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Major Depressive Disorder clinical trials in Jacksonville, FL
12 studies for Major Depressive Disorder are looking for participants at sites in and around Jacksonville (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 →
Phase 3 Study of Adjunctive Treatment With Seltorexant in Adult and Elderly Participants With Major Depressive Disorder and Insomnia Symptoms
RecruitingPhase 3
- Clinical NeuroScience Solutions Inc, Jacksonville
A Study to Evaluate TNX-102 SL Monotherapy Versus Placebo in Participants With Major Depressive Disorder (MDD)
RecruitingPhase 2
- Clinical Neuroscience Solutions Inc. - Jacksonville, Jacksonville
A Study of a Deuterated Psilocin Analog (CYB003) in Humans With Major Depressive Disorder
RecruitingPhase 3
- CNS Healthcare, Jacksonville
A Study to Evaluate the Efficacy and Safety of SPT-300 (GlyphAllo) in Participants With Major Depressive Disorder, With or Without Anxious Distress (BUOY-1 Study)
RecruitingPhase 2
- Seaport Investigator Site, Jacksonville
A Phase 3 Trial of DT120 for Major Depressive Disorder (Ascend)
RecruitingPhase 3
- Clinical Neuroscience Solutions, LLC (Jacksonville), Jacksonville
A Randomized Study of Azetukalner Versus Placebo in Major Depressive Disorder
RecruitingPhase 3
- Clinical Neuroscience Solutions, Inc., Jacksonville
Zelquistinel or Placebo for the Reduction of Symptoms of Major Depressive Disorder
RecruitingPhase 2
- Clinical Neuroscience Solutions, Inc., Jacksonville
A Phase 2 Study of Zelquistinel or Placebo for the Reduction of Symptoms of Major Depressive Disorder
RecruitingPhase 2
- Clinical Neuroscience Solutions, Inc, Jacksonville
Clinical Assessment of Response in the Treatment of Depression With Daytime Sleepiness Using Solriamfetol
RecruitingPhase 3
- Clinical Research Site, Jacksonville
A Study to Assess Change in Disease Activity and Adverse Events of Oral Icalcaprant in Adult Participants With Major Depressive Disorder
RecruitingPhase 2
- Cns Healthcare - Jacksonville /ID# 277658, Jacksonville
Study of ABX-002 for the Adjunctive Treatment of Major Depressive Disorder (AMPLIFY)
RecruitingPhase 2
- Autobahn Site #101, Jacksonville
A Study to Evaluate the Efficacy of AXS-05 Compared to Bupropion in Preventing the Relapse of Depressive Symptoms
RecruitingPhase 4
- Clinical Research Site, Jacksonville
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 Jacksonville
- Breast Cancer40 studies
- Non-Small Cell Lung Cancer39 studies
- Cancer (all types)29 studies
- Metastatic Cancer28 studies
- Colorectal Cancer27 studies
- Prostate Cancer26 studies
- Obesity25 studies
- Heart Failure21 studies
- Pancreatic Cancer20 studies
- Overweight19 studies
- Multiple Myeloma18 studies
- Lung Cancer17 studies
From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.