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major depressive disorder

Total Trials
26
Recruiting Now
26
Trial Phases
Phase 4, Phase 3, 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 (2 trials), Phase 2 (3 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
2
Phase 2
3
Phase 3
5
Phase 4
2
Top Sponsors
NYU Langone Health 2 trials
Stanford University 2 trials
Fundación de Investigación Biomédica - Hospital Universitario de La Princesa 1 trial
University Hospital, Montpellier 1 trial
University of North Carolina, Chapel Hill 1 trial

Recruiting Clinical Trials

NCT06450704
Recruiting
Cerebral and Anti-inflammatory Response Through Exercise - Mechanisms In Depressive Disorders
Enrollment
124 pts
Location
Spain
Sponsor
Fundación de Investigación Bio...
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NCT05004987 Phase 4
Recruiting
Aβ Dynamics in LLMD
Enrollment
60 pts
Location
United States
Sponsor
NYU Langone Health
View Trial →
NCT06183359
Recruiting
Self-Identification Program
Enrollment
86 pts
Location
France
Sponsor
University Hospital, Montpelli...
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NCT06979154
Recruiting
Pilot Study of Personalized Aperiodic Transcranial Alternating Current Stimulation in Antenatal Depression (PandA-tACS)
Enrollment
10 pts
Location
United States
Sponsor
University of North Carolina, ...
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NCT07572526
Recruiting
tDCS: Sleep to Mood in Depression (S2M-D)
Enrollment
35 pts
Location
United States
Sponsor
NYU Langone Health
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NCT06966401 Phase 3
Recruiting
Long-Term Study to Assess the Safety and Tolerability of NBI-1065845 as an Adjunctive Treatment in Participants With Major Depressive Disorder (MDD)
Enrollment
850 pts
Location
United States, Belgi...
Sponsor
Neurocrine Biosciences
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NCT06480500 Phase 2
Recruiting
i-CBT and IV Ketamine for Suicidality in Treatment-Resistant Depression: A Randomized, Midazolam-Controlled Clinical Trial
Enrollment
110 pts
Location
Canada
Sponsor
University Health Network, Tor...
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NCT06724666
Recruiting
Transdiagnostic Internet-delivered Intervention for Adolescents With Anxiety and Depression
Enrollment
198 pts
Location
Romania
Sponsor
Babes-Bolyai University
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NCT06454695
Recruiting
Improving Treatment of Major Depressive Disorder by Reducing Negative Future-Oriented Mental Imagery
Enrollment
50 pts
Location
Netherlands
Sponsor
Academisch Medisch Centrum - U...
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NCT06695767
Recruiting
Neurobehavioral Therapy For Epilepsy And Major Depressive Disorder
Enrollment
16 pts
Location
United States
Sponsor
The University of Texas Health...
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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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NCT04296604
Recruiting
Transcranial Direct Current Stimulation (tDCS) Neuromodulation of Executive Function Across Neuropsychiatric Populations
Enrollment
600 pts
Location
United States
Sponsor
Massachusetts General Hospital
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NCT07204314 Phase 3
Recruiting
A Study of Vortioxetine in Japanese Pediatric Patients With Major Depressive Disorder
Enrollment
180 pts
Location
Japan
Sponsor
Takeda
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NCT05028738
Recruiting
Patient-oriented Randomized Pragmatic Feasibility Trial with RTMS in Depression and Anxiety
Enrollment
100 pts
Location
Canada
Sponsor
University of British Columbia
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NCT06763081
Recruiting
Pharmacogenomics of Selective Serotonin Reuptake Inhibitor (SSRI)-Induced Behavioural Activation
Enrollment
160 pts
Location
Canada
Sponsor
University of Manitoba
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NCT06417437 Phase 4
Recruiting
Non-invasive BCI and Application Verification for Depressed People
Enrollment
400 pts
Location
China
Sponsor
Shanghai Mental Health Center
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NCT07242105
Recruiting
Optimizing Brain Excitability in Depression
Enrollment
145 pts
Location
United States
Sponsor
Stanford University
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NCT07076407 Phase 3
Recruiting
A Randomized Study of Azetukalner Versus Placebo in Major Depressive Disorder (X-NOVA3)
Enrollment
450 pts
Location
United States, Finla...
Sponsor
Xenon Pharmaceuticals Inc.
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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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NCT06816329
Recruiting
Stress Dynamics and Familial Risk for Depression in Female Adolescents
Enrollment
148 pts
Location
United States
Sponsor
Mclean Hospital
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NCT07305701
Recruiting
Cohort Study on Medical Students' Mental Health
Enrollment
10,000 pts
Location
France
Sponsor
Centre Hospitalier Régional d'...
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NCT04061148
Recruiting
Near Infrared Spectroscopy (NIRS) for Assessment of Depression
Enrollment
90 pts
Location
United States
Sponsor
University of California, San ...
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NCT04685148 Phase 1, Phase 2
Recruiting
Maternal Mental Health Trial
Enrollment
220 pts
Location
Denmark
Sponsor
Vibe G Frøkjær, MD, PhD
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NCT06529029 Phase 2, Phase 3
Recruiting
Low Amplitude Pulse Seizure Therapy Versus Standard Ultra-Brief Right Unilateral Electroconvulsive Therapy
Enrollment
30 pts
Location
United States
Sponsor
Michigan State University
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NCT07017478 EARLY_Phase 1
Recruiting
Mood Effects of Serotonin Agonists: Depression
Enrollment
48 pts
Location
United States
Sponsor
University of Chicago
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NCT06093906
Recruiting
Positive Processes and Transition to Health (PATH)
Enrollment
135 pts
Location
United States
Sponsor
Case Western Reserve Universit...
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Related Conditions

depression (3) major depressive episode (2) anxiety disorders (2) generalized anxiety disorder (2) epilepsy (2) bipolar disorder (2) bipolar depression (2) suicidal ideation (2) inflammatory response (1) alzheimer disease (1) third wave cognitive behavioral therapy (1) antenatal depression (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