Pharma Focus Asia

Takeda and Arrowhead Collaborate to Co-Develop and Co-Commercialize ARO-AAT for Alpha-1 Antitrypsin-Associated Liver Disease

Friday, October 09, 2020

Takeda Pharmaceutical Company Limited and Arrowhead Pharmaceuticals Inc. announced a collaboration and licensing agreement to develop ARO-AAT, a Phase 2 investigational RNA interference (RNAi) therapy in development to treat alpha-1 antitrypsin-associated liver disease (AATLD). ARO-AAT is a potential first-in-class therapy designed to reduce the production of mutant alpha-1 antitrypsin protein, the cause of AATLD progression.

Under the terms of the agreement, Takeda and Arrowhead will co-develop ARO-AAT which, if approved, will be co-commercialized in the United States under a 50/50 profit-sharing structure. Outside the U.S., Takeda will lead the global commercialization strategy and receive an exclusive license to commercialize ARO-AAT with Arrowhead eligible to receive tiered royalties of 20-25% on net sales. Arrowhead will receive an upfront payment of $300 million and is eligible to receive potential development, regulatory and commercial milestones up to $740 million. Closing of the transaction is contingent on completion of review under antitrust laws, including the Hart-Scott-Rodino (HSR) Antitrust Improvements Act of 1976 in the U.S.

“AAT-associated liver disease is a devastating condition for which there are no approved therapies. With its RNAi-based mechanism of action, ARO-AAT has the potential to treat the underlying cause of AATLD, thereby helping patients avoid the need for liver transplantation and associated co-morbidities,” said Asit Parikh, M.D., Ph.D., Head, Gastroenterology Therapeutic Area Unit at Takeda. “We are excited to collaborate with Arrowhead to bring forward this exciting late-stage liver asset for the Alpha-1 community as part of our growing GI portfolio.”

“Takeda’s global presence and experience with payers and regulators in the rare disease and GI therapy space, combined with its long history serving the Alpha-1 community make it the ideal partner for ARO-AAT. It is well-positioned to work with the patient and medical community to help meet the severe unmet need of patients with Alpha-1 liver disease,” said Christopher Anzalone, Ph.D., President and CEO at Arrowhead. “This agreement also supports our strategy of using partnering selectively to continue to invest in our Targeted RNAi Molecule (TRiMTM) platform and the growing pipeline of RNAi therapeutics targeting diverse tissue types, while focusing our commercial organization on opportunities in two key areas of cardiometabolic and pulmonary.”

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