AuditorName",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Auditor Name",
        "terseLabel": "Auditor Name"
       }
      }
     },
     "auth_ref": [
      "r4",
      "r5",
      "r28"
     ]
    },
    "dei_AuditorOpinionTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "AuditorOpinionTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Auditor Opinion [Text Block]",
        "terseLabel": "Auditor Opinion"
       }
      }
     },
     "auth_ref": [
      "r112"
     ]
    },
    "pstv_Available-For-SalesAndShort-TermInvestmentsDateOfPurchaseTerm": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "Available-For-SalesAndShort-TermInvestmentsDateOfPurchaseTerm",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureInvestmentsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Available-For-Sales and Short-Term Investments Date of Purchase Term",
        "documentation": "Available-for-sales and short-term investments date of purchase term.",
        "terseLabel": "Available-for-sales and short-term investments date of purchase term"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AvailableForSaleDebtSecuritiesAmortizedCostBasis",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureInvestmentsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Securities, Available-for-Sale, Amortized Cost",
        "totalLabel": "Debt Securities, Available-for-Sale, Amortized Cost, Total",
        "terseLabel": "Debt Securities, available-for-sale, amortized cost and fair value"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AvailableForSaleDebtSecuritiesGrossUnrealizedLoss",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Securities, Available-for-Sale, Unrealized Loss",
        "terseLabel": "Unrealized loss on available-for-sale",
        "verboseLabel": "Total unrealized loss on available-for-sale securities"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AvailableForSaleSecuritiesPurchasedOptionsPricePolicy": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AvailableForSaleSecuritiesPurchasedOptionsPricePolicy",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Securities, Available-for-Sale, Premium on Purchased Options [Policy Text Block]",
        "terseLabel": "Available-for-Sale Securities"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_AwardExrcPrice": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AwardExrcPrice",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Exercise Price",
        "terseLabel": "Exercise Price"
       }
      }
     },
     "auth_ref": [
      "r86"
     ]
    },
    "ecd_AwardGrantDateFairValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AwardGrantDateFairValue",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Grant Date Fair Value",
        "terseLabel": "Fair Value as of Grant Date"
       }
      }
     },
     "auth_ref": [
      "r87"
     ]
    },
    "ecd_AwardTmgDiscLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AwardTmgDiscLineItems",
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Timing Disclosures [Line Items]",
        "terseLabel": "Award Timing Disclosures"
       }
      }
     },
     "auth_ref": [
      "r82"
     ]
    },
    "ecd_AwardTmgHowMnpiCnsdrdTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AwardTmgHowMnpiCnsdrdTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Timing, How MNPI Considered [Text Block]",
        "terseLabel": "Award Timing, How MNPI Considered"
       }
      }
     },
     "auth_ref": [
      "r82"
     ]
    },
    "ecd_AwardTmgMethodTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AwardTmgMethodTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Timing Method [Text Block]",
        "terseLabel": "Award Timing Method"
       }
      }
     },
     "auth_ref": [
      "r82"
     ]
    },
    "ecd_AwardTmgMnpiCnsdrdFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AwardTmgMnpiCnsdrdFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Timing MNPI Considered [Flag]",
        "terseLabel": "Award Timing MNPI Considered"
       }
      }
     },
     "auth_ref": [
      "r82"
     ]
    },
    "ecd_AwardTmgMnpiDiscTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AwardTmgMnpiDiscTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Timing MNPI Disclosure [Text Block]",
        "terseLabel": "Award Timing MNPI Disclosure"
       }
      }
     },
     "auth_ref": [
      "r82"
     ]
    },
    "ecd_AwardTmgPredtrmndFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AwardTmgPredtrmndFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Timing Predetermined [Flag]",
        "terseLabel": "Award Timing Predetermined"
       }
      }
     },
     "auth_ref": [
      "r82"
     ]
    },
    "us-gaap_AwardTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AwardTypeAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Type [Axis]",
        "terseLabel": "Award Type"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_AwardUndrlygSecuritiesAmt": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AwardUndrlygSecuritiesAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Underlying Securities Amount",
        "terseLabel": "Underlying Securities"
       }
      }
     },
     "auth_ref": [
      "r85"
     ]
    },
    "ecd_AwardsCloseToMnpiDiscIndName": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AwardsCloseToMnpiDiscIndName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Awards Close in Time to MNPI Disclosures, Individual Name",
        "terseLabel": "Name"
       }
      }
     },
     "auth_ref": [
      "r84"
     ]
    },
    "ecd_AwardsCloseToMnpiDiscTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AwardsCloseToMnpiDiscTable",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Awards Close in Time to MNPI Disclosures [Table]",
        "terseLabel": "Awards Close in Time to MNPI Disclosures"
       }
      }
     },
     "auth_ref": [
      "r83"
     ]
    },
    "ecd_AwardsCloseToMnpiDiscTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "AwardsCloseToMnpiDiscTableTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Awards Close in Time to MNPI Disclosures [Table Text Block]",
        "terseLabel": "Awards Close in Time to MNPI Disclosures, Table"
       }
      }
     },
     "auth_ref": [
      "r83"
     ]
    },
    "pstv_BioceptAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "BioceptAgreementMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreementsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Biocept Agreement [Member]",
        "label": "Biocept Agreement [Member]",
        "documentation": "Biocept Agreement."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_BioceptAssetAcquisitionsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "BioceptAssetAcquisitionsMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureBioceptAssetAcquisitionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Biocept Asset Acquisitions [Member]",
        "documentation": "Biocept asset acquisitions.",
        "terseLabel": "Biocept Asset Acquisitions [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_BusinessCombinationAcquisitionRelatedCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "BusinessCombinationAcquisitionRelatedCosts",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureBioceptAssetAcquisitionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Business Combination, Acquisition Related Costs",
        "terseLabel": "Costs of acquisitions"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_CanaccordGenuityLLCMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "CanaccordGenuityLLCMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Canaccord Genuity L L C Member",
        "label": "Canaccord Genuity L L C [Member]",
        "terseLabel": "Canaccord Genuity LLC [Member]",
        "verboseLabel": "Canaccord Genuity LLC [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_CancerPreventionAndResearchInstituteOfTexasContractMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "CancerPreventionAndResearchInstituteOfTexasContractMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cancer prevention and research institute of texas contract.",
        "label": "Cancer Prevention And Research Institute Of Texas Contract [Member]",
        "terseLabel": "CPRIT Contract [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CashAndCashEquivalentsAtCarryingValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CashAndCashEquivalentsAtCarryingValue",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureOrganizationAndOperationsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash and Cash Equivalents, at Carrying Value",
        "terseLabel": "Cash and cash equivalents",
        "totalLabel": "Cash and Cash Equivalents, at Carrying Value, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CashAndCashEquivalentsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CashAndCashEquivalentsAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cash and Cash Equivalents [Axis]",
        "label": "Cash and Cash Equivalents [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CashAndCashEquivalentsFairValueDisclosure": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CashAndCashEquivalentsFairValueDisclosure",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash and Cash Equivalents, Fair Value Disclosure",
        "terseLabel": "Cash equivalents"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CashAndCashEquivalentsPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CashAndCashEquivalentsPolicyTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash and Cash Equivalents, Policy [Policy Text Block]",
        "terseLabel": "Cash and cash equivalents"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations",
        "periodEndLabel": "Cash and cash equivalents at end of period",
        "periodStartLabel": "Cash and cash equivalents at beginning of period",
        "totalLabel": "Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net decrease in cash and cash equivalents",
        "label": "Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_CashDeposits": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "CashDeposits",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureInvestmentsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash Deposits",
        "documentation": "Cash deposits.",
        "terseLabel": "Cash deposits"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]",
        "terseLabel": "Supplemental schedule of non-cash investing and financing activities:"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_CashPaidDuringPeriodForAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "CashPaidDuringPeriodForAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash Paid During Period For [Abstract]",
        "terseLabel": "Cash paid during period for:",
        "documentation": "Cash paid during period for:"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfLeaseCostsDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfLeaseCostsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cash paid for amounts included in the measurement of lease liabilities.",
        "label": "Cash Paid For Amounts Included In Measurement Of Lease Liabilities",
        "totalLabel": "Total cash paid for amounts included in the measurement of lease liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_CashPaidForIPRDAssetAcquiredInAnAssetAcquisition": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "CashPaidForIPRDAssetAcquiredInAnAssetAcquisition",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "In process research and development acquired",
        "label": "Cash Paid For I P R D Asset Acquired In An Asset Acquisition",
        "documentation": "Cash paid for IPRD asset acquired in an asset acquisition."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_CashPaymentInformationAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "CashPaymentInformationAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfLeaseCostsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cash payment information.",
        "label": "Cash Payment Information [Abstract]",
        "terseLabel": "Cash payment information:"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Change in accounting principle, accounting standards update, adopted",
        "label": "Change in Accounting Principle, Accounting Standards Update, Adopted [true false]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Change in Accounting Principle, Accounting Standards Update, Adoption Date",
        "terseLabel": "Change in accounting principle, accounting standards update, adoption date"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Change in accounting principle, accounting standards update, immaterial effect",
        "label": "Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_ChangeInFairValueOfWarrants": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "ChangeInFairValueOfWarrants",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareOfCommonStockDetails": {
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareOfCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Change In Fair Value Of Warrants",
        "documentation": "Change in fair value of warrants.",
        "terseLabel": "Change in fair value of warrants",
        "negatedLabel": "Change in fair value of warrants"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_ChangedPeerGroupFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "ChangedPeerGroupFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Changed Peer Group, Footnote [Text Block]",
        "terseLabel": "Changed Peer Group, Footnote"
       }
      }
     },
     "auth_ref": [
      "r61"
     ]
    },
    "pstv_CharlottesvilleMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "CharlottesvilleMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Charlottesville",
        "label": "Charlottesville [Member]",
        "terseLabel": "Charlottesville [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_ChngInFrValAsOfVstngDtOfPrrYrEqtyAwrdsVstdInCvrdYrMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "ChngInFrValAsOfVstngDtOfPrrYrEqtyAwrdsVstdInCvrdYrMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member]",
        "terseLabel": "Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year"
       }
      }
     },
     "auth_ref": [
      "r58"
     ]
    },
    "ecd_ChngInFrValOfOutsdngAndUnvstdEqtyAwrdsGrntdInPrrYrsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "ChngInFrValOfOutsdngAndUnvstdEqtyAwrdsGrntdInPrrYrsMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member]",
        "terseLabel": "Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested"
       }
      }
     },
     "auth_ref": [
      "r56"
     ]
    },
    "dei_CityAreaCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "CityAreaCode",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "City Area Code",
        "terseLabel": "City Area Code",
        "documentation": "Area code of city"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ClassOfStockDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ClassOfStockDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class of Stock [Domain]",
        "terseLabel": "Class of Stock"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ClassOfStockLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ClassOfStockLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class of Stock [Line Items]",
        "terseLabel": "Class of Stock [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ClassOfWarrantOrRightAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ClassOfWarrantOrRightAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class of Warrant or Right [Axis]",
        "terseLabel": "Class of Warrant or Right"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ClassOfWarrantOrRightDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ClassOfWarrantOrRightDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class of Warrant or Right [Domain]",
        "terseLabel": "Class of Warrant or Right"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class of Warrant or Right, Exercise Price of Warrants or Rights",
        "terseLabel": "Warrant exercise price (in dollars per share)"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_ClassOfWarrantOrRightExpirationPeriod": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "ClassOfWarrantOrRightExpirationPeriod",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class of Warrant or Right Expiration Period",
        "documentation": "Class of warrant or right expiration period.",
        "terseLabel": "Expiration period"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class of Warrant or Right, Number of Securities Called by Warrants or Rights",
        "terseLabel": "Number of shares callable by warrants (in shares)",
        "verboseLabel": "Number of securities called by warrant or right"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_ClinicalDevelopmentAndLicensingExpensesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "ClinicalDevelopmentAndLicensingExpensesMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationScheduleOfSegmentExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Clinical Development and Licensing Expenses [Member]",
        "documentation": "Clinical Development and Licensing Expenses.",
        "terseLabel": "Clinical, Development and Licensing Expenses [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_CoSelectedMeasureAmt": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "CoSelectedMeasureAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Company Selected Measure Amount",
        "terseLabel": "Company Selected Measure Amount"
       }
      }
     },
     "auth_ref": [
      "r62"
     ]
    },
    "ecd_CoSelectedMeasureName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "CoSelectedMeasureName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Company Selected Measure Name",
        "terseLabel": "Company Selected Measure Name"
       }
      }
     },
     "auth_ref": [
      "r62"
     ]
    },
    "pstv_CommitmentFeeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "CommitmentFeeMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Commitment fee.",
        "label": "Commitment Fee [Member]",
        "terseLabel": "Commitment Fee [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CommitmentsAndContingencies": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CommitmentsAndContingencies",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Commitments and Contingencies",
        "terseLabel": "Commitments and contingencies (Note 7)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CommitmentsAndContingenciesDisclosureAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Commitments and Contingencies Disclosure [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CommitmentsAndContingenciesDisclosureTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingencies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Commitments and Contingencies Disclosure [Text Block]",
        "terseLabel": "Commitments and Contingencies"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CommonStockCapitalSharesReservedForFutureIssuance": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CommonStockCapitalSharesReservedForFutureIssuance",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Common stock capital shares reserved for future issuance",
        "verboseLabel": "Increased in the total number of shares of common stock reserved for issuance",
        "terseLabel": "Number of shares reserved for issuance and sale"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_CommonStockIssuedForResearchAndDevelopment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "CommonStockIssuedForResearchAndDevelopment",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Common stock issued for research and development",
        "label": "Common Stock Issued for Research and Development",
        "documentation": "Common stock issued for research and development."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CommonStockMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CommonStockMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Common Stock [Member]",
        "terseLabel": "Common Stock [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CommonStockParOrStatedValuePerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CommonStockParOrStatedValuePerShare",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheetsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Common Stock, Par or Stated Value Per Share",
        "terseLabel": "Common stock, par value (in dollars per share)"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_CommonStockSalesAvailableForIssuance": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "CommonStockSalesAvailableForIssuance",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Common stock, sales, available for issuance.",
        "label": "Common Stock Sales Available For Issuance",
        "terseLabel": "Remaining availability under financing facility"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CommonStockSharesAuthorized": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CommonStockSharesAuthorized",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheetsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Common Stock, Shares Authorized",
        "terseLabel": "Common stock, shares authorized (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CommonStockSharesIssued": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CommonStockSharesIssued",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheetsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Common Stock, Shares, Issued",
        "terseLabel": "Common stock, shares issued (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CommonStockSharesOutstanding": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CommonStockSharesOutstanding",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheetsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Common Stock, Shares, Outstanding",
        "terseLabel": "Common stock, shares outstanding (in shares)",
        "periodStartLabel": "Common Stock, Shares, Outstanding, Beginning Balance",
        "periodEndLabel": "Common Stock, Shares, Outstanding, Ending Balance"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CommonStockValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CommonStockValue",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreementsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Common Stock, Value, Issued",
        "verboseLabel": "Voting stock, value",
        "terseLabel": "Common stock, $0.001 par value; 100,000,000 shares authorized; 6,154,758 shares issued and 5,896,333 outstanding as of December 31, 2024, 4,522,656 shares issued and 4,444,097 outstanding as of December 31, 2023, respectively"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "CompActuallyPaidVsCoSelectedMeasureTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Compensation Actually Paid vs. Company Selected Measure [Text Block]",
        "terseLabel": "Compensation Actually Paid vs. Company Selected Measure"
       }
      }
     },
     "auth_ref": [
      "r67"
     ]
    },
    "ecd_CompActuallyPaidVsNetIncomeTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "CompActuallyPaidVsNetIncomeTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Compensation Actually Paid vs. Net Income [Text Block]",
        "terseLabel": "Compensation Actually Paid vs. Net Income"
       }
      }
     },
     "auth_ref": [
      "r66"
     ]
    },
    "ecd_CompActuallyPaidVsOtherMeasureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "CompActuallyPaidVsOtherMeasureTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Compensation Actually Paid vs. Other Measure [Text Block]",
        "terseLabel": "Compensation Actually Paid vs. Other Measure"
       }
      }
     },
     "auth_ref": [
      "r68"
     ]
    },
    "ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "CompActuallyPaidVsTotalShareholderRtnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Compensation Actually Paid vs. Total Shareholder Return [Text Block]",
        "terseLabel": "Compensation Actually Paid vs. Total Shareholder Return"
       }
      }
     },
     "auth_ref": [
      "r65"
     ]
    },
    "us-gaap_CompensationAndEmployeeBenefitPlansTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CompensationAndEmployeeBenefitPlansTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureEmployeeBenefitPlan"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Compensation and Employee Benefit Plans [Text Block]",
        "terseLabel": "Employee Benefit Plan"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CompensationAndRetirementDisclosureAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CompensationAndRetirementDisclosureAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Retirement Benefits [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ComponentsOfDeferredTaxAssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ComponentsOfDeferredTaxAssetsAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Components of Deferred Tax Assets [Abstract]",
        "terseLabel": "Deferred tax assets [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Components of Deferred Tax Assets and Liabilities [Abstract]",
        "terseLabel": "Portions of the deferred tax assets and deferred tax liabilities [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ComponentsOfDeferredTaxLiabilitiesAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Components of Deferred Tax Liabilities [Abstract]",
        "terseLabel": "Deferred tax liabilities [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_CompositionOfCertainFinancialStatementCaptionsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "CompositionOfCertainFinancialStatementCaptionsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Composition of Certain Financial Statement Captions [Abstract]",
        "label": "Composition Of Certain Financial Statement Captions [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ComputerSoftwareIntangibleAssetMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ComputerSoftwareIntangibleAssetMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsIntangibleAssetsNetDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Software [Member]",
        "label": "Computer Software, Intangible Asset [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ConcentrationRiskCreditRisk": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ConcentrationRiskCreditRisk",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Concentration Risk, Credit Risk, Policy [Policy Text Block]",
        "terseLabel": "Concentration Risk"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_CongressionallyDirectedMedicalResearchProgramsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "CongressionallyDirectedMedicalResearchProgramsMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Congressionally Directed Medical Research Programs [Member]",
        "label": "Congressionally Directed Medical Research Programs [Member]",
        "documentation": "Congressionally directed medical research programs."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_ConsiderationPaidToPreferredStockHolders": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "ConsiderationPaidToPreferredStockHolders",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Consideration paid to preferred stock holders",
        "label": "Consideration Paid To Preferred Stock Holders",
        "documentation": "Consideration paid to preferred stock holders."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_ContractEffectiveDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "ContractEffectiveDate",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Contract effective date.",
        "label": "Contract Effective Date",
        "terseLabel": "Contract effective date"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_ContractTerminationDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "ContractTerminationDate",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Contract termination date.",
        "label": "Contract Termination Date",
        "terseLabel": "Contract termination date"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ContractualObligation": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ContractualObligation",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contractual Obligation",
        "terseLabel": "Contractual obligation",
        "totalLabel": "Total",
        "verboseLabel": "Total debt obligations, including final payment fee (Face Value)"
       }
      }
     },
     "auth_ref": []
    },
    "srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/srt/2024",
     "localname": "ContractualObligationFiscalYearMaturityScheduleTableTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureTermLoanObligationsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contractual Obligation, Fiscal Year Maturity [Table Text Block]",
        "terseLabel": "Future Payments under Obligation"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ConvertiblePreferredStockMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ConvertiblePreferredStockMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Convertible Preferred Stock [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "dei_CoverAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "CoverAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cover",
        "label": "Cover [Abstract]",
        "documentation": "Cover page."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_CpritGrantFundingTerm": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "CpritGrantFundingTerm",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "CPRIT grant funding term.",
        "label": "CPRIT Grant Funding Term",
        "terseLabel": "CPRIT grant funding term, description"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CreditFacilityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CreditFacilityAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacilityAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Credit Facility [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CreditFacilityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "CreditFacilityDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacilityAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Credit Facility [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_CumulativeChangeInOwnership": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "CumulativeChangeInOwnership",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Refers to cumulative change in ownership in percentage.",
        "label": "Cumulative Change In Ownership",
        "terseLabel": "Cumulative change in ownership"
       }
      }
     },
     "auth_ref": []
    },
    "dei_CurrentFiscalYearEndDate": {
     "xbrltype": "gMonthDayItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "CurrentFiscalYearEndDate",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current Fiscal Year End Date",
        "terseLabel": "Current Fiscal Year End Date",
        "documentation": "End date of current fiscal year in the format --MM-DD."
       }
      }
     },
     "auth_ref": []
    },
    "cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2024",
     "localname": "CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r13",
      "r102"
     ]
    },
    "cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2024",
     "localname": "CybersecurityRiskBoardOfDirectorsOversightTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Board of Directors Oversight [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r13",
      "r102"
     ]
    },
    "cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2024",
     "localname": "CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management Expertise of Management Responsible [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r15",
      "r104"
     ]
    },
    "cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2024",
     "localname": "CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management Positions or Committees Responsible [Flag]"
       }
      }
     },
     "auth_ref": [
      "r15",
      "r104"
     ]
    },
    "cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2024",
     "localname": "CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]"
       }
      }
     },
     "auth_ref": [
      "r17",
      "r106"
     ]
    },
    "cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2024",
     "localname": "CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management Positions or Committees Responsible [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r15",
      "r104"
     ]
    },
    "cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2024",
     "localname": "CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r8",
      "r97"
     ]
    },
    "cyd_CybersecurityRiskManagementProcessesIntegratedFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2024",
     "localname": "CybersecurityRiskManagementProcessesIntegratedFlag",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management Processes Integrated [Flag]"
       }
      }
     },
     "auth_ref": [
      "r9",
      "r98"
     ]
    },
    "cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2024",
     "localname": "CybersecurityRiskManagementProcessesIntegratedTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management Processes Integrated [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r9",
      "r98"
     ]
    },
    "cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2024",
     "localname": "CybersecurityRiskManagementStrategyAndGovernanceAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management, Strategy, and Governance [Abstract]"
       }
      }
     },
     "auth_ref": [
      "r7",
      "r96"
     ]
    },
    "cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2024",
     "localname": "CybersecurityRiskManagementStrategyAndGovernanceLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management, Strategy, and Governance [Line Items]"
       }
      }
     },
     "auth_ref": [
      "r7",
      "r96"
     ]
    },
    "cyd_CybersecurityRiskManagementStrategyAndGovernanceTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2024",
     "localname": "CybersecurityRiskManagementStrategyAndGovernanceTable",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management, Strategy, and Governance [Table]"
       }
      }
     },
     "auth_ref": [
      "r7",
      "r96"
     ]
    },
    "cyd_CybersecurityRiskManagementThirdPartyEngagedFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2024",
     "localname": "CybersecurityRiskManagementThirdPartyEngagedFlag",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management Third Party Engaged [Flag]"
       }
      }
     },
     "auth_ref": [
      "r10",
      "r99"
     ]
    },
    "cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2024",
     "localname": "CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]"
       }
      }
     },
     "auth_ref": [
      "r12",
      "r101"
     ]
    },
    "cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2024",
     "localname": "CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r12",
      "r101"
     ]
    },
    "cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2024",
     "localname": "CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r13",
      "r102"
     ]
    },
    "cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2024",
     "localname": "CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r16",
      "r105"
     ]
    },
    "cyd_CybersecurityRiskRoleOfManagementTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2024",
     "localname": "CybersecurityRiskRoleOfManagementTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Role of Management [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r14",
      "r103"
     ]
    },
    "cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2024",
     "localname": "CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]"
       }
      }
     },
     "auth_ref": [
      "r11",
      "r100"
     ]
    },
    "us-gaap_DebtDisclosureAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DebtDisclosureAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Disclosure [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DebtDisclosureTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureTermLoanObligations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Disclosure [Text Block]",
        "terseLabel": "Term Loan Obligations"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DebtInstrumentAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureTermLoanObligationsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Instrument [Axis]",
        "terseLabel": "Debt Instrument"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentBasisSpreadOnVariableRate1": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DebtInstrumentBasisSpreadOnVariableRate1",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacilityAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Instrument, Basis Spread on Variable Rate",
        "terseLabel": "Basis variable rate"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentConvertibleConversionPrice1": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DebtInstrumentConvertibleConversionPrice1",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Instrument, Convertible, Conversion Price",
        "terseLabel": "Conversion price"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentFaceAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DebtInstrumentFaceAmount",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureTermLoanObligationsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Instrument, Face Amount",
        "verboseLabel": "Original loan amount",
        "terseLabel": "Aggregate principal amount"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentFeeAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DebtInstrumentFeeAmount",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureTermLoanObligationsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Instrument, Fee Amount",
        "terseLabel": "Fees amount associated with loan"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_DebtInstrumentFloorRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "DebtInstrumentFloorRate",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacilityAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Instrument Floor Rate",
        "documentation": "Debt instrument floor rate.",
        "terseLabel": "Debt instrument floor rate"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentInterestRateStatedPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DebtInstrumentInterestRateStatedPercentage",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Instrument, Interest Rate, Stated Percentage",
        "terseLabel": "Interest Rate"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DebtInstrumentLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureTermLoanObligationsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Instrument [Line Items]",
        "terseLabel": "Debt Instrument [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentMaturityDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DebtInstrumentMaturityDate",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureTermLoanObligationsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Instrument, Maturity Date",
        "terseLabel": "Maturity date"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DebtInstrumentNameDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureTermLoanObligationsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Instrument, Name [Domain]",
        "terseLabel": "Debt Instrument, Name"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentOfferingDate1": {
     "xbrltype": "dateItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DebtInstrumentOfferingDate1",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureTermLoanObligationsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Instrument, Offering Date",
        "terseLabel": "Origination date"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentRedemptionPricePercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DebtInstrumentRedemptionPricePercentage",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Instrument, Redemption Price, Percentage",
        "terseLabel": "Principal amount, Percentage"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DebtInstrumentTable",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureTermLoanObligationsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Long-Term Debt Instruments [Table]",
        "terseLabel": "Debt Instrument [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DebtPolicyTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt, Policy [Policy Text Block]",
        "terseLabel": "Deferred Financing Costs and Other Debt-Related Costs"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtSecuritiesAvailableForSaleTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DebtSecuritiesAvailableForSaleTable",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureInvestmentsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Securities, Available-for-Sale [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredIncomeCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DeferredIncomeCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Income, Current",
        "terseLabel": "Deferred grant liability"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredIncomeNoncurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DeferredIncomeNoncurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Income, Noncurrent",
        "terseLabel": "Deferred grant liability"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredIncomeTaxLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DeferredIncomeTaxLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails": {
       "parentTag": "us-gaap_DeferredTaxLiabilities",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Liabilities, Gross",
        "negatedTotalLabel": "Total deferred tax liability",
        "totalLabel": "Deferred Tax Liabilities, Gross, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredRevenue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DeferredRevenue",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred CPRIT grant revenue",
        "label": "Deferred Revenue",
        "totalLabel": "Deferred Revenue, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DeferredTaxAssetsGoodwillAndIntangibleAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails": {
       "parentTag": "us-gaap_DeferredTaxAssetsGross",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Assets, Goodwill and Intangible Assets",
        "terseLabel": "Intangible assets"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsGross": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DeferredTaxAssetsGross",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails": {
       "parentTag": "us-gaap_DeferredTaxAssetsNet",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Assets, Gross",
        "totalLabel": "Total deferred tax assets"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DeferredTaxAssetsInProcessResearchAndDevelopment",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails": {
       "parentTag": "us-gaap_DeferredTaxAssetsGross",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Asset, In-Process Research and Development",
        "terseLabel": "Capitalized R&amp;D"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DeferredTaxAssetsNet",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails": {
       "parentTag": "us-gaap_DeferredTaxLiabilities",
       "weight": -1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Assets, Net of Valuation Allowance",
        "totalLabel": "Total deferred tax assets, net of allowance"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsOperatingLossCarryforwards": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DeferredTaxAssetsOperatingLossCarryforwards",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails": {
       "parentTag": "us-gaap_DeferredTaxAssetsGross",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Assets, Operating Loss Carryforwards",
        "terseLabel": "Net operating loss carryforwards",
        "totalLabel": "Deferred Tax Assets, Operating Loss Carryforwards, Total",
        "verboseLabel": "Deferred tax assets related to NOL carryforwards"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DeferredTaxAssetsOperatingLossCarryforwardsDomestic",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Assets, Operating Loss Carryforwards, Domestic",
        "terseLabel": "Federal tax carry forward"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Assets, Operating Loss Carryforwards, State and Local",
        "terseLabel": "State tax credit carryforwards"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsOther": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DeferredTaxAssetsOther",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails": {
       "parentTag": "us-gaap_DeferredTaxAssetsGross",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Assets, Other",
        "terseLabel": "Other, net"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DeferredTaxAssetsPropertyPlantAndEquipment",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails": {
       "parentTag": "us-gaap_DeferredTaxAssetsGross",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Assets, Property, Plant and Equipment",
        "terseLabel": "Property and equipment, net"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsTaxCreditCarryforwards": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DeferredTaxAssetsTaxCreditCarryforwards",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails": {
       "parentTag": "us-gaap_DeferredTaxAssetsGross",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Assets, Tax Credit Carryforwards",
        "terseLabel": "Income tax credit carryforwards",
        "totalLabel": "Deferred Tax Assets, Tax Credit Carryforwards, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails": {
       "parentTag": "us-gaap_DeferredTaxAssetsGross",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost",
        "terseLabel": "Share based compensation"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails": {
       "parentTag": "us-gaap_DeferredTaxAssetsGross",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities",
        "terseLabel": "Accrued expenses"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsValuationAllowance": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DeferredTaxAssetsValuationAllowance",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails": {
       "parentTag": "us-gaap_DeferredTaxAssetsNet",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Valuation allowance",
        "label": "Deferred Tax Assets, Valuation Allowance"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_DeferredTaxAssetsValuationAllowances": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "DeferredTaxAssetsValuationAllowances",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Deferred tax assets valuation allowances.",
        "label": "Deferred Tax Assets Valuation Allowances",
        "terseLabel": "Valuation allowance"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DeferredTaxLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Liabilities, Net",
        "totalLabel": "Net deferred tax assets (liability)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxLiabilitiesOther": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DeferredTaxLiabilitiesOther",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails": {
       "parentTag": "us-gaap_DeferredIncomeTaxLiabilities",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Liabilities, Other",
        "negatedLabel": "Other"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DefinedContributionPlanDisclosureLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DefinedContributionPlanDisclosureLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureEmployeeBenefitPlanAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Defined Contribution Plan Disclosure [Line Items]",
        "terseLabel": "Defined Contribution Plan Disclosure [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DefinedContributionPlanEmployerDiscretionaryContributionAmount",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureEmployeeBenefitPlanAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Defined Contribution Plan, Employer Discretionary Contribution Amount",
        "terseLabel": "Discretionary or matching contributions"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DefinedContributionPlanEmployerMatchingContributionPercentOfMatch",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureEmployeeBenefitPlanAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Defined Contribution Plan, Employer Matching Contribution, Percent of Match",
        "terseLabel": "Percentage of matching contribution for employee contributions"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DefinedContributionPlanTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DefinedContributionPlanTable",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureEmployeeBenefitPlanAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Defined Contribution Plan [Table]",
        "terseLabel": "Defined Contribution Plan [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_DepartmentOfDefenseAwardMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "DepartmentOfDefenseAwardMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Department of Defense Award [Member]",
        "documentation": "Department of defense award."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_Depreciation": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "Depreciation",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Depreciation",
        "terseLabel": "Depreciation expense",
        "totalLabel": "Depreciation, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DepreciationDepletionAndAmortization": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DepreciationDepletionAndAmortization",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Depreciation, Depletion and Amortization",
        "terseLabel": "Depreciation and amortization",
        "totalLabel": "Depreciation, Depletion and Amortization, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DisaggregationOfRevenueLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DisaggregationOfRevenueLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disaggregation of Revenue [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensation1"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Payment Arrangement [Text Block]",
        "terseLabel": "Share-based Compensation"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Stock-based Compensation [Abstract]",
        "label": "Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_DistributionAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "DistributionAgreementMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Distribution agreement member.",
        "label": "Distribution Agreement [Member]",
        "terseLabel": "2020 Distribution Agreement [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DistributionTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DistributionTypeDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Distribution Type [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Distribution Type [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentAnnualReport": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "DocumentAnnualReport",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Annual Report",
        "terseLabel": "Document Annual Report",
        "documentation": "Boolean flag that is true only for a form used as an annual report."
       }
      }
     },
     "auth_ref": [
      "r4",
      "r5",
      "r28"
     ]
    },
    "dei_DocumentFinStmtErrorCorrectionFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "DocumentFinStmtErrorCorrectionFlag",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Financial Statement Error Correction [Flag]",
        "documentation": "Indicates whether any of the financial statement period in the filing include a restatement due to error correction."
       }
      }
     },
     "auth_ref": [
      "r4",
      "r5",
      "r28",
      "r71"
     ]
    },
    "dei_DocumentFiscalPeriodFocus": {
     "xbrltype": "fiscalPeriodItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "DocumentFiscalPeriodFocus",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Fiscal Period Focus",
        "terseLabel": "Document Fiscal Period Focus",
        "documentation": "Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentFiscalYearFocus": {
     "xbrltype": "gYearItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "DocumentFiscalYearFocus",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Fiscal Year Focus",
        "terseLabel": "Document Fiscal Year Focus",
        "documentation": "This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentPeriodEndDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "DocumentPeriodEndDate",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Period End Date",
        "terseLabel": "Document Period End Date",
        "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentTransitionReport": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "DocumentTransitionReport",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Transition Report",
        "terseLabel": "Document Transition Report",
        "documentation": "Boolean flag that is true only for a form used as a transition report."
       }
      }
     },
     "auth_ref": [
      "r49"
     ]
    },
    "dei_DocumentType": {
     "xbrltype": "submissionTypeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "DocumentType",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Type",
        "terseLabel": "Document Type",
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentsIncorporatedByReferenceTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "DocumentsIncorporatedByReferenceTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Documents Incorporated by Reference [Text Block]",
        "documentation": "Documents incorporated by reference."
