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Narcolepsy clinical trials in California
8 studies for Narcolepsy are looking for participants at sites in California.
Cities in California
A Study to Evaluate the Efficacy and Safety of ALKS 2680 in Adults With Narcolepsy Type 1
- Alkermes Investigational Site, Los Angeles
RecruitingPhase 3
Ages 18 to 70 · All sexes · Updated Sep 3, 2026 · NCT07455383A Phase 3 Efficacy and Safety Study of HBS-301 in Participants With Narcolepsy
- West Coast Pulmonary & Sleep Disorders Center, Lancaster
- Santa Monica Clinical Trials, Los Angeles
- Stanford Center for Sleep Sciences and Medicine, Redwood City
- and 2 more
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Aug 27, 2026 · NCT07675135A 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 Narcolepsy Type 1 (Narcolepsy With Cataplexy)
- Takeda Site 12, Redwood City
RecruitingPhase 2
Ages 18 to 70 · All sexes · Updated Jun 29, 2026 · NCT07633301A Study to Evaluate the Efficacy and Safety of E2086 in Adults With Narcolepsy
- SDS Clinical Trials, Inc-California-Santa Ana, Santa Ana
RecruitingPhase 2
Ages 18 and older · All sexes · Updated May 14, 2026 · NCT07493265A 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 · NCT07096674Extended-release Sodium Oxybate in Children
- Stanford University, Redwood City
RecruitingPhase 2
Ages 7 to 17 · All sexes · Updated Nov 6, 2025 · NCT06809803From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.