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Clinical trials Brief

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.

Primary source

ClinicalTrials.gov results record, November 13, 2026

A Long-Term Safety and Effectiveness Study to Evaluate Pitolisant in Adult Patients With Idiopathic Hypersomnia

Read the source: A Long-Term Safety and Effectiveness Study to Evaluate Pitolisant in Adult Patients With Idiopathic Hypersomnia clinicaltrials.gov

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