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Depression clinical trials in Seattle, WA

10 studies for Depression 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.

About Depression

Depression is a serious medical illness. It affects almost 7 percent of U.S. adults. It causes feelings of sadness, hopelessness, and frustration that do not go away. Learn about treatments.

More about Depression on MedlinePlus

Depression trials in other cities

• Boston, MA51 studies
• New York City, NY46 studies
• Philadelphia, PA24 studies
• Chicago, IL23 studies
• Pittsburgh, PA22 studies
• Atlanta, GA22 studies
• San Diego, CA21 studies
• Charleston, SC19 studies
• Houston, TX18 studies
• Los Angeles, CA17 studies
• Orlando, FL17 studies
• Miami, FL16 studies

Other studies in Seattle

• Non-Small Cell Lung Cancer53 studies
• Cancer (all types)50 studies
• Prostate Cancer44 studies
• Breast Cancer40 studies
• Acute Myeloid Leukemia40 studies
• Metastatic Cancer39 studies
• Colorectal Cancer34 studies
• Lung Cancer33 studies
• Ovarian Cancer31 studies
• Multiple Myeloma22 studies
• Pancreatic Cancer22 studies
• Myelodysplastic Syndromes21 studies

From ClinicalTrials.gov, data retrieved Sep 29, 2026. Each study sets its own eligibility; the study team decides who can join.