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	<title>Merrimack Pharmaceuticals Inc.</title>
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		<title>Merrimack Pharmaceuticals Reports First Quarter 2012 Financial Results</title>
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		<pubDate>Tue, 15 May 2012 13:55:18 +0000</pubDate>
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		<title>Merrimack Pharmaceuticals to Present at the Bank of America Merrill Lynch 2012 Health Care Conference</title>
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		<pubDate>Thu, 10 May 2012 22:07:40 +0000</pubDate>
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		<title>Merrimack Pharmaceuticals, Inc. Announces Pricing of Initial Public Offering</title>
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		<pubDate>Wed, 28 Mar 2012 15:38:03 +0000</pubDate>
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		<title>Phase 1 Data on MM-398 will be Presented at the ASCO 2012 Gastrointestinal Cancers Symposium</title>
		<link>http://www.merrimackpharma.com/news/phase-1-data-on-mm-398-will-be-presented-at-the-asco-2012-gastrointestinal-cancers-symposium/</link>
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		<pubDate>Thu, 12 Jan 2012 21:36:39 +0000</pubDate>
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		<title>Merrimack Pharmaceuticals Initiates Enrollment in Phase 1 Study of MM-151 in Patients with Refractory Advanced Solid Tumors</title>
		<link>http://www.merrimackpharma.com/news/merrimack-pharmaceuticals-initiates-enrollment-in-phase-1-study-of-mm-151-in-patients-with-refractory-advanced-solid-tumors/</link>
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		<pubDate>Wed, 11 Jan 2012 21:31:40 +0000</pubDate>
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		<title>Merrimack Pharmaceuticals Initiates Enrollment in a Phase 1 Study of MM-121 in Combination with Cetuximab and Irinotecan in Patients with Advanced Cancers</title>
		<link>http://www.merrimackpharma.com/news/merrimack-pharmaceuticals-initiates-enrollment-in-a-phase-1-study-of-mm-121-in-combination-with-cetuximab-and-irinotecan-in-patients-with-advanced-cancers/</link>
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		<pubDate>Tue, 13 Dec 2011 21:08:00 +0000</pubDate>
		<dc:creator>merr-ryaroschuk-01</dc:creator>
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		<title>Merrimack Pharmaceuticals Initiates Enrollment in a Phase 1 Combination Study of MM-121 and Multiple Anticancer Therapies in Patients with Advanced Solid Tumors</title>
		<link>http://www.merrimackpharma.com/news/merrimack-pharmaceuticals-initiates-enrollment-in-a-phase-1-combination-study-of-mm-121-and-multiple-anticancer-therapies-in-patients-with-advanced-solid-tumors/</link>
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		<pubDate>Wed, 30 Nov 2011 21:36:20 +0000</pubDate>
		<dc:creator>merr-ryaroschuk-01</dc:creator>
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		<title>Merrimack Pharmaceuticals Initiates Enrollment in Phase 2 Study of MM-121 in Combination with Erlotinib in Three Groups of Patients with Non-Small Cell Lung Cancer</title>
		<link>http://www.merrimackpharma.com/news/for-immediate-release-merrimack-pharmaceuticals-initiates-enrollment-in-phase-2-study-of-mm-121-in-combination-with-erlotinib-in-three-groups-of-patients-with-non-small-cell-lung-cancer/</link>
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		<pubDate>Fri, 18 Nov 2011 21:21:19 +0000</pubDate>
		<dc:creator>merr-ryaroschuk-01</dc:creator>
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		<title>Multiple Programs from Merrimack Pharmaceuticals’ Pipeline to be Presented at the 2011 AACR-NCI-EORTC International Conference on Molecular Targets and Cancer Therapeutics</title>
		<link>http://www.merrimackpharma.com/news/multiple-programs-from-merrimack-pharmaceuticals%e2%80%99-pipeline-to-be-presented-at-the-2011-aacr-nci-eortc-international-conference-on-molecular-targets-and-cancer-therapeutics/</link>
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		<pubDate>Fri, 11 Nov 2011 20:27:44 +0000</pubDate>
		<dc:creator>merr-ryaroschuk-01</dc:creator>
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		<title>Merrimack Pharmaceuticals Initiates Enrollment in a Neoadjuvant Phase 2 Study of MM-121 with Paclitaxel in HER2-negative Breast Cancer Patients</title>
		<link>http://www.merrimackpharma.com/news/merrimack-pharmaceuticals-initiates-enrollment-in-a-neoadjuvant-phase-2-study-of-mm-121-with-paclitaxel-in-her2-negative-breast-cancer-patients/</link>
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		<pubDate>Tue, 11 Oct 2011 13:28:06 +0000</pubDate>
		<dc:creator>merr-ryaroschuk-01</dc:creator>
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