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ClinicalTrials.gov public records Last synced Sep 23, 2026, 5:02 PM EDT

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Showing 1–24 of 61 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Treatment Resistant Depression (TRD) Clear all
Withdrawn Phase 2 Interventional

N2O for Acute Suicidality and Depression in the ED

NCT05710887
View directory record Official record
Conditions
Suicidal Ideation, Major Depressive Disorder, Treatment Resistant Depression
Interventions
Nitrous oxide gas for inhalation, Placebo
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Sep 23, 2026, 5:02 PM EDT
Active, not recruiting Not applicable Interventional

Transcranial Electric Stimulation Therapy (TEST) for Treatment Resistant Depression (TRD)

NCT05172271
View directory record Official record
Conditions
Major Depressive Disorder, Bipolar Disorder, Unipolar Major Depression
Interventions
MagPro TMS Stimulator and coil, Thymatron(R) System IV, Magnetic Resonance Imaging Scanner, ECT device without stimulation
Device · Other
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
25 Years to 64 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Phase 4 Interventional Results available

A Study of Brexpiprazole Plus Ketamine in Treatment-Resistant Depression (TRD)

NCT03149991
View directory record Official record
Conditions
Depression
Interventions
Brexpiprazole, Ketamine, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
6
States / cities
Garden Grove, California • Oakland, California • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2020 · Synced Sep 23, 2026, 5:02 PM EDT
Recruiting No phase listed Observational

ATLAS-1: Advanced Trial for Longitudinal Assessment in Salma 1

NCT07528014
View directory record Official record
Conditions
Depressed Mood
Interventions
Not listed
Lead sponsor
Salma Health, Inc.
Other
Eligibility
18 Years and older
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2037
U.S. locations
2
States / cities
La Jolla, California • Laguna Hills, California
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Sep 23, 2026, 5:02 PM EDT
Completed No phase listed Observational

Long Term Follow Up Study to COMP 001 And COMP 003 Trials (P-TRD LTFU)

NCT04519957
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
Not listed
Lead sponsor
COMPASS Pathways
Industry
Eligibility
18 Years to 55 Years
Enrollment
66 participants
Timeline
2020 – 2022
U.S. locations
4
States / cities
La Jolla, California • San Diego, California • Atlanta, Georgia + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2022 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Phase 2Phase 3 Interventional Results available

ELEKT-D: Electroconvulsive Therapy (ECT) vs. Ketamine in Patients With Treatment Resistant Depression (TRD)

NCT03113968
View directory record Official record
Conditions
Treatment Resistant Depression, Electroconvulsive Therapy, ECT, Ketamine, Psychiatric Disorder, Depression, Major Depressive Disorder, Major Depressive Episode, Unipolar Depression
Interventions
electroconvulsive therapy (ECT), Ketamine
Procedure · Drug
Lead sponsor
Bo Hu
Other
Eligibility
21 Years to 75 Years
Enrollment
403 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
5
States / cities
New Haven, Connecticut • Baltimore, Maryland • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 27, 2023 · Synced Sep 23, 2026, 5:02 PM EDT
Recruiting Not applicable Interventional

taVNS or TMS or Both for Depression

NCT05725239
View directory record Official record
Conditions
Depression
Interventions
Vagus Nerve Stimulation, Transcranial Magnetic Stimulation
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Not applicable Interventional Results available

Deep Brain Stimulation (DBS) for Treatment-Resistant Depression (TRD)

NCT01898429
View directory record Official record
Conditions
Treatment Resistant Depression, Depressive Disorder, Treatment-Resistant, Depression, Bipolar
Interventions
SCC DBS
Device
Lead sponsor
Paul Holtzheimer
Other
Eligibility
22 Years to 70 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jul 24, 2019 · Synced Sep 23, 2026, 5:02 PM EDT
Recruiting Phase 1 Interventional

DBS for Depression

NCT06096207
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
Medtronic SenSight Directional DBS lead
Device
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2038
U.S. locations
1
States / cities
Queens, New York
Source: ClinicalTrials.gov public record
Updated Sep 13, 2026 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Phase 2 Interventional

Efficacy and Safety of Fixed Doses of BMS 820836 in the Treatment of Patients With Treatment Resistant Major Depression

NCT01369095
View directory record Official record
Conditions
Depression
Interventions
Duloxetine, Escitalopram, BMS-820836 Placebo, BMS-820836
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 65 Years
Enrollment
976 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
48
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Chino, California + 41 more
Source: ClinicalTrials.gov public record
Updated Oct 11, 2015 · Synced Sep 23, 2026, 5:02 PM EDT
Recruiting Not applicable Interventional

Spaced Transcranial Direct Current Stimulation for Treatment-Resistant Depression: A Home-Based Feasibility and Safety Study

