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Disorders of Excessive Somnolence clinical trials in San Antonio, TX

9 studies for Disorders of Excessive Somnolence are looking for participants at sites in and around San Antonio (within about 30 miles). Open a study to see who can join and how to contact the study team.

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A Study to Investigate the Effects of Cleminorexton Compared With Placebo in the Treatment of Participants With Central Disorders of Hypersomnolence

RecruitingPhase 2/3
  • San Antonio, Texas, San Antonio
Ages 18 to 70 · All sexes · Updated Oct 2, 2026 · NCT07598708

A Phase 3 Efficacy and Safety Study of HBS-301 in Participants With Idiopathic Hypersomnia (IH)

RecruitingPhase 3
  • Sleep Therapy and Research Center, San Antonio
  • HAS Research, San Antonio
Ages 18 and older · All sexes · Updated Sep 14, 2026 · NCT07500090

A Study to Evaluate the Efficacy and Safety of ALKS 2680 in Adults With Narcolepsy Type 1

RecruitingPhase 3
  • Alkermes Investigational Site, San Antonio
Ages 18 to 70 · All sexes · Updated Sep 3, 2026 · NCT07455383

A Study to Evaluate the Efficacy and Safety of ALKS 2680 in Adults With Narcolepsy Type 2

RecruitingPhase 3
  • Alkermes Investigational Site, San Antonio
Ages 18 to 70 · All sexes · Updated Sep 3, 2026 · NCT07502443

A Study to Evaluate the Efficacy, Safety and Tolerability of ALKS 2680 in Adults With Narcolepsy Type 1 (Brilliance NT1 - 304)

RecruitingPhase 3
  • Alkermes Investigational Site, San Antonio
Ages 18 to 70 · All sexes · Updated Sep 3, 2026 · NCT07540897

A Study of Pitolisant in Patients With Prader-Willi Syndrome

RecruitingPhase 3
  • Road Runner Research, San Antonio
Ages 6 and older · All sexes · Updated Aug 25, 2026 · NCT06366464

A Long-Term Study of ALKS 2680 in Subjects With Narcolepsy and Idiopathic Hypersomnia

RecruitingPhase 2/3
  • Alkermes Investigational Site, San Antonio
Ages 18 to 70 · All sexes · Updated Aug 7, 2026 · NCT06767683

Clinical Assessment of Response in the Treatment of Depression With Daytime Sleepiness Using Solriamfetol

RecruitingPhase 3
  • Clinical Research Site, San Antonio
Ages 18 to 65 · All sexes · Updated Jul 24, 2026 · NCT07484217

Studying Solriamfetol Modulation of TAAR-1, Dopamine, and Norepinephrine in Shift Work Disorder (SUSTAIN)

RecruitingPhase 3
  • Clinical Research Site, San Antonio
Ages 18 to 65 · All sexes · Updated Jul 24, 2026 · NCT06568367

Disorders of Excessive Somnolence trials in other cities

Other studies in San Antonio

From ClinicalTrials.gov, data retrieved Oct 6, 2026. Each study sets its own eligibility; the study team decides who can join.