Salix Pharma (SLXP), Progenics Pharma (PGNX) Get CRL from FDA for RELISTOR sNDA

July 30, 2012 7:12 AM EDT Send to a Friend
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Salix Pharmaceuticals, Ltd. (NASDAQ: SLXP) and Progenics Pharmaceuticals (NASDAQ: PGNX) on Friday announced they received at approximately 5:00 p.m. ET a Complete Response Letter (CRL) from the U.S. Food and Drug Administration (FDA) following its review of a Supplemental New Drug Application (sNDA) for RELISTOR ® (methylnaltrexone bromide) injection for subcutaneous use for the treatment of opioid-induced constipation (OIC) in adult patients with chronic, non-cancer pain. The CRL requests additional clinical data. Salix and Progenics intend to request an End-of-Review meeting with the Division of Gastroenterology and Inborn Errors Products to better understand the contents of the CRL.

RELISTOR is a peripherally acting mu–opioid receptor antagonist specifically designed to block the constipating effects of opioid pain medications in the gastrointestinal tract. RELISTOR does not cross the blood-brain barrier, therefore relieving the distressing effects of the constipation while retaining the analgesic effect of the opioid. RELISTOR Subcutaneous Injection has been FDA approved since 2008 to treat constipation in patients with advanced illness and receiving palliative care, when response to laxative therapy has not been sufficient.


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