    <SEC-DOCUMENT>0000950170-25-060299-index.html : 20250429
    <SEC-HEADER>0000950170-25-060299.hdr.sgml : 20250429
    <ACCEPTANCE-DATETIME>20250429170024
    ACCESSION NUMBER:		0000950170-25-060299
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		19
    CONFORMED PERIOD OF REPORT:	20250610
    FILED AS OF DATE:		20250429
    DATE AS OF CHANGE:		20250429

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Eledon Pharmaceuticals, Inc.
    		CENTRAL INDEX KEY:			0001404281
    		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
    		ORGANIZATION NAME:           	03 Life Sciences
    		EIN:				000000000
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-36620
    		FILM NUMBER:		25888950

    	BUSINESS ADDRESS:
    		STREET 1:		19800 MACARTHUR BLVD.
    		STREET 2:		SUITE 250
    		CITY:			IRVINE
    		STATE:			CA
    		ZIP:			92612
    		BUSINESS PHONE:		949-238-8090

    	MAIL ADDRESS:
    		STREET 1:		19800 MACARTHUR BLVD.
    		STREET 2:		SUITE 250
    		CITY:			IRVINE
    		STATE:			CA
    		ZIP:			92612

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Novus Therapeutics, Inc.
    		DATE OF NAME CHANGE:	20170511

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Tokai Pharmaceuticals Inc
    		DATE OF NAME CHANGE:	20070622
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>eldn-20250429.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: eldn-20250429.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>img118025896_0.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: img118025896_0.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>img118025896_1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: img118025896_1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>img118025896_2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: img118025896_2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>img118025896_3.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: img118025896_3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>img118025896_4.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: img118025896_4.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>7
    <FILENAME>eldn-20250429.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT
    <TEXT>
    Document 7 - file: eldn-20250429.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>13
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 13 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>14
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 14 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>19
    <FILENAME>0000950170-25-060299-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 19 - file: 0000950170-25-060299-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>22
    <FILENAME>eldn-20250429_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 22 - file: eldn-20250429_htm.html

    Document 22 - RAW XML: eldn-20250429_htm.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>23
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 23 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>24
    <FILENAME>R2.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 24 - file: R2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>25
    <FILENAME>R3.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 25 - file: R3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>26
    <FILENAME>R4.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 26 - file: R4.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>27
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 27 - file: FilingSummary.html

    Document 27 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>29
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 29 - file: MetaLinks.json

    </DOCUMENT>
    </SEC-DOCUMENT>