Indivior Pharmaceuticals, Inc. develops, manufactures, and sells buprenorphine-based prescription drugs for opioid dependence and related disorders across the United States, Europe, Canada, Australia, and other international markets. Its marketed products include SUBLOCADE, a monthly extended-release buprenorphine injection, and SUBOXONE Film, a buprenorphine and naloxone sublingual film. The company also manufactures SUBOXONE Tablet and SUBUTEX Tablet, and is developing INDV-2000, a selective orexin-1 receptor antagonist in Phase 2 trials for moderate to severe opioid use disorder (OUD), and INDV-6001, a long-acting injectable buprenorphine for OUD, in collaboration with Alar Pharmaceuticals Inc. Formerly known as Indivior PLC., it changed its name to Indivior Pharmaceuticals, Inc. in January 2026, was incorporated in 2014, and is headquartered in North Chesterfield, Virginia.