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ClinicalTrials.gov 14 recruiting now early-phase tilt

Depressive Disorder, Major: early-phase trial registry

14 of 53 indexed Depressive Disorder, Major trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #265 of 28,707 conditions by registered trial count.

53 US clinical trials · 14 currently recruiting · #265 of 28,707 conditions by registered trial count

Depressive Disorder, Major: 53 US clinical trials tracked, 14 recruiting.

Depressive Disorder, Major is the subject of 53 registered US clinical trials on ClinicalTrials.gov, 14 of them currently open to new participants. 13 are in Phase 3-4 (later-stage) and 22 in Phase 1-2 (earlier-stage). The most active sponsor is Janssen Research & Development, running 11 of these trials.

Enrollment posture brief

Registry condition depressive-disorder-major

OPEN 14 | RECR 26% | LATE 13 | EARLY 22 | RANK #265 | SPON 11

Nearest open-share peer: Anatomic Stage IIA Breast Cancer AJCC v8 (26% recruiting · 34 trials)

Mental Health Issue73.6%Metastatic Solid Tumor69.8%Hidradenitis Suppurativa54.7%Depressive Disorder, Maj (th…26%Medication Adherence24.5%
Open-enrollment share among volume-matched conditions near Depressive Disorder, Major

Depressive Disorder, Major lists 14 open slots (26% of 53 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Depressive Disorder, Major on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.

  1. Depressive Disorder, Major is recruiting below its size-band peers.

    14 of 53 indexed trials (26.4%) are open to enrollment, against a 39.7% average across 762 conditions with 20-99 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

  2. One sponsor concentrates Depressive Disorder, Major research.

    Janssen Research & Development accounts for 11 of 53 trials (20.8%). 32 distinct sponsors appear on at least one study for this condition label.

  3. Typical Depressive Disorder, Major enrolment sits around 124 participants.

    Median target enrolment is 124 among the 53 trials that report a genuine target (sentinel values excluded). 23 of those (43.4%) plan for fewer than 100 participants.

  4. Depressive Disorder, Major research is mostly interventional.

    45 interventional and 8 observational studies make up this index (84.9% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 16Phase 216Phase 312Phase 41

Open and recent trials

53 total, page 1 of 2

RECRUITING Phase 3 1,000 participants

A Study of Brenipatide in Adult Participants With Major Depressive Disorder

Eli Lilly and Company

NCT07412756

RECRUITING Phase 3 752 participants

Phase 3 Study of Adjunctive Treatment With Seltorexant in Adult and Elderly Participants With Major Depressive Disorder and Insomnia Symptoms

Janssen Research & Development

NCT06559306

RECRUITING Phase 3 258 participants

A Study to Evaluate the Efficacy and Safety of Esketamine for Reduction of Symptoms of Major Depressive Disorder

Janssen Research & Development

NCT07227454

RECRUITING NA 170 participants

Self Neuro-modulation Therapy for Major Depressive Disorder (MDD) With Anhedonia

GrayMatters Health

NCT06982820

RECRUITING Phase 2 124 participants

A Study to Explore the Efficacy of JNJ-89495120 in the Treatment of Major Depressive Disorder

Janssen Research & Development

NCT06785012

RECRUITING Phase 2 112 participants

Pharmaco-Neuroimaging Studies of Approach/Avoidance Behaviors and Post-Mortem Studies: Pharmacological Manipulation

Mclean Hospital

NCT05232032

RECRUITING Phase 2 100 participants

Cognitive Dysfunction and Inflammation in Depression: Experimental Inhibition Via Infliximab

Massachusetts General Hospital

NCT06136546

RECRUITING 80 participants

A Study to Evaluate Sleep Electroencephalogram (EEG) Features (Brain Activity While Sleeping) in Participants With Major Depressive Disorder (MDD)

Janssen Research & Development

NCT07258485

RECRUITING NA 80 participants

InMotion - Telehealth Delivered Exercise Promotion to Treat Major Depression After TBI

University of Washington

NCT06005194

RECRUITING Phase 2 50 participants

Investigation of the Antidepressant Effects of (2R,6R)-HNK, an Enhancer of Synaptic Glutamate Release, in Treatment-Resistant Depression

National Institute of Mental Health (NIMH)

