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Major Depressive Disorder clinical trials in Naples, FL
4 studies for Major Depressive Disorder 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 →
A Study of Brenipatide (LY3537031) in Adult Participants With Major Depressive Disorder
RecruitingPhase 3
- CLA Research, Naples
A Study of a Deuterated Psilocin Analog (CYB003) in Humans With Major Depressive Disorder
RecruitingPhase 3
- Aqualane Clinical Research, Naples
A Study of Brenipatide in Adult Participants With Major Depressive Disorder
RecruitingPhase 3
- CLA Research, Naples
A Phase 2 Study of Zelquistinel or Placebo for the Reduction of Symptoms of Major Depressive Disorder
RecruitingPhase 2
- Aqualane Clinical Research, Naples
Major Depressive Disorder trials in other cities
- New York City, NY37 studies
- Boston, MA31 studies
- Atlanta, GA25 studies
- Philadelphia, PA23 studies
- Orlando, FL19 studies
- Miami, FL18 studies
- Tampa, FL17 studies
- Chicago, IL17 studies
- Houston, TX16 studies
- San Diego, CA16 studies
- Little Rock, AR14 studies
- Las Vegas, NV13 studies
Other studies in Naples
- Alzheimer's Disease7 studies
- Interstitial Lung Diseases5 studies
- Multiple Sclerosis4 studies
- Cardiovascular Disease4 studies
- Obesity4 studies
- Overweight4 studies
- Pulmonary Hypertension3 studies
- Atrial Fibrillation3 studies
- Heart Failure3 studies
- Aortic Valve Stenosis3 studies
- Parkinson's Disease3 studies
- Neurologic Diseases3 studies
From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.