       }
      }
     },
     "auth_ref": [
      "r2"
     ]
    },
    "us-gaap_DomesticCountryMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "DomesticCountryMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Domestic Tax Jurisdiction [Member]",
        "terseLabel": "Federal [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_DvddsOrOthrErngsPdOnEqtyAwrdsNtOthrwsRflctdInTtlCompForCvrdYrMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "DvddsOrOthrErngsPdOnEqtyAwrdsNtOthrwsRflctdInTtlCompForCvrdYrMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member]",
        "terseLabel": "Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year"
       }
      }
     },
     "auth_ref": [
      "r60"
     ]
    },
    "us-gaap_EarningsPerShareAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "EarningsPerShareAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Earnings Per Share [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EarningsPerShareBasic": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "EarningsPerShareBasic",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareOfCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Earnings Per Share, Basic, Total",
        "label": "Earnings Per Share, Basic",
        "verboseLabel": "Net loss per share, basic",
        "terseLabel": "Net loss per share of common stock - basic"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EarningsPerShareBasicAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "EarningsPerShareBasicAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareOfCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Earnings Per Share, Basic [Abstract]",
        "terseLabel": "Basic and diluted net loss per share of common stock calculation:"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EarningsPerShareDiluted": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "EarningsPerShareDiluted",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareOfCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Earnings Per Share, Diluted, Total",
        "label": "Earnings Per Share, Diluted",
        "verboseLabel": "Net loss per share, diluted",
        "terseLabel": "Net loss per share of common stock - diluted"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EarningsPerSharePolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "EarningsPerSharePolicyTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Earnings Per Share, Policy [Policy Text Block]",
        "terseLabel": "Loss Per Share"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EarningsPerShareTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "EarningsPerShareTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureLossPerShare"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Earnings Per Share [Text Block]",
        "terseLabel": "Loss per Share"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EffectiveIncomeTaxRateContinuingOperations": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "EffectiveIncomeTaxRateContinuingOperations",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Effective Income Tax Rate Reconciliation, Percent",
        "totalLabel": "Total income tax provision"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Effective Income Tax Rate Reconciliation, Percent [Abstract]",
        "terseLabel": "Reconciliation of the total income tax provision tax rate [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails": {
       "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent",
        "negatedLabel": "Income tax expense (benefit) at federal statutory rate"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails": {
       "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent",
        "terseLabel": "Change in valuation allowance",
        "negatedLabel": "Change in valuation allowance"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_EffectiveIncomeTaxRateReconciliationFinancingExpense": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "EffectiveIncomeTaxRateReconciliationFinancingExpense",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails": {
       "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
       "weight": 1.0,
       "order": 9.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Effective Income Tax Rate Reconciliation Financing Expense",
        "documentation": "Effective income tax rate reconciliation financing expense.",
        "terseLabel": "Financing expense"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_EffectiveIncomeTaxRateReconciliationMarkToMarket": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "EffectiveIncomeTaxRateReconciliationMarkToMarket",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails": {
       "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
       "weight": 1.0,
       "order": 10.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Effective Income Tax Rate Reconciliation Mark to Market",
        "documentation": "Effective income tax rate reconciliation mark to market.",
        "terseLabel": "Mark to market"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_EffectiveIncomeTaxRateReconciliationNetOperatingLossExpiration": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "EffectiveIncomeTaxRateReconciliationNetOperatingLossExpiration",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails": {
       "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to net operating loss expiration.",
        "label": "Effective Income Tax Rate Reconciliation Net Operating Loss Expiration",
        "terseLabel": "NOLs expiring and adjustments to NOL",
        "negatedLabel": "NOLs expiring and adjustments to NOL"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails": {
       "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Percent",
        "terseLabel": "Share based compensation",
        "negatedLabel": "Share-based compensation"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails": {
       "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
       "weight": 1.0,
       "order": 11.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent",
        "terseLabel": "Other, net"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails": {
       "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent",
        "terseLabel": "Income tax benefit at state statutory rate",
        "negatedLabel": "Income tax benefit at state statutory rate"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "EffectiveIncomeTaxRateReconciliationTaxCreditsResearch",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails": {
       "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
       "weight": -1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent",
        "negatedLabel": "Research credit",
        "terseLabel": "Research credit"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_EffectiveIncomeTaxRateReconciliationTaxReturnToProvision": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "EffectiveIncomeTaxRateReconciliationTaxReturnToProvision",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails": {
       "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Effective income tax rate reconciliation tax return to provision.",
        "label": "Effective Income Tax Rate Reconciliation Tax Return To Provision",
        "terseLabel": "Return to provision",
        "negatedLabel": "Return to provision"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_EffectiveIncomeTaxRateReconciliationWarrants": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "EffectiveIncomeTaxRateReconciliationWarrants",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails": {
       "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfTotalIncomeTaxProvisionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Effective Income Tax Rate Reconciliation Warrants",
        "documentation": "Effective income tax rate reconciliation warrants.",
        "terseLabel": "Warrants",
        "negatedLabel": "Warrants"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount",
        "verboseLabel": "Total unamortized compensation cost related to outstanding unvested stock options and restricted stock awards",
        "totalLabel": "Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1": {
     "xbrltype": "durationItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition",
        "verboseLabel": "Weighted average period for recognition of cost"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EmployeeStockOptionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "EmployeeStockOptionMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Employee Stock Option [Member]",
        "terseLabel": "Employee Stock Option"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressAddressLine1": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityAddressAddressLine1",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Address Line One",
        "terseLabel": "Entity Address, Address Line One",
        "documentation": "Address Line 1 such as Attn, Building Name, Street Name"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressAddressLine2": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityAddressAddressLine2",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Address Line Two",
        "terseLabel": "Entity Address, Address Line Two",
        "documentation": "Address Line 2 such as Street or Suite number"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressCityOrTown": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityAddressCityOrTown",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, City or Town",
        "terseLabel": "Entity Address, City or Town",
        "documentation": "Name of the City or Town"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressPostalZipCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityAddressPostalZipCode",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Postal Zip Code",
        "terseLabel": "Entity Address, Postal Zip Code",
        "documentation": "Code for the postal or zip code"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressStateOrProvince": {
     "xbrltype": "stateOrProvinceItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityAddressStateOrProvince",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, State or Province",
        "terseLabel": "Entity Address, State or Province",
        "documentation": "Name of the state or province."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityCentralIndexKey": {
     "xbrltype": "centralIndexKeyItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityCentralIndexKey",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Central Index Key",
        "terseLabel": "Entity Central Index Key",
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityCommonStockSharesOutstanding": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityCommonStockSharesOutstanding",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Common Stock, Shares Outstanding",
        "label": "Entity Common Stock, Shares Outstanding",
        "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityCurrentReportingStatus": {
     "xbrltype": "yesNoItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityCurrentReportingStatus",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Current Reporting Status",
        "terseLabel": "Entity Current Reporting Status",
        "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity [Domain]",
        "terseLabel": "Entity",
        "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityEmergingGrowthCompany": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityEmergingGrowthCompany",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Emerging Growth Company",
        "terseLabel": "Entity Emerging Growth Company",
        "documentation": "Indicate if registrant meets the emerging growth company criteria."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityFileNumber": {
     "xbrltype": "fileNumberItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityFileNumber",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity File Number",
        "terseLabel": "Entity File Number",
        "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityFilerCategory": {
     "xbrltype": "filerCategoryItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityFilerCategory",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Filer Category",
        "terseLabel": "Entity Filer Category",
        "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityIncorporationStateCountryCode": {
     "xbrltype": "edgarStateCountryItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityIncorporationStateCountryCode",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Incorporation, State or Country Code",
        "terseLabel": "Entity Incorporation, State or Country Code",
        "documentation": "Two-character EDGAR code representing the state or country of incorporation."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityInteractiveDataCurrent": {
     "xbrltype": "yesNoItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityInteractiveDataCurrent",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Interactive Data Current",
        "terseLabel": "Entity Interactive Data Current",
        "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files)."
       }
      }
     },
     "auth_ref": [
      "r111"
     ]
    },
    "dei_EntityPublicFloat": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityPublicFloat",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Public Float",
        "terseLabel": "Entity Public Float",
        "documentation": "The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityRegistrantName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityRegistrantName",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Registrant Name",
        "terseLabel": "Entity Registrant Name",
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityShellCompany": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityShellCompany",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Shell Company",
        "terseLabel": "Entity Shell Company",
        "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntitySmallBusiness": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntitySmallBusiness",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Small Business",
        "terseLabel": "Entity Small Business",
        "documentation": "Indicates that the company is a Smaller Reporting Company (SRC)."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityTaxIdentificationNumber": {
     "xbrltype": "employerIdItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityTaxIdentificationNumber",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Tax Identification Number",
        "terseLabel": "Entity Tax Identification Number",
        "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityVoluntaryFilers": {
     "xbrltype": "yesNoItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityVoluntaryFilers",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Voluntary Filers",
        "terseLabel": "Entity Voluntary Filers",
        "documentation": "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityWellKnownSeasonedIssuer": {
     "xbrltype": "yesNoItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityWellKnownSeasonedIssuer",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Well-known Seasoned Issuer",
        "terseLabel": "Entity Well-known Seasoned Issuer",
        "documentation": "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A."
       }
      }
     },
     "auth_ref": [
      "r113"
     ]
    },
    "ecd_EqtyAwrdsAdjFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "EqtyAwrdsAdjFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Awards Adjustments, Footnote [Text Block]",
        "terseLabel": "Equity Awards Adjustments, Footnote"
       }
      }
     },
     "auth_ref": [
      "r54"
     ]
    },
    "ecd_EqtyAwrdsAdjsExclgValRprtdInSummryCompstnTblMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "EqtyAwrdsAdjsExclgValRprtdInSummryCompstnTblMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member]",
        "terseLabel": "Equity Awards Adjustments, Excluding Value Reported in Compensation Table"
       }
      }
     },
     "auth_ref": [
      "r107"
     ]
    },
    "ecd_EqtyAwrdsAdjsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "EqtyAwrdsAdjsMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Awards Adjustments [Member]",
        "terseLabel": "Equity Awards Adjustments"
       }
      }
     },
     "auth_ref": [
      "r107"
     ]
    },
    "ecd_EqtyAwrdsInSummryCompstnTblForAplblYrMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "EqtyAwrdsInSummryCompstnTblForAplblYrMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member]",
        "terseLabel": "Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table"
       }
      }
     },
     "auth_ref": [
      "r107"
     ]
    },
    "us-gaap_EquityComponentDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "EquityComponentDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfAntidilutiveSecuritiesExcludedFromDilutedLossPerShareDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Component [Domain]",
        "terseLabel": "Equity Component"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_EquityValuationAssumptionDifferenceFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "EquityValuationAssumptionDifferenceFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Valuation Assumption Difference, Footnote [Text Block]",
        "terseLabel": "Equity Valuation Assumption Difference, Footnote"
       }
      }
     },
     "auth_ref": [
      "r64"
     ]
    },
    "ecd_ErrCompAnalysisTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "ErrCompAnalysisTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Erroneous Compensation Analysis [Text Block]",
        "terseLabel": "Erroneous Compensation Analysis"
       }
      }
     },
     "auth_ref": [
      "r21",
      "r32",
      "r42",
      "r75"
     ]
    },
    "ecd_ErrCompRecoveryTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "ErrCompRecoveryTable",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Erroneously Awarded Compensation Recovery [Table]",
        "terseLabel": "Erroneously Awarded Compensation Recovery"
       }
      }
     },
     "auth_ref": [
      "r18",
      "r29",
      "r39",
      "r72"
     ]
    },
    "pstv_ExchangeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "ExchangeMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Exchange [Member]",
        "documentation": "Exchange."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_ExecutiveCategoryAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "ExecutiveCategoryAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Executive Category [Axis]",
        "terseLabel": "Executive Category:"
       }
      }
     },
     "auth_ref": [
      "r70"
     ]
    },
    "pstv_ExerciseOfPreFundedWarrantsShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "ExerciseOfPreFundedWarrantsShares",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Exercise of pre-funded warrants (in Shares)",
        "label": "Exercise Of Pre-funded Warrants Shares",
        "documentation": "Exercise of pre-funded warrants shares."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_FacilityAndOtherOverheadExpensesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "FacilityAndOtherOverheadExpensesMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationScheduleOfSegmentExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Facility And Other Overhead Expenses [Member]",
        "documentation": "Facility And Other Overhead Expenses [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueAdjustmentOfWarrants": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueAdjustmentOfWarrants",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations": {
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": -1.0,
       "order": 2.0
      },
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Fair value loss on warrant liability",
        "label": "Change in fair value of warrants",
        "terseLabel": "Change in fair value of warrants",
        "negatedLabel": "Change in fair value of warrants"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]",
        "label": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair Value, Recurring and Nonrecurring [Table]",
        "label": "Fair Value, Recurring and Nonrecurring [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Measurement Inputs and Valuation Techniques [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Measurement Inputs and Valuation Techniques [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]",
        "terseLabel": "Summary of Key Inputs Used in Valuation of Liability Classified Warrants"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueAssetsMeasuredOnRecurringBasisTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of Financial Assets Measured at Fair Value on Recurring Basis",
        "label": "Fair Value, Assets Measured on Recurring Basis [Table Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueByFairValueHierarchyLevelAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueByFairValueHierarchyLevelAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair Value Hierarchy and NAV [Axis]",
        "label": "Fair Value Hierarchy and NAV [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueByLiabilityClassAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueByLiabilityClassAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangeInFairValueOfWarrantLiabilitiesDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liability Class [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueByMeasurementFrequencyAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueByMeasurementFrequencyAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Measurement Frequency [Axis]",
        "label": "Measurement Frequency [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueDisclosuresAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueDisclosuresAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Disclosures [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueInputsLevel1Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueInputsLevel1Member",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Level 1 [Member]",
        "label": "Fair Value, Inputs, Level 1 [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueInputsLevel2Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueInputsLevel2Member",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Level 2 [Member]",
        "label": "Fair Value, Inputs, Level 2 [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueInputsLevel3Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueInputsLevel3Member",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Level 3 [Member]",
        "label": "Fair Value, Inputs, Level 3 [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangeInFairValueOfWarrantLiabilitiesDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value by Liability Class [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangeInFairValueOfWarrantLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangeInFairValueOfWarrantLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]",
        "terseLabel": "Schedule of Change in Fair Value of Warrant Liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueMeasurementFrequencyDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueMeasurementFrequencyDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Measurement Frequency [Domain]",
        "label": "Measurement Frequency [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueMeasurementInputsDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueMeasurementInputsDisclosureTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureFairValueMeasurements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block]",
        "terseLabel": "Fair Value Measurements"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangeInFairValueOfWarrantLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances",
        "terseLabel": "Issuance of warrants"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangeInFairValueOfWarrantLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease)",
        "totalLabel": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease), Total",
        "terseLabel": "Change in fair value of warrants"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassificationToEquity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassificationToEquity",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangeInFairValueOfWarrantLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Reclassification To Equity",
        "documentation": "Fair value, measurement with unobservable inputs reconciliation, recurring basis, liability, reclassification to equity.",
        "terseLabel": "Reclassification to equity"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangeInFairValueOfWarrantLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value",
        "periodStartLabel": "Beginning balance",
        "periodEndLabel": "Ending balance"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueMeasurementsFairValueHierarchyDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair Value Hierarchy and NAV [Domain]",
        "label": "Fair Value Hierarchy and NAV [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueMeasurementsRecurringMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueMeasurementsRecurringMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Recurring Basis [Member]",
        "label": "Fair Value, Recurring [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueOfFinancialInstrumentsPolicy": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FairValueOfFinancialInstrumentsPolicy",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value of Financial Instruments, Policy [Policy Text Block]",
        "terseLabel": "Financial Instruments"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_FairValueOfWarrantLiabilityReclassifiedToEquity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "FairValueOfWarrantLiabilityReclassifiedToEquity",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value of Warrant Liability Reclassified to Equity",
        "documentation": "Fair Value of Warrant Liability Reclassified to Equity",
        "terseLabel": "Fair value of warrant liability reclassified to equity"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_FebruaryTwoThousandTwentyFiveSecuritiesPurchaseAndExchangeAgreementsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "FebruaryTwoThousandTwentyFiveSecuritiesPurchaseAndExchangeAgreementsMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "February Two Thousand Twenty Five Securities Purchase and Exchange Agreements [Member]",
        "documentation": "February two thousand twenty five securities purchase and exchange agreements.",
        "terseLabel": "February 2025 SPEA Agreements"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FinanceLeaseLiability": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FinanceLeaseLiability",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Finance Lease, Liability",
        "terseLabel": "Finance lease obligation -- current",
        "totalLabel": "Finance Lease, Liability, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList": {
     "xbrltype": "enumerationSetItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]",
        "terseLabel": "Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FinancialInstrumentAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FinancialInstrumentAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial Instrument [Axis]",
        "terseLabel": "Financial Instrument"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_FinancingExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "FinancingExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations": {
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financing Expense",
        "documentation": "Financing expense.",
        "terseLabel": "Financing expense",
        "negatedLabel": "Financing expense"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FiniteLivedIntangibleAssetsAccumulatedAmortization",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsIntangibleAssetsNetDetails": {
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsIntangibleAssetsNetDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Finite-Lived Intangible Assets, Accumulated Amortization",
        "negatedLabel": "Accumulated Amortization"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsFutureAmortizationExpenseOnIntangibleAssetsDetails": {
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsFutureAmortizationExpenseOnIntangibleAssetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2025",
        "label": "Finite-Lived Intangible Asset, Expected Amortization, Year One"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearFour",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsFutureAmortizationExpenseOnIntangibleAssetsDetails": {
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsFutureAmortizationExpenseOnIntangibleAssetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Four",
        "terseLabel": "2028"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearThree",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsFutureAmortizationExpenseOnIntangibleAssetsDetails": {
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsFutureAmortizationExpenseOnIntangibleAssetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2027",
        "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Three"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsFutureAmortizationExpenseOnIntangibleAssetsDetails": {
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsFutureAmortizationExpenseOnIntangibleAssetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Two",
        "terseLabel": "2026"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FiniteLivedIntangibleAssetsByMajorClassAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsIntangibleAssetsNetDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Finite-Lived Intangible Assets by Major Class [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsFutureAmortizationExpenseOnIntangibleAssetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FiniteLivedIntangibleAssetsGross": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FiniteLivedIntangibleAssetsGross",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsIntangibleAssetsNetDetails": {
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsIntangibleAssetsNetDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Finite-Lived Intangible Assets, Gross",
        "totalLabel": "Finite-Lived Intangible Assets, Gross, Total",
        "terseLabel": "Gross Carrying Amount"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FiniteLivedIntangibleAssetsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FiniteLivedIntangibleAssetsLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsIntangibleAssetsNetDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Finite-Lived Intangible Assets [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FiniteLivedIntangibleAssetsMajorClassNameDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsIntangibleAssetsNetDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Finite-Lived Intangible Assets, Major Class Name [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FiniteLivedIntangibleAssetsNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FiniteLivedIntangibleAssetsNet",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsIntangibleAssetsNetDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      },
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsFutureAmortizationExpenseOnIntangibleAssetsDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsFutureAmortizationExpenseOnIntangibleAssetsDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsIntangibleAssetsNetDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Finite-Lived Intangible Assets, Net",
        "periodStartLabel": "Beginning Balance",
        "periodEndLabel": "Ending Balance",
        "totalLabel": "Intangible Asset, Net"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_FirstPaymentReceived": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "FirstPaymentReceived",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "First payment received",
        "label": "First Payment Received",
        "documentation": "First Payment Received"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Forgone Recovery due to Disqualification of Tax Benefits, Amount",
        "terseLabel": "Forgone Recovery due to Disqualification of Tax Benefits, Amount"
       }
      }
     },
     "auth_ref": [
      "r25",
      "r36",
      "r46",
      "r79"
     ]
    },
    "ecd_ForgoneRecoveryDueToExpenseOfEnforcementAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "ForgoneRecoveryDueToExpenseOfEnforcementAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Forgone Recovery due to Expense of Enforcement, Amount",
        "terseLabel": "Forgone Recovery due to Expense of Enforcement, Amount"
       }
      }
     },
     "auth_ref": [
      "r25",
      "r36",
      "r46",
      "r79"
     ]
    },
    "ecd_ForgoneRecoveryDueToViolationOfHomeCountryLawAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "ForgoneRecoveryDueToViolationOfHomeCountryLawAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Forgone Recovery due to Violation of Home Country Law, Amount",
        "terseLabel": "Forgone Recovery due to Violation of Home Country Law, Amount"
       }
      }
     },
     "auth_ref": [
      "r25",
      "r36",
      "r46",
      "r79"
     ]
    },
    "ecd_ForgoneRecoveryExplanationOfImpracticabilityTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "ForgoneRecoveryExplanationOfImpracticabilityTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Forgone Recovery, Explanation of Impracticability [Text Block]",
        "terseLabel": "Forgone Recovery, Explanation of Impracticability"
       }
      }
     },
     "auth_ref": [
      "r25",
      "r36",
      "r46",
      "r79"
     ]
    },
    "ecd_ForgoneRecoveryIndName": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "ForgoneRecoveryIndName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Forgone Recovery, Individual Name",
        "terseLabel": "Name"
       }
      }
     },
     "auth_ref": [
      "r25",
      "r36",
      "r46",
      "r79"
     ]
    },
    "ecd_FrValAsOfPrrYrEndOfEqtyAwrdsGrntdInPrrYrsFldVstngCondsDrngCvrdYrMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "FrValAsOfPrrYrEndOfEqtyAwrdsGrntdInPrrYrsFldVstngCondsDrngCvrdYrMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member]",
        "terseLabel": "Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year"
       }
      }
     },
     "auth_ref": [
      "r59"
     ]
    },
    "pstv_FractionalAdjustmentOfCommonStock": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "FractionalAdjustmentOfCommonStock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fractional adjustment",
        "label": "Fractional Adjustment of Common Stock",
        "documentation": "Fractional adjustment of common stock."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_GainLossOnDispositionOfAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "GainLossOnDispositionOfAssets",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property",
        "negatedLabel": "Loss on disposal of property and equipment"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_GeneralAndAdministrativeExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "GeneralAndAdministrativeExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations": {
       "parentTag": "us-gaap_OperatingExpenses",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationScheduleOfSegmentExpensesDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "General and Administrative Expense",
        "terseLabel": "General and administrative",
        "totalLabel": "Total general and administrative"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_GeneralAndAdministrativeExpenseMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "GeneralAndAdministrativeExpenseMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationSummaryOfSharebasedCompensationRecognizedDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "General and Administrative Expense [Member]",
        "terseLabel": "General and Administrative [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_Goodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "Goodwill",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_Assets",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Goodwill",
        "terseLabel": "Goodwill",
        "totalLabel": "Goodwill, Total",
        "periodStartLabel": "Goodwill, Beginning Balance",
        "periodEndLabel": "Goodwill, Ending Balance"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "GoodwillAndIntangibleAssetsPolicyTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Goodwill and Intangible Assets, Policy [Policy Text Block]",
        "terseLabel": "Goodwill"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_GrantFundingTerm": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "GrantFundingTerm",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Grant funding term.",
        "label": "Grant Funding Term",
        "terseLabel": "Grant funding term"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_GrantMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "GrantMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Grant [Member]",
        "terseLabel": "Grant [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_GrantReceivable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "GrantReceivable",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Grant Receivable",
        "documentation": "Grant receivable.",
        "terseLabel": "Grant receivable"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_GrantsReceivable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "GrantsReceivable",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Grants Receivable",
        "terseLabel": "Grant revenue receivable"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_GrossProceedsFromIssuanceOfCommonStock": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "GrossProceedsFromIssuanceOfCommonStock",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Gross proceeds from issuance of common stock.",
        "label": "Gross Proceeds from Issuance of Common Stock",
        "verboseLabel": "Aggregate gross proceeds from sales of common stock"
       }
      }
     },
     "auth_ref": []
    },
    "dei_IcfrAuditorAttestationFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "IcfrAuditorAttestationFlag",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ICFR Auditor Attestation Flag",
        "terseLabel": "ICFR Auditor Attestation Flag"
       }
      }
     },
     "auth_ref": [
      "r4",
      "r5",
      "r28"
     ]
    },
    "us-gaap_ImpairmentOfLongLivedAssetsHeldForUse": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ImpairmentOfLongLivedAssetsHeldForUse",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Impairment, Long-Lived Asset, Held-for-Use",
        "terseLabel": "Impairment loss",
        "totalLabel": "Impairment, Long-Lived Asset, Held-for-Use, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InProcessResearchAndDevelopmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "InProcessResearchAndDevelopmentMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "In Process Research and Development [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InProcessResearchAndDevelopmentPolicy": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "InProcessResearchAndDevelopmentPolicy",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "In Process Research and Development, Policy [Policy Text Block]",
        "terseLabel": "Acquired In-Process Research and Development (IPR&amp;D)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeLossFromContinuingOperations": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IncomeLossFromContinuingOperations",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureOrganizationAndOperationsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Net income from continuing operations",
        "label": "Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent",
        "totalLabel": "Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeStatementAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IncomeStatementAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Statement [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeStatementLocationAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IncomeStatementLocationAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationScheduleOfSegmentExpensesDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationSummaryOfSharebasedCompensationRecognizedDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of Income Location, Balance [Axis]",
        "terseLabel": "Income Statement Location"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeStatementLocationDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IncomeStatementLocationDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationScheduleOfSegmentExpensesDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationSummaryOfSharebasedCompensationRecognizedDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of Income Location, Balance [Domain]",
        "terseLabel": "Income Statement Location"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeTaxAuthorityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IncomeTaxAuthorityAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Tax Jurisdiction [Axis]",
        "terseLabel": "Income Tax Authority"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeTaxAuthorityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IncomeTaxAuthorityDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Tax Jurisdiction [Domain]",
        "terseLabel": "Income Tax Authority"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeTaxAuthorityNameAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IncomeTaxAuthorityNameAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Tax Authority, Name [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeTaxAuthorityNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IncomeTaxAuthorityNameDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Tax Authority, Name [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_IncomeTaxContingencyAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "IncomeTaxContingencyAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Income tax contingency.",
        "label": "Income Tax Contingency [Abstract]",
        "terseLabel": "Income Tax Contingency [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeTaxDisclosureAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IncomeTaxDisclosureAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Tax Disclosure [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeTaxDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IncomeTaxDisclosureTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxes"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Income Taxes",
        "label": "Income Tax Disclosure [Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IncomeTaxExaminationPenaltiesAndInterestExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Tax Examination, Penalties and Interest Expense",
        "terseLabel": "Interest or penalties related to income tax matters",
        "totalLabel": "Income Tax Examination, Penalties and Interest Expense, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeTaxExpenseBenefit": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IncomeTaxExpenseBenefit",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Tax Expense (Benefit)",
        "terseLabel": "Provision or benefit for income taxes",
        "totalLabel": "Income Tax Expense (Benefit), Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeTaxPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IncomeTaxPolicyTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Tax, Policy [Policy Text Block]",
        "terseLabel": "Income Taxes"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_IncomeTaxesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "IncomeTaxesLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Income taxes.",
        "label": "Income Taxes [Line Items]",
        "terseLabel": "Income Taxes [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_IncomeTaxesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "IncomeTaxesTable",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Income taxes.",
        "label": "Income Taxes [Table]",
        "terseLabel": "Income Taxes [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IncreaseDecreaseInAccountsPayableAndAccruedLiabilities",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 21.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (Decrease) in Accounts Payable and Accrued Liabilities",
        "terseLabel": "Accounts payable and accrued expenses",
        "totalLabel": "Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_IncreaseDecreaseInDeferredGrantLiability": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "IncreaseDecreaseInDeferredGrantLiability",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 14.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred grant liability",
        "label": "Increase Decrease In Deferred Grant Liability",
        "documentation": "Increase (decrease) in deferred grant liability."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_IncreaseDecreaseInGrantReceivable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "IncreaseDecreaseInGrantReceivable",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0,
       "order": 13.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Grant receivable",
        "label": "Increase Decrease In Grant Receivable",
        "documentation": "Increase decrease in grant receivable."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IncreaseDecreaseInOperatingCapitalAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (Decrease) in Operating Capital [Abstract]",
        "terseLabel": "Increases (decreases) in cash caused by changes in operating assets and liabilities:"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncreaseDecreaseInOperatingLeaseLiability": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IncreaseDecreaseInOperatingLeaseLiability",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 18.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (Decrease) in Operating Lease Liability",
        "terseLabel": "Change in operating lease liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncreaseDecreaseInOtherNoncurrentAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IncreaseDecreaseInOtherNoncurrentAssets",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0,
       "order": 11.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Other assets",
        "terseLabel": "Other assets",
        "label": "Increase (Decrease) in Other Noncurrent Assets"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IndefiniteLivedIntangibleAssetsByMajorClassAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Indefinite-Lived Intangible Assets [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IndefiniteLivedIntangibleAssetsMajorClassNameDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Indefinite-Lived Intangible Assets, Major Class Name [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_IndividualAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "IndividualAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure",
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure",
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements",
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Individual [Axis]",
        "terseLabel": "Individual:"
       }
      }
     },
     "auth_ref": [
      "r25",
      "r36",
      "r46",
      "r70",
      "r79",
      "r83",
      "r91"
     ]
    },
    "pstv_InitialCommitmentFee": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "InitialCommitmentFee",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Initial commitment fee.",
        "label": "Initial Commitment Fee",
        "verboseLabel": "Initial commitment fee paid in cash",
        "terseLabel": "Initial commitment fee"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_InitialCommitmentShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "InitialCommitmentShares",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Initial commitment shares.",
        "label": "Initial Commitment Shares",
        "terseLabel": "Initial commitment shares"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_InitialSubscriptionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "InitialSubscriptionMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Initial Subscription [Member]",
        "documentation": "Initial Subscription."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_InsiderTradingArrLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "InsiderTradingArrLineItems",
     "lang": {
      "en-us": {
       "role": {
        "label": "Insider Trading Arrangements [Line Items]",
        "terseLabel": "Insider Trading Arrangements:"
       }
      }
     },
     "auth_ref": [
      "r89"
     ]
    },
    "ecd_InsiderTradingPoliciesProcLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "InsiderTradingPoliciesProcLineItems",
     "lang": {
      "en-us": {
       "role": {
        "label": "Insider Trading Policies and Procedures [Line Items]",
        "terseLabel": "Insider Trading Policies and Procedures:"
       }
      }
     },
     "auth_ref": [
      "r6",
      "r95"
     ]
    },
    "ecd_InsiderTrdPoliciesProcAdoptedFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "InsiderTrdPoliciesProcAdoptedFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Insider Trading Policies and Procedures Adopted [Flag]",
        "terseLabel": "Insider Trading Policies and Procedures Adopted"
       }
      }
     },
     "auth_ref": [
      "r6",
      "r95"
     ]
    },
    "ecd_InsiderTrdPoliciesProcNotAdoptedTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "InsiderTrdPoliciesProcNotAdoptedTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Insider Trading Policies and Procedures Not Adopted [Text Block]",
        "terseLabel": "Insider Trading Policies and Procedures Not Adopted"
       }
      }
     },
     "auth_ref": [
      "r6",
      "r95"
     ]
    },
    "us-gaap_IntellectualPropertyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "IntellectualPropertyMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsIntangibleAssetsNetDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Intellectual Property [Member]",
        "terseLabel": "Intellectual Property [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InterestExpenseNonoperating": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "InterestExpenseNonoperating",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations": {
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": -1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest Expense, Nonoperating",