NCT06511908

RECRUITING Phase 1 50 participants

Alpha-Amino-3-Hydroxy-5-Methyl-4- Isoxazole Propionic Acid Receptor Components of the Anti-Depressant Ketamine Response

Yale University

NCT05915013

RECRUITING NA 50 participants

Biomarkers of Depression and Treatment Response

University of California, San Francisco

NCT04581902

RECRUITING NA 24 participants

Dosing rTMS for Depression Post-SCI

VA Office of Research and Development

NCT05553353

RECRUITING NA 20 participants

Acceptability and Feasibility of Work-Oriented Social-Cognitive Skills Training for Veterans With Serious Mental Illness

VA Office of Research and Development

NCT05491538

ACTIVE NOT RECRUITING Phase 3 840 participants

A Study of Aticaprant in Adult and Elderly Participants With Major Depressive Disorder (MDD)

Janssen Research & Development

NCT05518149

ACTIVE NOT RECRUITING 545 participants

A Study in Participants With Major Depressive Disorder (MDD) With Anhedonia and Inadequate Response to Current Antidepressant Therapy Including a Selective Serotonin Reuptake Inhibitor (SSRI) or Serotonin Norepinephrine Reuptake Inhibitor (SNRI)

Janssen Research & Development

NCT05841030

ACTIVE NOT RECRUITING Phase 3 240 participants

Psilocybin for Major Depressive Disorder (MDD)

Usona Institute

NCT06308653

ACTIVE NOT RECRUITING NA 45 participants

Treatment of Acute Mood Depressive Episode in Borderline Personality Disorder With rTMS

Stanford University

NCT04870255

ACTIVE NOT RECRUITING Phase 2 40 participants

Individualized Functional Connectivity Targeting in aiTBS for Depression

Brigham and Women's Hospital

NCT05680727

ACTIVE NOT RECRUITING Phase 1 20 participants

Altering Default Mode Network Activity With Transcranial Focused Ultrasound to Reduce Depressive Symptoms

University of Arizona

NCT06320028

COMPLETED Phase 3 837 participants

Study of the Safety and Efficacy of Fixed-dose Brexpiprazole (OPC-34712) as Adjunctive Therapy in the Treatment of Adults With Major Depressive Disorder With and Without Anxious Distress

Otsuka Pharmaceutical Development & Commercialization

NCT02196506

COMPLETED 715 participants

Sleep Signal Analysis for Current Major Depressive Episode (SAMDE)

Medibio Limited

NCT05708222

COMPLETED Phase 2 602 participants

Efficacy of Lu AA21004 on Cognitive Dysfunction in Major Depressive Disorder

Takeda

NCT01564862

COMPLETED Phase 3 545 participants

A Study of Eszopiclone in Subjects With Insomnia Related to Major Depressive Disorder

Sumitomo Pharma America

NCT00368030

COMPLETED Phase 2 523 participants

A Safety, Efficacy and Tolerability Study of SEP-225289

Sumitomo Pharma America

NCT00584974

COMPLETED Phase 3 514 participants

Duloxetine Versus Placebo in the Prevention of Recurrence of Major Depressive Disorder

Eli Lilly and Company

NCT00105989

COMPLETED Phase 3 469 participants

Safety and Efficacy Study of Vortioxetine (Lu AA21004) in Adults With Major Depressive Disorder

Takeda

NCT01179516

COMPLETED Phase 3 465 participants

A Study of Rapastinel as Adjunctive Therapy in Major Depressive Disorder (RAP-MD-01)

Naurex, Inc, an affiliate of Allergan

NCT02932943

COMPLETED Phase 3 444 participants

A Study of Aticaprant 10 Milligrams (mg) as Adjunctive Therapy in Adult Participants With MDD With Moderate-to-severe Anhedonia and Inadequate Response to Current Antidepressant Therapy

Janssen Research & Development

NCT05550532

COMPLETED 330 participants

Study to Evaluate Potential Predictors of Relapse in Participants With Major Depressive Disorder (MDD)

Janssen Research & Development

NCT02489305

COMPLETED Phase 2 287 participants

A Study to Evaluate the Efficacy and Safety of JNJ-42847922 as Adjunctive Therapy to Antidepressants in Adult Participants With Major Depressive Disorder Who Have Responded Inadequately to Antidepressant Therapy

