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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001104659-01-500648.txt : 20010516
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ACCESSION NUMBER:		0001104659-01-500648
CONFORMED SUBMISSION TYPE:	10-Q/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20010331
FILED AS OF DATE:		20010515

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AEROGEN INC
		CENTRAL INDEX KEY:			0001039160
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				330488580
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-Q/A
		SEC ACT:		
		SEC FILE NUMBER:	000-31913
		FILM NUMBER:		1634520

	BUSINESS ADDRESS:	
		STREET 1:		1310 CORONADO DR
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95054
		BUSINESS PHONE:		4085432400

	MAIL ADDRESS:	
		STREET 1:		1310 ORLEANS DRIVE
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089
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