Alkermes, Announces Alkermes Announces Positive Topline Results From Phase 1b Study of ALKS 2680 Demonstrating Improved Wakefulness in Patients With Narcolepsy Type 2 and Idiopathic Hypersomnia 07.08.2025 - 18:04:24 Alkermes plc Ireland View original content:https://www.prnewswire.co.uk/news-releases/alkermes-announces-positive-topline-results-from-phase-1b-study-of-alks-2680-demonstrating-improved-wakefulness-in-patients-with-narcolepsy-type-2-and-idiopathic-hypersomnia-302111064.html