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Sexually Transmitted Infections clinical trials in California
5 studies for Sexually Transmitted Infections are looking for participants at sites in California.
This Study Evaluates the ALPCO Syphilis-T and Syphilis-NT CLIA Kits for Detecting Syphilis Antibodies in Serum and Plasma. Samples From At-risk, HIV-positive, Pregnant, and Healthy Individuals Will Assess Assay Performance Versus Established Comparator Tests.
- Chemidox Clinical Trials California, Lancaster
- Folio Clinical Research, Los Angeles
RecruitingObservational studyHealthy volunteers welcome
Ages 13 and older · All sexes · Updated Sep 16, 2026 · NCT07089836Health-E You Efficacy Trial for Male Adolescents
- UCSF Benioff Children's Hospital - Oakland, Oakland
RecruitingHealthy volunteers welcome
Ages 13 to 21 · Men · Updated Jul 15, 2026 · NCT06525064Doxycycline Prophylaxis for Prevention of Sexually Transmitted Infections
- UCLA Care, Los Angeles
- San Francisco Department of Public Health, San Francisco
RecruitingPhase 4
Ages 13 to 29 · Women · Updated May 15, 2026 · NCT06738407California MEPS Hub
- CAL-PEP, Oakland
- Kindful Restoration, Riverside
- Starting Over, Inc, Riverside
RecruitingHealthy volunteers welcome
Ages 18 to 59 · Men · Updated Apr 3, 2026 · NCT07433985Comparing Mobile Health Strategies to Improve Pre-exposure Prophylaxis Use (PrEP) for HIV Prevention
- San Francisco AIDS Foundation, San Francisco
RecruitingHealthy volunteers welcome
Ages 15 and older · All sexes · Updated Sep 28, 2022 · NCT04855773From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.