FDA Approves a Valeant Pharma NDA for Relistor Tablets

FDA has approved a Valeant Pharmaceuticals and Progenics Pharmaceuticals NDA for Relistor (methylnaltrexone bromide) tablets for treating opioid-induced constipation (OIC) in adults with chronic non-cancer pain. Relistor subcutaneous injection (12 mg and 8 mg) was approved in 2008 for treating OIC in adults with advanced illness who are receiving palliative care and in 2014 for treating OIC in adults with chronic non-cancer pain. Approval was based on data from a Phase 3 trial that showed methylnaltrexone-treated patients demonstrated statistically significant improvements in rescue-free bowel movement (RFBM) within 4 hours of administration over 28 days of dosing when compared to placebo treatment, which was the primary endpoint.

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