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Sexually Transmitted Infections clinical trials recruiting in the U.S.

19 studies for Sexually Transmitted Infections are recruiting participants at sites across the United States.

Sexually transmitted infections (STIs) are passed from person to person during sexual contact. Testing, vaccines, and prevention behaviors can lower your risk.

Cities with the most studies

• Washington, DC6 studies
• Philadelphia, PA3 studies
• Atlanta, GA3 studies

By state

• California5 studies
• District of Columbia5 studies
• Florida3 studies
• Georgia4 studies
• Maryland3 studies
• North Carolina3 studies
• Pennsylvania3 studies

Recently updated studies

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.