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Sexually Transmitted Infections clinical trials in Chicago, IL

3 studies for Sexually Transmitted Infections are looking for participants at sites in and around Chicago (within about 30 miles). Open a study to see who can join and how to contact the study team.

Recruiting for a study here? Feature it at the top of this page — $99 for 30 days →

About Sexually Transmitted Infections

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

More about Sexually Transmitted Infections on MedlinePlus

Sexually Transmitted Infections trials in other cities

• Washington, DC6 studies
• Philadelphia, PA3 studies
• San Francisco, CA3 studies
• Atlanta, GA3 studies

Other studies in Chicago

• Breast Cancer59 studies
• Non-Small Cell Lung Cancer59 studies
• Cancer (all types)51 studies
• Prostate Cancer45 studies
• Lung Cancer43 studies
• Metastatic Cancer42 studies
• Obesity40 studies
• Ovarian Cancer36 studies
• Colorectal Cancer32 studies
• Stroke31 studies
• Head and Neck Squamous Cell Carcinoma29 studies
• Overweight29 studies

From ClinicalTrials.gov, data retrieved Nov 15, 2026. Each study sets its own eligibility; the study team decides who can join.