Takeda, Endo Face Another Reverse-Payment Suit Over Drug Amitiza

The operator of Kinney Drugs retail chain sued Takeda Pharmaceutical Co. and Endo International Plc over claims that the pharmaceutical manufacturers allegedly engaged in a pay-to-delay scheme to keep generic versions of Takeda’s anti-constipation drug Amitiza off the market.

KPH Healthcare Services Inc.'s antitrust lawsuit, filed Tuesday in the U.S. District Court for the District of Massachusetts, said that Japan-based Takeda and its U.S. subsidiary, Takeda Pharmaceuticals USA Inc., made “reverse payments” totaling between $29 and $280 million to an Endo subsidiary, Par Pharmaceuticals, to keep the generic from being introduced for over six years.

It’s the second lawsuit Takeda ...