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Depression clinical trials in San Diego, CA

21 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.

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, NY45 studies
• Philadelphia, PA25 studies
• Atlanta, GA23 studies
• Chicago, IL23 studies
• Pittsburgh, PA22 studies
• Charleston, SC19 studies
• Houston, TX18 studies
• Los Angeles, CA17 studies
• Orlando, FL17 studies
• San Francisco, CA15 studies
• Washington, DC15 studies

Other studies in San Diego

• Non-Small Cell Lung Cancer48 studies
• Breast Cancer41 studies
• Cancer (all types)32 studies
• Metastatic Cancer30 studies
• Prostate Cancer30 studies
• Colorectal Cancer25 studies
• Pancreatic Cancer24 studies
• Ovarian Cancer24 studies
• Lung Cancer23 studies
• Heart Failure23 studies
• Obesity23 studies
• Melanoma18 studies

From ClinicalTrials.gov, data retrieved Oct 1, 2026. Each study sets its own eligibility; the study team decides who can join.