Alkermes plc (Nasdaq: ALKS) and Rodin Therapeutics, Inc. (Rodin) today announced that they have entered into a definitive agreement under which Alkermes will acquire Rodin, a privately held biopharmaceutical company focused on developing novel, small molecule therapeutics for synaptopathies. This transaction builds on Alkermes' experience in central nervous system (CNS) diseases and expands Alkermes' CNS development efforts into a wide range of neurodegenerative disorders.