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News 2026-09-21 11:27 UTC

Alkermes rises after positive early-stage ADHD drug data

Shares of Alkermes rose 7.2% to $46.51 premarket after the company said its experimental ADHD drug, ALKS 7290, reduced symptoms in adults in an early-stage study. Patients receiving the 20 mg dose had a median 14-point reduction from baseline on a 54-point scale used to assess ADHD symptoms after 14 days, while those r