Calif. Woman Sues Allergan, Says IBS Drug Viberzi Caused Her Pancreatitis

LOS ANGELES — A California woman who developed pancreatitis after ingesting Viberzi to treat her irritable bowel syndrome has sued Allergan Inc., accusing it of failing to warn doctors of the drug’s propensity to cause pancreatitis in people without a gallbladder.

In a Sept. 17 complaint filed in the U.S. District Court for the Central District of California contends that had Allergan conducted proper and adequate clinical trials, a warning would have been added to the Viberzi label.

Erin Duncan, then 46, was prescribed Allergan’s Viberzi (eluxadoline) in September 2016 to treat her irritable bowel syndrome with diarrhea.

Viberzi …