Endo Pharmaceuticals Inc., a subsidiary of Endo International plc, and BioDelivery Sciences International, Inc. (BDSI), a specialty pharmaceutical company, announced that the US Food and Drug Administration (FDA) has approved Belbuca (buprenorphine) buccal film for use in patients with chronic pain severe enough to require daily, around-the-clock, long-term opioid treatment and for which alternative treatment options are inadequate.

