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Idiopathic Hypersomnia clinical trials in California
8 studies for Idiopathic Hypersomnia are looking for participants at sites in California.
Cities in California
A Study of TAK-360 in People With Narcolepsy or Idiopathic Hypersomnia
- Takeda Site 23, Chula Vista
RecruitingPhase 2/3
Ages 18 to 71 · All sexes · Updated Sep 18, 2026 · NCT07646678A Phase 3 Efficacy and Safety Study of HBS-301 in Participants With Idiopathic Hypersomnia (IH)
- Stanford Center for Sleep Medicine, Redwood City
- Trial Site Solutions, San Ramon
- Santa Monica Clinical Trials, Santa Monica
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 14, 2026 · NCT07500090A Study Evaluating the Efficacy and Safety of Xywav Expanded Dosing vs Placebo in Participants With Narcolepsy or IH
- Santa Monica Clinical Trials, Los Angeles
RecruitingPhase 3
Ages 18 to 75 · All sexes · Updated Aug 19, 2026 · NCT07625280A Long-Term Study of ALKS 2680 in Subjects With Narcolepsy and Idiopathic Hypersomnia
- Alkermes Investigational Site, Los Angeles
- Alkermes Investigator Site, San Francisco
- Alkermes Investigational Site, Stanford
RecruitingPhase 2/3
Ages 18 to 70 · All sexes · Updated Aug 7, 2026 · NCT06767683A Study of TAK-360 in Adults With Idiopathic Hypersomnia
- Takeda Site 11, Redwood City
- Takeda Site 10, Santa Ana
RecruitingPhase 2
Ages 18 to 70 · All sexes · Updated Jul 15, 2026 · NCT06812078Low Sodium Oxybate in Patients With Idiopathic Hypersomnia
- Stanford University, Redwood City
RecruitingPhase 4
Ages 18 to 65 · All sexes · Updated May 12, 2026 · NCT05837091A Study of ORX750 in Participants With Narcolepsy and Idiopathic Hypersomnia
- Long Beach, California, Long Beach
- Santa Ana, California, Santa Ana
RecruitingPhase 2
Ages 18 to 65 · All sexes · Updated Apr 27, 2026 · NCT06752668A Long-term Extension Study of ORX750 in Participants With Narcolepsy and Idiopathic Hypersomnia
- Santa Ana, California, Santa Ana
RecruitingPhase 2
Ages 18 to 65 · All sexes · Updated Apr 16, 2026 · NCT07096674From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.