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Drug Use and Addiction clinical trials in Eugene, OR

5 studies for Drug Use and Addiction are looking for participants at sites in and around Eugene (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
• Houston, TX9 studies
• New York City, NY9 studies
• New Haven, CT8 studies
• Boston, MA7 studies
• Chicago, IL7 studies
• Charleston, SC7 studies
• Los Angeles, CA6 studies
• San Francisco, CA6 studies
• San Diego, CA6 studies
• Providence, RI5 studies
• Dallas, TX5 studies

Other studies in Eugene

• Non-Small Cell Lung Cancer13 studies
• Ovarian Cancer9 studies
• Endometrial Cancer8 studies
• Breast Cancer7 studies
• Chronic Lymphocytic Leukemia6 studies
• Multiple Myeloma6 studies
• Metastatic Cancer6 studies
• Cancer (all types)6 studies
• Lung Cancer5 studies
• Macular Degeneration5 studies
• Obesity4 studies
• Prostate Cancer3 studies

From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.