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Drug Use and Addiction clinical trials in San Francisco, CA

6 studies for Drug Use and Addiction are looking for participants at sites in and around San Francisco (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 Drug Use and Addiction

Drugs include prescription and over-the-counter medicines, alcohol, tobacco, and illegal substances. Repeated drug use can change the brain and lead to addiction.

More about Drug Use and Addiction on MedlinePlus

Drug Use and Addiction trials in other cities

• Baltimore, MD13 studies
• New York City, NY9 studies
• Houston, TX9 studies
• New Haven, CT8 studies
• Charleston, SC8 studies
• Boston, MA7 studies
• Chicago, IL7 studies
• San Diego, CA6 studies
• Los Angeles, CA6 studies
• Dallas, TX5 studies
• Providence, RI5 studies
• Salt Lake City, UT5 studies

Other studies in San Francisco

• Prostate Cancer45 studies
• Breast Cancer43 studies
• Non-Small Cell Lung Cancer36 studies
• Cancer (all types)35 studies
• Heart Failure29 studies
• Metastatic Cancer28 studies
• Lung Cancer22 studies
• Melanoma22 studies
• Pancreatic Cancer20 studies
• Ovarian Cancer19 studies
• Colorectal Cancer18 studies
• Cardiovascular Disease18 studies

From ClinicalTrials.gov, data retrieved Oct 6, 2026. Each study sets its own eligibility; the study team decides who can join.