Amgen (AMGN), Arrowhead Pharma (ARWR) Enter Two Cardiovascular-Focused License, Collaboration Agreements

September 29, 2016 7:31 AM EDT

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Amgen (Nasdaq: AMGN) and Arrowhead Pharmaceuticals Inc. (Nasdaq: ARWR) announced two license and collaboration agreements to develop and commercialize RNA interference (RNAi) therapies for cardiovascular disease. These are the first programs to utilize Arrowhead's proprietary subcutaneous RNAi delivery platform. RNAi molecules may be designed to target and shut down specific gene products that contribute to various diseases.

Under one agreement, Amgen receives a worldwide, exclusive license to Arrowhead's novel, RNAi ARC-LPA program. These RNAi molecules are designed to reduce elevated lipoprotein(a), which is a genetically validated, independent risk factor for atherosclerotic cardiovascular disease. Under the second agreement, Amgen receives an option to a worldwide, exclusive license for a RNAi therapy for an undisclosed genetically validated cardiovascular target. In both agreements, Amgen will be wholly responsible for clinical development and commercialization.

Under the terms of the agreements taken together, Arrowhead will receive $35 million in upfront payments; $21.5 million in the form of an equity investment by Amgen in Arrowhead common stock; and up to $617 million in option payments, and development, regulatory and sales milestone payments. Arrowhead is further eligible to receive single digit royalties for sales of products against the undisclosed target and up to low double digit royalties for sales of products under the ARC-LPA agreement. Additional financial terms of the agreements are not disclosed.

"Arrowhead's expertise in RNAi makes them a valuable partner as we translate genetic discoveries into potential therapies that can improve health outcomes for patients," said Sean E. Harper, M.D., executive vice president of Research and Development at Amgen. "This collaboration builds upon our commitment to cardiovascular disease with targets that we believe are uniquely suited for RNAi-based therapy."

"We have made great advances to our proprietary subcutaneous RNAi delivery vehicle and in RNAi trigger modification and stabilization that enable rapid development of new RNAi therapeutics across multiple disease areas," said Christopher Anzalone, Ph.D., president and chief executive officer at Arrowhead. "Our capabilities and platform technologies are becoming increasingly validated, so we feel that now is a great time to expand the reach of our technologies and partner with other companies to maximize the value of our assets. We are thrilled to be working with Amgen, one of the world's leading biotechnology companies, on this collaboration. Amgen's extensive development, regulatory, and commercial expertise makes them an ideal partner, and we look forward to a long and productive relationship."

The closing of the ARC-LPA transaction is subject to clearance under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, and is expected to close before the end of the fourth quarter of 2016.

Arrowhead Conference Call and Webcast Details

Arrowhead will host a conference call today, Sept. 29, 2016, at 9 a.m. ET. Investors may access a live audio webcast on Arrowhead's website at For analysts that wish to participate in the conference call, please dial 855-215-6159 or 315-625-6887 and enter Conference ID 88684368.

A replay of the webcast will be available on the Arrowhead website approximately two hours after the conclusion of the call and will remain available for 90 days. An audio replay will also be available approximately two hours after the conclusion of the call and will be available for 3 days. To access the audio replay, dial 404-537-3406 and enter Conference ID 88684368.

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