Sleep-Wake Disorders

Idiopathic Hypersomnia drug pipeline

    2 compounds from 1 company are in active clinical development for idiopathic hypersomnia, including 1 at Phase 3 or beyond.

    2Compounds
    1Company
    1Phase 3+
    1Upcoming readout
    1Trials recruiting
    • Phase 3 1
    • Phase 2 1

    Mechanisms: Small molecule (2)

    Pipeline data compiled July 2026 · every fact sourced.

    Upcoming readouts & recent results

    • 2H 2026AnticipatedAlixorextonTopline dataNCT06843590

      Vibrance-3 Phase 2 topline results anticipated in idiopathic hypersomnia (primary endpoint: change in Epworth Sleepiness Scale at Week 8).

    • REVITALYZ Phase 3 positive topline: LUMRYZ met the primary ESS endpoint and all key secondary endpoints (PGI-C, IHSS, ESS worsening on placebo), each p<0.0001, in adults with idiopathic hypersomnia; sNDA planned by end of 2026.

    See the full catalyst calendar →

    Compounds in development (2)

    CompoundCompanyPhaseStatusMechanism
    LUMRYZ (sodium oxybate extended-release)Alkermes plcPhase 3ActiveGABA-B receptor Agonist
    AlixorextonOrphanAlkermes plcPhase 2RecruitingOX2R Agonist

    Trials recruiting now (1)

    1 drug-interventional idiopathic hypersomnia trial recruiting now, of 2 registered interventional trials. Browse all on ClinicalTrials.gov →

    Frequently asked

    How many drugs are in development for idiopathic hypersomnia?
    2 compounds from 1 company are in active clinical development for idiopathic hypersomnia, including 1 at Phase 3 or beyond.
    Which idiopathic hypersomnia drugs are in Phase 3?
    Phase 3 (or later) programs for idiopathic hypersomnia include LUMRYZ (sodium oxybate extended-release).
    What are the next idiopathic hypersomnia trial readouts?
    Upcoming catalysts include Alixorexton (2H 2026).
    How many clinical trials are recruiting for idiopathic hypersomnia?
    1 drug-interventional idiopathic hypersomnia trial is currently recruiting participants, out of 2 registered interventional trials.