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major depressive disorder

Total Trials
26
Recruiting Now
26
Trial Phases
Phase 3, Phase 4, Phase 2

ClinicalMetric tracks all active clinical trials for major depressive disorder sourced from ClinicalTrials.gov. Research in this area spans early-phase safety investigations through large Phase 3 confirmatory trials, conducted by NIH-funded academic centers, independent investigators, and pharmaceutical sponsors worldwide. Each listing is updated daily as new studies open enrollment and existing ones reach capacity or complete follow-up.

Trial listings include the NCT identifier, current recruitment status, phase classification, primary and secondary endpoints, estimated enrollment size, participating countries, and direct links to the full protocol on ClinicalTrials.gov. Eligibility criteria — including age range, disease stage, and prior treatment requirements — are documented for every study to help patients and clinicians assess suitability before contacting a trial site.

Frequently Asked Questions — major depressive disorder Clinical Trials

How many clinical trials are currently recruiting for major depressive disorder?
ClinicalMetric currently tracks 26 actively recruiting clinical trials for major depressive disorder, sourced in real time from ClinicalTrials.gov. The total number of registered studies—including those not yet enrolling or in active follow-up—is 26. Trial availability changes daily as new studies open enrollment and existing ones reach capacity.
What trial phases are available for major depressive disorder?
major depressive disorder research spans Phase 1 (1 trial), Phase 2 (2 trials), Phase 3 (5 trials), Phase 4 (2 trials). Phase 1 studies evaluate safety and dosing in small groups, Phase 2 studies assess preliminary efficacy in 100–300 participants, and Phase 3 trials compare the new treatment against the standard of care in 300–3,000+ patients. Phase 4 post-approval studies monitor long-term outcomes in real-world populations.
How do I find out if I qualify for a major depressive disorder clinical trial?
Eligibility criteria for major depressive disorder trials vary by study and typically specify age range, disease stage or severity, prior treatment history, and specific diagnostic or laboratory parameters. Each listing on ClinicalMetric links to the full protocol on ClinicalTrials.gov, where inclusion and exclusion criteria are documented. Contact the sponsoring site's research coordinator directly to confirm your eligibility—your treating physician or specialist can also help identify the most appropriate trial based on your medical history and current treatment status.
Trial Phases
Phase 1
1
Phase 2
2
Phase 3
5
Phase 4
2
Top Sponsors
Nova Scotia Health Authority 2 trials
Unity Health Toronto 2 trials
Icahn School of Medicine at Mount Sinai 1 trial
West China Hospital 1 trial
Sharmin Ghaznavi 1 trial

