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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001193125-04-079428.txt : 20040505
<SEC-HEADER>0001193125-04-079428.hdr.sgml : 20040505
<ACCEPTANCE-DATETIME>20040505172022
ACCESSION NUMBER:		0001193125-04-079428
CONFORMED SUBMISSION TYPE:	S-1/A
PUBLIC DOCUMENT COUNT:		8
FILED AS OF DATE:		20040505

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ACADIA PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0001070494
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				061376651
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-1/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-113137
		FILM NUMBER:		04782509

	BUSINESS ADDRESS:	
		STREET 1:		3911 SORRENTO VALLEY BLVD
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		858-558-2871

	MAIL ADDRESS:	
		STREET 1:		3911 SORRENTO VALLEY BLVD
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-1/A
<SEQUENCE>1
<FILENAME>ds1a.htm
<DESCRIPTION>AMENDMENT NO. 3 TO FORM S-1
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.4
<SEQUENCE>2
<FILENAME>dex44.htm
<DESCRIPTION>CONVERTIBLE PROMISSORY NOTE
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.18
<SEQUENCE>3
<FILENAME>dex1018.htm
<DESCRIPTION>DEVELOPMENT AGREEMENT
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>4
<FILENAME>dex231.htm
<DESCRIPTION>CONSENT OF INDEPENDENT ACCOUNTANTS
</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g87317g03e20.jpg
<DESCRIPTION>GRAPHIC
</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g87317g07v61.jpg
<DESCRIPTION>GRAPHIC
</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g87317g19a40.jpg
<DESCRIPTION>GRAPHIC
</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g87317g74k14.jpg
<DESCRIPTION>GRAPHIC
</DOCUMENT>
</SUBMISSION>