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Depression clinical trials in Tucson, AZ

3 studies for Depression are looking for participants at sites in and around Tucson (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
• San Diego, CA18 studies
• Houston, TX18 studies
• Los Angeles, CA17 studies
• Washington, DC16 studies
• San Francisco, CA15 studies

Other studies in Tucson

• Obesity20 studies
• Breast Cancer18 studies
• Non-Small Cell Lung Cancer18 studies
• Overweight17 studies
• Metastatic Cancer14 studies
• Type 2 Diabetes13 studies
• Cancer (all types)12 studies
• Prostate Cancer12 studies
• Colorectal Cancer11 studies
• Cardiovascular Disease11 studies
• Steatotic Liver Disease10 studies
• Acute Myeloid Leukemia10 studies

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