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Depression clinical trials in San Diego, CA

18 studies for Depression are looking for participants at sites in and around San Diego (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 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, MA50 studies
• New York City, NY44 studies
• Chicago, IL26 studies
• Atlanta, GA22 studies
• Pittsburgh, PA22 studies
• Philadelphia, PA21 studies
• Charleston, SC18 studies
• Houston, TX18 studies
• Los Angeles, CA17 studies
• Washington, DC16 studies
• San Francisco, CA15 studies
• Orlando, FL15 studies

Other studies in San Diego

• Non-Small Cell Lung Cancer49 studies
• Breast Cancer41 studies
• Prostate Cancer32 studies
• Cancer (all types)31 studies
• Metastatic Cancer29 studies
• Lung Cancer26 studies
• Pancreatic Cancer24 studies
• Obesity24 studies
• Ovarian Cancer24 studies
• Colorectal Cancer22 studies
• Heart Failure22 studies
• Type 2 Diabetes21 studies

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