Alkermes Shares Rise 9.3% on Positive Alixorexton Phase 2 Data and Russell 2000 Addition

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Alkermes shares climbed 9.3% after the company reported detailed positive phase 2 Vibrance‑2 results for its oral orexin 2 receptor agonist alixorexton in narcolepsy type 2 and was added to the Russell 2000 Dynamic Index. The Vibrance‑2 data met dual primary endpoints on wakefulness and daytime sleepiness with sustained benefits, and showed encouraging safety and patient‑reported gains in fatigue and cognition. These results sharpen focus on the upcoming phase 3 Brilliance program as the key catalyst for Alkermes' orexin pipeline, which the company hopes will become a meaningful new pillar alongside Vivitrol, Aristada, and Lybalvi. The Russell 2000 Dynamic Index inclusion is seen as visibility‑enhancing but not a material driver of the core risk‑reward balance. Alkermes' narrative projects $2.1 billion in revenue and $264.8 million in earnings by 2029, requiring 11.1% yearly revenue growth.

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Biotech & Genomic Medicine · 1 stocks
Alkermes Plc
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Positive phase 2 data for alixorexton in narcolepsy type 2, meeting dual primary endpoints with sustained benefits.

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