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ClinicalTrials.gov public records Last synced Oct 21, 2026, 3:38 PM EDT

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Showing 73–96 of 169 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Treatment Resistant Major Depression Clear all
Recruiting Phase 2 Interventional

Psilocybin rTMS for Treatment Resistant Depression

NCT06132178
View directory record Official record
Conditions
Treatment Resistant Depression, MDD, Major Depressive Disorder, Recurrent Depression, Depression
Interventions
Psilocybin, Accelerated intermittent theta burst (aiTBS) rTMS treatment, Low-dose psilocybin, Sham Accelerated intermittent theta burst (aiTBS) rTMS treatment
Drug · Device
Lead sponsor
University of Texas at Austin
Other
Eligibility
22 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 26, 2025 · Synced Oct 21, 2026, 3:38 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

NMDA Receptor Antagonist Nitrous Oxide Targets Affective Brain Circuits

NCT02994433
View directory record Official record
Conditions
Depressive Disorder, Major, Depressive Disorder, Treatment-Resistant
Interventions
Nitrous Oxide, Placebo gas, MRI
Drug · Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 21, 2026, 3:38 PM EDT
Not yet recruiting Phase 2 Interventional

The BAARD Study : Evaluating a Computerized Approach to Treatment Selection in Older Adults With Treatment Resistant Depression.

NCT07810738
View directory record Official record
Conditions
Late Life Treatment Resistant Depression, Depression - Major Depressive Disorder, Treatment Resistant Depression
Interventions
Aripiprazole Augmentation, Bupropion Augmentation
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
60 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
2
States / cities
St Louis, Missouri • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 21, 2026, 3:38 PM EDT
Completed Phase 2 Interventional

Psilocybin for Treatment-Resistant Depression

NCT06230757
View directory record Official record
Conditions
Major Depressive Disorder, Anhedonia, Treatment Resistant Depression
Interventions
Psilocybin 25mg, Placebo (active placebo)
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 21, 2026, 3:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Repeated Ketamine Infusions for Comorbid PTSD and MDD in Veterans

NCT04032301
View directory record Official record
Conditions
Post-Traumatic Stress Disorders, Major Depressive Disorder
Interventions
Ketamine, Normal Saline
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 75 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 27, 2025 · Synced Oct 21, 2026, 3:38 PM EDT
Completed Not applicable Interventional

The RAFT ECT Study

NCT05402657
View directory record Official record
Conditions
Major Depressive Episode
Interventions
Frontoparietal Ultrabrief Right Unilateral (UBRUL-FP) electroconvulsive therapy, Temporoparietal Ultrabrief Right Unilateral (UBRUL-TP) electroconvulsive therapy
Procedure
Lead sponsor
The George Institute
Other
Eligibility
18 Years and older
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
3
States / cities
Atlanta, Georgia • Augusta, Georgia • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 21, 2026, 3:38 PM EDT
Completed Early Phase 1 Interventional

Dose-Ranging Trial of Creatine Augmentation for Adolescent Females With Treatment-Resistant Major Depressive Disorder

NCT01601210
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Creatine monohydrate or placebo
Drug
Lead sponsor
Perry Renshaw
Other
Eligibility
13 Years to 21 Years · Female only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 25, 2016 · Synced Oct 21, 2026, 3:38 PM EDT
Completed Phase 4 Interventional Results available

Comparative Effectiveness Research Trial for Antidepressant Incomplete and Non-responders With TRD

NCT02977299
View directory record Official record
Conditions
Treatment Resistant Major Depressive Disorder
Interventions
Aripiprazole, Repetitive transcranial magnetic stimulation (rTMS), Venlafaxine XR
Drug · Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
278 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
11
States / cities
Birmingham, Alabama • Los Angeles, California • Stanford, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Oct 21, 2026, 3:38 PM EDT
Completed No phase listed Observational

Deciphering Principles of Network Dynamics Underlying Depression Symptom Severity From Multi-day Intracranial Recordings in Patients With Major Depression

NCT06953362
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
Direct Neural Electrical Stimulation
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
22 Months to 70 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 1, 2025 · Synced Oct 21, 2026, 3:38 PM EDT
Recruiting Phase 4 Interventional

Biomarker-Guided Antidepressant Selection

NCT07680140
View directory record Official record
Conditions
Depression - Major Depressive Disorder, Treatment-resistant Depression (TRD), rTMS, Ketamine, fMRI
Interventions
TMS, Ketamine
Device · Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 70 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 21, 2026, 3:38 PM EDT
Completed Not applicable Interventional

Ketamine Anesthesia for Improvement of Depression in ECT

NCT02752724
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Ketamine, Methohexital
Drug
Lead sponsor
VA Puget Sound Health Care System
Federal
Eligibility
18 Years to 100 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 6, 2018 · Synced Oct 21, 2026, 3:38 PM EDT
Completed Phase 2 Interventional Results available

Antidepressant Effects of the Glycine Receptor Antagonist AV-101 (4-chlorokynurenine) in Major Depressive Disorder

