Alkermes Plc is a global biopharmaceutical company, which engages in the business of developing, manufacturing, and commercializing medicines designed to address unmet medical needs of patients in major therapeutic areas such as alcohol dependence, opioid dependence, schizophrenia and bipolar I disorder, and a pipeline of product candidates in development for neurological disorders and cancer. Its proprietary products include ARISTADA, ARISTADA INITIO, LYBALVI, and VIVITROL. The company was founded in 1987 and is headquartered in Dublin, Ireland.