        "totalLabel": "Interest Expense, Nonoperating, Total",
        "negatedLabel": "Interest expense"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InterestPaidNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "InterestPaidNet",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest Paid, Excluding Capitalized Interest, Operating Activities",
        "terseLabel": "Interest"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InterestPayableCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "InterestPayableCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails": {
       "parentTag": "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest Payable, Current",
        "terseLabel": "Accrued interest"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InternalRevenueServiceIRSMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "InternalRevenueServiceIRSMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Internal Revenue Service (IRS) [Member]",
        "terseLabel": "Internal Revenue Code [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InvestmentIncomeInterest": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "InvestmentIncomeInterest",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations": {
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investment Income, Interest",
        "terseLabel": "Interest income"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InvestmentTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "InvestmentTypeAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investment Type [Axis]",
        "terseLabel": "Investment Type"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InvestmentTypeCategorizationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "InvestmentTypeCategorizationMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investments [Domain]",
        "terseLabel": "Investments"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_Investments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "Investments",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureInvestmentsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investments",
        "totalLabel": "Investments, Total",
        "terseLabel": "Total investments"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "InvestmentsDebtAndEquitySecuritiesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Investments, Debt and Equity Securities [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InvestmentsFairValueDisclosure": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "InvestmentsFairValueDisclosure",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investments, Fair Value Disclosure",
        "totalLabel": "Investments, Fair Value Disclosure, Total",
        "terseLabel": "Investments"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureInvestments"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investments",
        "label": "Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_JanuaryTwoThousandAndTwentyTwoDistributionAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "JanuaryTwoThousandAndTwentyTwoDistributionAgreementMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "January two thousand and twenty two distribution agreement.",
        "label": "January Two Thousand and Twenty Two Distribution Agreement [Member]",
        "verboseLabel": "January 2022 Distribution Agreement [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LeaseCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LeaseCost",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfLeaseCostsDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfLeaseCostsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Lease, Cost",
        "totalLabel": "Total lease expense"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LeaseCostAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LeaseCostAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfLeaseCostsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Lease, Cost [Abstract]",
        "terseLabel": "Lease expense:"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LeaseCostTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LeaseCostTableTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Lease, Cost [Table Text Block]",
        "terseLabel": "Summary of Lease Costs"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LeaseholdImprovementsGross": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LeaseholdImprovementsGross",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentNetDetails": {
       "parentTag": "us-gaap_PropertyPlantAndEquipmentGross",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentNetDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Leasehold Improvements, Gross",
        "terseLabel": "Leasehold improvements"
       }
      }
     },
     "auth_ref": []
    },
    "dei_LegalEntityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "LegalEntityAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Legal Entity [Axis]",
        "terseLabel": "Legal Entity",
        "documentation": "The set of legal entities associated with a report."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LesseeOperatingLeaseDiscountRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LesseeOperatingLeaseDiscountRate",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Operating lease discount rate",
        "label": "Lessee, Operating Lease, Discount Rate"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LesseeOperatingLeaseExistenceOfOptionToExtend",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Lessee, Operating Lease, Existence of Option to Extend [true false]",
        "terseLabel": "Lessee, operating lease, existence of option to extend [true false]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LesseeOperatingLeaseLiabilityMaturityTableTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of Future Minimum Annual Lease Payments under Operating Leases",
        "label": "Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDue",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails2": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      },
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Lessee, Operating Lease, Liability, to be Paid",
        "terseLabel": "Minimum lease payment",
        "totalLabel": "Total minimum lease payments"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails": {
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fourth fiscal year following latest fiscal year.",
        "label": "Lessee Operating Lease Liability Payments Due After Year Four",
        "terseLabel": "Thereafter"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails": {
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2025",
        "label": "Lessee, Operating Lease, Liability, to be Paid, Year One"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearThree",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails": {
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Lessee, Operating Lease, Liability, to be Paid, Year Three",
        "terseLabel": "2027"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearTwo",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails": {
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Lessee, Operating Lease, Liability, to be Paid, Year Two",
        "terseLabel": "2026"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LesseeOperatingLeaseLiabilityUndiscountedExcessAmount",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails2": {
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Lessee, Operating Lease, Liability, Undiscounted Excess Amount",
        "negatedLabel": "Less: amount representing interest"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LesseeOperatingLeaseOptionToExtend": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LesseeOperatingLeaseOptionToExtend",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Lessee, Operating Lease, Option to Extend",
        "terseLabel": "Lessee, operating lease, option to extend"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LesseeOperatingLeaseRenewalTerm": {
     "xbrltype": "durationItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LesseeOperatingLeaseRenewalTerm",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Lessee, Operating Lease, Renewal Term",
        "terseLabel": "Lessee, operating lease, renewal term"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LesseeOperatingLeaseTermOfContract": {
     "xbrltype": "durationItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LesseeOperatingLeaseTermOfContract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Lessee, Operating Lease, Term of Contract",
        "terseLabel": "Lessee, operating lease, term of contract"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_Liabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "Liabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities",
        "totalLabel": "Total liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LiabilitiesAndStockholdersEquity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LiabilitiesAndStockholdersEquity",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total liabilities and stockholders' equity (deficit)",
        "label": "Liabilities and Equity"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LiabilitiesAndStockholdersEquityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LiabilitiesAndStockholdersEquityAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Liabilities and Stockholders' Equity (Deficit)",
        "label": "Liabilities and Equity [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LiabilitiesCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LiabilitiesCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities, Current",
        "totalLabel": "Total current liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LiabilitiesCurrentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LiabilitiesCurrentAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities, Current [Abstract]",
        "terseLabel": "Current liabilities:"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LiabilityForUncertainTaxPositionsCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LiabilityForUncertainTaxPositionsCurrent",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liability for Uncertainty in Income Taxes, Current",
        "terseLabel": "Liability for uncertain tax positions"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_LicenseAgreementAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "LicenseAgreementAbstract",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "License agreement abstract.",
        "label": "License Agreement [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_LicenseAgreementDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "LicenseAgreementDisclosureTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy for license agreement.",
        "label": "License Agreement Disclosure [Text Block]",
        "terseLabel": "License Agreements"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_LincolnParkCapitalFundLLCMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "LincolnParkCapitalFundLLCMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Lincoln park capital fund, LLC.",
        "label": "Lincoln Park Capital Fund L L C [Member]",
        "terseLabel": "Lincoln Park Capital Fund, LLC [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LineOfCredit": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LineOfCredit",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacilityAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Long-Term Line of Credit",
        "totalLabel": "Long-Term Line of Credit, Total",
        "terseLabel": "Line of credit"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LineOfCreditFacilityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LineOfCreditFacilityAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Line of Credit Facility [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LineOfCreditFacilityCommitmentFeePercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LineOfCreditFacilityCommitmentFeePercentage",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacilityAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Line of Credit Facility, Commitment Fee Percentage",
        "terseLabel": "Applicable fees"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LineOfCreditFacilityLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LineOfCreditFacilityLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacilityAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Line of Credit Facility [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LineOfCreditFacilityTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LineOfCreditFacilityTable",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacilityAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Line of Credit Facility [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LinesOfCreditCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LinesOfCreditCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureOrganizationAndOperationsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Outstanding balance",
        "label": "Line of Credit, Current",
        "terseLabel": "Line of credit"
       }
      }
     },
     "auth_ref": []
    },
    "srt_LitigationCaseAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2024",
     "localname": "LitigationCaseAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Litigation Case [Axis]",
        "terseLabel": "Litigation Case"
       }
      }
     },
     "auth_ref": []
    },
    "srt_LitigationCaseTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2024",
     "localname": "LitigationCaseTypeDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Litigation Case [Domain]",
        "terseLabel": "Litigation Case"
       }
      }
     },
     "auth_ref": []
    },
    "dei_LocalPhoneNumber": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "LocalPhoneNumber",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Local Phone Number",
        "terseLabel": "Local Phone Number",
        "documentation": "Local phone number for entity."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LongTermDebtCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "LongTermDebtCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Long-Term Debt, Current Maturities",
        "terseLabel": "Term loan obligation, current",
        "totalLabel": "Long-Term Debt, Current Maturities, Total",
        "negatedLabel": "Term loan obligation, current"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_LoremVascularPteLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "LoremVascularPteLtdMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Lorem Vascular, Pte. Ltd.",
        "label": "Lorem Vascular Pte Ltd [Member]",
        "terseLabel": "Lorem Vascular Pte Ltd [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_MaintainMinimumMarketValueOfListedSecurities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "MaintainMinimumMarketValueOfListedSecurities",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureOrganizationAndOperationsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maintain Minimum Market Value of Listed Securities",
        "documentation": "Maintain minimum market value of listed securities",
        "terseLabel": "Maintain minimum market value of listed securities"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_ManufacturingAgreementWithSpectronRXMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "ManufacturingAgreementWithSpectronRXMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Manufacturing Agreement with SpectronRX [Member]",
        "documentation": "Manufacturing Agreement with SpectronRX."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_MarchTwoThousandTwentyFivePrivatePlacementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "MarchTwoThousandTwentyFivePrivatePlacementMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "March Two Thousand Twenty Five Private Placement [Member]",
        "documentation": "March Two Thousand Twenty Five Private Placement.",
        "terseLabel": "March 2025 Private Placement"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_MarketableSecurities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "MarketableSecurities",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacilityAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Collateralized marketable securities",
        "label": "Marketable Securities",
        "totalLabel": "Marketable Securities, Total"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_MaximumBeneficialOwnershipPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "MaximumBeneficialOwnershipPercentage",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Maximum beneficial ownership percentage",
        "label": "Maximum Beneficial Ownership Percentage",
        "documentation": "Maximum beneficial ownership percentage."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_MaximumBeneficialOwnershipPercentageByElectionOfHolder": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "MaximumBeneficialOwnershipPercentageByElectionOfHolder",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maximum Beneficial Ownership Percentage By Election Of Holder",
        "documentation": "Maximum beneficial ownership percentage by election of holder.",
        "terseLabel": "Maximum beneficial ownership percentage by election of holder"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_MaximumGrantAmountToBeReceivedAsPerGrantContract": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "MaximumGrantAmountToBeReceivedAsPerGrantContract",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Maximum grant amount to be received as per grant contract.",
        "label": "Maximum Grant Amount to be Received as per Grant Contract",
        "terseLabel": "Maximum grant amount to be received as per grant contract"
       }
      }
     },
     "auth_ref": []
    },
    "srt_MaximumMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2024",
     "localname": "MaximumMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureInvestmentsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureEmployeeBenefitPlanAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maximum [Member]",
        "terseLabel": "Maximum [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_MaximumValueOfSharesToBeIssuedUnderAgreement": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "MaximumValueOfSharesToBeIssuedUnderAgreement",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Maximum value of shares to be issued under agreement.",
        "label": "Maximum Value of Shares to be Issued Under Agreement",
        "verboseLabel": "Maximum value of shares to be issued under agreement"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_May2024PrivatePlacementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "May2024PrivatePlacementMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "May 2024 Private Placement [Member]",
        "documentation": "May 2024 private placement."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_MayTwoThousandTwentyFourPurchaseAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "MayTwoThousandTwentyFourPurchaseAgreementMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "May two thousand twenty four purchase agreement.",
        "terseLabel": "May 2024 Purchase Agreement",
        "label": "May Two Thousand Twenty Four Purchase Agreement [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_MeasureAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "MeasureAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measure [Axis]",
        "terseLabel": "Measure:"
       }
      }
     },
     "auth_ref": [
      "r62"
     ]
    },
    "ecd_MeasureName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "MeasureName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measure Name",
        "terseLabel": "Name"
       }
      }
     },
     "auth_ref": [
      "r62"
     ]
    },
    "pstv_MeasurementInputCommonStockMarketPriceMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "MeasurementInputCommonStockMarketPriceMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measurement Input, Common Stock Market Price [Member]",
        "documentation": "Measurement Input, Common Stock Market Price.",
        "terseLabel": "Common Stock Market Price [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_MeasurementInputExpectedTermMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "MeasurementInputExpectedTermMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Expected Term [Member]",
        "label": "Measurement Input, Expected Term [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_MeasurementInputPriceVolatilityMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "MeasurementInputPriceVolatilityMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measurement Input, Price Volatility [Member]",
        "terseLabel": "Expected Volatility [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_MeasurementInputRiskFreeInterestRateMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "MeasurementInputRiskFreeInterestRateMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measurement Input, Risk Free Interest Rate [Member]",
        "terseLabel": "Risk-free Interest Rate [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_MeasurementInputTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "MeasurementInputTypeAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measurement Input Type [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_MeasurementInputTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "MeasurementInputTypeDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measurement Input Type [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "srt_MinimumMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2024",
     "localname": "MinimumMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureEmployeeBenefitPlanAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Minimum [Member]",
        "terseLabel": "Minimum [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_MnpiDiscTimedForCompValFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "MnpiDiscTimedForCompValFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "MNPI Disclosure Timed for Compensation Value [Flag]",
        "terseLabel": "MNPI Disclosure Timed for Compensation Value"
       }
      }
     },
     "auth_ref": [
      "r82"
     ]
    },
    "us-gaap_MoneyMarketFundsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "MoneyMarketFundsMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Money Market [Member]",
        "label": "Money Market Funds [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_MtrlTermsOfTrdArrTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "MtrlTermsOfTrdArrTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Material Terms of Trading Arrangement [Text Block]",
        "terseLabel": "Material Terms of Trading Arrangement"
       }
      }
     },
     "auth_ref": [
      "r90"
     ]
    },
    "ecd_NamedExecutiveOfficersFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "NamedExecutiveOfficersFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Named Executive Officers, Footnote [Text Block]",
        "terseLabel": "Named Executive Officers, Footnote"
       }
      }
     },
     "auth_ref": [
      "r63"
     ]
    },
    "pstv_NanoTxLicensesAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "NanoTxLicensesAgreementMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreementsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Nano Tx license agreement Member",
        "label": "Nano Tx Licenses Agreement [Member]",
        "terseLabel": "Nano Tx Licenses Agreement [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "NetCashProvidedByUsedInFinancingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net Cash Provided by (Used in) Financing Activities",
        "totalLabel": "Net cash provided by financing activities"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "NetCashProvidedByUsedInFinancingActivitiesAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net Cash Provided by (Used in) Financing Activities [Abstract]",
        "terseLabel": "Cash flows from financing activities:"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "NetCashProvidedByUsedInInvestingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net Cash Provided by (Used in) Investing Activities",
        "totalLabel": "Net cash used in investing activities"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "NetCashProvidedByUsedInInvestingActivitiesAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cash flows used in investing activities:",
        "label": "Net Cash Provided by (Used in) Investing Activities [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "NetCashProvidedByUsedInOperatingActivities",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureOrganizationAndOperationsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net Cash Provided by (Used in) Operating Activities",
        "terseLabel": "Net cash used in operating activities",
        "totalLabel": "Net cash used in operating activities"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "NetCashProvidedByUsedInOperatingActivitiesAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cash flows used in operating activities:",
        "label": "Net Cash Provided by (Used in) Operating Activities [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NetIncomeLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "NetIncomeLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 0.0
      },
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareOfCommonStockDetails": {
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted",
       "weight": 1.0,
       "order": 0.0
      },
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareOfCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureOrganizationAndOperationsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit",
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net Income (Loss)",
        "terseLabel": "Net Income (Loss)",
        "verboseLabel": "Net loss",
        "totalLabel": "Net loss"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "NetIncomeLossAvailableToCommonStockholdersDiluted",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareOfCommonStockDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareOfCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net Income (Loss) Available to Common Stockholders, Diluted",
        "totalLabel": "Net loss attributable to common stockholders - diluted"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_NetOperatingLossAndResearchAndDevelopmentTaxCreditCarryForwardsToOffsetFutureTaxableIncomePeriod": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "NetOperatingLossAndResearchAndDevelopmentTaxCreditCarryForwardsToOffsetFutureTaxableIncomePeriod",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Refers to the period of net operating loss and R&amp;D tax credit carry forwards to offset future taxable income.",
        "label": "Net Operating Loss And Research And Development Tax Credit Carry Forwards To Offset Future Taxable Income Period",
        "terseLabel": "Period of net operating loss and R&amp;D tax credit carry forwards to offset future taxable income"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_NetOperatingLossCarryforward": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "NetOperatingLossCarryforward",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Net operating loss carryforward.",
        "label": "Net Operating Loss Carryforward",
        "terseLabel": "Net operating losses"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "New Accounting Pronouncements, Policy [Policy Text Block]",
        "terseLabel": "Recently Issued Accounting Pronouncements"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_NewCapitalSubscriptionsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "NewCapitalSubscriptionsMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "New Capital Subscriptions [Member]",
        "documentation": "New Capital Subscriptions."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_NonCashFinancingExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "NonCashFinancingExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-Cash Financing Expense",
        "documentation": "Non-cash financing expense.",
        "terseLabel": "Non-cash financing expenses"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_NonGaapMeasureDescriptionTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "NonGaapMeasureDescriptionTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-GAAP Measure Description [Text Block]",
        "terseLabel": "Non-GAAP Measure Description"
       }
      }
     },
     "auth_ref": [
      "r62"
     ]
    },
    "ecd_NonNeosMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "NonNeosMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-NEOs [Member]",
        "terseLabel": "Non-NEOs"
       }
      }
     },
     "auth_ref": [
      "r25",
      "r36",
      "r46",
      "r70",
      "r79"
     ]
    },
    "ecd_NonPeoNeoAvgCompActuallyPaidAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "NonPeoNeoAvgCompActuallyPaidAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-PEO NEO Average Compensation Actually Paid Amount",
        "terseLabel": "Non-PEO NEO Average Compensation Actually Paid Amount"
       }
      }
     },
     "auth_ref": [
      "r53"
     ]
    },
    "ecd_NonPeoNeoAvgTotalCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "NonPeoNeoAvgTotalCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-PEO NEO Average Total Compensation Amount",
        "terseLabel": "Non-PEO NEO Average Total Compensation Amount"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "ecd_NonPeoNeoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "NonPeoNeoMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-PEO NEO [Member]",
        "terseLabel": "Non-PEO NEO"
       }
      }
     },
     "auth_ref": [
      "r70"
     ]
    },
    "pstv_NonRule10B51ArrModifiedFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "NonRule10B51ArrModifiedFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non Rule 10b51 Arr Modified Flag",
        "documentation": "Non rule 10b51 arr modified flag.",
        "terseLabel": "Non Rule 10b51 Arr Modified Flag"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_NonRule10b51ArrAdoptedFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "NonRule10b51ArrAdoptedFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-Rule 10b5-1 Arrangement Adopted [Flag]",
        "terseLabel": "Non-Rule 10b5-1 Arrangement Adopted"
       }
      }
     },
     "auth_ref": [
      "r90"
     ]
    },
    "ecd_NonRule10b51ArrTrmntdFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "NonRule10b51ArrTrmntdFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-Rule 10b5-1 Arrangement Terminated [Flag]",
        "terseLabel": "Non-Rule 10b5-1 Arrangement Terminated"
       }
      }
     },
     "auth_ref": [
      "r90"
     ]
    },
    "us-gaap_NonoperatingIncomeExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "NonoperatingIncomeExpense",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations": {
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Nonoperating Income (Expense)",
        "totalLabel": "Total other income"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_NumberOfMaximumCommonSharesCanBeResale": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "NumberOfMaximumCommonSharesCanBeResale",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of maximum common shares can be resale.",
        "label": "Number of Maximum Common Shares Can Be Resale",
        "verboseLabel": "Number of maximum common shares can be resale"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NumberOfOperatingSegments": {
     "xbrltype": "integerItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "NumberOfOperatingSegments",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of Operating Segments",
        "terseLabel": "Number of operating segment"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_NumberOfPreferredStockSharesExercised": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "NumberOfPreferredStockSharesExercised",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number Of Preferred Stock Shares Exercised.",
        "label": "Number Of Preferred Stock Shares Exercised",
        "terseLabel": "Number of preferred stock, shares converted"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NumberOfReportingUnits": {
     "xbrltype": "integerItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "NumberOfReportingUnits",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of Reporting Units",
        "terseLabel": "Number of reporting units"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_NumberOfVotesPerShare": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "NumberOfVotesPerShare",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number Of Votes Per Share",
        "label": "Number Of Votes Per Share",
        "documentation": "Number of votes per share."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_OfferingCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "OfferingCosts",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Offering Costs",
        "documentation": "Offering costs.",
        "terseLabel": "Offering cost",
        "verboseLabel": "Offering expenses"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_OfficeAndComputerEquipmentGross": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "OfficeAndComputerEquipmentGross",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentNetDetails": {
       "parentTag": "us-gaap_PropertyPlantAndEquipmentGross",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentNetDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The gross amount of office and computer equipment cost as of the balance sheet date.",
        "label": "Office And Computer Equipment Gross",
        "terseLabel": "Office and computer equipment"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingExpenses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OperatingExpenses",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations": {
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total operating expenses",
        "label": "Operating Expenses"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingExpensesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OperatingExpensesAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating Expenses [Abstract]",
        "terseLabel": "Operating expenses:"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingIncomeLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OperatingIncomeLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations": {
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating Income (Loss)",
        "totalLabel": "Operating loss"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingLeaseCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OperatingLeaseCost",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfLeaseCostsDetails": {
       "parentTag": "us-gaap_LeaseCost",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfLeaseCostsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating Lease, Cost",
        "terseLabel": "Operating lease expense"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingLeaseExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OperatingLeaseExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating Lease, Expense",
        "terseLabel": "Rent expense"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OperatingLeaseLiabilitiesPaymentsDueAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract]",
        "terseLabel": "Operating Leases"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingLeaseLiability": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OperatingLeaseLiability",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails2": {
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Lease liability",
        "label": "Operating Lease, Liability",
        "totalLabel": "Present value of obligations under leases"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingLeaseLiabilityCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OperatingLeaseLiabilityCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails": {
       "parentTag": "us-gaap_OperatingLeaseLiability",
       "weight": 1.0,
       "order": 0.0
      },
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating Lease, Liability, Current",
        "terseLabel": "Operating lease liability",
        "verboseLabel": "Operating lease liabilities, current",
        "negatedLabel": "Less: current portion"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingLeaseLiabilityNoncurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OperatingLeaseLiabilityNoncurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails": {
       "parentTag": "us-gaap_OperatingLeaseLiability",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureMinimumAnnualLeasePaymentsUnderOperatingLeasesDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating Lease, Liability, Noncurrent",
        "terseLabel": "Noncurrent operating lease liability",
        "verboseLabel": "Operating lease liabilities. noncurrent"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingLeasePayments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OperatingLeasePayments",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfLeaseCostsDetails": {
       "parentTag": "pstv_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfLeaseCostsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating Lease, Payments",
        "terseLabel": "Operating cash used for operating leases"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingLeaseRightOfUseAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OperatingLeaseRightOfUseAsset",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_Assets",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating lease right-use-of assets",
        "terseLabel": "Operating lease right-of-use assets",
        "verboseLabel": "Operating"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OperatingLeaseRightOfUseAssetAmortizationExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 9.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Reduction in the carrying amount of operating lease right-of-use assets",
        "label": "Operating Lease, Right-of-Use Asset, Periodic Reduction"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OperatingLeaseWeightedAverageDiscountRatePercent",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating Lease, Weighted Average Discount Rate, Percent",
        "terseLabel": "Operating lease, weighted average discount rate"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1": {
     "xbrltype": "durationItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OperatingLeaseWeightedAverageRemainingLeaseTerm1",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating Lease, Weighted Average Remaining Lease Term",
        "terseLabel": "Operating lease, weighted average remaining term"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_OperatingLeasesExpiryYear": {
     "xbrltype": "gYearItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "OperatingLeasesExpiryYear",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Operating leases, expiry year.",
        "label": "Operating Leases Expiry Year",
        "terseLabel": "Operating leases expiry year"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingLossCarryforwards": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OperatingLossCarryforwards",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating Loss Carryforwards",
        "terseLabel": "Tax loss carryforwards"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_OperatingLossCarryforwardsExpirationDates1": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "OperatingLossCarryforwardsExpirationDates1",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The expiration date of each operating loss carryforward included in total operating loss carryforwards, or the applicable range of such expiration dates.",
        "label": "Operating Loss Carryforwards Expiration Dates1",
        "terseLabel": "Net operating loss carryforwards, Expire date"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_OptionsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "OptionsMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfAntidilutiveSecuritiesExcludedFromDilutedLossPerShareDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Options.",
        "label": "Options [Member]",
        "terseLabel": "Outstanding Stock Options [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Organization, Consolidation and Presentation of Financial Statements [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureOrganizationAndOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]",
        "terseLabel": "Organization and Operations"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_Other": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "Other",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsOtherCurrentAssetsDetails": {
       "parentTag": "us-gaap_OtherAssetsCurrent",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsOtherCurrentAssetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other.",
        "label": "Other",
        "terseLabel": "Other"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OtherAssetsCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OtherAssetsCurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0,
       "order": 3.0
      },
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsOtherCurrentAssetsDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsOtherCurrentAssetsDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Assets, Current",
        "terseLabel": "Other current assets",
        "totalLabel": "Total other current assets"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OtherAssetsNoncurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OtherAssetsNoncurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_Assets",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Assets, Noncurrent",
        "terseLabel": "Other assets"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OtherDeferredCostsNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OtherDeferredCostsNet",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsOtherCurrentAssetsDetails": {
       "parentTag": "us-gaap_OtherAssetsCurrent",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsOtherCurrentAssetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Deferred Costs, Net",
        "totalLabel": "Other Deferred Costs, Net, Total",
        "terseLabel": "Deferred costs (Note 7)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OtherIncomeAndExpensesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OtherIncomeAndExpensesAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Income and Expenses [Abstract]",
        "terseLabel": "Other income (expense):"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OtherIntangibleAssetsNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OtherIntangibleAssetsNet",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_Assets",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Intangible Assets, Net",
        "terseLabel": "Intangible assets, net"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OtherLiabilitiesCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OtherLiabilitiesCurrent",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsAccountsPayableAndAccruedExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Liabilities, Current",
        "terseLabel": "Other current liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_OtherPerfMeasureAmt": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "OtherPerfMeasureAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Performance Measure, Amount",
        "terseLabel": "Other Performance Measure, Amount"
       }
      }
     },
     "auth_ref": [
      "r62"
     ]
    },
    "us-gaap_OtherPrepaidExpenseCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "OtherPrepaidExpenseCurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsOtherCurrentAssetsDetails": {
       "parentTag": "us-gaap_OtherAssetsCurrent",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsOtherCurrentAssetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Prepaid Expense, Current",
        "terseLabel": "Prepaid services"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_OutstandingAggtErrCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "OutstandingAggtErrCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Outstanding Aggregate Erroneous Compensation Amount",
        "terseLabel": "Outstanding Aggregate Erroneous Compensation Amount"
       }
      }
     },
     "auth_ref": [
      "r23",
      "r34",
      "r44",
      "r77"
     ]
    },
    "ecd_OutstandingRecoveryCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "OutstandingRecoveryCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Outstanding Recovery Compensation Amount",
        "terseLabel": "Compensation Amount"
       }
      }
     },
     "auth_ref": [
      "r26",
      "r37",
      "r47",
      "r80"
     ]
    },
    "ecd_OutstandingRecoveryIndName": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "OutstandingRecoveryIndName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Outstanding Recovery, Individual Name",
        "terseLabel": "Name"
       }
      }
     },
     "auth_ref": [
      "r26",
      "r37",
      "r47",
      "r80"
     ]
    },
    "ecd_PayVsPerformanceDisclosureLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "PayVsPerformanceDisclosureLineItems",
     "lang": {
      "en-us": {
       "role": {
        "label": "Pay vs Performance Disclosure [Line Items]",
        "terseLabel": "Pay vs Performance Disclosure"
       }
      }
     },
     "auth_ref": [
      "r51"
     ]
    },
    "us-gaap_PaymentsForRepurchaseOfEquity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PaymentsForRepurchaseOfEquity",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Purchase of treasury stock",
        "terseLabel": "Purchase of treasury stock",
        "label": "Payments for Repurchase of Equity",
        "totalLabel": "Payments for Repurchase of Equity, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PaymentsForRoyalties": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PaymentsForRoyalties",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreementsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payments for Royalties",
        "terseLabel": "License fee payment in cash"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PaymentsOfStockIssuanceCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PaymentsOfStockIssuanceCosts",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Payment of offering costs related to sale of common stock",
        "verboseLabel": "Payment of offering costs related to sale of common stock",
        "label": "Payments of Stock Issuance Costs",
        "terseLabel": "Issuance costs paid in common stock"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PaymentsToAcquireIntangibleAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PaymentsToAcquireIntangibleAssets",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payments to Acquire Intangible Assets",
        "negatedLabel": "Purchases of intangible assets"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PaymentsToAcquireProductiveAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PaymentsToAcquireProductiveAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureBioceptAssetAcquisitionsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payments to Acquire Productive Assets",
        "totalLabel": "Payments to Acquire Productive Assets, Total",
        "terseLabel": "Total cash payment"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PaymentsToAcquirePropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PaymentsToAcquirePropertyPlantAndEquipment",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payments to Acquire Property, Plant, and Equipment",
        "totalLabel": "Payments to Acquire Property, Plant, and Equipment, Total",
        "negatedLabel": "Purchases of property and equipment"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PaymentsToAcquireShortTermInvestments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PaymentsToAcquireShortTermInvestments",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payments to Acquire Short-Term Investments",
        "negatedLabel": "Purchases of short-term investments"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_PeerGroupIssuersFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "PeerGroupIssuersFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Peer Group Issuers, Footnote [Text Block]",
        "terseLabel": "Peer Group Issuers, Footnote"
       }
      }
     },
     "auth_ref": [
      "r61"
     ]
    },
    "ecd_PeerGroupTotalShareholderRtnAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "PeerGroupTotalShareholderRtnAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Peer Group Total Shareholder Return Amount",
        "terseLabel": "Peer Group Total Shareholder Return Amount"
       }
      }
     },
     "auth_ref": [
      "r61"
     ]
    },
    "ecd_PeoActuallyPaidCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "PeoActuallyPaidCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "PEO Actually Paid Compensation Amount",
        "terseLabel": "PEO Actually Paid Compensation Amount"
       }
      }
     },
     "auth_ref": [
      "r53"
     ]
    },
    "ecd_PeoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "PeoMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "PEO [Member]",
        "terseLabel": "PEO"
       }
      }
     },
     "auth_ref": [
      "r70"
     ]
    },
    "ecd_PeoName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "PeoName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "PEO Name",
        "terseLabel": "PEO Name"
       }
      }
     },
     "auth_ref": [
      "r63"
     ]
    },
    "ecd_PeoTotalCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "PeoTotalCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "PEO Total Compensation Amount",
        "terseLabel": "PEO Total Compensation Amount"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "pstv_PercentageIssuanceOfCommonStock": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "PercentageIssuanceOfCommonStock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage issuance of common stock.",
        "label": "Percentage Issuance Of Common Stock",
        "terseLabel": "Percentage issuance of common stock"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_PercentageOfAggregateAmountOfProceedsAwardedUnderCpritGrant": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "PercentageOfAggregateAmountOfProceedsAwardedUnderCpritGrant",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of aggregate amount of proceeds awarded under CPRIT grant.",
        "label": "Percentage Of Aggregate Amount Of Proceeds Awarded Under CPRIT Grant",
