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Chlamydia Infections clinical trials recruiting in the U.S.
6 studies for Chlamydia Infections are recruiting participants at sites across the United States.
Chlamydia is a common sexually transmitted disease contracted by men and women. Chlamydia usually does not have symptoms. Learn about tests and prevention.
Recently updated studies
Validation of Chlamydia Diagnostic Codes in TriNetX US EHR Data
RecruitingObservational study
Ages 14 to 44 · All sexes · Updated Sep 22, 2026 · NCT07094373A Seek, Test, and Treat Intervention to Reduce Chlamydia Trachomatis Disparities
RecruitingHealthy volunteers welcome
Ages 15 to 26 · All sexes · Updated Sep 21, 2026 · NCT06428643Doxycycline Prophylaxis for Prevention of Sexually Transmitted Infections
RecruitingPhase 4
Ages 13 to 29 · Women · Updated May 15, 2026 · NCT06738407Effectiveness of Relationship Education for Reducing HIV Incidence Among Men Who Have Sex With Men
RecruitingHealthy volunteers welcome
Ages 16 to 34 · All sexes · Updated May 8, 2026 · NCT05678556Point of Care STI Testing
Recruiting
Ages 16 to 24 · All sexes · Updated May 5, 2026 · NCT06844045Assessing Acceptability and Feasibiity of STI Self-swab Testing, to be Offered at the Time of Telemed Medication Abortion Provision
RecruitingHealthy volunteers welcome
Ages 14 and older · Women · Updated Jun 26, 2025 · NCT06951438From ClinicalTrials.gov, data retrieved Oct 3, 2026. Each study sets its own eligibility; the study team decides who can join.