Alkermes' alixorexton met dual primary endpoints in Phase II Vibrance-1 study for narcolepsy type 2 (NT2), showing significant improvements in mean sleep latency and daytime sleepiness at 18-mg and 14-mg doses. Truist Securities analysts described the Phase II data as 'highly competitive' and sufficient for Phase III success. Phase III Brilliance Studies for alixorexton in NT1 and NT2 initiated on April 1-2, 2026. Alkermes acquired Avadel for $2.1 billion, adding approved narcolepsy drug Lumryz expected to generate $265-275 million in 2025. Alixorexton, an oral orexin 2 receptor agonist, is also being tested for narcolepsy type 1 (NT1) and idiopathic hypersomnia (IH). No recent news found on Boehringer's antibody deal in provided search results. Sources:
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