Harmony Biosciences
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Harmony Biosciences posts results of Phase 3 pitolisant study in idiopathic hypersomnia
Results for the open-label study were first posted on ClinicalTrials.gov on November 13, 2026. The completed study enrolled 119 participants and assessed the long-term safety and effectiveness of pitolisant after the double-blind randomized withdrawal phase of HBS-101-CL-010.