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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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MIC-Info: RSA-MD5,RSA,
 Jgz4xfX4UrWdo8rl9N3TZgz6Lbo2Enqtqw9clHBFopehJnJkMl7sUwFmthA3GQ0H
 RSKNfpLjKh+xVZ+vkyKVuA==

<SEC-DOCUMENT>9999999995-10-002953.txt : 20101018
<SEC-HEADER>9999999995-10-002953.hdr.sgml : 20101018
<ACCEPTANCE-DATETIME>20101018001512
ACCESSION NUMBER:		9999999995-10-002953
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20101015
DATE AS OF CHANGE:		20101018
EFFECTIVENESS DATE:		20101015

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			THRESHOLD PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0001183765
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				943409596
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-169689
		FILM NUMBER:		101126838

	BUSINESS ADDRESS:	
		STREET 1:		1300 SEAPORT BOULEVARD
		CITY:			REDWOOD CITY
		STATE:			CA
		ZIP:			94063
		BUSINESS PHONE:		650 474 8200

	MAIL ADDRESS:	
		STREET 1:		1300 SEAPORT BOULEVARD
		CITY:			REDWOOD CITY
		STATE:			CA
		ZIP:			94063
</SEC-HEADER>
<DOCUMENT>
<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2010-10-15</finalEffectivenessDispDate>
        <finalEffectivenessDispTime>16:00:00</finalEffectivenessDispTime>
        <form>S-3</form>
        <filer>
            <cik>0001183765</cik>
            <entityName>THRESHOLD PHARMACEUTICALS INC</entityName>
            <fileNumber>333-169689</fileNumber>
        </filer>
    </effectiveData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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