<SEC-DOCUMENT>0000950123-06-013734-index.html : 20061108
<SEC-HEADER>0000950123-06-013734.hdr.sgml : 20061108
<ACCEPTANCE-DATETIME>20061108162824
ACCESSION NUMBER:		0000950123-06-013734
CONFORMED SUBMISSION TYPE:	SC 13D
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20061108
DATE AS OF CHANGE:		20061108

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SIRNA THERAPEUTICS INC
		CENTRAL INDEX KEY:			0000892112
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				341697351
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-47149
		FILM NUMBER:		061197816

	BUSINESS ADDRESS:	
		STREET 1:		185 BERRY STREET
		STREET 2:		SUITE 6504
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94107
		BUSINESS PHONE:		4155127624

	MAIL ADDRESS:	
		STREET 1:		185 BERRY STREET
		STREET 2:		SUITE 6504
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94107

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RIBOZYME PHARMACEUTICALS INC
		DATE OF NAME CHANGE:	19960306

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MERCK & CO INC
		CENTRAL INDEX KEY:			0000064978
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				221109110
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D

	BUSINESS ADDRESS:	
		STREET 1:		ONE MERCK DR
		STREET 2:		P O BOX 100
		CITY:			WHITEHOUSE STATION
		STATE:			NJ
		ZIP:			08889-0100
		BUSINESS PHONE:		9084231688

	MAIL ADDRESS:	
		STREET 1:		ONE MERCK DR
		STREET 2:		PO BOX 100 WS3AB-05
		CITY:			WHITEHOUSE STATION
		STATE:			NJ
		ZIP:			08889-0100
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D
<SEQUENCE>1
<FILENAME>e26219sc13d.htm
<DESCRIPTION>ORIGINAL FILING ON SCHEDULE 13D
<TEXT>
Document 1 - file: e26219sc13d.htm

</DOCUMENT>
</SEC-DOCUMENT>