        "terseLabel": "Percentage of aggregate amount of proceeds awarded under CPRIT grant"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_PercentageOfCommissionOnGrossProceedsFromSaleOfCommonStock": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "PercentageOfCommissionOnGrossProceedsFromSaleOfCommonStock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of commission on gross proceeds from sale of common stock.",
        "label": "Percentage of Commission on Gross Proceeds from Sale of Common Stock",
        "verboseLabel": "Percentage of commission on gross proceeds from sale of common stock"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_PercentageOfCreditFacilityCannotExceedCollateralizedMarketableSecurities": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "PercentageOfCreditFacilityCannotExceedCollateralizedMarketableSecurities",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacilityAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Percentage of credit facility cannot exceed collateralized marketable securities",
        "label": "Percentage of Credit Facility Cannot Exceed Collateralized Marketable Securities",
        "documentation": "Percentage of credit facility cannot exceed collateralized marketable securities."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_PercentageOfGrantProceedsWithInterestNotExceedAnnually": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "PercentageOfGrantProceedsWithInterestNotExceedAnnually",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of grant proceeds with interest not exceed annually.",
        "label": "Percentage Of Grant Proceeds With Interest Not Exceed Annually",
        "terseLabel": "Percentage of grant proceeds with interest not exceed annually"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_PercentageOfNetOperatingLossCarryforwardsAvailableForOffsettingAgainstFutureTaxableIncome": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "PercentageOfNetOperatingLossCarryforwardsAvailableForOffsettingAgainstFutureTaxableIncome",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of net operating loss carryforwards available for offsetting against future taxable income.",
        "label": "Percentage Of Net Operating Loss Carryforwards Available For Offsetting Against Future Taxable Income",
        "terseLabel": "Percentage of federal net operating losses used to offset of future taxable income"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_PercentageOfNonDilutiveMonetaryAwardsRequiredToPay": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "PercentageOfNonDilutiveMonetaryAwardsRequiredToPay",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreementsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of non-dilutive monetary awards required to pay.",
        "label": "Percentage of Non-dilutive Monetary awards Required to Pay",
        "terseLabel": "Percentage of non-dilutive monetary awards required to pay"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_PeriodExercisableFromTheDateOfIssuance": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "PeriodExercisableFromTheDateOfIssuance",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Refers to the period exercisable from the date of issuance.",
        "label": "Period Exercisable From The Date Of Issuance",
        "terseLabel": "Period exercisable from the date of issuance"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_PeriodForMaterialChangesOfLiabilityForUncertainTaxBenefits": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "PeriodForMaterialChangesOfLiabilityForUncertainTaxBenefits",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Refers to period for material changes of liability for uncertain tax benefits.",
        "label": "Period For Material Changes Of Liability For Uncertain Tax Benefits",
        "terseLabel": "Period for material changes of liability for uncertain tax benefits"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_PershingCreditFacilityMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "PershingCreditFacilityMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacilityAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Pershing Credit Facility [Member]",
        "label": "Pershing Credit Facility [Member]",
        "documentation": "Pershing Credit Facility."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_PersonnelRelatedExpensesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "PersonnelRelatedExpensesMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationScheduleOfSegmentExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Personnel Related Expenses [Member]",
        "documentation": "Personnel Related Expenses [Member]",
        "terseLabel": "Personnel Related Expenses [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PlanNameAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PlanNameAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Plan Name [Axis]",
        "terseLabel": "Plan Name"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PlanNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PlanNameDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Plan Name [Domain]",
        "terseLabel": "Plan Name"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_PnsnAdjsPrrSvcCstMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "PnsnAdjsPrrSvcCstMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pension Adjustments Prior Service Cost [Member]",
        "terseLabel": "Pension Adjustments Prior Service Cost"
       }
      }
     },
     "auth_ref": [
      "r54"
     ]
    },
    "ecd_PnsnAdjsSvcCstMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "PnsnAdjsSvcCstMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pension Adjustments Service Cost [Member]",
        "terseLabel": "Pension Adjustments Service Cost"
       }
      }
     },
     "auth_ref": [
      "r110"
     ]
    },
    "ecd_PnsnBnftsAdjFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "PnsnBnftsAdjFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pension Benefits Adjustments, Footnote [Text Block]",
        "terseLabel": "Pension Benefits Adjustments, Footnote"
       }
      }
     },
     "auth_ref": [
      "r53"
     ]
    },
    "pstv_PreClinicalResearchStudyObligationsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "PreClinicalResearchStudyObligationsMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Contractual obligation to provide funding of research and development costs over periods that initially exceed one year or the normal operating cycle, if longer.",
        "label": "Pre Clinical Research Study Obligations [Member]",
        "terseLabel": "Pre-clinical Research Study Obligations [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_PreFundedWarrantsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "PreFundedWarrantsMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pre-Funded Warrants [Member]",
        "documentation": "Pre-funded warrants member."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PreferredStockDividendRatePercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PreferredStockDividendRatePercentage",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Preferred Stock, Dividend Rate, Percentage",
        "terseLabel": "Convertible preferred stock"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_PreferredStockDividendRatePercentageEliminatedDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "PreferredStockDividendRatePercentageEliminatedDate",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Preferred stock dividend rate percentage eliminated date.",
        "label": "Preferred Stock Dividend Rate Percentage Eliminated Date",
        "terseLabel": "Series A 3.6% Convertible preferred stock eliminated date"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PreferredStockMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PreferredStockMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfAntidilutiveSecuritiesExcludedFromDilutedLossPerShareDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Preferred Stock [Member]",
        "terseLabel": "Convertible Preferred Stock [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PreferredStockParOrStatedValuePerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PreferredStockParOrStatedValuePerShare",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheetsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Preferred Stock, Par or Stated Value Per Share",
        "terseLabel": "Preferred stock, par value (in dollars per share)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PreferredStockSharesAuthorized": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PreferredStockSharesAuthorized",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheetsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Preferred Stock, Shares Authorized",
        "terseLabel": "Preferred stock, shares authorized (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PreferredStockSharesIssued": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PreferredStockSharesIssued",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheetsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Preferred Stock, Shares Issued",
        "terseLabel": "Preferred stock, shares issued (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PreferredStockSharesOutstanding": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PreferredStockSharesOutstanding",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheetsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Preferred Stock, Shares Outstanding",
        "terseLabel": "Preferred stock, shares outstanding (in shares)",
        "periodStartLabel": "Preferred Stock, Shares Outstanding, Beginning Balance",
        "periodEndLabel": "Preferred Stock, Shares Outstanding, Ending Balance"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PreferredStockValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PreferredStockValue",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Preferred Stock, Value, Issued",
        "terseLabel": "Preferred stock, $0.001 par value; 5,000,000 shares authorized; 1,952 shares issued and outstanding as of December 31, 2024 and 2023"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PreferredStockVotingRights": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PreferredStockVotingRights",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Preferred stock, voting rights",
        "label": "Preferred Stock, Voting Rights"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_PrefundedWarrantMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "PrefundedWarrantMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Prefunded Warrant [Member]",
        "documentation": "Prefunded Warrant."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PrepaidExpenseAndOtherAssetsCurrentAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsOtherCurrentAssetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Prepaid Expense and Other Assets, Current [Abstract]",
        "terseLabel": "Other Current Assets [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PrepaidInsurance": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PrepaidInsurance",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsOtherCurrentAssetsDetails": {
       "parentTag": "us-gaap_OtherAssetsCurrent",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsOtherCurrentAssetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Prepaid Insurance",
        "terseLabel": "Prepaid insurance"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PrimeRateMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PrimeRateMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacilityAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Prime Rate [Member]",
        "terseLabel": "Prime Rate [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_PrivatePlacementAndPrefundedWarrantMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "PrivatePlacementAndPrefundedWarrantMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Private Placement and Prefunded Warrant [Member]",
        "label": "Private Placement and Prefunded Warrant[Member]",
        "documentation": "Private Placement and Prefunded Warrant."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PrivatePlacementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PrivatePlacementMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Private Placement Share [Member]",
        "label": "Private Placement [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ProceedsFromIssuanceOfCommonStock": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ProceedsFromIssuanceOfCommonStock",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Gross proceeds from sale of common stock",
        "label": "Proceeds from Issuance of Common Stock",
        "verboseLabel": "Proceeds from sale of common stock, net"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Proceeds from sale of common stock, net of offering costs of $0.2 million",
        "label": "Proceeds From Issuance Of Common Stock Net of Offering Costs",
        "documentation": "Proceeds from issuance of common stock net of offering costs."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ProceedsFromIssuanceOfPrivatePlacement": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ProceedsFromIssuanceOfPrivatePlacement",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds from Issuance of Private Placement",
        "terseLabel": "Proceeds from private placement"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ProceedsFromIssuanceOfWarrants": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ProceedsFromIssuanceOfWarrants",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds from Issuance of Warrants",
        "terseLabel": "Proceeds from issuance of warrants"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ProceedsFromIssuanceOrSaleOfEquity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ProceedsFromIssuanceOrSaleOfEquity",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds from Issuance or Sale of Equity",
        "totalLabel": "Proceeds from Issuance or Sale of Equity, Total",
        "verboseLabel": "Proceeds from sale of common stock warrants and pre-funded warrants, net"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ProceedsFromLinesOfCredit": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ProceedsFromLinesOfCredit",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds from Lines of Credit",
        "totalLabel": "Proceeds from Lines of Credit, Total",
        "verboseLabel": "Proceeds from credit facility"
       }
      }
     },
     "auth_ref": []
    },
    "srt_ProductOrServiceAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2024",
     "localname": "ProductOrServiceAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Product and Service [Axis]",
        "terseLabel": "Product and Service"
       }
      }
     },
     "auth_ref": []
    },
    "srt_ProductsAndServicesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2024",
     "localname": "ProductsAndServicesDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Product and Service",
        "label": "Product and Service [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_ProfessionalExpensesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "ProfessionalExpensesMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationScheduleOfSegmentExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Professional Expenses [Member]",
        "documentation": "Professional expenses."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PropertyPlantAndEquipmentGross": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PropertyPlantAndEquipmentGross",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentNetDetails": {
       "parentTag": "us-gaap_PropertyPlantAndEquipmentNet",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentNetDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property, Plant and Equipment, Gross",
        "totalLabel": "Property and equipment, gross",
        "periodStartLabel": "Property, Plant and Equipment, Gross, Beginning Balance",
        "periodEndLabel": "Property, Plant and Equipment, Gross, Ending Balance"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PropertyPlantAndEquipmentImpairment": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PropertyPlantAndEquipmentImpairment",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property, Plant and Equipment, Impairment [Policy Text Block]",
        "terseLabel": "Impairment"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PropertyPlantAndEquipmentNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PropertyPlantAndEquipmentNet",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_Assets",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentNetDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentNetDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property, Plant and Equipment, Net",
        "terseLabel": "Property and equipment, net",
        "totalLabel": "Property and equipment, net"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PropertyPlantAndEquipmentNetAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PropertyPlantAndEquipmentNetAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsPropertyAndEquipmentNetDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property, Plant and Equipment, Net [Abstract]",
        "terseLabel": "Property and Equipment, net [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PropertyPlantAndEquipmentPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PropertyPlantAndEquipmentPolicyTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Property and Equipment",
        "label": "Property, Plant and Equipment, Policy [Policy Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PropertyPlantAndEquipmentTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PropertyPlantAndEquipmentTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property, Plant and Equipment [Table Text Block]",
        "terseLabel": "Property and Equipment, Net"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PropertyPlantAndEquipmentUsefulLife": {
     "xbrltype": "durationItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "PropertyPlantAndEquipmentUsefulLife",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property, Plant and Equipment, Useful Life",
        "terseLabel": "Useful lives of the assets"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_PurchasePriceOfShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "PurchasePriceOfShare",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "purchase price of share.",
        "label": "Purchase price of share"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_PvpTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "PvpTable",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pay vs Performance Disclosure [Table]",
        "terseLabel": "Pay vs Performance Disclosure"
       }
      }
     },
     "auth_ref": [
      "r51"
     ]
    },
    "ecd_PvpTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "PvpTableTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pay vs Performance [Table Text Block]",
        "terseLabel": "Pay vs Performance Disclosure, Table"
       }
      }
     },
     "auth_ref": [
      "r51"
     ]
    },
    "srt_RangeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2024",
     "localname": "RangeAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureInvestmentsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureEmployeeBenefitPlanAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statistical Measurement [Axis]",
        "terseLabel": "Statistical Measurement"
       }
      }
     },
     "auth_ref": []
    },
    "srt_RangeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2024",
     "localname": "RangeMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureInvestmentsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureEmployeeBenefitPlanAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Statistical Measurement",
        "label": "Statistical Measurement [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesUnrecognizedTaxBenefitsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unrecognized Tax Benefits [Roll Forward]",
        "terseLabel": "Schedule of reconciliation of unrecognized tax benefits activity [Roll Forward]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Recorded Unconditional Purchase Obligation by Category of Item Purchased [Axis]",
        "terseLabel": "Recorded Unconditional Purchase Obligation by Category of Item Purchased"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RecordedUnconditionalPurchaseObligationCategoryDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "RecordedUnconditionalPurchaseObligationCategoryDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Recorded Unconditional Purchase Obligation, Category [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RecordedUnconditionalPurchaseObligationLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "RecordedUnconditionalPurchaseObligationLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Recorded Unconditional Purchase Obligation [Line Items]",
        "terseLabel": "Recorded Unconditional Purchase Obligation [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RecordedUnconditionalPurchaseObligationTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "RecordedUnconditionalPurchaseObligationTable",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Recorded Unconditional Purchase Obligation [Table]",
        "terseLabel": "Recorded Unconditional Purchase Obligation [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_RecoveryOfErrCompDisclosureLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "RecoveryOfErrCompDisclosureLineItems",
     "lang": {
      "en-us": {
       "role": {
        "label": "Recovery of Erroneously Awarded Compensation Disclosure [Line Items]",
        "terseLabel": "Recovery of Erroneously Awarded Compensation Disclosure"
       }
      }
     },
     "auth_ref": [
      "r18",
      "r29",
      "r39",
      "r72"
     ]
    },
    "pstv_RedemptionOfShortTermInvestments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "RedemptionOfShortTermInvestments",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Redemption of Short-Term Investments",
        "documentation": "Redemption of Short-Term Investments",
        "terseLabel": "Redemption of short-term investments"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RelatedPartyDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "RelatedPartyDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Related and Nonrelated Parties [Domain]",
        "terseLabel": "Related Party"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RelatedPartyTransactionsByRelatedPartyAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "RelatedPartyTransactionsByRelatedPartyAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Related and Nonrelated Parties [Axis]",
        "terseLabel": "Related Party"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RepaymentsOfLongTermDebt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "RepaymentsOfLongTermDebt",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Repayments of Long-Term Debt",
        "negatedLabel": "Principal payments of long-term obligations",
        "totalLabel": "Repayments of Long-Term Debt, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreementsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Research and Development Arrangement, Contract to Perform for Others, Type [Axis]",
        "terseLabel": "Research and Development Arrangement, Contract to Perform for Others, Type"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreementsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Research and Development Arrangement, Contract to Perform for Others, Type [Domain]",
        "terseLabel": "Research and Development Arrangement, Contract to Perform for Others, Type"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_ResearchAndDevelopmentAwardInPeriod": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "ResearchAndDevelopmentAwardInPeriod",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Research and development award in period",
        "label": "Research And Development Award In Period",
        "documentation": "Research and development award in period."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ResearchAndDevelopmentExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ResearchAndDevelopmentExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations": {
       "parentTag": "us-gaap_OperatingExpenses",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreementsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationScheduleOfSegmentExpensesDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Research and development",
        "terseLabel": "Research and development expense",
        "label": "Research and Development Expense",
        "totalLabel": "Total research and development"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ResearchAndDevelopmentExpenseMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ResearchAndDevelopmentExpenseMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationSummaryOfSharebasedCompensationRecognizedDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Research and Development Expense [Member]",
        "terseLabel": "Research and Development [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ResearchAndDevelopmentExpensePolicy": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ResearchAndDevelopmentExpensePolicy",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Research and Development Expense, Policy [Policy Text Block]",
        "terseLabel": "Research and Development"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_RestatementDateAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "RestatementDateAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Restatement Determination Date [Axis]",
        "terseLabel": "Restatement Determination Date:"
       }
      }
     },
     "auth_ref": [
      "r19",
      "r30",
      "r40",
      "r73"
     ]
    },
    "ecd_RestatementDeterminationDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "RestatementDeterminationDate",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Restatement Determination Date",
        "terseLabel": "Restatement Determination Date"
       }
      }
     },
     "auth_ref": [
      "r20",
      "r31",
      "r41",
      "r74"
     ]
    },
    "ecd_RestatementDoesNotRequireRecoveryTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "RestatementDoesNotRequireRecoveryTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Restatement Does Not Require Recovery [Text Block]",
        "terseLabel": "Restatement does not require Recovery"
       }
      }
     },
     "auth_ref": [
      "r27",
      "r38",
      "r48",
      "r81"
     ]
    },
    "pstv_RestrictedBeneficialOwnershipLevelResultOfExerciseOfWarrantToReceivePreFundedWarrant": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "RestrictedBeneficialOwnershipLevelResultOfExerciseOfWarrantToReceivePreFundedWarrant",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Restricted beneficial ownership level result of exercise of warrant to receive pre-funded warrant",
        "label": "Restricted Beneficial Ownership Level Result of Exercise of Warrant To Receive Pre-funded Warrant",
        "documentation": "Restricted beneficial ownership level result of exercise of warrant to receive pre-funded warrant."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cash and Cash Equivalents [Domain]",
        "label": "Cash and Cash Equivalents [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RetainedEarningsAccumulatedDeficit": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "RetainedEarningsAccumulatedDeficit",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureOrganizationAndOperationsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Retained Earnings (Accumulated Deficit)",
        "terseLabel": "Accumulated deficit",
        "totalLabel": "Retained Earnings (Accumulated Deficit), Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RetainedEarningsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "RetainedEarningsMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Retained Earnings [Member]",
        "terseLabel": "Accumulated Deficit [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RevenueFromContractWithCustomerAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "RevenueFromContractWithCustomerAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenue from Contract with Customer [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "RevenueFromContractWithCustomerExcludingAssessedTax",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenue from Contract with Customer, Excluding Assessed Tax",
        "verboseLabel": "Revenue recognized",
        "terseLabel": "Grant revenue"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RevenueFromContractWithCustomerPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "RevenueFromContractWithCustomerPolicyTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Grant Revenue Recognition",
        "label": "Revenue from Contract with Customer [Policy Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RevenueFromContractWithCustomerTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "RevenueFromContractWithCustomerTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenue"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenue from Contract with Customer [Text Block]",
        "terseLabel": "Grant Revenue"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_Revenues": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "Revenues",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations": {
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenue",
        "terseLabel": "Revenue recognized",
        "totalLabel": "Revenues, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Right-of-use assets acquired by assuming operating lease liabilities",
        "label": "Right-of-Use Asset Obtained in Exchange for Operating Lease Liability"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_RightsRelatedToDistributionOfAssets": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "RightsRelatedToDistributionOfAssets",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Rights related to distribution of assets",
        "label": "Rights Related To Distribution Of Assets",
        "documentation": "Rights related to distribution of assets."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_Rule10B51ArrModifiedFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "Rule10B51ArrModifiedFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Rule 10b51 Arr Modified Flag",
        "documentation": "Rule 10b51 Arr Modified Flag.",
        "terseLabel": "Rule 10b51 Arr Modified Flag"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_Rule10b51ArrAdoptedFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "Rule10b51ArrAdoptedFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Rule 10b5-1 Arrangement Adopted [Flag]",
        "terseLabel": "Rule 10b5-1 Arrangement Adopted"
       }
      }
     },
     "auth_ref": [
      "r90"
     ]
    },
    "ecd_Rule10b51ArrTrmntdFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "Rule10b51ArrTrmntdFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Rule 10b5-1 Arrangement Terminated [Flag]",
        "terseLabel": "Rule 10b5-1 Arrangement Terminated"
       }
      }
     },
     "auth_ref": [
      "r90"
     ]
    },
    "pstv_SPEAWarrantsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "SPEAWarrantsMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "SPEA Warrants [Member]",
        "documentation": "SPEA Warrants."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SaleOfStockConsiderationReceivedOnTransaction": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SaleOfStockConsiderationReceivedOnTransaction",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Consideration to purchaser in cash",
        "label": "Sale of Stock, Consideration Received on Transaction"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SaleOfStockNameOfTransactionDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SaleOfStockNameOfTransactionDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sale of Stock [Domain]",
        "terseLabel": "Sale of Stock"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SaleOfStockNumberOfSharesIssuedInTransaction",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sale of Stock, Number of Shares Issued in Transaction",
        "terseLabel": "Number of shares issued"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SaleOfStockPercentageOfOwnershipAfterTransaction",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sale of Stock, Percentage of Ownership after Transaction",
        "terseLabel": "Securities being sold in offering"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SaleOfStockTransactionDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SaleOfStockTransactionDate",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Sale closed date",
        "label": "Sale of Stock, Transaction Date"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_SalesAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "SalesAgreementMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sales agreement.",
        "label": "Sales Agreement [Member]",
        "terseLabel": "Sales Agreement [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]",
        "terseLabel": "Accounts Payable and Accrued Expenses"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfAntidilutiveSecuritiesExcludedFromDilutedLossPerShareDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Antidilutive Security, Excluded EPS Calculation [Table]",
        "terseLabel": "Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureLossPerShareTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]",
        "terseLabel": "Schedule of Antidilutive Securities Excluded from Diluted (Loss) per Share"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfAvailableForSaleSecuritiesLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureInvestmentsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Securities, Available-for-Sale [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Payment Arrangement, Cost by Plan [Table Text Block]",
        "terseLabel": "Summary of Share-Based Compensation Recognized"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfDebtInstrumentsTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfDebtInstrumentsTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureTermLoanObligationsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Term Loan Outstanding",
        "label": "Schedule of Long-Term Debt Instruments [Table Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfDebtTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfDebtTableTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureTermLoanObligationsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Debt [Table Text Block]",
        "terseLabel": "Face Value to Book Value Reconciliation"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Deferred Tax Assets and Liabilities [Table Text Block]",
        "terseLabel": "Deferred Tax Assets and Liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureLossPerShareTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Computation of Basic and Diluted Net Loss Per Share of Common Stock",
        "label": "Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]",
        "terseLabel": "Reconciliation of Total Income Tax Provision"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfFiniteLivedIntangibleAssetsTable",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsIntangibleAssetsNetDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Intangible Asset, Finite-Lived [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Finite-Lived Intangible Assets [Table Text Block]",
        "terseLabel": "Intangible Assets, Net"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_ScheduleOfOperatingAndFinancingLeaseLiabilityMaturityTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "ScheduleOfOperatingAndFinancingLeaseLiabilityMaturityTableTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule of operating and financing lease liability maturity.",
        "label": "Schedule Of Operating And Financing Lease Liability Maturity Table [Text Block]",
        "terseLabel": "Summary of Future Minimum Annual Lease Payments under Operating and Financing Leases"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfOtherCurrentAssetsTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfOtherCurrentAssetsTableTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Other Current Assets [Table Text Block]",
        "terseLabel": "Other Current Assets"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_ScheduleOfRightOfUseAssetsAndLeaseLiabilitiesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "ScheduleOfRightOfUseAssetsAndLeaseLiabilitiesTableTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule of right of use assets and lease liabilities.",
        "label": "Schedule Of Right Of Use Assets And Lease Liabilities Table [Text Block]",
        "terseLabel": "Summary of Lease Liabilities and Right-of-Use Assets"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfSegmentReportingInformationBySegmentTable",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationScheduleOfSegmentExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Segment Reporting Information, by Segment [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfSegmentReportingInformationBySegmentTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Segment Reporting Information, by Segment [Table Text Block]",
        "terseLabel": "Schedule of Segment Expenses"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfShareBasedCompensationActivityTableTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Payment Arrangement, Activity [Table Text Block]",
        "terseLabel": "Stock Option Activity"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationSummaryOfSharebasedCompensationRecognizedDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]",
        "terseLabel": "Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]",
        "terseLabel": "Weighted-average Assumptions"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfStockByClassTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfStockByClassTable",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Stock, Class of Stock [Table]",
        "terseLabel": "Schedule Of Stock By Class [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]",
        "terseLabel": "Unrecognized Tax Benefits Activity"
       }
      }
     },
     "auth_ref": []
    },
    "srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/srt/2024",
     "localname": "ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureFinancialStatementSchedules"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]",
        "terseLabel": "Financial Statement Schedules"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptionsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Future Amortization Expense on Intangible Assets",
        "label": "Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_SecuritiesPurchaseAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "SecuritiesPurchaseAgreementMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Securities Purchase Agreement [Member]",
        "documentation": "Securities purchase agreement."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_SecuritiesPurchaseAndExchangeAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "SecuritiesPurchaseAndExchangeAgreementMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Securities Purchase And Exchange Agreement [Member]",
        "documentation": "Securities purchase and exchange agreement.",
        "terseLabel": "Securities Purchase and Exchange Agreement [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "dei_Security12bTitle": {
     "xbrltype": "securityTitleItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "Security12bTitle",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Title of 12(b) Security",
        "terseLabel": "Title of 12(b) Security",
        "documentation": "Title of a 12(b) registered security."
       }
      }
     },
     "auth_ref": [
      "r0"
     ]
    },
    "dei_SecurityExchangeName": {
     "xbrltype": "edgarExchangeCodeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "SecurityExchangeName",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Security Exchange Name",
        "terseLabel": "Security Exchange Name",
        "documentation": "Name of the Exchange on which a security is registered."
       }
      }
     },
     "auth_ref": [
      "r3"
     ]
    },
    "us-gaap_SegmentReportingAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SegmentReportingAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Segment Reporting [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration": {
     "xbrltype": "enumerationSetItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SegmentReportingDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SegmentReportingDisclosureTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Segment Reporting Disclosure [Text Block]",
        "terseLabel": "Segment Information"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SegmentReportingExpenseInformationUsedByCodmDescription": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SegmentReportingExpenseInformationUsedByCodmDescription",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Segment Reporting, Expense Information Used by CODM, Description"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SegmentReportingExpenseInformationUsedByCodmTypeExtensibleEnumeration": {
     "xbrltype": "enumerationSetItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SegmentReportingExpenseInformationUsedByCodmTypeExtensibleEnumeration",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Segment Reporting, Expense Information Used by CODM, Type [Extensible Enumeration]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SegmentReportingInformationLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SegmentReportingInformationLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSegmentInformationScheduleOfSegmentExpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Segment Reporting Information [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SegmentReportingPolicyPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SegmentReportingPolicyPolicyTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Segment Reporting, Policy [Policy Text Block]",
        "terseLabel": "Segment Information"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_SeptemberTwoThousandAndTwentyTwoDistributionAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "SeptemberTwoThousandAndTwentyTwoDistributionAgreementMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "September two thousand and twenty two distribution agreement.",
        "label": "September Two Thousand and Twenty Two Distribution Agreement [Member]",
        "verboseLabel": "September 2022 Distribution Agreement [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_SeriesAConvertiblePreferredStockMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "SeriesAConvertiblePreferredStockMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Series A convertible preferred stock.",
        "label": "Series A Convertible Preferred Stock [Member]",
        "terseLabel": "Series A Convertible Preferred Stock [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_SeriesAWarrantAndSeriesBWarrantMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "SeriesAWarrantAndSeriesBWarrantMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Series A Warrant and Series B Warrant [Member]",
        "documentation": "Series a warrant and series b warrant."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_SeriesAWarrantMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "SeriesAWarrantMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Series A Warrant [Member]",
        "documentation": "Series A Warrant."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_SeriesBConvertiblePreferredStockMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "SeriesBConvertiblePreferredStockMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Series B convertible preferred stock.",
        "label": "Series B Convertible Preferred Stock [Member]",
        "terseLabel": "Series B Convertible Preferred Stock [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_SeriesBWarrantMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "SeriesBWarrantMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Series B Warrant [Member]",
        "documentation": "Series B Warrant."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_SeriesCConvertiblePreferredStockMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "SeriesCConvertiblePreferredStockMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Series C convertible preferred stock.",
        "label": "Series C Convertible Preferred Stock [Member]",
        "terseLabel": "Series C Convertible Preferred Stock [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_SeriesFConvertiblePreferredStockMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "SeriesFConvertiblePreferredStockMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Series F Convertible Preferred Stock [Member]",
        "documentation": "Series F Convertible Preferred Stock."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SeriesFPreferredStockMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SeriesFPreferredStockMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Series F Preferred Stock [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensation": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensation",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 10.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationSummaryOfSharebasedCompensationRecognizedDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Payment Arrangement, Noncash Expense",
        "terseLabel": "Share-based compensation expense",
        "totalLabel": "Share-Based Payment Arrangement, Noncash Expense, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1": {
     "xbrltype": "durationItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period",
        "verboseLabel": "Stock option vesting period"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationWeightedaverageAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract]",
        "terseLabel": "Black-Scholes-Merton option valuation model based on weighted-average assumptions [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationWeightedaverageAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate",
        "terseLabel": "Dividends"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationWeightedaverageAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate",
        "terseLabel": "Risk-free interest rate"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividend": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividend",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Weighted Average Expected Dividend",
        "terseLabel": "Dividend yield assumed"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationWeightedaverageAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate",
        "terseLabel": "Expected volatility"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationSummaryOfSharebasedCompensationRecognizedDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]",
        "terseLabel": "Share Based Compensation Arrangement By Share Based Payment Award [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant",
        "terseLabel": "Securities remaining and available for future issuances (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract]",
        "terseLabel": "Weighted Average Remaining Contractual Life (years) [Roll Forward]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Aggregated Intrinsic Value [Roll Forward]",
        "label": "Share Based Compensation Arrangement by Share Based Payment Award Options Aggregate Intrinsic Value [Abstract]",
        "documentation": "Share based compensation arrangement by share based payment award options aggregate intrinsic value."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number",
        "terseLabel": "Exercisable at December 31, 2024"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price",
        "terseLabel": "Exercisable at December 31, 2024 (in dollars per share)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value",
        "terseLabel": "Exercisable at December 31, 2024"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period",
        "negatedLabel": "Cancelled/forfeited (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross",
        "verboseLabel": "Granted (in shares)",
        "terseLabel": "Common stock shares to be issued (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationWeightedaverageAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value",
        "terseLabel": "Resulting fair value"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value",
        "periodStartLabel": "Balance as of December 31, 2023",
        "periodEndLabel": "Balance as of December 31, 2024"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number",
        "periodStartLabel": "Balance as of December 31, 2023 (in shares)",
        "periodEndLabel": "Balance as of December 31, 2024 (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]",
        "terseLabel": "Options [Roll Forward]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price",
        "periodStartLabel": "Balance as of December 31, 2023 (in dollars per share)",
        "periodEndLabel": "Balance as of December 31, 2024 (in dollars per share)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]",
        "terseLabel": "Weighted Average Exercise Price [Roll Forward]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price",
        "terseLabel": "Vested and expected to vest at December 31, 2024 (in dollars per share)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number",
        "terseLabel": "Vested and expected to vest at December 31, 2024 (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "All Award Types",
        "terseLabel": "All Award Types"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price",
        "terseLabel": "Cancelled/forfeited (in dollars per share)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price",
        "terseLabel": "Granted (in dollars per share)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShareBasedCompensationOptionAndIncentivePlansPolicy",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Payment Arrangement [Policy Text Block]",
        "terseLabel": "Share-Based Compensation"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SharePrice": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SharePrice",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share Price",
        "terseLabel": "Offering price"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage",
        "terseLabel": "Stock option vesting percentage"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod": {
