Home › Drug Use and Addiction › Washington › Seattle
Drug Use and Addiction clinical trials in Seattle, WA
3 studies for Drug Use and Addiction are looking for participants at sites in and around Seattle (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 →
Wakaya: Rising Up for Choctaw Youth Health
RecruitingHealthy volunteers welcome
- University of Washington, IWRI, School of Social Work, Seattle
Mobile Technology to Reduce Teen Substance Misuse
Recruiting
- Evidence-Based Practice Institute, Seattle
Combining a Smartphone App With Medications to Manage Heavy Drinking
Recruiting
- VA Puget Sound Health Care System Seattle Division, Seattle, WA, Seattle
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
- Eugene, OR5 studies
Other studies in Seattle
- Non-Small Cell Lung Cancer53 studies
- Cancer (all types)49 studies
- Prostate Cancer42 studies
- Acute Myeloid Leukemia40 studies
- Breast Cancer39 studies
- Metastatic Cancer39 studies
- Colorectal Cancer34 studies
- Lung Cancer33 studies
- Ovarian Cancer30 studies
- Multiple Myeloma22 studies
- Myelodysplastic Syndromes21 studies
- Acute Lymphoblastic Leukemia21 studies
From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.