Janssen Research & Development

NCT03227224

COMPLETED Phase 2 258 participants

OnabotulinumtoxinA as Treatment for Major Depressive Disorder in Adult Females

Allergan

NCT02116361

COMPLETED Phase 2 251 participants

AGN-241751 in the Treatment of Major Depressive Disorder

Syndeio Biosciences

NCT03586427

COMPLETED 240 participants

Mothers With a History of Depression and Their 10-14 Year Old Daughters

Stanford University

NCT01129752

COMPLETED Phase 3 226 participants

54135419SUI3001: A Study to Evaluate the Efficacy and Safety of Intranasal Esketamine in Addition to Comprehensive Standard of Care for the Rapid Reduction of the Symptoms of Major Depressive Disorder, Including Suicidal Ideation, in Adult Participants Assessed to be at Imminent Risk for Suicide

Janssen Research & Development

NCT03039192

COMPLETED Phase 2 224 participants

A Study to Test Different Doses of BI 1569912 in People With Depression

Boehringer Ingelheim

NCT06558344

COMPLETED Phase 2 181 participants

A Study to Explore the Efficacy of JNJ-67953964 in the Treatment of Depression

Janssen Research & Development

NCT03559192

COMPLETED Phase 2 164 participants

A Study of SLS-002 (Intranasal Racemic Ketamine) in Adults With Major Depressive Disorder at Imminent Risk of Suicide

Seelos Therapeutics

NCT04669665

COMPLETED Phase 2 132 participants

Study to Evaluate TNX-601 ER Monotherapy Versus Placebo in Patients With Major Depressive Disorder (MDD)

Tonix Pharmaceuticals

NCT05686408

COMPLETED NA 122 participants

Low Field Magnetic Stimulation (LFMS) in Subjects With Treatment-Resistant Depression (TRD)

Tal Medical

NCT02452892

COMPLETED 73 participants

Clinical and Biological Characteristics of Psychotic Depression

Stanford University

NCT00576095

COMPLETED Phase 2 70 participants

Effectiveness of Fluoxetine in Young People for the Treatment of Major Depression and Marijuana Dependence

University of Pittsburgh

NCT00149643

COMPLETED 57 participants

Insulin Resistance in Patients With Major Depression

Stanford University

NCT01106313

COMPLETED NA 56 participants

In-person vs. Remote Wellness Support

The University of Texas Health Science Center at San Antonio

NCT04526067

COMPLETED NA 42 participants

Preventing Depression in Methadone Maintenance Patients Receiving Hepatitis C Treatment - 1

National Institute on Drug Abuse (NIDA)

NCT00218556

COMPLETED Phase 1 36 participants

A Study of LY2216684 in Participants With Impaired Hepatic Function

Eli Lilly and Company

NCT01241435

COMPLETED NA 28 participants

Cognitive Therapy to Sustain the Antidepressant Effects of Intravenous Ketamine in Treatment-resistant Depression

Yale University

NCT03027362

COMPLETED Phase 1 24 participants

A Study to Evaluate the Effect of Food on LY2216684

Eli Lilly and Company

NCT01389765

COMPLETED Phase 1 22 participants

A Study to Evaluate the Effect of Activated Charcoal on the Absorption of LY2216684 in Healthy Subjects

Eli Lilly and Company

NCT01389752

COMPLETED Phase 1 20 participants

Patient Tolerability Study of GSK163090

GlaxoSmithKline

NCT00559299

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Phase Distribution

PhaseTrial count
Phase 1 6
Phase 2 16
Phase 3 12
Phase 4 1

Named interventions

Most-linked intervention names on Depressive Disorder, Major records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Placebo Drug
13 trials
Placebo Other
5 trials
LY2216684 Drug
3 trials
Aticaprant Drug
2 trials
Esketamine Drug
2 trials
placebo Drug
2 trials
Duloxetine Drug
2 trials
Intranasal device Device
1 trials

US sites by state

Facility locations filed on Depressive Disorder, Major trials. A trial with sites in several states counts in each.

California 30 trials
Florida 24 trials
Georgia 16 trials
Connecticut 15 trials
Massachusetts 11 trials
Colorado 11 trials
Alabama 10 trials
Texas 9 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Depressive Disorder, Major page

53 registered trials, 14 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Depressive Disorder, Major condition card totals 53 registered trials; most-linked intervention Placebo; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.