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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 FoYN3xL6Ulw0zAIgCrPcpZMvanj37v3ZJeMWO68VsmZN2mtpU1gLu1BN13B8Lhlh
 U9AnaaIA2qHC1sgzBcxu7A==

<SEC-DOCUMENT>9999999995-07-000490.txt : 20070207
<SEC-HEADER>9999999995-07-000490.hdr.sgml : 20070207
<ACCEPTANCE-DATETIME>20070207001522
ACCESSION NUMBER:		9999999995-07-000490
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20070206
DATE AS OF CHANGE:		20070207
EFFECTIVENESS DATE:		20070206

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARIAD PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0000884731
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				223106987
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-140333
		FILM NUMBER:		07586150

	BUSINESS ADDRESS:	
		STREET 1:		26 LANDSDOWNE ST
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139
		BUSINESS PHONE:		6174940400

	MAIL ADDRESS:	
		STREET 1:		26 LANDSDOWNE
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139
</SEC-HEADER>
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<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2007-02-06</finalEffectivenessDispDate>
        <finalEffectivenessDispTime>16:00:00</finalEffectivenessDispTime>
        <form>S-3</form>
        <filer>
            <cik>0000884731</cik>
            <entityName>ARIAD PHARMACEUTICALS INC</entityName>
            <fileNumber>333-140333</fileNumber>
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</TEXT>
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