BioDelivery Sciences International Inc.

American specialty pharmaceutical company at Raleigh in North Carolina, founded in 1997 and listed on Nasdaq until Collegium Pharmaceutical bought it for about six hundred and four million dollars in a deal completed in March 2022. Developed and sold medicines using its BioErodible MucoAdhesive film technology, notably Belbuca, a buprenorphine buccal film for chronic pain, together with Symproic for opioid induced constipation and Elyxyb, a celecoxib oral solution for migraine.