Recruiting Clinical Trials

NCT05239780
Recruiting
Invasive Decoding and Stimulation of Altered Reward Computations in Depression Patients
Enrollment
10 pts
Location
United States
Sponsor
Icahn School of Medicine at Mo...
View Trial →
NCT06542094
Recruiting
Identifying Local Field Potential Biomarkers for Treatment-Resistant Major Depression With Deep Brain Stimulation
Enrollment
12 pts
Location
China
Sponsor
West China Hospital
View Trial →
NCT06247839 Phase 3
Recruiting
The Effects of Psilocybin on Self-Focus and Self-Related Processing in Major Depressive Disorder
Enrollment
20 pts
Location
United States
Sponsor
Sharmin Ghaznavi
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NCT04556890
Recruiting
Pain and Major Depressive Disorder
Enrollment
54 pts
Location
United States
Sponsor
University of California, Los ...
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NCT05603104 Phase 3
Recruiting
Intensified Pharmacological Treatment for Schizophrenia, Major Depressive Disorder and Bipolar Depression After a First-time Treatment Failure
Enrollment
1,254 pts
Location
Israel
Sponsor
Dr. Inge Winter
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NCT02752542 Phase 4
Recruiting
Personalized Indications for CBT and Antidepressants in Treating Depression
Enrollment
80 pts
Location
Canada
Sponsor
Nova Scotia Health Authority
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NCT05996900
Recruiting
Investigating the Neural Mechanisms of Repetitive Brain Stimulation With Invasive and Noninvasive Electrophysiology in Humans
Enrollment
49 pts
Location
United States
Sponsor
Stanford University
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NCT05527509
Recruiting
Risk and Resiliency Factors in the RCMP: A Prospective Investigation
Enrollment
960 pts
Location
Canada
Sponsor
University of Regina
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NCT06402955 Phase 2
Recruiting
Imaging Depression in Parkinson's Disease
Enrollment
120 pts
Location
United States
Sponsor
Yale University
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NCT06564818 Phase 3
Recruiting
"A Study of a Deuterated Psilocin Analog (CYB003) in Humans With Major Depressive Disorder"
Enrollment
220 pts
Location
United States
Sponsor
Cybin IRL Limited
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NCT05800925
Recruiting
Triage Survey for Psychiatry Research Eligibility
Enrollment
20,000 pts
Location
United States
Sponsor
Adams Clinical
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NCT05630963
Recruiting
Beyond Monoamines: The Role of the Nociceptin/Orphanin FQ Receptor in Major Depression
Enrollment
228 pts
Location
United States
Sponsor
Mclean Hospital
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NCT07221929
Recruiting
Exercise-priming of CBT for Depression: the CBT+ Trial
Enrollment
100 pts
Location
United States
Sponsor
University of Wisconsin, Madis...
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NCT06911112 Phase 3
Recruiting
NBI-1065845-MDD3025: Study to Assess the Efficacy and Safety of NBI-1065845 as an Adjunctive Treatment in Participants With Major Depressive Disorder (MDD)
Enrollment
200 pts
Location
United States
Sponsor
Neurocrine Biosciences
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NCT06897670
Recruiting
Identifying Cerebral Hemodynamic Patterns in Mood Disorders and Mild Cognitive Impairment: A Functional Near-Infrared Spectroscopy (fNIRS) Study
Enrollment
200 pts
Location
United States
Sponsor
Mayo Clinic
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NCT05913960
Recruiting
Accelerated Intermittent Theta-Burst Stimulation Ameliorate Major Depressive Disorder by Regulating CAMKII Pathway
Enrollment
90 pts
Location
China
Sponsor
First Affiliated Hospital of Z...
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NCT06404320
Recruiting
Physical Activity Program for TRD
Enrollment
30 pts
Location
Canada
Sponsor
Unity Health Toronto
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NCT05573074
Recruiting
Transcranial Near Infrared Radiation and Cerebral Blood Flow in Depression - R33
Enrollment
120 pts
Location
United States
Sponsor
NYU Langone Health
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NCT04480918
Recruiting
University of Iowa Interventional Psychiatry Service Patient Registry
Enrollment
1,000 pts
Location
United States
Sponsor
Mark Niciu
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NCT05017311 Phase 4
Recruiting
Optimized Predictive Treatment In Medications for Unipolar Major Depression (OPTIMUM-D)
Enrollment
400 pts
Location
Canada
Sponsor
Nova Scotia Health Authority
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NCT05613972
Recruiting
Integrated Suicide & Trauma Therapy for Suicide Risk
Enrollment
20 pts
Location
Canada
Sponsor
Unity Health Toronto
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NCT06480201 Phase 1
Recruiting
Gamma Oscillations as a Prognostic Marker for Ketamine Therapy in Treatment Resistant Depression
Enrollment
100 pts
Location
United States
Sponsor
Texas A&M University
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NCT05866575
Recruiting
Prediction of the Therapeutic Response in Depression Based on Neuro-computational Modeling Assessment of Motivation
Enrollment
136 pts
Location
France
Sponsor
Centre Hospitalier St Anne
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NCT00018057 Phase 2
Recruiting
Study of Neuro-Cognitive Correlates of Pediatric Anxiety Disorders
Enrollment
3,500 pts
Location
United States
Sponsor
National Institute of Mental H...
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NCT06050070
Recruiting
Targeting Large-scale Networks in Depression With Real-time Functional Magnetic Resonance Imaging (fMRI) Neurofeedback
Enrollment
58 pts
Location
United States
Sponsor
University of Michigan
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NCT06775379 Phase 3
Recruiting
A Randomized Study of Azetukalner Versus Placebo in Major Depressive Disorder
Enrollment
450 pts
Location
United States
Sponsor
Xenon Pharmaceuticals Inc.
View Trial →

Related Conditions

treatment resistant depression (4) bipolar depression (2) generalized anxiety disorder (2) trauma (2) bipolar disorder (2) chronic pain (1) schizophrenia and related disorders (1) persistent depressive disorder (1) epilepsy (1) posttraumatic stress disorder (1) panic disorder (1) traumatic stress disorder (1)
ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology