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June 16, 2026

Alkermes’ alixorexton secures FDA and EC orphan designations

Alkermes has received orphan drug designations (ODD) from both the US Food and Drug Administration (FDA) and the European Commission (EC) for alixorexton, its investigational oral orexin 2 receptor (OX2R) agonist to treat idiopathic hypersomnia (IH) and narcolepsy.

Alkermes’ alixorexton secures FDA and EC orphan designations