NCT07217223
View directory record Official record
Conditions
Treatment Resistant Depression (TRD), Major Depressive Disorder (MDD)
Interventions
Spaced Transcranial Direct Current Stimulation (tDCS)
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Sep 23, 2026, 5:02 PM EDT
Active, not recruiting Phase 3 Interventional

Psilocybin-Assisted Therapy in Treatment-Resistant Depression

NCT06303739
View directory record Official record
Conditions
Refractory Depression, Treatment Resistant Depression
Interventions
psilocybin
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Not applicable Interventional

Exercise in Treatment Resistant Depression (TRD): A Feasibility Study

NCT01383811
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
Moderate Intensity Aerobic Exercise, Wait-list
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 5, 2014 · Synced Sep 23, 2026, 5:02 PM EDT
Not yet recruiting Phase 2Phase 3 Interventional

A Randomized, Double-Blind Controlled Comparison of NRX-101 vs. Placebo for Adults Being Treated With Robotic Transcranial Magnetic Stimulation for Treatment Resistant Depression: The SPARC-TMS Trial

NCT07227103
View directory record Official record
Conditions
Treatment Resistant Depression, Treatment Resistant Depression (TRD)
Interventions
Neuronavigated robotic-enabled TMS, NRX-101, Sham TMS, Oral Placebo
Device · Drug
Lead sponsor
NeuroRx, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
3
States / cities
Sarasota, Florida • West Palm Beach, Florida • Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Not applicable Interventional Results available

Intranasal Ketamine in Treatment-Resistant Depression

NCT01304147
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Ketamine, placebo
Drug
Lead sponsor
James Murrough
Other
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 7, 2017 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Phase 2 Interventional Results available

Optimizing the Effectiveness of Selective Serotonin Reuptake Inhibitors (SSRIs) in Treatment-Resistant Depression

NCT00093847
View directory record Official record
Conditions
Depression
Interventions
S-adenosyl methione (SAMe), Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 12, 2014 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Phase 3 Interventional

A Study to Assess the Efficacy and Safety of AXS-05 in Subjects With Treatment Resistant Major Depressive Disorder

NCT02741791
View directory record Official record
Conditions
Treatment Resistant Major Depressive Disorder
Interventions
AXS-05, Bupropion
Drug
Lead sponsor
Axsome Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
74
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Anaheim, California + 71 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2021 · Synced Sep 23, 2026, 5:02 PM EDT
Not yet recruiting Phase 2 Interventional

Ketamine-Assisted Psychotherapy for Treatment-Resistant Depression

NCT07247006
View directory record Official record
Conditions
Treatment Resistant Depression (TRD), Chronic Pain
Interventions
Ketamine hydrochloride injection
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Sep 23, 2026, 5:02 PM EDT
Not yet recruiting Not applicable Interventional

Home-Based Randomized Trial of Spaced Transcranial Direct Current Stimulation for Treatment-Resistant Depression

NCT07834762
View directory record Official record
Conditions
Treatment Resistant Depression (TRD), Major Depressive Disorder (MDD)
Interventions
Spaced Transcranial Direct Current Stimulation (tDCS), Sham Spaced tDCS
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 70 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Sep 23, 2026, 5:02 PM EDT
Terminated Phase 2 Interventional Results available

Proof-of-Concept Trial of CERC-501 Augmentation of Antidepressant Therapy in Treatment-Resistant Depression

NCT01913535
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
CERC-501, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
4
States / cities
Chicago, Illinois • Wichita, Kansas • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 23, 2026, 5:02 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 10, 2026 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Phase 2 Interventional

Mechanistic Evaluation of Response in TRD (MERIT)

NCT04608396
View directory record Official record
Conditions
Treatment Resistant Depression, Major Depressive Disorder
Interventions
AXS-05, Placebo
Drug
Lead sponsor
Axsome Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
20
States / cities
Little Rock, Arkansas • Redlands, California • Sherman Oaks, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jul 11, 2022 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Phase 2 Interventional

Efficacy, Safety and Tolerability of CX157 in Treatment Resistant Depression

NCT01246908
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
Placebo, CX157 (TriRima)
Drug
Lead sponsor
CeNeRx BioPharma Inc.
Industry
Eligibility
20 Years to 65 Years
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
30
States / cities
Escondido, California • National City, California • Oceanside, California + 25 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2012 · Synced Sep 23, 2026, 5:02 PM EDT
Active, not recruiting Not applicable Interventional

DBS of the Lateral Habenula in Treatment-Resistant Depression

NCT01798407
View directory record Official record
Conditions
Treatment Resistant Major Depressive Disorder
Interventions
Activa Tremor Control Sys (DBS Implant), Randomized, staggered withdrawal phase
Device · Other
Lead sponsor
Wayne Goodman MD
Other
Eligibility
21 Years to 70 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 27, 2025 · Synced Sep 23, 2026, 5:02 PM EDT