     "xbrltype": "durationItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period",
        "terseLabel": "Stock option contractual term"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1": {
     "xbrltype": "durationItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationWeightedaverageAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term",
        "terseLabel": "Expected term"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value",
        "terseLabel": "Exercisable at December 31, 2023"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1": {
     "xbrltype": "durationItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term",
        "terseLabel": "Exercisable at December 31, 2024"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2": {
     "xbrltype": "durationItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Balance as of December 31, 2023",
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1": {
     "xbrltype": "durationItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term",
        "terseLabel": "Vested and expected to vest at December 31, 2024"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SharesIssued": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SharesIssued",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreementsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Shares issued",
        "label": "Shares, Issued",
        "terseLabel": "Remaining common stock issued and sold (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SharesOutstanding": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SharesOutstanding",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shares, Outstanding",
        "periodEndLabel": "Balance (in shares)",
        "periodStartLabel": "Balance (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShortTermDebtTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShortTermDebtTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacility1"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Short-Term Debt [Text Block]",
        "terseLabel": "Line of Credit Facility"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShortTermInvestments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ShortTermInvestments",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureOrganizationAndOperationsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Short-Term Investments",
        "totalLabel": "Short-Term Investments, Total",
        "terseLabel": "Investments"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SignificantAccountingPoliciesTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SignificantAccountingPoliciesTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Significant Accounting Policies [Text Block]",
        "terseLabel": "Summary of Significant Accounting Policies"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SingleStockFutureMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SingleStockFutureMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Single-Stock Future [Member]",
        "terseLabel": "Single Regular Purchase [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StateAndLocalJurisdictionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StateAndLocalJurisdictionMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "State and Local Jurisdiction [Member]",
        "terseLabel": "State [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StatementClassOfStockAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StatementClassOfStockAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class of Stock [Axis]",
        "terseLabel": "Class of Stock"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StatementEquityComponentsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StatementEquityComponentsAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfAntidilutiveSecuritiesExcludedFromDilutedLossPerShareDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Components [Axis]",
        "terseLabel": "Equity Components"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StatementLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StatementLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreementsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement [Line Items]",
        "terseLabel": "Statement [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StatementOfCashFlowsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StatementOfCashFlowsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of Cash Flows [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StatementOfFinancialPositionAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StatementOfFinancialPositionAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of Financial Position [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StatementOfStockholdersEquityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StatementOfStockholdersEquityAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of Stockholders' Equity [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StatementTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StatementTable",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLicenseAgreementsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement [Table]",
        "terseLabel": "Statement [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_StkPrcOrTsrEstimationMethodTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "StkPrcOrTsrEstimationMethodTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Stock Price or TSR Estimation Method [Text Block]",
        "terseLabel": "Stock Price or TSR Estimation Method"
       }
      }
     },
     "auth_ref": [
      "r22",
      "r33",
      "r43",
      "r76"
     ]
    },
    "us-gaap_StockAppreciationRightsSARSMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StockAppreciationRightsSARSMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Stock Appreciation Rights (SARs) [Member]",
        "terseLabel": "Stock Appreciation Rights (SARs)"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_StockBasedCompensation2015EquityIncentivePlan1Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "StockBasedCompensation2015EquityIncentivePlan1Member",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Stock based compensation 2015 equity incentive plan 1 member.",
        "label": "Stock Based Compensation2015 Equity Incentive Plan1 [Member]",
        "terseLabel": "2015 Plan [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_StockBasedCompensation2020EquityIncentivePlanMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "StockBasedCompensation2020EquityIncentivePlanMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Stock based compensation 2020 equity incentive plan.",
        "label": "Stock Based Compensation2020 Equity Incentive Plan [Member]",
        "terseLabel": "2020 Plan [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StockIssued1": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StockIssued1",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Common stock issued in payment for in process research and development",
        "label": "Stock Issued"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StockIssuedDuringPeriodSharesIssuedForServices": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StockIssuedDuringPeriodSharesIssuedForServices",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Issuance of common stock for in process research and development (in shares)",
        "label": "Stock Issued During Period, Shares, Issued for Services"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StockIssuedDuringPeriodSharesNewIssues": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StockIssuedDuringPeriodSharesNewIssues",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Issue and sale of share",
        "label": "Issue and sale of share",
        "terseLabel": "Sale and issuance of common stock, net (in shares)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StockIssuedDuringPeriodValueIssuedForServices": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StockIssuedDuringPeriodValueIssuedForServices",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Issuance of common stock for in process research and development",
        "label": "Stock Issued During Period, Value, Issued for Services"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StockIssuedDuringPeriodValueNewIssues": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StockIssuedDuringPeriodValueNewIssues",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureOrganizationAndOperationsAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Issue and sale of stock, net",
        "label": "Stockholders' equity requirement",
        "terseLabel": "Sale and issuance of common stock, net"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_StockIssuedDuringPeriodValueReclassificationOfWarrantsToEquity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "StockIssuedDuringPeriodValueReclassificationOfWarrantsToEquity",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Stock Issued During Period, Value, Reclassification of warrants to equity",
        "documentation": "Stock issued during period, value, reclassification of warrants to equity.",
        "terseLabel": "Reclass of warrants to equity"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StockIssuedDuringPeriodValueStockOptionsExercised",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Stock Issued During Period, Value, Stock Options Exercised",
        "verboseLabel": "Stock options exercised"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StockRedeemedOrCalledDuringPeriodShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StockRedeemedOrCalledDuringPeriodShares",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Redemption of Series F preferred stock (in shares)",
        "label": "Stock Redeemed or Called During Period, Shares"
       }
      }
     },
     "auth_ref": []
    },
    "srt_StockRepurchaseProgramAuthorizedAmount1": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/srt/2024",
     "localname": "StockRepurchaseProgramAuthorizedAmount1",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Stock Repurchase Program Authorized Dollar Amount",
        "verboseLabel": "Authorized amount of repurchase of stock"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share Repurchase Program, Remaining Authorized, Amount",
        "terseLabel": "Remained authorized amount for repurchase"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StockRepurchasedDuringPeriodShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StockRepurchasedDuringPeriodShares",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Stock Repurchased During Period, Shares",
        "verboseLabel": "Number of stock repurchased"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StockholdersEquity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StockholdersEquity",
     "crdr": "credit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total stockholders' equity (deficit)",
        "terseLabel": "Stockholders' deficit",
        "label": "Equity, Attributable to Parent",
        "periodEndLabel": "Balance",
        "periodStartLabel": "Balance"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StockholdersEquityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StockholdersEquityAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheetsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Stockholders' equity (deficit):",
        "label": "Equity, Attributable to Parent [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StockholdersEquityNoteAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StockholdersEquityNoteAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Stockholders' Equity Note [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StockholdersEquityNoteDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "StockholdersEquityNoteDisclosureTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity [Text Block]",
        "terseLabel": "Stockholders' Equity"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_SubscriptionAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "SubscriptionAgreementMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Subscription Agreement [Member]",
        "documentation": "Subscription Agreement [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SubsequentEventLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SubsequentEventLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Subsequent Event [Line Items]",
        "terseLabel": "Subsequent Event [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SubsequentEventMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SubsequentEventMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Subsequent Event [Member]",
        "terseLabel": "Subsequent Event [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SubsequentEventTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SubsequentEventTable",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Subsequent Event [Table]",
        "terseLabel": "Subsequent Event [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SubsequentEventTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SubsequentEventTypeAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Subsequent Event Type [Axis]",
        "terseLabel": "Subsequent Event Type"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SubsequentEventTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SubsequentEventTypeDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Subsequent Event Type [Domain]",
        "terseLabel": "Subsequent Event Type"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SubsequentEventsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SubsequentEventsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Subsequent Events [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SubsequentEventsTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SubsequentEventsTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureSubsequentEvents1"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Subsequent Events [Text Block]",
        "terseLabel": "Subsequent Events"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SubsidiarySaleOfStockAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SubsidiarySaleOfStockAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sale of Stock [Axis]",
        "terseLabel": "Sale of Stock"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_SummaryOfSignificantAccountingPoliciesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "SummaryOfSignificantAccountingPoliciesLineItems",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Summary of significant accounting policies.",
        "label": "Summary Of Significant Accounting Policies [Line Items]",
        "terseLabel": "Summary Of Significant Accounting Policies [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_SummaryOfSignificantAccountingPoliciesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "SummaryOfSignificantAccountingPoliciesTable",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Summary of significant accounting policies.",
        "label": "Summary Of Significant Accounting Policies [Table]",
        "terseLabel": "Summary Of Significant Accounting Policies [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SupplementalBalanceSheetDisclosuresTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SupplementalBalanceSheetDisclosuresTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCompositionOfCertainFinancialStatementCaptions"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Supplemental Balance Sheet Disclosures [Text Block]",
        "terseLabel": "Composition of Certain Financial Statement Captions"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SupplementalCashFlowInformationAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "SupplementalCashFlowInformationAbstract",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Supplemental Cash Flow Information [Abstract]",
        "terseLabel": "Supplemental disclosure of cash flows information:"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_TabularListTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "TabularListTableTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tabular List [Table Text Block]",
        "terseLabel": "Tabular List, Table"
       }
      }
     },
     "auth_ref": [
      "r69"
     ]
    },
    "pstv_TaxCreditCarryforwardExpirationDate1": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "TaxCreditCarryforwardExpirationDate1",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Tax credit carryforward, expiration date",
        "documentation": "Expiration date of the tax credit carryforward.",
        "label": "Tax Credit Carryforward Expiration Date1"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_TermLoanMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "TermLoanMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureTermLoanObligationsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Second amendment to the amended and restated loan and security agreement.",
        "label": "Term Loan [Member]",
        "terseLabel": "Term Loan [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_TotalShareholderRtnAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "TotalShareholderRtnAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Total Shareholder Return Amount",
        "terseLabel": "Total Shareholder Return Amount"
       }
      }
     },
     "auth_ref": [
      "r61"
     ]
    },
    "ecd_TotalShareholderRtnVsPeerGroupTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "TotalShareholderRtnVsPeerGroupTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Total Shareholder Return Vs Peer Group [Text Block]",
        "terseLabel": "Total Shareholder Return Vs Peer Group"
       }
      }
     },
     "auth_ref": [
      "r68"
     ]
    },
    "ecd_TradingArrAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "TradingArrAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement [Axis]",
        "terseLabel": "Trading Arrangement:"
       }
      }
     },
     "auth_ref": [
      "r89"
     ]
    },
    "ecd_TradingArrByIndTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "TradingArrByIndTable",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangements, by Individual [Table]",
        "terseLabel": "Trading Arrangements, by Individual"
       }
      }
     },
     "auth_ref": [
      "r91"
     ]
    },
    "dei_TradingSymbol": {
     "xbrltype": "tradingSymbolItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "TradingSymbol",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Symbol",
        "terseLabel": "Trading Symbol",
        "documentation": "Trading symbol of an instrument as listed on an exchange."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial Instruments [Domain]",
        "terseLabel": "Financial Instruments"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_TrdArrAdoptionDate": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "TrdArrAdoptionDate",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement Adoption Date",
        "terseLabel": "Adoption Date"
       }
      }
     },
     "auth_ref": [
      "r92"
     ]
    },
    "ecd_TrdArrDuration": {
     "xbrltype": "durationItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "TrdArrDuration",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement Duration",
        "terseLabel": "Arrangement Duration"
       }
      }
     },
     "auth_ref": [
      "r93"
     ]
    },
    "ecd_TrdArrExpirationDate": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "TrdArrExpirationDate",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement Expiration Date",
        "terseLabel": "Expiration Date"
       }
      }
     },
     "auth_ref": [
      "r93"
     ]
    },
    "ecd_TrdArrIndName": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "TrdArrIndName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement, Individual Name",
        "terseLabel": "Name"
       }
      }
     },
     "auth_ref": [
      "r91"
     ]
    },
    "ecd_TrdArrIndTitle": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "TrdArrIndTitle",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement, Individual Title",
        "terseLabel": "Title"
       }
      }
     },
     "auth_ref": [
      "r91"
     ]
    },
    "ecd_TrdArrSecuritiesAggAvailAmt": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "TrdArrSecuritiesAggAvailAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement, Securities Aggregate Available Amount",
        "terseLabel": "Aggregate Available"
       }
      }
     },
     "auth_ref": [
      "r94"
     ]
    },
    "ecd_TrdArrTerminationDate": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "TrdArrTerminationDate",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement Termination Date",
        "terseLabel": "Termination Date"
       }
      }
     },
     "auth_ref": [
      "r92"
     ]
    },
    "us-gaap_TreasuryStockCommonMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "TreasuryStockCommonMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Treasury Stock [Member]",
        "label": "Treasury Stock, Common [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_TreasuryStockCommonShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "TreasuryStockCommonShares",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheetsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Treasury stock, shares",
        "label": "Treasury Stock, Common, Shares"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_TreasuryStockCommonValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "TreasuryStockCommonValue",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets": {
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Treasury stock (at cost, 78,559 shars as of December 31, 2023)",
        "label": "Treasury Stock, Common, Value",
        "negatedLabel": "Treasury stock (at cost, 258,425 and 78,559 shares as of December 31, 2024 and 2023, respectively)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_TreasuryStockSharesAcquired": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "TreasuryStockSharesAcquired",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Purchase of treasury stock (in Shares)",
        "terseLabel": "Purchase of treasury stock (in Shares)",
        "label": "Treasury Stock, Shares, Acquired"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_TreasuryStockValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "TreasuryStockValue",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Treasury stock",
        "label": "Treasury Stock, Value",
        "totalLabel": "Treasury Stock, Value, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_TreasuryStockValueAcquiredCostMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "TreasuryStockValueAcquiredCostMethod",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityDeficit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Purchase of treasury stock",
        "terseLabel": "Purchase of treasury stock",
        "label": "Treasury Stock, Value, Acquired, Cost Method"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_TwentyTwentyPurchaseAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "TwentyTwentyPurchaseAgreementMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Twenty twenty purchase agreement.",
        "label": "Twenty Twenty Purchase Agreement [Member]",
        "terseLabel": "2020 Purchase Agreement [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_TwentyTwentyRepurchaseAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "TwentyTwentyRepurchaseAgreementMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "2020 Repurchase Agreement.",
        "label": "Twenty Twenty Repurchase Agreement [Member]",
        "terseLabel": "2020 Repurchase Agreement [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_TwoThousandAndTwentyTwoPurchaseAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "TwoThousandAndTwentyTwoPurchaseAgreementMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Two thousand and twenty two purchase agreement.",
        "label": "Two Thousand and Twenty Two Purchase Agreement [Member]",
        "verboseLabel": "2022 Purchase Agreement [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_TwoThousandEighteenRightsOfferingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "TwoThousandEighteenRightsOfferingMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityPreferredStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Two thousand eighteen rights offering.",
        "label": "Two Thousand Eighteen Rights Offering [Member]",
        "terseLabel": "2018 Rights Offering [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_TwoThousandTwentyTwoDistributionAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "TwoThousandTwentyTwoDistributionAgreementMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityCommonStockDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Two thousand twenty two distribution agreement.",
        "label": "Two Thousand Twenty Two Distribution Agreement [Member]",
        "terseLabel": "2022 Distribution Agreement [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_TypeOfAdoptionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "TypeOfAdoptionMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounting Standards Update [Domain]",
        "terseLabel": "Accounting Standards Update"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_TypeOfArrangementAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "TypeOfArrangementAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureGrantRevenueAdditionalInformationDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Collaborative Arrangement and Arrangement Other than Collaborative [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_TypeOfRevenueExtensibleList": {
     "xbrltype": "enumerationSetItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "TypeOfRevenueExtensibleList",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenue, Product and Service [Extensible Enumeration]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "USGovernmentCorporationsAndAgenciesSecuritiesMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "US Government Corporations and Agencies Securities [Member]",
        "terseLabel": "Government Agency Bonds [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_USTreasurySecuritiesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "USTreasurySecuritiesMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "US Treasury Securities [Member]",
        "terseLabel": "Treasury Bills [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_UndrlygSecurityMktPriceChngPct": {
     "xbrltype": "pureItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "UndrlygSecurityMktPriceChngPct",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Underlying Security Market Price Change, Percent",
        "terseLabel": "Underlying Security Market Price Change"
       }
      }
     },
     "auth_ref": [
      "r88"
     ]
    },
    "pstv_UnpaidOfferingCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "UnpaidOfferingCosts",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Unpaid Offering Costs.",
        "label": "Unpaid Offering Costs",
        "terseLabel": "Unpaid offering cost"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_UnrecognizedTaxBenefits": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "UnrecognizedTaxBenefits",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesUnrecognizedTaxBenefitsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unrecognized Tax Benefits",
        "periodEndLabel": "Unrecognized Tax Benefits \u2013 Ending",
        "periodStartLabel": "Unrecognized Tax Benefits \u2013 Beginning"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesUnrecognizedTaxBenefitsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions",
        "negatedLabel": "Gross decreases \u2013 tax positions in prior period"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense",
        "terseLabel": "Interest related to unrecognized tax benefits in interest expense and penalties",
        "totalLabel": "Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesUnrecognizedTaxBenefitsActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions",
        "terseLabel": "Gross increase \u2013 current-period tax positions"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_UseOfEstimates": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "UseOfEstimates",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Use of Estimates, Policy [Policy Text Block]",
        "terseLabel": "Use of Estimates"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ValuationAllowanceDeferredTaxAssetChangeInAmount",
     "crdr": "credit",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount",
        "terseLabel": "Increase (decrease) in valuation allowance"
       }
      }
     },
     "auth_ref": []
    },
    "srt_ValuationAndQualifyingAccountsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2024",
     "localname": "ValuationAndQualifyingAccountsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_VariableRateAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "VariableRateAxis",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacilityAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Variable Rate [Axis]",
        "terseLabel": "Variable Rate"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_VariableRateDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "VariableRateDomain",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLineOfCreditFacilityAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Variable Rate [Domain]",
        "terseLabel": "Variable Rate"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_VstngDtFrValOfEqtyAwrdsGrntdAndVstdInCvrdYrMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "VstngDtFrValOfEqtyAwrdsGrntdAndVstdInCvrdYrMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member]",
        "terseLabel": "Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year"
       }
      }
     },
     "auth_ref": [
      "r57"
     ]
    },
    "us-gaap_WarrantExercisePriceDecrease": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "WarrantExercisePriceDecrease",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Warrant, Exercise Price, Decrease",
        "terseLabel": "Reduction of exercise price of Warrants"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_WarrantIssuanceCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "WarrantIssuanceCosts",
     "crdr": "debit",
     "calculation": {
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations": {
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": -1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Warrant Issuance Costs",
        "documentation": "Warrant issuance costs.",
        "negatedLabel": "Warrant issuance costs"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_WarrantLiabilityMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "WarrantLiabilityMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangeInFairValueOfWarrantLiabilitiesDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Warrant liability.",
        "label": "Warrant Liability [Member]",
        "terseLabel": "Warrant Liability [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_WarrantMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "WarrantMember",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfAntidilutiveSecuritiesExcludedFromDilutedLossPerShareDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Warrant [Member]",
        "terseLabel": "Outstanding Warrants [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_WarrantsAndRightsOutstandingMeasurementInput": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "WarrantsAndRightsOutstandingMeasurementInput",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Warrants and Rights Outstanding, Measurement Input",
        "terseLabel": "Warrant liability, Measurement input"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_WarrantsAndRightsOutstandingTerm": {
     "xbrltype": "durationItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "WarrantsAndRightsOutstandingTerm",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfKeyInputsUsedInValuationOfLiabilityClassifiedWarrantsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Warrants and Rights Outstanding, Term",
        "terseLabel": "Warrant liability, Expected term"
       }
      }
     },
     "auth_ref": []
    },
    "pstv_WarrantsPolicyPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "WarrantsPolicyPolicyTextBlock",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Warrants",
        "label": "Warrants Policy [Policy Text Block]",
        "documentation": "Warrants Policy."
       }
      }
     },
     "auth_ref": []
    },
    "pstv_WarrantsRemainOutstandingPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.plustherapeutics.com/20241231",
     "localname": "WarrantsRemainOutstandingPercentage",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Warrants Remain Outstanding, Percentage",
        "documentation": "Warrants remain outstanding, percentage",
        "terseLabel": "Warrants remain outstanding, percentage"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "WeightedAverageNumberOfDilutedSharesOutstanding",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareOfCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Weighted Average Number of Shares Outstanding, Diluted, Total",
        "label": "Weighted Average Number of Shares Outstanding, Diluted",
        "terseLabel": "Weighted average shares of common stock - diluted",
        "verboseLabel": "Weighted average number of shares of common stock outstanding - diluted"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "WeightedAverageNumberOfSharesOutstandingBasic",
     "presentation": [
      "http://www.plustherapeutics.com/20241231/taxonomy/role/DisclosureLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareOfCommonStockDetails",
      "http://www.plustherapeutics.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Weighted Average Number of Shares Outstanding, Basic, Total",
        "label": "Weighted Average Number of Shares Outstanding, Basic",
        "terseLabel": "Weighted average shares of common stock outstanding - basic",
        "verboseLabel": "Weighted average number of shares of common stock outstanding - basic"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_YrEndFrValOfEqtyAwrdsGrntdInCvrdYrOutsdngAndUnvstdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2024",
     "localname": "YrEndFrValOfEqtyAwrdsGrntdInCvrdYrOutsdngAndUnvstdMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member]",
        "terseLabel": "Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested"
       }
      }
     },
     "auth_ref": [
      "r55"
     ]
    }
   }
  }
 },
 "std_ref": {
  "r0": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b"
  },
  "r1": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r2": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b-23"
  },
  "r3": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "d1-1"
  },
  "r4": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 10-K",
   "Number": "249",
   "Section": "310"
  },
  "r5": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Number": "249",
   "Section": "220",
   "Subsection": "f"
  },
  "r6": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16",
   "Subsection": "J",
   "Paragraph": "a"
  },
  "r7": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K"
  },
  "r8": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "b",
   "Paragraph": "1"
  },
  "r9": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "b",
   "Paragraph": "1",
   "Subparagraph": "i"
  },
  "r10": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "b",
   "Paragraph": "1",
   "Subparagraph": "ii"
  },
  "r11": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "b",
   "Paragraph": "1",
   "Subparagraph": "iii"
  },
  "r12": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "b",
   "Paragraph": "2"
  },
  "r13": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "c",
   "Paragraph": "1"
  },
  "r14": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "c",
   "Paragraph": "2"
  },
  "r15": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "c",
   "Paragraph": "2",
   "Subparagraph": "i"
  },
  "r16": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "c",
   "Paragraph": "2",
   "Subparagraph": "ii"
  },
  "r17": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "c",
   "Paragraph": "2",
   "Subparagraph": "iii"
  },
  "r18": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1"
  },
  "r19": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "i"
  },
  "r20": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "A"
  },
  "r21": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "B"
  },
  "r22": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "C"
  },
  "r23": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "D"
  },
  "r24": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "E"
  },
  "r25": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "ii"
  },
  "r26": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "iii"
  },
  "r27": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "2"
  },
  "r28": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Number": "249",
   "Section": "240",
   "Subsection": "f"
  },
  "r29": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a"
  },
  "r30": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "1"
  },
  "r31": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "i"
  },
  "r32": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "ii"
  },
  "r33": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "iii"
  },
  "r34": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "iv"
  },
  "r35": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "v"
  },
  "r36": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "2"
  },
  "r37": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "3"
  },
  "r38": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "b"
  },
  "r39": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a"
  },
  "r40": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "1"
  },
  "r41": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "i"
  },
  "r42": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "ii"
  },
  "r43": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "iii"
  },
  "r44": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "iv"
  },
  "r45": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "v"
  },
  "r46": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "2"
  },
  "r47": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "3"
  },
  "r48": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "b"
  },
  "r49": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Forms 10-K, 10-Q, 20-F",
   "Number": "240",
   "Section": "13",
   "Subsection": "a-1"
  },
  "r50": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v"
  },
  "r51": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "1"
  },
  "r52": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "ii"
  },
  "r53": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii"
  },
  "r54": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "B",
   "Clause": "1",
   "Subclause": "ii"
  },
  "r55": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1",
   "Subclause": "i"
  },
  "r56": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1",
   "Subclause": "ii"
  },
  "r57": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1",
   "Subclause": "iii"
  },
  "r58": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1",
   "Subclause": "iv"
  },
  "r59": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1",
   "Subclause": "v"
  },
  "r60": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1",
   "Subclause": "vi"
  },
  "r61": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iv"
  },
  "r62": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "vi"
  },
  "r63": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "3"
  },
  "r64": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "4"
  },
  "r65": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "5",
   "Subparagraph": "i"
  },
  "r66": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "5",
   "Subparagraph": "ii"
  },
  "r67": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "5",
   "Subparagraph": "iii"
  },
  "r68": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "5",
   "Subparagraph": "iv"
  },
  "r69": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "6"
  },
  "r70": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "6",
   "Subparagraph": "i"
  },
  "r71": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w"
  },
  "r72": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1"
  },
  "r73": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "i"
  },
  "r74": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "A"
  },
  "r75": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "B"
  },
  "r76": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "C"
  },
  "r77": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "D"
  },
  "r78": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "E"
  },
  "r79": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "ii"
  },
  "r80": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "iii"
  },
  "r81": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "2"
  },
  "r82": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "1"
  },
  "r83": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "2"
  },
  "r84": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "2",
   "Subparagraph": "ii",
   "Sentence": "A"
  },
  "r85": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "2",
   "Subparagraph": "ii",
   "Sentence": "C"
  },
  "r86": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "2",
   "Subparagraph": "ii",
   "Sentence": "D"
  },
  "r87": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "2",
   "Subparagraph": "ii",
   "Sentence": "E"
  },
  "r88": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "2",
   "Subparagraph": "ii",
   "Sentence": "F"
  },
  "r89": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "a"
  },
  "r90": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "a",
   "Paragraph": "1"
  },
  "r91": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "a",
   "Paragraph": "2",
   "Subparagraph": "A"
  },
  "r92": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "a",
   "Paragraph": "2",
   "Subparagraph": "B"
  },
  "r93": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "a",
   "Paragraph": "2",
   "Subparagraph": "C"
  },
  "r94": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "a",
   "Paragraph": "2",
   "Subparagraph": "D"
  },
  "r95": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "b",
   "Paragraph": "1"
  },
  "r96": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106"
  },
  "r97": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "b",
   "Paragraph": "1"
  },
  "r98": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "b",
   "Paragraph": "1",
   "Subparagraph": "i"
  },
  "r99": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "b",
   "Paragraph": "1",
   "Subparagraph": "ii"
  },
  "r100": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "b",
   "Paragraph": "1",
   "Subparagraph": "iii"
  },
  "r101": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "b",
   "Paragraph": "2"
  },
  "r102": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "c",
   "Paragraph": "1"
  },
  "r103": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "c",
   "Paragraph": "2"
  },
  "r104": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "c",
   "Paragraph": "2",
   "Subparagraph": "i"
  },
  "r105": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "c",
   "Paragraph": "2",
   "Subparagraph": "ii"
  },
  "r106": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "c",
   "Paragraph": "2",
   "Subparagraph": "iii"
  },
  "r107": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "402",
   "Number": "229",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1"
  },
  "r108": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "A",
   "Number": "229"
  },
  "r109": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "B",
   "Clause": "1",
   "Number": "229"
  },
  "r110": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "B",
   "Clause": "1",
   "Subclause": "i",
   "Number": "229"
  },
  "r111": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-T",
   "Number": "232",
   "Section": "405"
  },
  "r112": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-X",
   "Number": "210",
   "Section": "2",
   "Subsection": "2"
  },
  "r113": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Securities Act",
   "Number": "230",
   "Section": "405"
  }
 }
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>15
<FILENAME>0000950170-25-061028-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
begin 644 0000950170-25-061028-xbrl.zip
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MUYM)#!'M/ID\:/:Z?1LK+X^<IFVT.E;?Z+6[;</NM)MBZ(CA\/&U_J4\4 )
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M2KWEY9!UZO.K=DE=G?.MQNYLA@O8J;;3SJU7R^-=2R4VPNZ^YX$429P-3SB
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MDDQ>6 4(>7B:+$<YDWQRAL)?AOPRL;\PK5092+331.3KR#4NY>V@X0(2Z/E
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MI]YZG8W0_^1\ L/T4M*X/L[OC"BT@BBO_GYBG:JEP651S$&=6K7:Z[D6]T:
M/$^]#T)FLSZ/08I9 AH_A/GX""LL&+)XY$:,Q,I@#YR-['O.7-_QD@$?,!@[
M E#L!K[M,1A_,H;9C(('?#D><787VG[,!G;,15L<YAHX/UDPP7=2/@9JJ7]K
M?BX1/]>KR,^_^QZ/(A8 MX4/;L39) SN76!7 [C[GD<Q'^2X,&)V"'R9]/^7
M.S&+ S8,DO",G31/V93;(<-7D)]/AF$PGN/J4P-D .3 \^::)#FQ&8XJM)TX
M ?$ \1J3%'"?G5@UT7K$TE:5E%#K)KM\L,-!!(/G$2K8 4A=1ABI91N^ DI
M:Z=*O(:!YTGQ>PC2H1,%(AS8^49EKF?6VJTCE;E>MU?O=&NM5J?5M&J]#8F<
M;590XOYPXQ$#/IU( 8(!N3YH!3LO%5)NQ -\//&"*0>M@AR,(@=MG%AOFO$H
M9>9H!)(99443O[51,(BUX57Z!EHX$[)J^[X+QG-DAU/5B)(!HC )&2BRD0LB
ME-=>. R0KS"> GE^B<$TVIG1A'P, D=J44Q'#H]&8L?T# <P@,>Y[8S8&.@S
MPF^!)8:H6X>@:&<]L)-&^Q3%..).$L.HQ0L1$"340EIJ(>T?@I N2F;$QO:
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M6-GX9-B77/6TM&5?/B#4EGW9T%-;]KLX!X7OGR-RNLX3EO5=_J2OC?FB"Z=
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MIY-@-D,4D6Q=S2 US?(M*=UQD[ZS8%T*RZ!IM)JKAOYTG2ZLCOM--9W5O',
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M44= 9\G25"(]#N9,1/HV8R+2YR(SD7XH,!7I^Q/[B==[ODA\EJZXN/ZPUCA
M =/HI-'I4-#I#WJ+#\YLH*1]Q_,8- E=YP5(U-=(I)&HM,332%0J)%IJ)RT)
M>M%OPR1.0CX7_Q(8MACXHN\I^,5.^"_'2Y#&]&7F&%OVP!/])LXA@57UHEN!
MGT>3Q^)B55[O$T=KASUHAU+4DEBXH'B-VXGAQ:?KI6PO9Y;9[79?YSN"[UJ-
MTMU(^Y3]I\70OCC@.9F$P;W8Q9/P-J63O3Q<HU#C8]N=9DN%P=>L.;%+65]7
MDJNSU$^] UR3KT1V\KH7XU>G2E&]871[G1*RY*9(6 *.E 8+95 L]0\T9:L!
ME96AWE\U4FZA@DBS83;KFBUW#Y<+SIVFK09,;5J6&##;=:-7ZY:0(ZON[3P:
M]]'AG7(MX_+P3KE".T^M)JJE=7_J-Q\%K^%2"U/I$ E;4KH>GLYN=9I&N]DH
M [V?L9^C3<VCL-/+"@<5I^LN T9'CK)F:Y<A=PVQ&F(UQ):"KB4EZ^%!;+M7
M-UJ]=AGH_0R4K;IKIC.3#B5T]3V(;:^$JK0Z%"SEIDR%R*=W93;K>_2Z1JM9
M*R%/:BON*(BGJ5>1&,TQH&''+.4.=67X40NSAL*C9+T#A,)6RVC5FB5DR:H[
M*RNC(16\F<;:XG)L)$FWC#Q<&18NCU+*) +7S3K&4P=!@D>&U52K2%Y-W4I1
M=^P.!AX_#LDO#6M6D7CEH9X6;$W=?5-7PZ:&30V;^R>OIFZEJ'OTL)F&2N /
MO!UJ]_&@W=V4OABKV%;5D5JY:X[TREES9'<E1UY"@/EZ1=!\Q'U9L4C5W,G>
M]RAJZ?!P=E\M%1K F@;U6JW);JGTP=>)*)W@#^07-ZIF#]WN#!-R1HS_FKBA
MJ-1^F=P!-:D%0U1"$@U:+9K']7CB!5/.V4<?P^58+!S;,63MH=GS]9KL+_^@
MR=X'(1L'..I990>#13Q3 S[F(59-><]MO$DN4G7#+D%\!C!*[.H;!SK@C7"/
MC8R>7CDD65F>X0$^=R"H@&4:;-]/8!0AGP1AC"598.1C9M7._L&&KB>JM+SG
M_3"QPRG6<,,>K)T6(=)P\ PXV&$%HLW!P2WP]9<@YE1U2Q0 \BDGE61@5EW[
M%H5B3+#A^GB;(OR*1;:>SM I1U,Q$YL->.2$K@ 36<=DN9 _LRS1P>C_;<Y5
M<O?%*^8.!)[\L!H_'+ _;=?_$7*/$!6+347B$Q_\B,--72.Y:=I]A/$SJV&R
M*S$! /;,!"34TR12.[.4\_@>VGYD.[)D$ [[G:I5]Q&4U@0U%\B(6>I)[+7D
M3\GE=4^%MK:^YDJZ;D ]3EF6C0^*50^D3MH?G(ULT++V #P"-(53=+SA(5;M
MSBX@NP$+P9D*1R'B8!. *I>VP 1_PKN5$:K \G7X(!'5S.[L4+H78*+C40AW
MZ#K22@_YO<L?# 8#BN"W4'Z-;03W, !<=+0.I"4OU0^;B+'%F;&9RNI&=V"2
MA),@FM5NFXAQ![XWA<8?;TVU135",]_#RW@+_AU91 :#GK+JD9V@8>/C?1U4
M215ON79A?>PP-])<(]%\(]$IN@O"BWK@3+8HYQ$E?2"3:U/S6%UU8F.4R)W8
MPD"[#[Q[)#5Z*>,@\6.Q5/R7P_D@8G^UZC4#^,N8=8&-%Y)#D0 \.Z#!6+E0
M+F8T@:OT(KVS;]G=5[7*;=H(F=7/W2:#QC;PX[WK0">I1PI&?Q)A^4.8!)=^
MKI#"Q(MMR=MI<5SD-+QN6$DI-+!"$M.P 4B/$#R37<Z_@)+E4TU@)R$S/Q"5
M3HU,25[T$L2--\C_Y.(#._NL]1H_X^OD ROAN ]BG'WFFO<3X;+@M_,5'$\-
M-OM12A@ E!LR=SSF(&(Q9V)]V)B*0PI@LV&4'OX89=]'3*,.L2SK  >.:Q0&
MGB?O[TE TL3$H_(*#GE5?V$LZ\;^BTZO_3JO7Y#/*]8&%OE<7)@_%TB 7F3R
M6LULN7ZQWPR&ZP6 LTO-".2[)Z\X[7\4SH4NI"].'K>H9IC_ 9H47T_L.RX<
M^C-["$!U;GL/]C22E>"*)[8PZM6#RX1>L&*!FAO]%ROJSN(NJHM6<8M'A%._
MIW%$@0<&_3V/"#[[,P'-0O& D%04/N78HI)J#F$H O$R<$ C0X&.:.^G'SR
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M#.*^B=ZPSW;HL \F^\ 'H>O\--CG=Q41 PWF&D'6H"(RN*DY7'-XF>BV=G0
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MHMURWJIV_"&Q+<>(3@#Q&0A[V>OQLGB\;I*8?-@9(*Q!QLL6_D9D)'-GK&6
MEH-6M?@/.VAB%@Q36\SCB(J#K^?-XGGK;9<P2+[EK%7M_</.VJMV:UZMZ'$$
MKLAJ10]0MX.])^7;; *Z+0>K:K@?=K#R&?"G\O7^LGFPF,)VLHF3C <L7+Q
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MOT=C!,EYQ.^8D1F&TY['*C0!DHY;@W;*\UB!#BB<XQ:B\P#S6(_^F),CS\G
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M*<WAY58>UII7KT,'IW $.R(:W,7K[)D<I9)3KS&TI%M?5^+G\C%(F!-<EIB
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MIK^!D;X):3XH>J@TM[.5(=W%Q<@/_PZT-@@A_[+UR41)RP]O_[51U.[6=XY
MF?I0QI9.3K.0\QJ3:I0_Z*EM(%!M/9T\4EKTX3[=33].N\TN]$#8/'N$3_LJ
MDBZ+VJ>HH;D+K![^'W@RWFL#I^O:'IY'NPYNCH@!GW#V&/MQ&#^TAOU8&-DJ
M!/HU^< %3%:*M?[$QJ9SB& &2V[?&*[.W2W'(O$R<)%?DUVN;S<W4Z/$?\@M
MA/U,C'4$#-_<G[TH7KXP+8 <@O:B-<T=+)V3J]4ZX?!>)UF&TXSA;51365L:
MSRS?NP[K2G-B>A!PFYE0N$\^QYE.7^C8:;)LU!S%6:E<6/<!M'5Q;G21Z43Z
M=%<:NPO:/YE(V#4[J2LY=TH9.?Q^$.[@L\A%=V;4QSXS^@."!X=2NO"2B'"3
MBF)\C?A$9FB;ACPM)/$";'"0[ %IM^[<ZAO/(9%F&1/!6@"8>@%Y_,Z\;9!Y
M83VP\BUFU<4$2CT3!!1@^::XW<F'G0-$SQF@,?C\$6"EE;&_B'HAZW6@X?RV
MXRZ]EDM,M#(M/94P!<@=6!\"32Y19N*C]R8O;4I.'\,:J $88">K5@";>DS#
M:U0_.:H2BCCG.C:[='/OFN56<^YW;//*EEI/B:P11^?\M?H41SCSDCVKU$%O
M,'C58Z*;-XLWG:FXWX:37?88@PL0P!=:JT'4=G"*2$86EX+]5F2N%F&Y6]])
MXK/.!L=GM?:TI$229PQB/>[VF_NX+ 17_VYX$2^#),VX>4R\K'5+5MO.V5G]
MZB4!O!>@:S9\9I5F,U)!.ZN==JV0>8!SY/^?G1<&ZSVU^U#SO>X:Z-'1]%N3
M8.%/%@_U7;;S]WG-@09/=/?.YE](5H%*@&,S]P.Y/&7J)?GC%Z+2)YD71$I
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ML@3)\6ES)^C;S^&E:7]47$I@JEF1/ /U2) YI">K>GS#HFE 18DO7KP-A#1
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M1HMF449JZBD+6"6Y7#Q)>^A5S^C!M9=O@"!Y,+RH&Y$S%$N&4D9W<F&S5TT
M*+M\2<@-E2SI8,=T-)0/A^AX1TB H"!UY",$@R(8]=M8"W7CR>WXA[F'%/#D
M"Q#VF](R9A"]H<ST"%4"%L1L$9WN;W35"]I!/@3R,G2.5U080!_>';%G^_L@
M0C[@H28I(O<22F'"/TS_P'$G(*\WE.U'>\X4_Y\D>F37E5;!$ASSO9"SKE":
M_=2W%$_@(A*.M%,OA#P$>K[HF4HG/U2&>" R=)*YXT+!DI4__CD@MT*R>MS3
MX/NQ<4.Y[0=)PLST<_+54B#4-$Q6;%O6^5,*?\/-,U2Q9!0F]:6/G&E!F[<P
MW:9DE/?C#1*4#GH_N;H^ 1LU!EU&] C9YFJP/'0]-MA[K(!Y& '6@Y>I$%0.
MI%'+6IWRM4*NUHHG6J>/YW@+N3U#3P:00(+&;"=;LK712?N<UK3AA6-F73!2
MJU.>^@.ZCJ,'2,># &B>C3+P> "E8R"%@-81XM30)R_C4$T'P(NZ#Y27,/8B
M%$MHFB/$:Q,? B]*0%3[YDP<$66"K]HH0Z>[I.#F#%:U)8493U8]2@H92V=F
MS,35[QGFB@)["]Y0%*,&GG+HJYP/0A6SPC!*5I;5*)5I.2]Z=!O8G_2Y7S['
MR\=XEY)1E\]D_#WY!6$N2X+['15"BV7;1\HQA#C*^' HH^.1_\3(5T9$GAAR
M6D%G8L[YP0:.Q3"(C8/@=^I(2 YEQSL\,><E5\=[I[SFU3=*@#XTPDJ%[8':
M(X72DR//NA@9''P)C; C/^Q2C#PZ//W.0Y@ "O,93'OD+2Z&T,/%(BS6B(X)
M/Y!1F?,OI8'0=&"DC(SHT/82Q"PN2T'OWFTV7K*'8U%= C@==#;'\?HX7[#)
M+1%YL1H*S+,_"\EQ'1-72.D041WH *OTW[:"*@VR4]@YY50S?D[WG$/;T:+-
M0:(T*O1+%-^G.'F"B5%#8+',WMA/7+4SJB=83 ?1(#P1/TIG=(34.3'K)"K.
