Progenics Takes Back Rights From Wyeth | October 19, 2009 Issue - Vol. 87 Issue 42 | Chemical & Engineering News
Volume 87 Issue 42 | p. 19 | Concentrates
Issue Date: October 19, 2009

Progenics Takes Back Rights From Wyeth

Department: Business
Keywords: Progenics, Wyeth, Opiod-induced Constipation

Progenics Pharmaceuticals has regained worldwide rights to Relistor (methylnaltrexone bromide), the only approved treatment for opioid-induced constipation, from Wyeth. To end a 2005 agreement, Wyeth will pay Progenics $10 million and will continue to manufacture and sell Relistor during a transition period concluding at the end of 2010. "Regaining the rights to Relistor is an important step toward our goal of becoming a commercial organization," Progenics CEO Paul J. Maddon says. Progenics is now developing an oral form of the drug. Others working on developing treatments for opioid-induced constipation include AstraZeneca, Nektar, and Adolor (C&EN, Sept. 28, page 36).

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