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Depression clinical trials in Naples, FL

3 studies for Depression are looking for participants at sites in and around Naples (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, MA52 studies
• New York City, NY45 studies
• Philadelphia, PA26 studies
• Chicago, IL24 studies
• Atlanta, GA24 studies
• Pittsburgh, PA22 studies
• San Diego, CA21 studies
• Charleston, SC19 studies
• Houston, TX18 studies
• Los Angeles, CA17 studies
• Orlando, FL17 studies
• Miami, FL16 studies

Other studies in Naples

• Alzheimer's Disease7 studies
• Interstitial Lung Diseases5 studies
• Cardiovascular Disease4 studies
• Major Depressive Disorder4 studies
• Multiple Sclerosis4 studies
• Overweight4 studies
• Obesity4 studies
• COPD3 studies
• Parkinson's Disease3 studies
• Neurologic Diseases3 studies
• Atrial Fibrillation3 studies
• Aortic Valve Stenosis3 studies

From ClinicalTrials.gov, data retrieved Oct 2, 2026. Each study sets its own eligibility; the study team decides who can join.