MBB\D<A&4['!-:T\9^6H8, H1^Y'BRR"_YS"BZL)/M4QIDD%U4'^WRA8"%WR$
M3X:3HA<=IS:Q*\84 X54NBH7#N-53O>?O+_'";V)QKC+F@)V4C";TV'$C6<)
M*&&;X!7[NLC/(>8XFVJ(SF#DAYST$9+$Z9ZJY ^1Q2(Z1$Z?,N<=.G.*/:?K
M)MI(F;R.$[SYZJ6K7>@E-^1;S7PCVC.EBP3A(T1(_X@(\6F5!F/<2 N[R@4P
M 3S8T0:-\5)P%;MAJ. \O&]W'MZ7G8?T?Z#P'!%JJ*J1YMBN[N+ZF$>13XNI
M0)!^*6?VFUC.(N87*!@Q#1!$3WQ=MM;60^$\93EG7OZ;)?DI]5;CTU-I ?9[
MFJSTA NGA5[@RK]9VG1&Y&%4[&0MI@_V(\_&KZF>,T935O+\?<1((T;[B'TU
MTYL C//WA)/[N";LG4).H"0?RA92PS+FU5VX^$Z.#Y-MQT)09#'BE%%.VI+I
MQCASM5 431Q:<J299[3B7EM!\,*6C6,UB;RFA!_DZSPDX"N>(%T\'P_) 5$^
MHE5WFTA,XID6Y*61>3%C$[LXR2.D$CT@?HJ>ZR:FK#FSQ_-6&P@AN<.,LI77
M[C$.??)E,%"=SW&&S3FV&4VKW]%D+%6D4C[(OU@"6J+VIL6:VSP7"96R1]BY
MI$]"6%$!9HEA85BQ:1GCIQ!*H&-J:FYX7211X  0]OX29(]G.R+F;7 R]D/B
MY-&:T)?@L^B9C(#$$%:_LJG85??R(]U /M+D49^06ZP*^U [>!RN)(T!!;)%
M30; @6V!2QIFK!+AN@7N?,8=RQ8"6)T_'A)/=;'&EMF2QH8G+P@]AI)TYX48
MXBOS(JFT]ON7*,$L)1_*J8P!>\X)'R$Y\#%A\QB&!A^E& G!4 ?/NWIV%=Z(
M4)""C]8K+$%*9G#P'!<-#TRUVW7A'*5R&M-^R7'T /AR%+L]W#.89.Q_PGZP
M@DJ#K(8<T<R(.K89:&$KQAD6QD-B0,1'1&)(),:T8Y>WL0[AZQ*4;_K24OAB
M*39\*1*Q%%L^[.2 +G -\& =2!Y<K!4+\ZAD<""LA!_9LA4;9Z>@@ZD\32_O
M0A G' \0$" >FOP']+XG,HLH2^M_:^#* G&$QD3##PII:YMHD_/0-=/L+N)E
MF&1$E%12!ZO:+'[IJA"_M)!*ZL2OK#EVRC>H#,M: UM/(BSKF9.?.%7/'%^%
M+ZZ%J=GS5&M8=,J5$G%_06%=<,1<Q(OU&H.293Z[ O-Q6.PY6(382-:2*DPR
MRF^10C*%H,]C!) 8P7H.A4E&B[D3[_[@G+D3)4=$U V8,">HE!<D(>_MYP1-
MP'C=*2ZE!<G2#.Y2@B9@O*B'TYP@!XP*>8Z_)P5$K7.\@D(80^.>.,FC$MP8
M!"(RNH?$DWH'W6+J68\C>"JQ8&X+Y!4?P^2V,1/@V+(D]A*O'J/@'SN<7H]$
M&5%D6:6>.$=;H9^V'!3EHUJ!R\AQIL\P>"?"J\C'+_^)AU99X:#2G!BBU! A
M-_OYUR!C6V.BFH94-GGFYLZQ9[&#2=L>3LM-P@O24]/$>? 4^#CRH19N'A-Y
M$08;P,C&_CGYGY%"A!R0!Y7Y?$B4T%)[<E"$Y:@(D(JG%2>F7P:^^3G[S+XE
MAD*WM(IBSGX^&H+A#IS[@C&,R,?D;CU!'W[\_?\ !S$1.C*:MK(MG8W2$;#T
M-(\2&84OW[*(-%Z'4; 7I; P?_0QCL9*[N@U#C(HIGL5,3?K#/!NE5F!-8/-
MZUM>RGIS#J!PAB'VWZP9:;)B%C Y%9#$Q3:(#*3/"JQ$3LY*#(M!+NI@'SE-
M"Y#!5+\1>LY5).'9.7#_^+*HE##Z7@SQ WQQ.?R\J#IEKZ3H=#R7*J=2ZBGZ
MWN<#I91U&A>]\G9P/Y'K:D5MJO0:RB'L57B+7$F;/'3$9/:VH3)*QK/AIZ[#
M2Z9:+- V2FCA] HUV>Q8LXQQ4BGW7.5H<I<X8$-!@2AR.;/TFZLTW>&AD@BC
MAC@JA\ 59R0/A),R<!9A)V7LL,<?!92L#7& GC9FHN?%G98%)"6B\(_.2.$>
M@(37L<I*:%E0!FK2_**I> P+[(DR7<L2--9B/7'ZU%3LE:Z.KKLX,0#4S<6)
M4,-&W>U R)Y"9VCN98 NE8>)#4'2X+%8TZ!NFFR%_11"QD7*R^<XNWB!WYY$
MT0X"LL;:Q'*S#SE>#]2 L.7CLL#Y0"3;1#$DW,!?B-S&!O\6%D18Q_*%(-<)
M"ZH7XR$84!;W0F1(Q,9$8M!O8!T*B#6C3L6T7SB\XDPF4$/;J31-Y&%(; G6
MP<ICU[+X<I?QJ/+QS&#*1BTG7.?E4 MCJV$C<)/C2;.?'"Q-^:*D2\2EJD)2
MP!&+HSDB[UJ7)9KX<;.Z1D4OZ4ID7=D[%Q/[1LTHP?W\HI9  1_C)!/HW:,!
M+H%8CDEN-]'3"",%*!OP#P+<'#DR088N/;! 3'^$BYZB48)IV1-FR]=@@H52
MIH9T8+GBB150HX6CJ3U_M#45RK%)<A:LIGD0P8GO0Z8#'7R1$"'K*8@&5R_D
M802<IE):6] ]%'YJ8B/L,Z6%]9#7V_CZ!'7P)<K-;;%\@5DN:UUC(K2.RB,I
MY3(#+BW6#/CD);_B#%[S/")EW&T8@MTDX8E[&TG>0J*>29[X<<Q)*1$[AS!_
M%8>DE@E+\".0%KJ*'R(X#4OOY11'>!UDJ2PB>H,C+X3Y$&&W!%4R<,O4$6E)
M43$F%%>3=4;EN%3(+2.U?$.K4E=07#5N[M3ERLC*W//)@*\P*&&\T,7:BLE]
M2ZND?"XF#I"EKZM_1>SE8X)'G:'W;]__ZS?"EM"!AU<]I\-.G&R<>^*\D!QU
M)2P5+"C> &&RDEQ<\,S!*$=YICV@25"+$HPT<9;<!+S6.%,1)9Y'W5*0$T'_
MX!@L6K<@XY2&=C#*U"9 KG@?)V@=1(0^_'$]L;& \GK.-6$H%$Z_7&E(.@G#
M^!E8'>NI$T/09XL'LSQ)<Y4GAYGVU$[!*#^UDD%:&9TQF-OC<O('QY]Z:+]6
M=VQ2?H0Y^28.@]6>_:\1DYR5#&FCLP^+$T>,'/J%_]=651^C/)7NB!)OD\<
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M(3JW/)>%9C<ITRNDMD!/.4.KB2[Y!7D91$&&KX,G7/& T4MJ,'IHT;5WA-A
MQW0D?@%.>^M=K-<8TE(Q2\Q;>B^W7H:+$2CP2YSMDF@9TQ37E/QNY$4HAQ59
M>P!VF4 @6K'V#OL]'1P05+9B^&FO1UN+(E1<N1@\01-LSS!B*<")_9XMQC)&
M<MAO8BV*9HW*AA\VCS\S'B/\ ,F3]KG45.D>"7Y<J<]M$0+9$">-Y<9MH"%_
MCB.)CL!.'T^,'@I&H- 3U\GWG.3D,5G&F%&C0FEP)HJ5%&][[_Y)E 4^J".%
M?+:+EU6X\[%_F<0;1<^KZE$F=29U*FH\HI@,6I/9E-7.JJ)E4:N:SW+JE/1N
M:RKTT>]!7?^!9J-;R;P?7%Y$1AH3H7+'XEM2$,8O$TQ>.+(8.,W@@7-7TR:/
M]$;*'(^8R@#31&*>5 [ZS:UT01@B]([7L":!6)-DPC6A I$>RBVWXT'.2MK;
M$U+2 Y:/6#5UBE04[*T>58C0,OX;/ 3L"X5"&^R!T+<F!XOHD) TZVVW8;"B
M%R#=6QKVM2-CE>8P<<+K=,O+/]$F&$#5C,X&.5!>RWCAS2> CH;I[EJL'7D5
M\>J1G[SD5YS!R:O4D8S\,YQ K;UEXD$M*&97. _2%>%C9^C9LQ"N.3?VPPKG
M<%O(4IOYE&JJ;GX/+?B\$)\8#P?[ >5SLVJ.ZJBELAB<5&2;3VR3.*)_8&,>
MR31[FFZULH!L._&::/1VCB6PHE0/G,5:\XL5!O,(BZ]QN",B0;*_#$(RCW&1
M(I(88M1F/_V:X!!;/- 7^CI8@8XN,5,,7+TE*4^Y,(G !:'"A#NX4;<Q$<?V
MU,0?LEG8 D&?@&E^##EEI1R-Y?=B*OX*,/YE)B>7*AI<,"<;J"_[3WK8N,'I
MK^0"6S['0Q/ 52],U4D#8ZS (J .?(1@3 "\^B96H@BU\?[W4]ZB)^0 ^7"(
M+D/O8:C76=! 0&2VLRUXD*U,.9?*BYGB"A(N+?$A$\L'B]F5Q'H0MTOE3/*,
M_(/EMSYEOE3/!(5Y04![N/L%OC['T6I4($>E$HV"II 3/SCN"F8#246[@9,?
M5.,,%G.S%OJ#^2.*)M]&EGJ2X#64//%Y?.&X+!I!3 :(VDF?,<)#.7&FS,O$
M49XYEB\K?',9)_6H=*9KP#6!#!XHRV&!6[4>'.7V5N7V_."Y+0<N]]SCJ>WI
MU/-BY)/DM&8\8?D\,YA/*[??J D7<E)W64IT%FI/9=^,+3YDGFV\P6D6K,[
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MTNG^@B&9FK0A2I7W@/E?1J7BFDQ\9 Q0%5>B I*'#GY=RHH4C"#.B?CKQ'G
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ML\M:_!WR5'E+ 3O 5]22,C@C"5NE'YA6P&N+6O<IM[PTQWY/GP@;]4R+=OO
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M%,I$S7L8E)A+K<B/@AP>L?JA/@S$3"D'@A+1AU(M\U..AI3#<5H#<6H15H
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M!U9:X5*?R;(#?&^<)C^Z1[3WU+ER?BI7)0:D*'.!./?PV&M8-HXNDU-!.H'
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M71]B9S#R@DG@-ET"<IQH=S3"=O_ (NP85PUVK;6G?D47C26A2OIXB8(ET+3
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M&INO]PU..:UWO&'U_JLYF>40'(3SP^L5D1SOW])D6,D3CMR)=!PDQ \=M+Z
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M49X*B&#=1[_87PK-L#DCJM\S]@ ]@YYG1/7FI-:B;<[UM7L$^XY6MG4IZ(!
M=2D$%2GD*(5 20'BMO'&6 $@\+N+$ZM,AVQ4XJQ"VX^>(6HH7LI+3'H"@&A5
M'M5%LE<0=M,:E,V,OR$BK$FQ2!H(1+!;QGQF5(UU2]4U8?_7!DCD%FK*G6AB
MD_WRHB(2$S35HQ")LZ>G.XE4WS)CK!5G]=[0"::*:PP+[B^KOB'565FTPUFL
M_[A\Z4>?5M(.2)?I&*?%4G6IMC&%"L#RI*;,&(%_2_/\WU6R!F+"NZCYBH=+
M#OG+-,B6D+E\2=]IG&Z.KR6O3,=$$">2.D\7+ND[>YTT_2J#ZH"T.HD<50$9
MBYVI'$5XYSW2C.W=<Y$S-FBI<5+D7)4O<9*F/08#-=VMSHAU:S \I<KJ(++N
M+N03841N6"H(0Q[L90^SLK8O3[#BW9"RG]/EV%CE^<%BFI14'?,T26C\P$M(
M2UCW01M*$26"JD*+=[.UQF6J^4#ZCIBKQ6E,Q5F)/5@$$*@B@PH'+4-)K Q1
M/"TV:K48%)@>!/,L(W?JCP[>I_(^!):"1)Z!.A''1O9IY+D-"LY\":N O91
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M?%@U?6@8O?(7(C5W,?1#F=!GI)431V;D<1C2]HYB!>K8V_?_+7?A_USL7F
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MGZ#2JS4(%=4Q23-2=DVTOBU#JFA!*AB,<A_LX Z[X+ +QP?D\)@;06U&+MS
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MO-A5)927,;@;7HE1O 6DCM8:* -)33_'XF7\2\ #*;%@3_EL-)1;ZO^5?Y9
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MZLQ2IIJJB]-TE;CHSXL549XXC_!VA42-YTW(QOSYX^<?/_ZQ_571ZT,O6.S
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M#3-8U0IVOBLG$<["]JQ>ZYUZ(=J&SZH:=2;CDWNYN\R?3J_0W#%A@]'F+DH
M2O,NR/Y."YQ:<$&"/:N,0V[H.8=\[,6,JN!"$PA?:R,OAEZ_RL%*<\U>0C=)
M03.:8]FW_HI ^]=>,-M5&8C_&?*,N3GVX%)0#0*>L"SN2UT-;456:VOL!2OS
MY9*G&#/A:R77V;_'5'C#V7LO*P1R6"ONLHGSL6A/KG3<LG=O++*8:[-L^'GZ
MB\)X@6&^1B!+FW]J7!!]/IJ>M=+ T%7>S]C*B_UV"_!SM)I*HY0J66_Y<DLA
MK^;I+:/&M]#!1+Q@?=RJ!+6*JO@CK%&E[H[ZB#QN"%Z(O24CH>19 B8^I8PM
MMN_74*H72CWGW9CUHQ#V0D0U]/UVU<S8</(P50&MWQQVXT<OI+T/%*'+>=WV
MC1>,50]DQ+Q>K)YSCB'4^7HQ?> %2X_;#5/68#,',3@^KN/TZTT">YF?G%U9
MW_T^]8+-^RQ:T^Y76:V)%\.N7&*0?E=$_-U8VO?WY<_T_-P+=EL?"&6=2?/,
M[?W,"_;J&>*8C-82Y61NZ@4;>'C-ESR_F:VLVRX_3FMC+UC1;IT]EY(7PZT:
M:]E-8L9,+L&PT9$+BP@,@_!*2J^^!6L(H0$0$EILLR1_2.-8Y.R:E4"[?7HA
M6),C-5=__&O$;G&F!W<@:QY$P N6N26\(YRPTL"+(?>']S?QT_]K+Y@=U1U:
M>\B63F<GSMC.WJ>W.-7-\1K2#W>BH*.^)53JD(_]6%=F8SQ/G?E"O[;'\_?[
MT@LF6RXI$U<M3:=?EG7X#=UJVPQRZFCLQ8STJ5T@\R :_MHRX39F;TR(<C#J
MS.-VX878CCZ'\7]^X3<;WZ?&E,$QZ7LA,)/E_.H;N+\1Q8V;>4$E97\PZKL'
M$?""93T>-[\+0OJ4\OMFD=U&ZZB B<N*A&;G.[UI5V3V0)*3^_.XK^XZBFDF
M"B-5C(XM3?R8S?K)=)!'MO_7TU]P?<YKT*'8VD--JG'I'4I@>I9E##W\[_V6
MO0C9X;(O&+_'-UXLW+JEI_VQ;&XY_>RP982UIF3-J5)-0,^?<L VIJCOAU[,
M$U,5^7Y!3#=9*N IU5XNPO/289\\F,CTLZM>IJINJ9H7=F1 Z$ZTB@ #K.FD
M.N;[Z1GFEKBG])Q*E*,Y3^6X3C.S:[?!\^$DO%CBB^PU2$30$2!2IG$42B?(
M/7NL@LN*6S-5-+0*XNJ;>S%V'].O%T1;XR?R8G7![;?-L5\$HB)!6WF=X\A,
MKC(*0^<UFYD@AKB:%HS\MG;3S]\A&7Z^Y_#I9D3 ^H.28EW![:S!EQ0L.17D
MB Z_U*@=>"&R5DV_1^9CWV^]8+0S..XY"=G.A%N+AE?? #2G/9O\*$+3[W.A
M?4AH>L"R:&8#F!I-/W3]+?- -T>\@%J_FIZY^RQZ9Q<!VT-+*NH@0IK^-@EI
M**:C%6ZOYY=>[#^SS;"_==%C)OH'BFI5X:ME $>ULN[KS M1/E#,  "+X$[#
M7,O/=_HO;:;&_E][P6P58^^:=M2/:&DZN:;++9\/]!5T0':TF#(L36V\D/\-
M.Q-7[74<[X*_I1GFX<"(VTU01Y#Q@OU:1)\$PQ)>2T2S[(:X..![+Q@NJY_O
M/43SME.TM6SF:,2]$%4]9K!S(;0V]H*5ZM%Y%Q28[EU_CN]O[<E9>[6FV2N3
M]L]9^K5X@Q46)"T.*6-3+^8$_"H<!H8U5I5PA#)> D.W;K9#OO>"8:@1L>.>
M(T@R,V!E=[?T@@F9+/:4HL,EH_6KSF@.V/>1%ZQAII%FM>F(96QIZ@4;M>BX
M*I:QIOF#R6EI8NX@ M,_D^7X1-Z2\!CA8"^"!#P->6"H -WOL\E3M4J5HKM*
MP!XOPT!27BSL>F1(NS9N;ND%$V;K(#M"M"S<KA2<0[Z??/%6RS377^SF%E[,
MDN9VYD>"*(34@B'<T=P+=B00"%LCH UU7&SFEEXPT>I3>,[I:AO?1BNCFMCC
M,R_8*T_GZO.C^_V]_RLOF)/(C]?LKWM+YO;^R O6E../ R7>0NC"IW;5OJ.Y
M%^PT0X^D6B".!,!@62ZS+0WW)+L=1\D+(<!>ZI<1:V[I!1,V4V[J<(BC.BF.
MZ']RN\QENN3G+D2Q99L42HN$X')8L>L4ZHJ8#O&#/CR--=5JUNR#AW+UC6;+
M**>8XG34DAJO>R_$K8-=+59]+"W=7WC!E(K=*K65-E]>2U,OV#"7Z6X>;R_[
M?;"U=?A USS36<+AL!<ZP%%];MT2;H<QO<FG3Z!^/8.M!"9KF(*&D?-B-=;=
M+SUBM/9\,OTL8W8U7[%[$&1Z-/=BED!;[#$SAF9>#/]GFK =$(/>'J[9T0"2
MA6TCH%3;'SV]/O2"Q1+A9;&Z3=E6YS'J<'G^E<80IOZ<&U637A]ZP6+Y7,''
MM+HS1'@,1O8UK@QC>/8X%*<_:.;%TQOE[K8%NPHP%3U+7[/ @)#6ZP,OYMEL
M/A'A?V8W7><7_M7&>DCC2N&J_A6P6K_T8N:>,HP7WZ&1B]N[6D,!V]IZP8A6
M@!"N,\#BZSA&VEM[P<QU>WC7];8 ZX_V]A(W6Q>[0^A-?V;*0 M\+ OG<..<
M-#7R8BYOHP3N*D0O-LV-_KL7 U8ODWYFR8[F7K#3 I(B3<90F'@;PTD 5Y%P
M0G&;C5Y_TL3Y.)2]$%(3M+03/;.UM1?,2$#/+ZPI^]<2)2L)A95'1\SJ"4<Y
MD*87@NEC?,!P(_6GY!63Q$2I->/3?B!-+P2C4CO;PVTK+?P8-'WE)50W<'<+
M36;7X\W?ZT,O6&QUJ!^7$>@7<T/-J;_P*M%)*#U43RG\Z7 K:SNZDA>C\V.R
MJN#J[>>$H9T?#(R7Q]7ERV*OW=@ ]#;=*+P0?K7D<9\PK^XOO&"J])V'?]OF
M!;='=ME\.C^8W*U>@FKQ<-VZ][S^NQ=S4+_*>P* ]/C,"_9 ZZZ5-&:/JH)M
M<;#U\I+'U3_HQ8_QJ=4,#1)@S[( (ZBK7(EMT_O=C< +H3]0=G-M*3Y:Q57\
M:U2\7; MRQ3\K.N5U//3Z4U*93E!!4L&F@J?CWTY_8=\[,6,UMVO75/8UM8+
M1N1E 9L.;G]='ZC7VNK[S?2+\3Q*X?=]R\[<S(MY,54IE7\3YN1:]JXTEID5
M0G#CF;W5X_?CA0#[6%'0! %@/^D2HI1$.W- [!!ZDZ=R: _ ,K>R!*V22;(R
M'AW?6*V92(.(>;$VU-3P6A2\'"5-@E@4G))Y%&(#=-KH^Y'P@NVNNM_=QNG]
MWWG!H(KQ*M$H3?P8FDU_9:E@^B6L%Q%DWXQ=,+7R0O9B9.=ILLT[LV^-#3UY
MJSZ^T3CNS,C76W@A]UO-V7D=+!&MK-66UMK8"U;$RKC/TA7-<T0$N*9]UE++
M%UXP-0:TH,KX?:++MR3ZQY;F[5>TTXX]V;?L'KX)V8Q'JVC) WX[#$XMC;U8
M+6*NNN)L*BV\&+2H="Z>A8L,'X7M^=T=S;U@1X-V-J0PY-RKU[GCNC[T9,>(
M(U+9*T''VS9*G7>U]6*NAOK4A(\#SK0I77M'#,,+\=>Q^SLOI-;&7K!2YF+W
M273=?_T.H>>'0*I^U\Y+J:VM%XSL,:'W".\XC,+T;TEIUZQM. -F58_FDU]8
M,LFV-#%=L[\T[JJ69M//QL]9FN<'82@<\)D7.TS64=-BP-D38AEMV&FG_O0(
M'@)VY>7/FQ#,I&&*=U\;C-]0FEX(IAIST)H&8&CFQ?"9QB?2?7A:%"@>D-YF
M/B/-;;U@I"-:GRVF[7J+J4YZR+Y1OS^8BA?,5Y),N$6 X_AA;M<=+=Y28\!,
MG^^\8+!4M5KBQQ_* M.'*&Z'4O-"&(/"*U0@Q664;](\B-DEM-U 31^H?@!'
M+E-;A?F\)83?9?_3W^V7[-3+1-P5N$TARP<61ENAE<[FT[.S5]V 1/J5S)HT
MUYHX@L;D*N8%)%RPX^XB#9LE?K3?O-CA7>$7]0+4AX9OU+_W@N%^J*Z> KKV
MB1N8%]<TA!Q[M*P5:;:K-#XV'&$/62_$\W.:AE^C..8N\XI.U>-AWO_KZ<_6
M!Z93?/IX_M.G>9;=I2&6![R.@]?& =K6<'H6!-HNXC"9B@'>TPQ_DT:2!FN'
M$O!BB0ZJ[=>)!CL&X<GO3@QVNG]+DY8H[_KO7LRI*1E NP;W/](;GWC!UIRI
MR"&46&7;J8RIO?H&6C4[1-!^N6;7NEA6]<C4VZX:>6/1]D)0B+\,^;8WZTV6
MOO,MA18WHVK1VMH+9N:A*J 01.PBO @V41'$QDDT-_6"C4NHP0/&A43!?T.^
MH:A* W&%RS?I")._\XQ7  -A/YH8'DS4"]$HO4TD++47T#*W](()#M_(+_NV
M *5Z&R\&KF3:0R-M:SN]\G:=\5IJ0:PGBW5Y(/9^X<7LP'BB@NM$"6YTMI]I
MLNP/1' ( 2]8YLH'&%?,J8[Z[UX,N&E*[F=P]F+P;$6\TZR IV55!VR'S-OS
MB1=LS=^#*(8S]CK-'H.8@K.FU.N$%X/;^C$6T*A.'$C#"\9UU/U:\DLU2/(0
M7\%!I*:_#(2.$[P*TVR$T;.+I.%TAEGMOB6.)^7%:F@I^-Q5/JKS"R^8NDE0
M\#FX7BC[#IPNEU"L(-V8T^$.^M 3%NN*;E=]3W/;Z??A(\W8Z7#>71#:U,B+
M.:A6+9$I3V!;1CM56!X-YJ=9WZ^GGR<VECQ-$AH+5%21UM464=7=W(NY>Z!%
M "]C::=I/Q/,+;U@H@J8KV##T*DHO<;;%NR,OM]ZP6B+&:,UT:>KO1<,U<V#
M6([PD"SZR@=>L-2HD]F*FF4T+_?^>OK3D(.U1X"+?7/_<%D&CF80&35/ZI&D
MC?/Q4 +3LSQGD@\Q;)^'KT@WS%VP^_SQ\Q_NL^B=_8G-U;(+<. H*I-[>&1D
M[1-3/_A\\%20NJ>GK=WDZ>_XVF!C48"VB/9=@C]Q5V0EL^. S[PX?&Z9SDYI
MR]-$JRX)<=%/7U.SE^,@$EZPK659#'-/]:@*/T8/TQ]DD*JQS"*,D]X+R]/>
MUHO9EU6 56;:<Q*9E3USR^EGXSG9L&NP.Z#.T,8+Z:MTQ^Z\8C3\/2?I2TXS
M].E@8%DU4NFVR_%LHQ\O!-@#>P?,,-D[(HI@TE@0Y_WJ-XY%VPM!74"3I.!1
MOU !@B,8P+^U6-_;FD^N2\VW;"1I=AUEZYNPKD!5?IQ<:[K[_]E[L^W&<2QM
M]%7.JG.=<V95Y;^Z+^0IRMVVY2,K,KO/32R:A&164J22@\/*I_\!<! 'C"1(
M@(36ZJZ," $@\&%C8V./?HB<M;IW0^='0XBD4BRS##.M1D9,O9O/$.?W1IG1
M<Z4RO62@8%<CEMD4+;'O\7KW.<D=-@GU,OC*=_X81BR<XG5#)U-F!^T\+,\*
M\#L(@O\.HZ_A"]R)*(0/=V1OIN3<H#0V9'=*YX9D&Y7R G@"Z3D]U#;"&HLX
M0@5KO:L3)#BX*Q4MGLL4,#-WC/ =_1(L(76G?+)/@]X6>(JUW'U$T93:R B"
MSB=6N0HC!UP<%<NQCU$Z&+$D4=W$$_A(MU]!\ X>HS!]HWAS]AO+""#P[9[?
MZ><[GGA1DAKJ/UFY+7,E8O!<F6?PQ* ^QP ]R,OLJ)PM(+8V8C$B>4F*^>:Y
MP4J)DE\%KO>8^@D4>Z"2G51)O^N?,'*K2;AW+J&1$43X CEP /"#+*^;1Q>*
M*4W-6 ;15% E;SK;#,YM"$:'X:,9 4;MZN%QQT8K0QXV-1T!,S!(K(<1.W+C
M)\X>GOY]89LH$AH195O1/OHY'[P^<!&YTG6#H#9@M3-B9U@Y1;K:#!'Q=MB(
M1H#2=BONOAC+Q'FX-A$](V.O@8R H%U/IMBN^W 7Q0>\@4@W< 59CW>X 965
MCGB;]!O*"!BV</2*]=Q^I'#BB)P??'(U T9S(Y:##,11F"=)XGB,<R)69(<Q
M9?GE/4D- FFW,6+BG=25-&\!8D,CEH#N[:3,_<U,H]%M9\0"2LT,9.6;Z)07
M6B M@-3.B 7D%6YS7V>D;RL]GLD:.7);(Q92NL1$NSY5T,6C:E2,;P1@A0[H
M/DRR&*5#(I)MJXT1$R_R=;6R=%4.&>?P2"(G%^ULP$NB< \BY7@HRV VK/7B
MO8S8QU8M )KWC$P] >X81BP<*QG:K.,)T!42A+9&+*09+%,Z@Z%$IT0-$J.Y
M$<NA.K=#O%F2KT@__>RD$1+9*+9R[81AE-Y^H*#(ZRA P4&Q$R!5WJ,3_P%2
M='>='ZD=CJ-J8"-H@&*!XWM]5$WU[[1(&C92 5_ISD;L6'4%7)UJB0+O8ISZ
MW:7F)!'H9L3R.D_I,]E%27(-=^)4E, 6<[FD=S=BN8R\%[2'.:6Y_G-XSBB;
M9^E%N=+67T,0)V_^\0$%,,,660!OPE(PJPK08%\<E'\.BG%W6>@!K_BA<U['
M^(@1E-"J.5+*M3<HV %*M2+9T22'T$\Q3U$HG)&1T=:(_7OQ]R&N9@5EHG.Z
M?*3,1JDGF$]MH9YF++(*Q&DKM&N:[*M3\:-@V@ZIH8R @9R8H59JJ,R=N8V@
MM(A6<Q?%^&F37)V0?IQV2RL96/^Y?G3";(?J).&:=J7' RK7\G*$TE8,C_+_
M4)PDQ+L:00DD/[8-O)B^YA6BB,I==A<CED6N*]VMI75%J:7U&[REX3T48I<K
M=%EO(_1/M<NGFZ=TZF\; ;2H'Z0H(9'Z&K%0S*1*Z1S'S[$T0.V&6I?@GKPO
MUR=(,4G^=C^A(";(IYR<'+=O?@SI,$Y/M^$>_EM'?.G37S\/7^^@2 +P*P,%
MU(*X4O-T4K2*M#>""'/O$\#7=1 ;&N(:]7)P@N J2Y"-D%(LLM'$".09,MX#
MRP%*I)_)S*'(Y 60)10I))($+2*O?'O*"_[BQO"/V[<8."GYJ3#>5XR@CJ:F
M')LP7HYPGMXZ_,V)?:0WW8AIV>E]C5GHV>;&?!]1FNJ_&-K:$VK^+7([0_9!
M6$UX$QV@].B[Y#V2'L:(Y6,;:9Z:]@8_M.!CTH^\>LI:Y*P'XG=XI9/YLM0(
M1BRZ\$BCO+OSWXR8Z.>7*@EO92RB>^336QNQF+,3C:C+ KN'$8MJ)$G.:;[,
MG$5:$:.Y$<M!DE3;ELDR +/:&[&@UM0HRK9N*S,F?RXROGX-_#VU%":QH7[Y
MX/;#Q65C*6)!\V<C$$?A<0 KF1KI**OLDWDIH(.?'9(:<R)M2;^1].]9,]@3
MSE(B)RZGEQ$[_ 124E!_%8TBECQ ?A0C%H_]5D,G*(2<0BB[W[RP4E SNQBQ
MK*%ZXII"N&4X+2W'.!YE#!6UX*?U\X5KI 5#X=/O2)> BZ*5)BKTYO;3+(62
M 'R<.DEY&U%X1>^1S* UE)8!!76@.FK_!:7LQ/-Q619&I"R[BQ'+:J7N6;_F
M2:;OP_*21M9%<0^Q <,9 0=)KCU[W-P!P,ZE+M'=B.56KRN20Q@]48E -R.6
MUU'.H$GGC#H(HJ^T& "!;OKY,GY)=BZ@'[__\7MD=4E1C5G$9M]1&F,"C^H[
MAA'[>L[4E*=[Q17)(4-AET3G]S)B<=7APHDS$^S0]A/]DF$T-V(Y36[?DG6J
M7 KX1^3[0%3PRXYAQ,)1UE[,$M/;=YQLC.D*16MLM&4KRJ,KDW6<7W(I *AB
MS3'*XWTEK> BPQFQLZWL.HPH3G)+(Q9QC<6Q^[#F;QC[\ U[#,#YGU[0$P79
M+CX?/2C+WA\.**#!=X+<9YZHDE(PKO[;M6E2O NB*&Z7@&>U,V*')9) "= N
MJWM[N?_QW7FU4"3^H_8+_N%8JZJ-?B^^WEGZ,<@2Y OD'$&6^F[R+;S OT,5
M&G[X\:<?ODN=CRB,#J?O,"!EU8/RO\C["WM"U/P%JF7Z*?I2>QI_:VP+0'D+
M/.#]C;"-47,' Y2I+ZJNY[<8[/)U)' A>/\@Q_MV'[U_YP$?+P#]X1OTAV\_
M$N__16X;UQ&\SMJJ)XQ@[M;1_)U$6R-,*D=P _8^^FZ8/CD'0)@;L=FD4[S&
MB::#>[AA'_\-3M0YMMM--,EM["!-S\OI\!H%A,DU?Y]H4L7AO?,3UPE0-8G;
MT+NI,;DZ\=&:3KK)G%2WG<VFM9]TTK]% >2B3GRZ\P,H^5 GVVXWZ22QLM?!
