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Major Depressive Disorder clinical trials in Philadelphia, PA

23 studies for Major Depressive Disorder are looking for participants at sites in and around Philadelphia (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 →

Major Depressive Disorder trials in other cities

• New York City, NY36 studies
• Boston, MA31 studies
• Atlanta, GA25 studies
• Orlando, FL19 studies
• Miami, FL18 studies
• Chicago, IL17 studies
• Tampa, FL17 studies
• San Diego, CA16 studies
• Houston, TX16 studies
• Little Rock, AR14 studies
• Austin, TX13 studies
• Las Vegas, NV13 studies

Other studies in Philadelphia

• Cancer (all types)59 studies
• Breast Cancer56 studies
• Non-Small Cell Lung Cancer51 studies
• Metastatic Cancer46 studies
• Prostate Cancer44 studies
• Colorectal Cancer44 studies
• Ovarian Cancer44 studies
• Lung Cancer36 studies
• Acute Myeloid Leukemia34 studies
• Heart Failure31 studies
• Endometrial Cancer28 studies
• Depression26 studies

From ClinicalTrials.gov, data retrieved Oct 6, 2026. Each study sets its own eligibility; the study team decides who can join.