Insomnia clinical trials in California
18 studies for Insomnia are looking for participants at sites in California.
Cities in California
The Effects of Orexin Antagonism on Fear Extinction in PTSD
- San Francisco VA Medical Center, San Francisco, CA, San Francisco
RecruitingPhase 4
Ages 18 to 75 · All sexes · Updated Nov 5, 2026 · NCT06788522A Study of Suvorexant (MK-4305) for the Treatment of Insomnia Disorder in Participants With Opioid Use Disorder (MK-4305-098)
- Cenexel CNS ( Site 2012), Garden Grove
RecruitingPhase 3
Ages 18 to 70 · All sexes · Updated Sep 21, 2026 · NCT06655883Pharmacokinetics, Pharmacodynamics, and Safety Profile of Understudied Drugs Administered to Children Per Standard of Care (POPS)
- Lucile Packard Children's Hospital, Palo Alto
RecruitingObservational studyHealthy volunteers welcome
Ages 0 to 20 · All sexes · Updated Aug 21, 2026 · NCT04278404Multi-center Trial to Improve Nocturia and Sleep in Older Adults
- VA Greater Los Angeles Healthcare System, Los Angeles
Recruiting
Ages 60 and older · All sexes · Updated Aug 13, 2026 · NCT06110091Treatments for Insomnia in Veterans With PTSD
- VA Greater Los Angeles Healthcare System, Sepulveda, CA, Sepulveda
Recruiting
Ages 18 and older · All sexes · Updated Jul 27, 2026 · NCT05194930Studying Solriamfetol Modulation of TAAR-1, Dopamine, and Norepinephrine in Shift Work Disorder (SUSTAIN)
- Clinical Research Site, Anaheim
- Clinical Research Site, Cerritos
- Clinical Research Site, Huntington Beach
- and 2 more
RecruitingPhase 3
Ages 18 to 65 · All sexes · Updated Jul 24, 2026 · NCT06568367Digital and Plasma Biomarkers in Delirium
- Scripps Green Hospital, La Jolla
- Scripps Memorial La Jolla Hospital, San Diego
RecruitingObservational study
Ages 65 and older · All sexes · Updated Jul 9, 2026 · NCT07694206Evaluating the Effects of Tasimelteon vs. Placebo in Treating Pediatric Insomnia
- Vanda Investigational Site, Irvine
RecruitingPhase 3
Ages 2 to 17 · All sexes · Updated Jun 5, 2026 · NCT06953869Optimizing an Integrated Mind and Body Treatment for Insomnia: The SLEEPS Study 2
- Osher Center for Integrative Health, San Francisco
Recruiting
Ages 18 and older · All sexes · Updated Apr 24, 2026 · NCT07036705Optimizing the Timing of rTMS to Enhance the Administration of Insomnia Treatment
- 1070 Arastradero Road, Palo Alto
Recruiting
Ages 25 to 45 · All sexes · Updated Apr 23, 2026 · NCT06656533Brief Behavioral Treatment for Insomnia in Veterans With Posttraumatic Stress Disorder
- San Francisco VA Medical Center, San Francisco, CA, San Francisco
RecruitingHealthy volunteers welcome
Ages 18 to 75 · All sexes · Updated Apr 21, 2026 · NCT05780177Sleep Mechanisms Of Regulating Emotions
- Stanford University, Palo Alto
Recruiting
Ages 18 to 65 · All sexes · Updated Apr 20, 2026 · NCT06373718Insomnia Treatment and Cardiometabolic Health in Older Adults With Posttraumatic Stress Disorder
- VA Greater Los Angeles Healthcare System, North Hills
RecruitingHealthy volunteers welcome
Ages 50 and older · All sexes · Updated Apr 15, 2026 · NCT05516277Sleep Learning Education and Empowerment for Older Korean Immigrants
- University of California Los Angeles, Los Angeles
Recruiting
Ages 60 and older · All sexes · Updated Mar 5, 2026 · NCT07387406The Effects of a Nutritional Supplement on Sleep Quality
- Citruslabs, Santa Monica
RecruitingHealthy volunteers welcome
Ages 35 to 65 · All sexes · Updated Feb 10, 2026 · NCT07345260Healthy Lifestyles in Bipolar Disorder: Bay Area Study
- University of California Berkeley, Berkeley
Recruiting
Ages 18 to 65 · All sexes · Updated Jan 14, 2026 · NCT06555406Behavioral Treatment of Insomnia in Active-Duty Service Members With Traumatic Brain Injury
- Naval Medical Center San Diego, San Diego
Recruiting
Ages 18 and older · All sexes · Updated Apr 24, 2025 · NCT06867666Forehead Temperature-Regulating Therapy for Insomnia in Adults With Tourette's Disorder
- Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, Los Angeles
Recruiting
Ages 18 to 50 · All sexes · Updated Mar 17, 2025 · NCT05499741From ClinicalTrials.gov, data retrieved Nov 15, 2026. Each study sets its own eligibility; the study team decides who can join.