Home › Syphilis › California
Syphilis clinical trials in California
5 studies for Syphilis are looking for participants at sites in California.
Cities 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 · NCT07089836Study of Ceftriaxone and Benzathine Penicillin G During Pregnancy
- Site 5048, USC - Maternal Child Adolescent/Adult Center, Los Angeles
- Site 5112, David Geffen School of Medicine at UCLA NICHD CRS, Los Angeles
RecruitingObservational study
All ages · Women · Updated Aug 6, 2026 · NCT07207876Doxycycline 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 · NCT06738407Cefixime Clinical Trial
- University of Southern California, Los Angeles
RecruitingPhase 3
Ages 18 and older · All sexes · Updated May 4, 2026 · NCT04958122Modernizing Perinatal Syphilis Testing
- University of Southern California, Los Angeles
- University of California, Los Angeles, Los Angeles
Recruiting
Up to age 45 · All sexes · Updated Nov 3, 2025 · NCT06082453From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.