M07!P6YW6K="9*Z7YM"<^_VCE%H:4;1D=7DKS2:>,=_8:'IM]%--95+/5I!-\
MSEX#WX52C$/?^WJ;:3=<(!]<=]M9G2::?BF1G+GG'?P7$JG26FJ9:.[.(S;5
M>MN))XM"7ACSPS]/-*6JK%C]X5N;4_/WB7'*MXA^Q9/;37K"7][@A8TTD4Y(
M9X^-1M-.C^1UW9U?H]6D$[P]@!@Y^'Z*HZ_I&P](<NN))GSO[N*BS,HJ37$)
M/O@(HYP;1N/).2.\2P[I;1Q'\74$)0J7,6V!3A--OW +//WPX^L6/7T)D^TT
MF7AJI7V0\L(D-IM<>&M&K!$EMZ+)Q-*[&\50KL7' AN=KY'F)D:I).G/=7:O
M21>P=3Z*4 4_+WG  9K6?M))KSP/RI-)\9\'R.]_H$Z8U%;S9'^4F.R/6B9[
M#?^XCK?P_<Z;:JVECHGBP[..L5-8S:1,FVV[N8XI/T?P%@W^?__(9!'$QE-I
MI]#W8^!0)MCX>:(I83^>Y[<HI%\$G283"RBK,,R0SUZ]+C!!)&DTF_K!1BE?
M3'J\M9M.]9 C50>L/^0:OT\[*8J 5/]UV@F598KHDZI:3#NQ]=$/4>[?MMV]
M.\%.RXF/1'*6Q9!/\0;Y'P%X-;"F+MZ7L)BZY4N).?+H(.WJ-^Z;'U0'YARU
M3+1M->.5VS:F*/9 _)]_^_G7;[__V_]SC/T(2?__^3<HM60)G%!TS.ORH=\*
M;ZV''!OJ5/$\4^1\@%O. Y:.7:O Y9?O;<6E94HK\?C!5CSH5KP2FA]MA89C
M-2SQ^<EN?#H&RA*7G^W&A683+>'YQ6YX:/;7$IZ_VPU/R]9;HO(/NU%I&)A+
M3/YI-R9LNW8)DK5R,-5Z7B#S=VLE88:YOL3&6JFXZ1U0PF&M)-SR3"CQL%;R
MI3A%E+A8+ODV_3!*4"R7=UO>'R4JEHNY%)>3$AUKQ5V6?TL)CK5RKX@W30F2
M8KDWF ,^77>= HU_6"OKDMV$2EBL%7.[KDDE)-:*ND(N425*U@K '+^K$A_+
M!6&BBU>)C>7R,-&CK,3&<JF8X,!6(F.M1,SVF"OAL58F9GGGE>!8JP-N^@(6
M</S36F&XZX=80F*M($SV?RQAL588IOM<EM!8*P&W?#Q+/*R5>!ONI24:ULJX
M'=_6$A%K)5NJ4VV)C+62K807;XF58C&WH]4L$O"T$]Q,D8<'B_9%G<(D"GP/
MH^$$*&OBRQL M:S9DV?AV3G)*X:NR'&4NV6#($W*?SG[9U=ID' &R,+;B9*?
MA]U6B3-YGZFC3-6H&A?\#\KG^.X$B$I7*:Y*XH=[G#:0LA2QOMJ6ULU!Q=D:
M1@=MB^B1H*M-<!(CF+!7*$$\<G1ZBP+("),\RZCXSK&[:UN@])),7,1S>>/@
MR;%8 ZFE1NR+ZV:]*Y+PPZ=QD4B2NPL"7?4Q!WR7"%TX^B?[\@8?E2CU*J$X
M1AMU4E-M$Z?D(F=S74XGTQ;S%(5NG_74^ND38<[.L4QII=U,(QN-()KI"67,
MQCDHRQ*HM5JW'7[*Z-)W(2@[Z3>EB(YGB/.5?D(1=AO@ BC1O782@1";:(.R
M3,.>Y^UF'TER6T.FSCV U.;:%M"H5Y:?+M;YHS8WA!>VRE((\<%V'WU+04_O
MQM.2-O]N0XU"?PB2LA0&>]K$IB:\5O@/$HWBH>?YN;+HV?$AX[AVCG[JM'/+
M\EIKF_ZG*/*^^@%MOM7/FL5OSNO;D*,6A7LD4*-<Y)R31FBI5;3+Z^(DN&0\
M3@P/X"N,>O!8/;0M8P/R$D>W3HR*4"0KU\T.68"TGO!:]UV?MAD"'?5>.?=A
MZH1[5'DA)W2Z!$MM;@(7YUT^YBC*NFHA8?V1$=()_Z%);&L"D1 UBST5DKHO
M+>9MI=F81KPZ604W!6T8A6%MF19(<:-'S_H=]N$G9(AH5O:C8V\%>')P$:T)
MEN D;I!H'->6OM\*L,A&CBXL=AXYX4N2;'XI,/IAT1C)W8D\<X]MD$E?@P(F
M)BLPE$.M:\6R!*1^5Z$X@5H!(_^29!L=+0*)<060S9\%-C\N&ANY.Y)B=K4-
M*>FKD6[SM0(Z.;#H]F6E8/V:@Q6"/5*KFP07GZES+-AC$)4)V3&D'S\D\W@!
MSD^+/G%R;/V!:)"W#:@A>K^1T(I2)S )+3E\J'X(5E 6GXN?'1TL D3$.D%D
MV#\O^F1),FR26\<H.)E&1$/X-=.KQ KTY/ 2<5^Q C8!@9SJ%&,%0++B)M7(
M_(LM3%Z:>0FH.M6"9QJ-#87+$AH3Y%5=KRPKB$C1<X_B$E8F)K6<P$I7L^G@
M,#JGP3.&] W D<Y.^/-(<+# Z&6X&^L8;YJ'M<K/(,:E-2@+$NQ\B7$>=]?R
MZB>K+'V#?.0OT"Z\*=C)J,7@4F,R"RDZ&+6(1CT:X974>YD0/BS)$T1ZFK L
MP4/#ZF'.,IC'A=;:G.GS#PJSBTG!OOGL**N@MS=#>AWBJDQG$U:XG/9UV1+0
M7"P=N/XTU^7A5KAL#8>LO"\N#C9"<)$*"R[;'-G;39=[#2Q;U]\;-RHK6[;*
M<2!>+3ZF5IFV,*Q(3.P?%\ $A/,J^^SX:)FFJZW^,5GO"K]*^.O<]+3%&N#<
MP#W\(S7#7K>AQNP8[R#,J"_)ZF>U$TSBM#8Y^+?SQ.!?4+B$E[DIO.!!_.Z[
M8/7AMR=(;:9CHM@4E<\AN8D.CA_29TMHJVWS<T_XBAPYJFI::_UJ]RTA51ZE
MD?Y\9[<?1Q F@)<YE-Y>(Z]( +P54;J'&\@7@@B',!7SHS(05A]]Z:U0G-$C
MR(NS$"=>;Z$[S0\Z=RAJ3)!RV)T4)ZPLM% 5G;8F16ZC3Y,*QU[OBEOM%DD,
M"7(5>_ 3&IJL'OK(%X20.P0H98AW\$,?;6WJOP/V6>3UTK:<.\>/\2M^Y?T[
MR\/CU[O?G1@=09IDPNYC#IL79>^JSV4!!7JY(B^(ZRCI0$EOIQ^^G'\]1 D7
MP%I+C8)4F=8AG\U]")]=@,I3J,TU+B"?04&-3_"]5N)+70.]A[9EE$[2I3;P
MRDE\E[( <EMM4Z\#F%,%FYG3VQN#_HT?9"G57$QKK6\'0,KE.LTVVJ;Z.T#1
MIL!;O4,*V!=5!M>[C@*.1?]R8YBVU():1.WZLJ.8HEBD:92:$2*E"F<,0ZX)
M(<<\G1!"@Z..62HT@JJ<IBM 4VVR=&BXFI?F86+J.,; "K*DU\@,BX:03K,1
M/5O7HRR>D(2T,54NFZYF1"E YJ;.(.ME6TRZQ<B73CMB5SE3/36&SY%)$$GQ
M::X&S H/+7&.)*AJ4XK:'#D4Z[PN_0"*\2C&,;7"S4^*31'4P:. 9%I\HJ2H
M1%966Y)I3/+8U7545N0[DK_DZ.IX2YQJA0B* ZL5?K1]:(MA*5&*V=PY%L48
M8X6_L3Q=,>P_5J3,Z$=3E8G)"L_L'E35M&E9D1M#C)(D36AC.+(;I/A5@AW=
M)C>&8SL-/9-=V[N1 JT2A!=/]Q$G/</B?16 ^42NH\,Q"A$M$5SBQ?KH\PYI
MSH;H)\]N:TC2#:;;,+&IO@P(@9.4;(<).*&A/IH'L0^2.PG063WT'UT2VQ?/
M"F1B,J=9!5Z(N@@9E.^C%E/)I/MN.XU3#J% EB)KI<3!Y?723^%UQBARYW;:
M:RQ 7QKXDFU$R0*/:?[528"'[EKXFL02YP9 /I/X*2@L]/"Q[4?>!KC1/L2C
M%)5 B$B,_EF3LO PB9O>7J\,G >SWV0QY'$YQAC8)_ 5_T(G<9&^&LF=2&K,
M'6+W,6V7\@NJYS:U.VL,(FSF,V=N$*6QXE"9VP\0NWX"UCMX"=UEZ&E=>D00
MTVP)=M)+/QO@ 7@C>>OXV@D"$C&P"$B@MVG' S.B_)_OHM*YK \SZXYAVE+K
M24EZKY4VB.KX4/14P3RV[G%4DUQ)AXO?R0PI(/>D<J'<$B-9)DD?0?H6T2)>
MA+J:L; B35 Q/9'UM'HHIB+6>842(A*Z_9WO8CGR[,^VC8B*/A4C7J*41M6X
M?OGAYQEJ#+[\\,NL[#B,]/E*';&/^863.G%JI+&+I5QO6)_)*FPK\F<RU??T
MQ(:VQ(;0->V- \=2;2\=(BF%^-0!:\:=-PD7=3+[L@LE]CU']4A0ZLMOZ#4G
MS+D)9@<KHFC$>#?7PF%-> B?(W6M)M: PV1$X]MDK C!$>9H#).-%4!QS9@-
M!D=@@R5*WRY?*NT3"F@)]?"5"'R;HA61-\*,B6.MM *L0>35,89:$:XD3%\T
M*ZL5*+$)2]3D:T6<DL09%#$H*XTOF7O\FZ2=VI)2"8-Y/AVZ">HF& N=J*V]
M@.I7BZ&2L^27B@MKDC:)8]9V$BBALB9[#/TD#O57**&\/#!I,:P_*'T<S384
MD^PZ48&D5-#/[1NWX8P.(]-5HT))J8Q/1\GDR-1K)WF["Z*OT]9<HGA[H<D@
MO4B==4*!CQ(T)=1%>V9U-#G(R2BN1.U6.DL"H2L>W(#\O_=AE7BHT%'QJP2)
M#J#81[#[99R=%%ZWP'\G!*H)=M+IZ8>I.H[>?7C&KDZ?$^#5X%Q!6?_=3WUN
M09@> UW<&Z4"/"ON*1[7V>UB&J'E6;04$!IK('TQW<ZIM,/F#Q@X:W@@TM-S
M ,\_2J\"_Q4G?Z8L5F( ?5&9!9$]1:$+_WC>B-"KLA.?-^7&3]P@@L\[P-GG
MP<,JYOR?PR.\-]<[**6A:X96ZH;4S(SP3&3'AZ@%H,':MI$:_C_*I[0!=P.@
M3.KZ6"*%?PX ?FR$WNH0Q:G_%_YW"A!"74UCPX03U8\-LP;2& YX+/CH>O<0
MA?LMB \WX)6V-&ISDP1F]"A#K#&+T>-UE22 6L5,M+<YUR1\J3CA'GG!,1?&
M[V="4-T/K("4LHF^*Z+&EM:[ZOCBBPO5IX#W:I31*^0)=]>85R=R ?"2NS@Z
M(/4-TD/$P/.I(A>UO4''?^7FL,(3@-Z/Z'IQW1A2TH/OO/H!YKO"W$!H,--N
M+(+8,/AE:A '?'F#YPI=/.<TP\)<D-A7W^6+TOBM=Q!TS)/7K[G3R'UX^^&^
M06X-[J*XVHL'1)$EV=$B^8:,J/A14#-[5B9C<G4?HCY1O+<1[+-,G;Z.7YP
MK'?,>$N!C@8Q5#D*%.^O]56._A]!_0Y!ASP DE8:^VX*//0#)+#F/]1:YJKM
M[BK=(/-PG8'\G&V<%-S"ER[S#3_A)!0?;N2,=#CFDHT /Q;KHT_0@W=Z_A9M
MB&R5A :WXCD&!S\[)/P[I^=@BC>(R&+JKBCPZE_ON"J;/L.,;E:X*<R!V%)
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M@OT)WL:?HG<0HPL9Z#M<<)+?[J/W[]R3EY\K^(?S<8)_^=)9RU7DQ!ZR!<?
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M>WI_:Y "^$@!\E#[F[9"1X$3HC"Q9D!)D.\:I9'J^L_8(-J&^,?O?_@EMPQ
M<0\"B/SYX#1^8!1^[C..WG),G=FND*%DCT79J].YR;-SPNZV7YW8ZQSMUF8I
M&'A^H#2#Q>H7Y2="->?1/Z>O;EEQ4NNAUI3#C)M,6D**D.2IF%O[UTFGU4JF
MWIE8\_?I$2/L9?,W?<?U[-3".TD)[2@U7&#:YU/9^-H@.DL2^%5=37T# B=%
MJTG2Y"QC%!-/VBE\6[@,''2B^_O'[PGWKOSUS1IF?A?5&HO(";XFDOLP?_YB
M+8SJ.XKQI6G9:S-_7Y>]-GZ?WX[B__D-)&FES: 6>%/Y";U =5]$G56\ME=Q
M^W'T8]PX7P,+)27CSP^B^D;G7F5GQ:UJN)C?,K*Z._ZM8&MEU!>5BJ3'F1_G
M.3MXPG4>\O7\#M!6 F_U#F*XD<@>@H+H;OQWWP,A\\Q--05M0-\>CD%T B#/
M$0[(BWZ*<%P)R,]'LHU2[%%0_8Z$JZ<H_5^0;H ;[</<KXR(ZGC?6QZ$^?&$
M#^CBGU [VCTZ\23,T.Z2%77G3 "]E&A6Y+I7IVGKF.M'4559L2DD157#@Z1%
M[HL&Y5+MKPO%I:#=*!HVTAFSJ/2V&G4<I:+6T!VR8@=ZRC%,9:(510T,$V-8
MBLQ%[\>E7,DTMQ0Y!=S"@33KC!-5VV-DFC;016]4R4O%/MN187^\ Z'&A&%%
M"F+#=H%M);$BQ>Q(.R)O?+$DB:AA%W,ORX\=R0]'V:@1+4>6) 2<V;Y0S%%3
M9D(SV/V]=A>LW!0RF/0T2^?WH<J/<QC &3&>[]ZXWYR?RTNQK'66)JD3HJC.
MUD56Q:5<1R%>9.8$6Q ??E3M$#-@)O/S'>DN=A,% 61XZ,>12)?RL26 EQMU
MQ\>M^(YJ#]ZA/*D,T+Z'Y\(/$]_-A5,R)YSDDTL@JN;2QB>NUO<N/O,*?.9-
MHJ?."[%6Q!,QY-U4W%]T(DL'72_2\Q46?\N?<Z%7*CFV$?HG><F-Z:EOQ@1G
M>P:6%.)BX_W_Q63:HYK<B"0Q!@]6.(/9\N%:[E#-#+?/3,RE;@YIP8?S#O@H
M669%7R,Q!]*7ED"M34XW 5&V/V@N[?'X&H$D=+!7V6F8"[BI2J8O/\T7M'+O
M*]K 1I])Y"FA3\\6V%D\;.=,N?R7XZA<0/CS2P.8+D!.0=@#)S7;S:@M<%2R
M[GYG"9!I(-0!%#DGIQ,9^[X2E\8A5G KPH;&-72KC(@A7-5C[- Q3YR;.G%J
MPCY-:4<>:;?:SP,+=FW$L,B1SNN%V8UJ\QUI"]F2BD4';782B4I3ZR6$SRA!
M9;+078/<T1<GIGP9Z5SE_/,V]$S8M5F(*<(W[84-FB/"J/0CN.RKB0),+Q^%
M2VRU49(*T>%!Z1[]FN]1B*]U(^X\K9+*2%X65APK\X04#L^U8E<6(H](>]]<
M-M>HFXSD93-*#A&CWF]S?76+N1%9D0)&W:TV#3%8L2DSN=24>74MGU/.[T83
M=UB[)&::S9$<ZB1WV6JCSBC!S6Z,O%U+WB&-AU'VU$VPIP;G)BHA<G*(:@G2
M[$I11$H1!QGZ(TC?(B\*HOUIK$1%$E^>7RP9:7'5)3E&@"/_@Y<\';/.TT':
MX(V?_'$7 _2Z!9 _I1NX]"F.*?&[RX"T=77^%D%R\@-X1TZ%+7L"RP"YG71T
M*FR)WYT?I").!_C'&[B^"H=)LFKP9S%SD5]>7E)B-160)ZQP>3;(:BI#"5;L
MC<XS-:Y$=7'9FLGV<:2WBY5[)OM(%A OQCH#MZ^O,#J=[M]@+>1+=C@X\:DH
M'M3Y^9QHWBZEY$,[F;^J-\MY8,->?5(+U3?Y^Q 2.WB!%(=A?D ?0<C7BK"V
M5L#J8=HRFK4FQ192]-%'3JKKC[4I4-GX%_VS"?KG#;PQH##R!B6#&_ .@NB(
M)H;DK3!IE:ILK5BDI[9E?0(AO)$#.+>5=_!#'\&,RK^*+$RL[\REP\Z5RA?^
M+%%;"-QI=:PX=X<5D(U:])*Y'U; >ZD^KGL'A 3$.L!"UZH5T,VE(.ZRE;G2
M!"PH0$T'GAE:&[!'\-V'NR@^Y/M7!<G5_G&>VIE\;1MPC&)4(I?GYT5KKDWF
MSWU4U[OU$2!:#??%%&FJ"'I[?:_W%JC%::N1UF?(R*Y.UY%WN &)&_M'EK:H
MYVC&+!]-[#[TD-(?!=FC8P09TG.4X".WCC_%479<QY#W'_PT!>#).4 &!<]1
MXL,+XS;,#B!FJM-&^YXQ$++V? OG,02N?F.;<2'RN%W]+F0P%CM$. FL>G.P
M,22)8"$@*N2#8YB\EP)S3UXYAAFZ ZFAXF_M=9?_5F XTZB)N8O G>VHYE;;
M,_@FSG\4M/,(CV2:_>YBAE1<\/<:-O%=)ZBIM. ]]."[B"U6_#,A6E=Z#&",
M$%TC^8[=A,,3B%W-M/;UL?.IIK!G*/M&80B"0K?-)RE.#U,MD/ULC\KACJ,=
M2!(LH@A 36^M>%YWCHO=-"$.:R2FK-]!_ 8< 7(0[#E#8;7/U3[&\]0D:=]\
M6ZU): V0#K4:9$W"4-B0TD=@6CIX,G*5L#5U)"4<2MEEE!).S>$5VX*E*^/D
M3C%/*+7"@MSW['+EX%'0,^WT2A(<0RQ?N@)7#BG1A\+2=;0;^#\U/[&7[#4!
M?V;HDGS'OF"+\5*X#IPD6>]^=Y"/3[J.-RBPB*'HH[?7IAD@3HFIY&/UT*<D
M<[ PDD;N'\C>M-YMX>02^'KEJ2P%.BI6)[P -X-GW@?)<P;%2"<!JWT,,'^A
M:Q+XG?1!WSS>7)TDK;F^$ SPFMZ'4!3($)R0B8/5(<I":G %K;E&5?T[2%(L
M:<.O, T-G8:&3/H:WK![>!7^A5D],R)"H*.^LU!*"K=_9O!:1WZ@48CO//JF
ML/MH6TIK-DPF2FYK"D?B' I::Y.FS[["J.WU2171X1"%^%9EGN5N.[533N*T
M-EWXM_-4X5^^;)!G-G&"[5\GG=8C?)D>L@-U8LW?IT>,<)B:OYER=)BT1VZK
M=>J^YSOQJ2:2<M@6N?WX\BK*J0S_A+:[E^A*[Z\S#C>-_=<,21')H^.!;91/
M:1T_^ <_11$;<1J"^.I4;\JY6X:.:@0<W N(TE@Q'3Z!K]?.T4^= )%^Z:O)
ML+ZR.YC"HYA^3Z2FRH]W#(_FJGC.LXXQH9TI(/("XJG-M2W@.?;?H=S_',#W
M(Y5_<AJ;I30J'=//_/[:"0+DLEJT2XJ&4MHQB5&GE=&<#[:,UOA=M4<*>(TS
M>/-OOT;;MRA+G-#;?H5T<;KSWX'8?<OR6E$WNN)UE]^AS[W58A1>>27(*Z_4
M\$JJMQ3894C[S9T-I:41NMKR=*.XV.0^23+@W8<U%:R UI8[A&+@'QW"R8BR
M6$*;*SN$:C)^OBWO<08;(+0R09\ !>9UC'5F'D[6]@QBO/5\#0.UIW("@;M(
M9)Y"EWZ_,<R2!1I%/:H?JZN:5F"@WUBJ&6MQ"(OOD8B+WLX0(\:CDZ);^G1#
MSUW.Z&#((NII;O-C"T^LB\S!>[%%,0=03#55,;\&69#HAM)2XTLD<@'PDKLX
M.J#KTPG=/+5+R3>ICQ)>/T/HZ#H*WT&<HE"Y_(_(EP6#3N-#XOT-6>(&>"#/
MJHKG)7E.Z+VU+:_@\@W>?P/<&#C4: 5F%\6GO;R$-@!INFHEMJC("W<S02P_
M3V>]6W\-(<6_^<?5#G)3*=%<;!C#&%];OI+B?IW.&BW1< /RU] -O-DQB?F1
ME[^2GL!7_!/=)"W467E 'U'Z._IY;',^!]*Q$NNH7,K'"IXK$(*=[_I.4%$X
MFP<(]=,PUZO3;0#PB5SO_A4%'NU=TFLD,[PYN>YZ=5=AIF/<XF,CA-WISM6P
M^6YMBT>-XPE7)R^ZTYD565SH+FO-X"Z^CY@5< GYE=61HWAOV0$6V_VK$8!$
M=[6R BJFDU_C-NPZ="T:((IW&(*$X*%E!Q3M0]3!R++[O>L7PV M5I"*L"];
M R@!67/IE"7N#,^2MQEN>5:0G2(?OH:83O&#6SI!LOW_*B+D^.0M'266*U_C
MAK0C'85 +&&-?9'<#I>.$,]MD?4VL:C"@9SZB>=2:4=&! G=TV#WS3$0?0?Q
M:V0&IKS'7]/UTPKRZB&@JG12M0)C09FK[02[]/0X/"&+J_:S@GCD9:^V&_/B
MZ4C>ID7SL5YZVAL984+.F]N*(N<]+DMIIW(K@!1E_21KHA4 27%]@M?_A9')
M10J,DKK+.*KJQ;]D8QZL0%)8=F7;]VW$2EZ#P0\Z*7#\V28<J33'\(8; Z>Y
M70N,6* "GE\L@8?YXJ:8>2V#B,FL6*%9!4Y_OW D%?;;,=!<!M6Q8^D*W/YQ
MH4(FR#;"1+\;:1&/!4K_M!XEB0#+ K-?+YC)1W"6>NN%F\1[@\>(#2VA6[9I
M1 8Z=MQIB=>RE8K"-X!0%&R)V45YT3_0ML30*L5%CSNU&[M;(J?T(3IKY$0#
M@TODE#ZF#'+RD>9V@N'))6Z75X)$F'0)VN71,"A>NX1Q@G>$8'D9#RX@],M?
M&R!7U5N*?^W +%-RIC*@P/=!$@6^AU0<U3_"8[L^%B72$WT%O:LR0KP2&=V&
M^BL:,//4-AMIK"@,SQ4]K47U\Z290J&HXF4NO#!>0/P.GQ.4[.G$9CHFFJQ"
MKYA#0DS[S&X[ORE_@4S*R0*-R5H*YG2NP<E)9TQO?RGF/7PIGZCI5$DM]!$-
MNAOS G78=UJ,<MB=5.<I]D/X,#O3:6M2Y#;: $5VI/6NN"1ND722((WC@Y_0
MT&3UT$>^1M5Z'[R<.\>/L1/6ROMWEGLEG7T[*(MA]S&'S8NR]Y'2UY6*D^LH
MZ4!);Z<?OIQ_/40)%\!:2P,*G>6S*4VQE+E3FVM<0#Z#@AJ?X+.KQ)>Z!GH/
M?07-G#B$$TA*9\XK)_%=R@+(;;5-O0Y@3A5L9DYO;PSZ-WZ0I>?'/P?_LK6^
M'0 IE^LTV^A+G0J08A)XJW=( 7O0#,JH&6E8]"\WAFE++:BE,UNYQ5)'(2SW
MK.8BJA+/H55HJ5[Z?U!E9.#]Y]_2. /G?XP@V_Q(;P.L2H&/UKS(.4T36:GJ
M_##]SO,/E2+2"0**_I&J@"+Z(A<:'X8FL3<2WW>0V#G!F9T)+]7##_AO#HW'
M6I]%GS5'1B_7/Z G1A1^XS6T'.>P99:RJ8Q?9BA-9K+X0E^C=O65&LAL%/@4
MS]4F-0F?J;>9*11"NL$Z# V=STP7+:<8.L?I=Y0T)J__#8X<N]DK^*;B!QR^
M3\S*0^848RR\>^EKONJ8:JZ9(R#%^KB*LKF#(<P'!'5M8^#QHVG'@T%",U^_
MU.$@Z"KGOGRY:Y&L(QT#@Y^,/0)UE<?,5R[/#.EZVS&@^-DX(N  -G,0^M #
M0PT^!AJ_F$82% WZS-<N3PD,=?P86/S==#JH=/DS7WT/2FB:!<98_S],VWU)
M^\(8F/QS)IC0#1%BJ!1.MDTG6F-=;'%DP1MV14[R/"8WV'TYO7C<+M;CMKOG
MU EW&NI'F%5-AP8XL8\^LSJK@$O;J$YL.]^IZ_?;?2X#*1J%<8@K(#;57;0;
MSX4)/*&AOF.+TY;>28#.ZJ&?^]2Q%>$\G?9S)!_]AU;4+43(\6,BO+O5M\AP
M=]IIG'*5LD'BP/)Z:5O.V2"2;*.5Y_FYL/[L^-Y]6)9 003SZL#W"+JHX-L1
MQYMM +R[$C\%A:4QCQ/= #?:YU([-KA0\!C]L_J<[5%*A2P^X=W-Z99)&?3V
MII58QL#VK+#<ZJN1W(FDQMPA=A_3=LF(0M@*HJY2>*<"K]3(,3>(TEAQ;$&9
M.@5E8P!W]>SI20Y;:W:"G?32#\JA V4P;QWG15&ZQ, B(('>IAT/S(CR?[Z+
M2B>9/LRL.X9I2ZUGJ^^]5MH@J@/JXCPEC!/4/30:J<2ZAXO?R0PI(/<\<:'<
M$B-9)DD?0?H6T4($A+J:L;"<.,KIB:RGU4,Q%;'.*Y00T9O-W_FNDR>7*!GQ
M-B(J^%2,..^PCHOSO[&NL**+[BJQC5XX,PQ 2LLM4#-^)DB08@+40K&8  'A
MJN]DS<W,5T]77C9X DO9;#0"<LR!IH0F5 IH(#83"(2X0C\,YL$.%,1+"'+1
MF7O+"XH*?5TYC%VW\&5 ,$+,?.EB-P'7DF$R"F,<_RZ[G'ED@-C1']\$-',8
MA3D)P_8S\R@#B?<FWW T<RR$R8%C;)IYH,$@DNA8J68.AC!-T Q;,X\U8!.#
MJ/ULYF[V$B="Q.YFA=.]I)G."J=[67O>&*#\:@HHHN;!41XKQFGTQ>R*HV!A
MG,J":8H<!0)CGFY*K)VC0&3<FZ17))M1\4DW?H*PS&)P?7I%-0M<7&=SXR=_
M/#JAL\<8O* <'V!_6H7>I^@=Q"CU#5 2GP2_]^T^>O_./7FYY1G^X6QPAG_Y
M(CLM2BKG04,IL;2K7RHIU*G_.+H6>14YL8>B_F+@PL&3-:Y4MW]+MY#0KX*N
M>T[?4;0N$(D3?IH"L(Y?LE>W_-L&)/!1AU,)0:EKP-+[CF\H:7>X[@#R?E ;
MG3AHL;@"5Y* !.[&"OTW0='P'OS%WYW@'^'$<6/XQRW\M@.O5!E24/,A@V!"
MZ2/V:$^]N\!IQYST'$37\HKYP VY#W=1?$#1WB.S!M6?-)(RAIX0TDBZ%KJ)
M4)7#\R2EUD;OK'_?MF]^C N1GV[#/?RW'N>9/(3^I3U'"1;4DW5<G:ND?I3D
M.9?(B+H6?MZ&BD' RZ2X6HH7X?GV$5R[_*#F[WM?OB0\K#X(4A#[3A"<5KL=
M%+>1IGD#G 0^=%^#TX/_!PA.VZC=:@/V.%EDF(H?" 7?T4\G*"5.G&+CQ/D?
MA].)^+!SI1-)8%1]S"#Y\+RQ*GC,L _H/T@\SK@!QRA.MQ$6<=7?NMWA9Q?6
MH$*AAO2? [15)KM],O3" U575-"&O0"7!*:L1DB #@=I6Y:)K0(%E SP;?V-
MR5Z?&DZ_<I70DO!5QA!$-LHBX%1=Z+4-6"9ZVGCER'0Y@:?!6 R3H1]=$E)3
MTR!%.SM37^JQB$]6Y;LD^*:AR!ZZY9GZ=NNGT9%9IRX,IV*=*E3@,_7+'Y]V
M)53F2\)P'K0[,O@3Q%1,^)R7T>#/-"9#_U5&4/S/T!47O6V^G/UQ7[+#P8E/
MZ]V+OP^Q]!.F*]>-LA!54'F. M_U07(. \Q)#HM(-R@.+$CZ>NC2$F )3:BC
MEFEDO)(<0G4*+Z'/D]QJI;NK3<Z5Q&DM,1?\V]EFANIR;IQP#XA9+-N_3CJM
M1WAL#MF!.K'F[_JRSN'2GBLO9Q#L?+JDIOKRS5:T]X+R:D#>EWP^H@(CL.5/
MW_^#G7=6J._T5$Q(Z=[\S<R#I3]!>RW1 I0_GL#7&F>*X2V3A6Y><H:1-%]N
MC+D>6/U[=1\6,@5X\-^!=Q_"([A'@@P2]=/DZO3H_#N*<<80QF[)CF+J<L_3
M?'(.@%D9H<](=BY;/Y%#CH$>\:?G (E)H8<B X^(>WQ.P"X+'OP=+7^_2$^-
MNUJ\\N#[ \#7T1N<X UX!T&$I\CD1F)]IY71G ^VC-;X7;$\SA)"?O[^)^*D
M)#KJHY'#T?'C/([\(0KW^-3F9_5?($#Q]9\3&O&+];V4+I.2C1!\9V"OWYQX
M3\U53FFL+]MR418Q5W) DO\,+P)JVF5R8XW<$D5';YV/VP_GX(>Y 0>$3I B
MW47HM<H#4_FFW"C:]ZJJ!?Z2>V[RMJO;7M]9>7?\P,D]C%Z< -R U_0EU\I!