NCT02484456
View directory record Official record
Conditions
Major Depression
Interventions
AV 101 (4-Chlorokynurenine), Placebo Comparator
Drug · Other
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 11, 2022 · Synced Oct 21, 2026, 3:38 PM EDT
Completed Phase 2 Interventional

AZD6765 for Treatment Resistant Depression

NCT00491686
View directory record Official record
Conditions
Depression
Interventions
AZD6765
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
21 Years to 65 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
5
States / cities
Glendale, California • Hartford, Connecticut • New Haven, Connecticut + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2011 · Synced Oct 21, 2026, 3:38 PM EDT
Completed Phase 2 Interventional

Efficacy and Safety of Flexibly Dosed BMS-820836 in the Treatment of Patients With Treatment Resistant Major Depression

NCT01309945
View directory record Official record
Conditions
Depression
Interventions
Duloxetine, Placebo matching with BMS-820836, BMS-820836, Placebo matching with Duloxetine
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 65 Years
Enrollment
889 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
55
States / cities
Little Rock, Arkansas • Arcadia, California • Encino, California + 42 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2015 · Synced Oct 21, 2026, 3:38 PM EDT
Completed Phase 4 Interventional Results available

Ketamine For Suicidal Ideation

NCT01507181
View directory record Official record
Conditions
Suicidal Ideation
Interventions
Ketamine, Midazolam
Drug
Lead sponsor
James Murrough
Other
Eligibility
18 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 8, 2017 · Synced Oct 21, 2026, 3:38 PM EDT
Recruiting Not applicable Interventional

Closed-Loop Deep Brain Stimulation for Treatment-Resistant Bipolar Depression

NCT07127913
View directory record Official record
Conditions
Bipolar II Disorder, Bipolar II Disorder, Most Recent Episode Major Depressive
Interventions
Device: Stimulation-ON, Device: Stimulation-OFF, Device: Stimulation -ON Active Control
Device
Lead sponsor
Andrew Krystal
Other
Eligibility
22 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2035
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 17, 2025 · Synced Oct 21, 2026, 3:38 PM EDT
Recruiting Not applicable Interventional

One-Day cTBS Over the Precuneus

NCT07758010
View directory record Official record
Conditions
Depressive Disorder, Treatment-Resistant, Treatment Resistant Depression (TRD), Treatment Resistant Major Depression Disorder
Interventions
Precuneus-targeted continuous theta-burst stimulation, Left dorsolateral prefrontal cortex intermittent theta-burst stimulation, Sham transcranial magnetic stimulation
Device
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 21, 2026, 3:38 PM EDT
Terminated Phase 1 Interventional

Assessment of the Safety and Effectiveness of Cortical Stimulation in Subjects With Major Depressive Disorder

NCT00380042
View directory record Official record
Conditions
Depression, Depressive Disorder
Interventions
Cortical Stimulation, Sham
Device
Lead sponsor
Northstar Neuroscience
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
3
States / cities
Boston, Massachusetts • Pittsburgh, Pennsylvania • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 31, 2009 · Synced Oct 21, 2026, 3:38 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

5-hydroxytryptophan and Creatine for Treatment Resistant Depression Associated With Hypoxia in Females

NCT02356107
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
5-hydroxytryptophan and Creatine monohydrate
Drug
Lead sponsor
Perry Renshaw
Other
Eligibility
18 Years to 64 Years · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 29, 2018 · Synced Oct 21, 2026, 3:38 PM EDT
Completed Not applicable Interventional

Lamotrigine Augmentation in Resistant Depression

NCT00901407
View directory record Official record
Conditions
Unipolar Depression
Interventions
lamotrigine, placebo, paroxetine
Drug
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years to 65 Years
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated May 13, 2009 · Synced Oct 21, 2026, 3:38 PM EDT
Completed No phase listed Observational

The Treatment of Children and Adolescents With Treatment-Resistant Depression

NCT00029640
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 21, 2026, 3:38 PM EDT
Terminated Phase 2 Interventional

A Safety and Efficacy Study of JNJ26489112 in Patients With Treatment-Resistant Major Depressive Disorder

NCT01114698
View directory record Official record
Conditions
Depression
Interventions
Venlafaxine XR, Placebo, JNJ26489112
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
14
States / cities
Arcadia, California • Escondido, California • San Diego, California + 11 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Oct 21, 2026, 3:38 PM EDT
Completed Phase 2 Interventional Results available

Ziprasidone Augmentation of SSRIs for Patients With Major Depressive Disorder (MDD) That do Not Sufficiently Respond to Treatment With SSRIs

NCT00633399
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Ziprasidone, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
458 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
2
States / cities
Birmingham, Alabama • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 3, 2014 · Synced Oct 21, 2026, 3:38 PM EDT
Completed No phase listed Observational

Using Neuroimaging to Investigate Major Depressive Disorder

NCT00781677
View directory record Official record
Conditions
Major Depressive Disorder, Depression, Anxiety
Interventions
Not listed
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 6, 2019 · Synced Oct 21, 2026, 3:38 PM EDT