ML#_%49)\#F/@!/Y?P&,D )<?1U_5I3?TD+L/ZZ\=/W3](Q2P:!<-?E)0T](/
M&7%^,""-(_RS:BS*86<%R/WA4!A.;K'91"$HG:%GYWX^1(U\SDPBH\2=J1,O
M1?>$," H5F>Z2!%U3B/CH9BZTV@TF&G&B4K0<L\;Y#"3-9+RB(LN<AZ)PL7R
MQO?2S3:R41&/R$R 8663'P69)9%.3U5Q':)>>LB9(,>B+3W0S83XZ-?R4"%-
M2O]K,D;<+/!]?0H:M]UXN> G%.$&F#J:QTU(MS[3:!.>4-_4Q,]TD:)"O8S^
M?Z90J&*D@M8$DU$:E97VON]G&C&DBJZF*N"G"I))B$CR03+3$!]5)$0SK,TT
MH$05+#23W4QC%91=9++&P)F&%Z@F(X(U<::A LKXCKR1<J;%'50A-LC&.=,:
M$-JQJPRC<ZT?H1/!KB5UAC$]YW">.R@CX>H)C[BP1"Y$5M#>^2BE!EQKH3#)
MVWBKM.JV#C>(P:%2#%=.XB<#8WP&&\>KB>4SAM?W@^^\^@'FP.7\:Y.&#9XB
MR)/K:^C03,M*KO8;VOP(5"R#%)2D?GS]$,%7^OE\W,7@SPR$[HGA!2_2TX1E
M57_\EP]91^R^G1Z09E-L9:S.^A=7YVC=F3(]V^7&L&>I^MWW-_ A%OLH.OS:
M29 B'OT'J8G>H;P-9T[^5Z;[^Z AM0'Q&(7@].C$?X 4%19D+Y'26)\+&Q%2
M!M-A=+B0HBGQ8Q77N ^/69K@N^ 'YGI9/0PCSFJJ9]E9BE9)_?7O%$DVD;XN
MVCV7N2R#SE?]JJ[$9[&#QNJJ;6&?7ZJZAI6VC+D<1@?]NU/C93]*<[\?=2_C
M/GP'I:5)F.5Q.FDDK#PO*+8"1?$QBK%V'[U%5WMXM"'9"%.<_$A&D2(Y;%&D
MA][X. DJI+>?74C"J.JLN@I4H1+(9&<QKI%^-*48$6R6.LED&,6<@^742T2
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M6/O[^2DF*;MQ_(;H<BFL31)@1(N':VZ%0#T &1*#V=O\-JC^ZBR1F9]/CX+
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M%3SDQ#+R^AH\<TU":'BP(_10^83')(@;'F,<CD8EW3&3SZA>J8'DTB2&D5R
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MCDM&CGUUE&=/##OKTB5=2Z7+%\-/+^[%5%.F_P7;/4CRDX^?3PAL= [.[KV
M;!*^I'5Z%^["'.*;TCPFZ=6A":IY6TZ=%04YM ^0!'CD<_B%O%?]U.C1]].0
M)]+)#YYZP.BW)*4G?%$JE:K;((";K[ASIX&ZDF%*@'%I_C:]7<VM Q:S7F"U
M7)E+G3RG!7U_-N_)YC4I,B\.-N_T7!Q6X1LQX_HJM_MXLX^,=_4[\K5W("9A
M-5>&K.9J'%8C#?<@VP*,U]K52"!1&-Q:9=]XIOQMW+"C&9C>M%.,3/A[3W S
MDB*U,,G93C'V,7ZXJ9Y!!1L00&'0:JG8MDZ9Y8;747@@*=MZO9XK'3GZ :&[
M*&2>1H_^L#EPR0)500NZ6/_8V;Q^JF4%8X?--39CK=M5L=\3'2XY'!)3^KV7
MPRM]@,;81L;TU@ D2-S&.:$L/7^D:^+75EMDW6*"D4]-W4^S=2Q$YT8".:,F
MHNT$*U%*=..0G*,E5,E(\_ Y(OP_(0Z#$5W&A\S'(T'QD02$E[=AZ[*\)_+1
MLZ%7<OD6[[\F/G13E.&D'#+R;:\>(=[+<%WD64X?:5[@24QYXV$8Q/)F!]SU
M>TQ/_&NX7VPI-[42S<VF0<;XNO*5%??K#<;6GX-K25_(._LD=XP:#1X]<4<H
M_2F;T5@,'%W*9P:>*Q*3;>B'7E2?<#4/,!HWPUJO#C<183=RO?U[$@4RO630
M3.ZF:&@"Y%II&<)8--0AXD9Y%]I0M281E$%AJ&EA$ MM'"EV+'FMC]ARG2@6
M-T0>[X6:"(;92;)0L':FC3[VRGU:& 5CM:H=BD.>+H 2ZH HU?/1\/VBIH.>
M12@#VEJ/1S]XR5'4/UJ!N-0*Q/Z9ZT=F**ZR$R0P9F?*4*D6%0S$)=0D,4E^
M,@VE5DF$BJ NU/0Q.C(CA7>UQ$A)B!1J8ND/DSKRJSY FF@LS$0PSVM7I'6=
MJ5?)&3?>()&JP3Y$T6ZN)QE;*=:Z$#K7B6&A4)\<B.<HK2ZGY],T0L:8 8*.
M4\_P5>V&%F+&>K1G5&NEP$R%21[6;FRGXU4J!EBL97&EKE/"QI%C%:#J.&$&
MO"[6$;"8230Z,Q4Y C 38&P^*@@N=KS$C95$;A*I[#@]!K$,VYAHS#0:7P!3
M.\Q<;V1YJD:K#R?'3*'13XLB(,/U-IP&)T41I(\9^TF4-HDOQO4FHH-#2MIY
M#YC),/IQ.-G/XGK;T\&'1IUGXGIW4E..*DM@F0+_/^/"WR(39A*#F!/1>LHL
MFDG(@M3G8IQY,PE1D)K,U/DZDU "F0' /"]H$FH@5>?LDXHFH0XR%<8V VD2
MFB 5Z$T3ER:A"3)YU28M:A)Z8!14S1*O)B$',KGUI-RN$2NL^U[D%U'5$V#"
M$NNUF91*H%D2A0$H:U=>!'SSZ9607%1)O;$ZX>8*]BYK;AY=RQ_JG<N*':_<
M_@/5J'?BK5MD&<F%O(U_619IRMCZ,=+LG<"EIB?L]S_]9'!<SXX28\JO[.1D
MW$0M?L[(EE#< @;.?!XN(7D7>L_0G #BZ^+ #.7&&$=1U6#EX&'MW#*!_=S+
MH'4-_ MV]HW*J.!JR9?TB3U0B</EDZM >^'[D&R7/7@',")":Q;?3ZF<=0G;
M+1&O]R3-#U229FV<8+-9IZ(OY(CA)_P8FK&BAIVJ?8 =P' (ZP5\0^:%AC%4
M(H#V1"3VFZS8+=1%6*[I"?8 LSLPI53 AR])['>NJ@.X:CGSTVN2YAN2[HXA
M!N+-Q(B=&1>6;&B7\3JSFWH<F<*ZWG[-"!O1#&#"CJ(9)]J F;-(#PR:L^$V
M!VY@^@/VHVO,?T50[NRLE!4QI?HSF%H>B4^H<,C\K0+$,&)EQH*N2S6-MV[K
M<A[L.,K9SN<D"=Y#*.5RC/?"?@[-[MJQ>=R#%])]*Q, 74)4(^>TSZ1 O/F#
M$\=2]?"#E4ML 7)K^Q0X@IDR6V^7="/#7(4E1A05\@QLW6V<>_$+^+\Y8%.)
M_"/^#31C-(_0D#(FP8V7QE1^RQ:^7^P*UMCVFMF7G<+9\- F\0OH'.#8[YY9
M!Y#4'-ORL/89ZB_6J)VG<F$;GTYEPO+CS(OK'";A&BN8>2M "B^\J-IC&W#&
MFIP"%X)PU2+(V99MJC]U<- .PX"0?NTHEJF^DP+ ^2KFF[D?A'B8C9V//=JX
M&,3,TV*&.2L'*QP+$G:E&(*AKX;RU'7!9EVPU.@O7;MLQ&QH&%CUA<CHQ\TG
M;@A-]V*!0P2*;2_4;$HS" DR/<N[ 2[=,;.A(K>J"[&0@H]<2[MG&FZM1@@R
M8Y,(H:%72#\Q[&Q+/]IRA:NM/\\GZLA,LF*Q1@*-Y&AH'QXI^'R<3F!.%;.W
M/N",^HK(/BK16 2@\U);: &5TUP$/AL")H9-(2H& ^<[3B++I?@T"2 Q7%V]
MQ"N$[4<H=V*0<84HUW^D%[J4MNA7#+'*E*9))?YQWG[S;4_B3)AB?!37.6B5
M..M2M"!E0GSQ=TFFCEUI@KF#7[W\<A^%.#Z2C-!)P9)T3=Y(E#!+1+WS FQ1
MHZK>T$>*85Q(XK,QXF5T)WF9QS#V8O^XV:+H,9P!1]IKJ""".Q%R5MQUY84I
MTU@7P;\+SF:/I6[<"24SO)4"/B7"T.6-;68$5]F=RR1K;.8?G-E,U6ORF<04
M*@)3?; +8R@N0L>\]2ZL U$NEN(0%W]*D.984?R T0Z?1P#7HMD1PN7PLZ$@
MET6%&$C!Y]L#T0O8I7L+9GZCLG;!(LCYE]UE7K)%UW S6BF4@KG$0*$:,R,J
ME=@M677Y>63S?%\D[MOG>S"S$4DC\PDIIQXS,CG%XDN?I$*X^9P'.HE$[%/0
MC)KQK5,(&I+G3C["8=L9A+VLHN0=A^F,Y+">AS1Y"P/HKO$U _](_9HL?'IX
MI/'NG>??'0.3!.V:IZK1?B1[[U#N9M,F+:( 6NT/\.]$8-%'.$]#GY[7,D*K
M_8<&)*_70O>>U<:J:F31_X^*@#U)O \%%".\V6Z)+PQ9MCE[SA\MPQMU3?8I
M\4/V(_2_(\(63IGY+DGSLCJU4\:CDRZ:L+14RLMQ=;+UL.?52@C!53H](4I^
MLTD6/L4[)=)(/'>LIV@9D'!/G+]RA@RHR6C6V_J>,ED8E+,PXZ&M+J7)#F-"
M92,93355.O=ZNZ9'+*VHY$P.ZL@LJ1LIX8ZU'RTG$IY0Y^^=*2?R*2G98ELL
MJ>9 =%,>4K(+BUTF*K2!WBTQGFATUXRR<B93=63VHZRZXNIAT%P5WDHWB9E)
M0>9&_^-%G@.&^K%N-73/4.R_HS0PV?Z&+,(+SJZ25&Q-%R;-.D0-4\Y8VV9J
MHO2=UK\XRA L:<#.PK[LA=#3F?^/HT0P%"#,8E'^Y*P<9<(AV3@O!*9P^_!X
MS23S\L&D,RSBXQ^RL&5;^M-EGXW/7AB#T7H=4WERGW#DU]N.YO+?#MAQ3Z.#
M,FVJ*7AWI8H_N_F&&)*%%6J_HA0)H(L=1;QC>+UX.W1?GV4Q[,?H]<Y-^83>
MW'B"B-4GAJRTVJ=+5C3Z9*@2JA@YZOS15C^/"V82@CLB3JAMM2+XK@AB4@CA
M:-&R-ZZ?+<K-DBK]$#C3"3Y"^0;OAT(W,ML/T00SAI[)@@R$*$G!9ZT0<WZK
MNJ#4S!D7,6,FM$G<@)!$1D/GK%*C#0$0HF4P$!L#4RCT9@Q,-,%\.V<1LR#>
M0?,)YBN@8.PN%Z)H/'SDB-A!;NT6!H.GP7,>^PYKLV/8&S=GI;)!+E+Q61PV
M&8J7X:[M =4^"&UX/$?2HOZ4V=B1^8;4U]CG#3+0D5>D=P'VEZ8=,_(:;5QT
M_=5:C)[]((M];LKS*QPR.R(2QYD2$_&8C[0<Z;6P]DT)+H?M'/.E\Z@]3L+M
M4(^9/R?1V&DDQ,YZFAG+0HK=04*T), S)EX9NG*$V)B.'IDW&+A<^LQ /VCR
M5<H\(B:+E8S%='!D_@W3HR,9CPA%,X^%(;Y&D^%-9035+TJR(F7V_@>2,M;V
MY+^2H(BXHK\O\E)/I!PO])G-(BIR$E#-OSFH916XAFIT$9;\QZ-'8_%&EP4;
MM4D:JRV+V9=X2:*W-6F02'U]PU'GPA<S?]_&M=0H"*^RC0N8P=EE@[O*(68T
M#PZ4)_7OR<1]U6D12/8*<!=8IJ)D^Q/<SO2PWJZ*G$+>AW&X*W:+."Z\B+V,
ME4;YE:XK;3^:6<D\?\; />\(%?Z(Y%6OD+@NA(6'E&,IXJ79D00WWWP*2O6!
MPJV6SJ<01QM(@C12PA;G;H%7T^$X$92?6GMLI7,AT?IUPK^!J(^,=3_2?_RK
MQ;^/%I<E2:& <FG,]J)CD0^/W;F,*<7+ID:,2,B55QGO-5I[2,G>"X/2XM)M
M).< U[7 M=*WF<FYV0@1>RT!,QS+K;R-Z6D&R[I+F:-J#)E\R$!.*,OX4>!?
MO6@))Y O7CQ@7B3Z5UR^_A[LG/T#.S=7XM#N@(VLL)4WK*^:\0\7^I)704:=
M]F:(GG.3QFV=5'$Q_.?4L;)=.DRZ3\1V&_J$:=]@J"3I!6(NV?-6@P]]?*=E
M.2'7B-0['D<5C"HG8*&[W>W3Y(V7Z&L?#JRJ]L6T;S3;-5-4^*"Q7T(=(Q&\
MD9HA<\8,CL09A!LSVO0SFGCD/$%BQY$.P"LC#16/!/VP$(E&=-WTXUWX!M$_
MTCY?K2(!\A%R(0'CXS<JZHU;K*L\B<BK9T:";LB;>A!&9%3,2#L,(T+2XV:+
MHFRBR^/#W'4HB));QUVB7"I_%B#_A>[-YIU$;^0^B?/7[Y5[]PGS/\1+-^^)
M,R;NL]"#,C:Q5?Q[I<@J*<0F]8\G_MPOH@EOLWX=#29UA!@U/QN!!M5<+J'.
M6==8R+/9'$*?\ZF1L&>3X1403W)F2 .0JRY1B&1#DV!IA;N[,]S!T(73"0#
M5TE,4<NZ^#M0N'X<_!_29$NRC*&U(GU".!#],) 0S.Y<0O[J^5YI;FUF(76)
MX4 WRQ-/1=5$2L(6L%<H&^$HB'.%G_(B:!;?^@6IFVL  ?H>">,9L*!IA1&&
MQ8M>'MG:!;!S+UWZ:*APD T:V?EHR-'[+DBS@;,W!#0Z\A+@:4BMX9A22JO'
MN:1B:#-7F,^31<HATB#J1>E3*C@4?MV@6^2 )P%DO 8=J+CW%!NZ9[Q20RO6
MWJCB<Y54<0(MSNB5;^ZMR G/OB-)D%"L50 X76F-82=&4F/#<C(D6W$\Y ;;
M40/CY==G2S+$P-0U:4<&67,.FH(F2ZQLC#7RE2*ES^F'XEC Q"43V3G.A<I5
M_+V31>HQOB#"L#??=.!B2_6RGNOXCTB%R-%36%$L7Y.;I1Z$,Y/ZXE/%E>_P
M20CC\>@;O+PV)[8Q#OV>JL,3;&=Q UU%2(+]/"/KPP.?L[XN/&PBO*IDQ_3'
MJ_]LO&\D>R0^O7 4+X_'&FR2W(OJ[ZSR?,82.]!HBKP'0_AVQ (Z,W"EN*";
M5>Y:$@OM8N+1;2HL\A6A @X/M"CHX3NT@)V)-IV>4E7UIBJIF@+Q(!PHY<0Q
MC:+DO567P %%8WK"L1">11S<4>X6-:ZC2UK']%2BL@#E@ 4%>XY(&<LDKKO:
M,O0[$.XPC';L;3(A7*\^'_8 B(GI 0TJZL<\R3)ZED(^WPF1$8X0R>;"T3_R
M9@E9Y>04=Q&^* (9GR+X(\F+--XDM6#D4H/AB<DC;4V/O8GLQ'2Y]]+?-@G\
MLUE\ZD-X9/5EZC_%+[=T+5!)V&]9ZRU3F,ZC,=L3IZ,J6TR #$E+5<D">[N9
M49/%2B\:3"*;7T%-+KDV-)@VTBE1$\)6X1E,'LL?&ME.9Z?"],US5N-G6+M*
MW1B&C6)&U =:I% ,/K2"R6;87+$6,&Q;A7/-@)-)I[=!\\R 2UO<'H9':P[4
M%TPM1 ^^:LII7?1S]&0DD V.,8R(_!N-E6IB?'LX-:L;_^2 O:9"H-XG<X0;
MD.T2P0Z$M8GWS6!_G:MG*</  %?Z']7?RL<$'OWTC615:I<79:*F34Y2Q_#@
MBR^*.XZUP2??S)^(GM&-<@^:VAF]"U<D)ELJ$QLXQEP\(>:4:BE(2ZK^';9)
M^NZE@5->U=.."M>/Q,@[X!8] 7E];6/[<%67\/^<),%[&$44]7['>W=\G"=0
MX#9FO=^S3-9TN^_)1.EY.84%MD1A>Y?D>?1:M=S3T58EP!@6KRM()@2=?>$J
M94N"@'#([(@(M4"+,]3K;S'S05+5>Y4 XUG\8'7-#-VAT^,AD+'G#[4W;QKU
M9.@9L/\I/(13:2MF]%#,@ =-F4YBO.6BT7C0L^V;8#$!'B25JH7A<Z68 @^B
M6@W"#%G=-'@0-A2:FL#&SI_R*_SCF?)B_N>__DC7\Q=OOP_C;0)_*O\0QPGO
M,,_^!G\B$2LW\5]A4/KM'DB:)7%,HD?"*K]7M2WOR>X9D(B]'26<#HJ3-\C3
M'^"_LK\$R<X+8W!O;>C__^Z_LN(YR\.\@+50&:O8_^UW0.[P+Z6^QOZ;WM@P
M"39\JJ+R[,?T?$/5HK_]+D\AH=&C,Z6>GY?__Z,<M>%N9X[T\/%=<NRYBV]B
M>FRIL*8DR)/_2H(B(NOM(^BOZ^W7K*KN&@?=^B,;UHR=?,NOZ*WYK:+)25-T
MR9)7G^8F3!75\DC@V*Z+/*/,-* R0.F;]5Y(10 CT/'W/XSA=_*3L*1LQ$^B
M^,%+?UMZ^S#WHE5!-^UNV;[K6C"4EWV9Q%D8E.&=4' '+F3):Y]R>L;^GD3T
M<U9A:0[/T>6KWB4QR;WT<)8#6PY^]B+03O[V.Y_);!HBL!EJSG7-HD5KC$4?
MF^@%]"]SWT78A0)"%\J;UGF()%]1GLDUI71*60,K]59AT/DCFM,5D&?UX;H*
MJ?2USQ<O*6%?VALC^XIR8U9ARJHAPE_I>TZ@X'F%B/C;R-MDS,ZM=^F1!&3'
M;-'K[=-KDN8;DNYNXS>2Y649+XZF'LZ=DWEJ\*BYN*>:!:G0M^0]G2A>56#[
M^CVF#]MKN*]?!A4(3EF&/=&W65:0X+I(N?A%?P",>K!ED9=EX3;DM5O7VTIH
MVR1@"(":-:4T>^(L:*Z(7C3@F-U\H[L79C#U*DUVFU<F!*RW0 -N/*WU/2/H
MEO!0KG[N U^NFJZ3"@NKIK# 39@U"S0 ;.*7L;_-C5V7 S5->!5B:A@L3YF!
M.%MRHY47INQ.'N]@S;I4(&BNI_8%NPM]L*?4TM.BG/"HD\F^MTYHGI9!Q3/*
M5@.KQ91X#AOLT)'>IV'^&<XG,!R*(HA=]6$6?SS[%FN9T+WW#>JALJ7RJK:;
MY(I4TO("0MK9MTKEK!"T'X=E9[4W>/-.__? __E(]D7JOWJ-"]M6E@R!4>I.
MM3N8<:2RI'R%F.0CEEW4W\]A:3WF"D1_+%*UH2<2]>PPXL\HS^QM'.;0X8O^
MMI^&3.MMHZ, 0(E01?6') K] _]GSU:O 4)KC7^B$Y)L42Y_$0?\#U="@Z A
M,,I=;*]=A1=J-*"..J2&U[KT*DEEKM[*%&T^PATAGBO-%)5[RO93RDZX<I*M
MM[4(2S]^I9.QQH/T?:A":]IJ][ 9,*KBZ^V62@)E[YR"HE3'8911>;5)7 V&
M17[0'H'RNM:[U;[3LJ\H;W7Y)!Z;)*P(Z3R7G6]8=DDOY:UY@\_V[G3^B')3
MGAYN%F*!3/0%)PK ]7MAA#__].D7;E6EPC.%IU(TQ&Y]ZB Y:"Q.,FAE&B=$
MF"\%+&Z]+37[\F%GEM*E%X-NGWE']= 4>E2SZQCNAA[#:UN2I9_1(5)2GHL-
MT/6X]O3T0UW,8)'JKR+ST@(,X%KA=,A(+$^?5D#Y0M[+H)ZFKMMY2S1 *!G1
M$@B0/J1T5^(R<+W:K-N8+X>LMU3]];+*NMA&^H0)D!(D>[TFK-WYT5O2^AN6
M0ZN7U^YA%S;OR>8U*3(O#KCE= 4/?1J^45V)OO>^P,YJ/P[E5A[9[7J[>'E)
MR0M486-L"GR7B4](P%D4"5A#LJ,CH:%9#I\"*8M_*.WF="]] E$L]'VM\15^
M$R#"OLP=S,#DO15E*V]4L8<8_G8HHD@ZU$.C/,I5.\1FN 6T1NSX.[5@Z-R>
MU1V"0(DJ/F*];1BZP"F_%48$#AKJCEFL[J7X%+[$+)PFSLLFW+"W8):FY_DN
MC-DUK*EB/0S=D7@B/CV^$ A?<2/(1/KF,YN>Q#-H-P;E%6\^->P!J<[W/\/\
MM6I%_27)*5;TK[RG9G00/50VHY&^40WA8U')'_1O#SK_L-THE.=@$5"I+H2:
M"'*_FQH&)5H]<9+^X3H$AO/,%J+?4K-A*)%?O'DA&_H#?8U_>/(BEBG.XH=_
MZ 00\U#!ZL@VPUQ.G 2CHZ.*?H=,J(7_GR+,0H%>K8-"N>5\?R2OE? ;2C1*
M8U89(\CM<V#CX?Y'IO+4B'0,8(9CW%&GFV\L3P1?>3YO;,E21OG;NDPBR/5,
MO2C\7Q+PJJVPCJ.((GJS3YL/Z2M>)O26?B+^/UBV6RM_'X7F)TA5A%3_KWO(
M]()$YI_^T'F0S8!17O$GREO9^B3BD\$K?=(4*(G2C1P^EO'MQ0L9@7:11!,U
M]$A@:_R<! *'Q1T8ZRE$$5%-^ACW7WK8-DEIZ>]&M1V3I::8&RFSZYI&Z?G7
MY60:#T!Y12IC$Y5&;Q\>KX_B&:O1M8B[\EK72&4^#HW11B\C&-1+JM]_,U@L
M#Z:!?-2RIUZ';V% X@"">8^2SDT4[L(8:F$T<ZR'C&SI,P@2L,T,;YMFV+?5
MD %VNB#_R^L!V&/QS,@S7<Q37=F^A5__[XB1:(@N-U"C@Y"8U>K(*@NRU#"A
M!D?)N_MY7W5TW3&!DW*F3N*G]3"'.+? A&QL:W9"I&5!H5JG286E*32:'=8J
M=/=T"R#\]SZ,P3S!->GR--]1!86^/CT5W6X,EJ=:2PIYL;YC9CZ\LMFG8Y2G
M^8BS>Y1&"=^Z.MQ$D(<$*>N\B(U-0)=H-%I%)=F2+&/N TG9,@4$2M96YL^)
MP\R>\B)H7&DS6"Q76?]N_<.+"[JXX<:;$R9 >1B8^Y-;#YK":._/6+98RZV7
MKUX:)3EEKF]T:M*)OQ-_1+DSUV3OI<Q#M=Z"\@M6,WA#VACIH%"BMDQB>CE*
MGAD=KL.4@-WKGMY>WXLJ9D,9ZTOJ[3KL=MA8E&2H%81[XH$%%+Y"!,+7.'F&
M"MDPZVV\+Z 08#._]Q&D*) 4KKPLS 1*!2\F(]5'IOXY-%*N2=#GH1^ZF12I
M1JNQ'H;R_%4AQN#R!F-1*94V;IKX,S9CT@.3+^.7MENP7UQ6#H-R>^@A X>8
M+OI8"802,7&1]P682%X8Z-7A"%(69&&/6ID]5\<6W\:@,&6AS]A:-[YS\I\Y
MN^IF),P):KZHR[U@B6\1*QEL1VYC'I[;\)7I03'B6!MY@;G2W2"Q?^B>6S4,
MND.WR#>OA-MZ*FMN*7UUO/Y:.)3,JEE&1QM1:0"*$LF&[Z$7(RW^AN\85MRZ
MM,'094<%,+P5@?!FJID_%VG&!E56FOID#AF*1LC55XT2=>)H&R)KRZ49+#Z;
MY1)4D=K/LDZ9=^FX[O;K80B,\?UH>!-X7&05Y@KQ 9WZFF:P6 P[!CZG1O2V
MS-ND D')>;_&>R\,A"D[PD_NL)V:J[;2Y'H\M_,5RW'4HD<?B10J1UX3_N_;
M6&)*-0!$LZD&M>O*-*'VO>O^%>556P$8,QLN@G\766DT%7AS#0!;+R"*FKT\
MGJ)LG;-I>2+6VZKC4ZD]F8#B>^--2A]V2_?:C4'J@UQZL>?[21I\)C%86'O=
M5!0 *&_BT1.LC*K0@B'=KX9]G=G3&VOF^B][ZSIV/*LQ*'?U2Q(_%A'Y]-/5
M+Y\6:7J?!"R^:15Y+Q662I FQWE.DHAXLXO;S:035<'SEFQ-)3;*0@%L\>*!
M +(J<HAO][YQ#PLP(E%6R\@_@/1RW"7TE/_J9=!W+GW(R5W>\6@J % >>X.@
M ??" F3EAV6EA1'(KOK2F2E91F'<=!-#!,MA_1R%+^Q'^_6'30>@W,16Z<2N
M%UWP"2427:[8*)G4MOZW35>KDF]N$LXM!2RR;12:_G<PVI-DQ0Y__DE0[-"L
M3J)R*,XCEL209B/C>=+/#K&^9O(L7'T6/[..>W'+8"C4R.+V,R"51,H*F%85
MD?30*$\XSR([<.V"BI0[[@KO.!YU4.A\/E6ISU^3G$!?CU9U+LG')A)AG),7
MDI[#OJB/Q_W5XW%498GJBJ$N"WK$&H4CS8"QF%'U!L6^>;3*]/O<2IF1FU-E
M\.ZP9YW:[)3.S!GETHJMZJ%QLE5Z]1*>=TN?/%XOOQ03O.@I]W(&O_3*>*(N
MNQTX&AT;AI"BNZ0K'W;_BG('OWAQLOE6%B605:#1 *%$;$'_-R@3Y:&R0'F:
M,J.@PH&#41*B"O6DJ+"B*FO*9UZ)%XB3>4RA4:)Z39YS*".<%DRQCY(D?6S$
M\TH_(Y7/5^0Y[>3:'&OKFM4P[.[NB#.B/ 'W7EQL*22K:%JO&8+\G_;$S],D
M?OQ_W?AA\Q$H46X4R."EAC,>O@7E,1I.E?6VU>>QD>)VP@1H)$R3A&W6ZLE*
M*M-#HSP1[<Z>/.7V 'T\^^FY/8#FCK[ G^9F@D_^*PD*,*G4JZ9LJ;9%M9N7
MWGMPC_,#JQ_1*[TTRE3='4=3FJE2]]L'E=?3JPHF'8V]9L M21M%E$?+7YC$
MUV%4@(GUOF0^+ (^>R2\/M F>?"$-6]-1R(5#$R".L!IODFXZ]PF&*0]#BD!
MRHB5*BJB%34H_H;FI=+G[Y8>MV9>1UPV>ST:W[M)H7:#9GVV_OHCX)U19KSS
M_N__!U!+ P04    " "F@)Y:O"]7 9H$   +(@  #P   '!S='8M97@S,5\S
M+FAT;>U:VW+;-A!]SU>@SC33SI@2)5]:DXIGG,09>SII/(X?\@H1*W%K$.
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M=BTR,#(T,3(S,2YH=&U02P$"% ,4    " "F@)Y:9^(8T7ZD 0!@XQ< $0
M            @ $+I0  <'-T=BTR,#(T,3(S,2YX<V102P$"% ,4    " "F
M@)Y:O"]7 9H$   +(@  #P              @ &X20( <'-T=BUE>#,Q7S,N
M:'1M4$L! A0#%     @ IH">6BRMD1^"!   ZB$   \              ( !
I?TX" '!S='8M97@S,5\T+FAT;5!+!08     !  $ /@    N4P(    !

end
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>16
<FILENAME>pstv-20241231_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2024"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="pstv-20241231.xsd" xlink:type="simple"/>
    <context id="C_2856915d-64bf-4068-8513-a969204af7d5">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001095981</identifier>
        </entity>
        <period>
            <instant>2024-06-28</instant>
        </period>
    </context>
    <context id="C_7585d102-bbaf-4d81-928b-c199946f831a">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001095981</identifier>
        </entity>
        <period>
            <startDate>2024-01-01</startDate>
            <endDate>2024-12-31</endDate>
        </period>
    </context>
    <unit id="U_USD">
        <measure>iso4217:USD</measure>
    </unit>
    <dei:EntityCentralIndexKey
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_3cf70a04-07ab-4601-bfe4-bc38c34bcc82">0001095981</dei:EntityCentralIndexKey>
    <dei:DocumentFiscalPeriodFocus
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_2b7cbe92-3865-441d-8bd9-1ae309d15c0a">FY</dei:DocumentFiscalPeriodFocus>
    <dei:CurrentFiscalYearEndDate
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_8c43d3d3-ab00-4bbd-aefe-9f0c5559bb28">--12-31</dei:CurrentFiscalYearEndDate>
    <dei:AmendmentFlag
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_33614644-4151-4ec3-bbfb-a8fea7812b89">false</dei:AmendmentFlag>
    <dei:DocumentType
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_cb929128-b362-499a-a5bd-5602887cb704">10-K/A</dei:DocumentType>
    <dei:DocumentAnnualReport
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_3e15377f-2f16-4ca3-8812-a6bcedae46d4">true</dei:DocumentAnnualReport>
    <dei:DocumentPeriodEndDate
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_216612b0-abc8-4123-9656-415b2f93cef8">2024-12-31</dei:DocumentPeriodEndDate>
    <dei:DocumentFiscalYearFocus
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_e9eef5a1-208e-46ce-9764-d6931d1f18c8">2024</dei:DocumentFiscalYearFocus>
    <dei:DocumentTransitionReport
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_b4dad43e-6658-4367-8813-6409d936bf93">false</dei:DocumentTransitionReport>
    <dei:EntityFileNumber
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_a797ada5-8b9e-4a15-81a4-558b65007fb3">001-34375</dei:EntityFileNumber>
    <dei:EntityRegistrantName
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_48f08f76-cec1-42b1-867c-680ce559a317">PLUS THERAPEUTICS, INC.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_d0c6ac9c-72fa-46a9-8427-e9aef67af4aa">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityTaxIdentificationNumber
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_b9be2f65-f219-409d-9ade-5f9089a31af6">33-0827593</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_33fb4d78-7c97-4b35-aea3-1884bf9cfb32">2710 REED ROAD</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_37da00b5-9351-4de4-9d47-5dd5eefea61f">SUITE 160</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_75618503-8881-4c39-a52a-02133d6d37a9">HOUSTON</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_52ff0e46-9eeb-4f4e-bd63-c56dc18c4828">TX</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_9a611f87-da4f-4ab9-ae89-fc7b95d2a620">77051</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_2c24a4b9-113b-46f2-b998-be6df627d9a8">737</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_fb7a9d88-ba08-4852-913e-3883172d09ec">255-7194</dei:LocalPhoneNumber>
    <dei:Security12bTitle
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_4ff224f4-f52b-43bb-954c-e7c2fee28e18">Common Stock, par value $0.001 per share</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_d3b06890-fe21-4a2c-87a4-be255c747b75">PSTV</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_0b4e7c64-35fc-42c0-bde5-17b366d83d37">NASDAQ</dei:SecurityExchangeName>
    <dei:EntityWellKnownSeasonedIssuer
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_61bbbe89-17a5-48d7-8a3a-e11120f7295b">No</dei:EntityWellKnownSeasonedIssuer>
    <dei:EntityVoluntaryFilers
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_52d74f68-3517-4c86-b56c-dc48dd91f6cb">No</dei:EntityVoluntaryFilers>
    <dei:EntityInteractiveDataCurrent
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_0db08a6a-4f28-4804-adae-c95c844c922b">Yes</dei:EntityInteractiveDataCurrent>
    <dei:EntityCurrentReportingStatus
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_3879c764-fd3c-4629-8575-c653ebdebbd4">Yes</dei:EntityCurrentReportingStatus>
    <dei:EntityFilerCategory
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_1ec86258-e896-4b86-b6f6-f2509873a462">Non-accelerated Filer</dei:EntityFilerCategory>
    <dei:EntitySmallBusiness
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_b61f973a-a935-4487-acc3-077a14b805f4">true</dei:EntitySmallBusiness>
    <dei:EntityEmergingGrowthCompany
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_a2f2461a-042e-4b37-8141-32cbc4845397">false</dei:EntityEmergingGrowthCompany>
    <dei:IcfrAuditorAttestationFlag
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_477408b7-e5bc-4de4-88be-2f0fbf2985cc">false</dei:IcfrAuditorAttestationFlag>
    <dei:DocumentFinStmtErrorCorrectionFlag
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_11d856db-ea31-42ad-acea-bfc183b45819">false</dei:DocumentFinStmtErrorCorrectionFlag>
    <dei:EntityShellCompany
      contextRef="C_7585d102-bbaf-4d81-928b-c199946f831a"
      id="F_a8f92194-2191-4b87-9f77-67486828e4de">false</dei:EntityShellCompany>
    <dei:EntityPublicFloat
      contextRef="C_2856915d-64bf-4068-8513-a969204af7d5"
      decimals="-5"
      id="F_9b4a3acf-9536-4050-b218-ec18eae3fc03"
      unitRef="U_USD">8200000</dei:EntityPublicFloat>
</xbrl>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
