Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jul 21, 2026, 9:31 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 59 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Treatment-resistant Depression (TRD) Clear all
Recruiting Not applicable Interventional

Magnetic Seizure Therapy in Bipolar Depression (MST-BpD) and Treatment Resistant Depression (MST-TRD)

NCT04080778
View directory record Official record
Conditions
Bipolar Disorder
Interventions
magnetic seizure therapy (MST), electroconvulsive therapy (ECT)
Device
Lead sponsor
Joao L. DeQuevedo
Other
Eligibility
22 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Jul 21, 2026, 9:31 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 Jun 3, 2026 · Synced Jul 21, 2026, 9:31 PM EDT
Terminated Not applicable Interventional Results available

Maintenance TMS in Treatment Resistant Depression

NCT06682299
View directory record Official record
Conditions
Treatment Resistant Depression (TRD)
Interventions
Transmagnetic Stimulation, Electroconvulsive Therapy
Device
Lead sponsor
Austin Messner
Other
Eligibility
18 Years to 65 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Jul 21, 2026, 9:31 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 Jul 21, 2026, 9:31 PM EDT
Completed Not applicable Interventional Results available

Stanford Accelerated Intelligent Neuromodulation Therapy for Treatment-Resistant Depression: OL Cohort

NCT03240692
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
Accelerated theta-burst stimulation treatment
Device
Lead sponsor
Stanford University
Other
Eligibility
22 Years to 80 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 20, 2022 · Synced Jul 21, 2026, 9:31 PM EDT
Not yet 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 Jul 1, 2026 · Synced Jul 21, 2026, 9:31 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 Jul 21, 2026, 9:31 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 Jul 21, 2026, 9:31 PM EDT
Completed Phase 2 Interventional Results available

Double-Blind, Placebo-Controlled Trial of Ketamine Therapy in Treatment-Resistant Depression (TRD)

NCT01920555
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
Ketamine, Placebo Midazolam
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
6
States / cities
Palo Alto, California • New Haven, Connecticut • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 18, 2018 · Synced Jul 21, 2026, 9:31 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 Jun 24, 2026 · Synced Jul 21, 2026, 9:31 PM EDT
Completed No phase listed Observational Results available

Treatment-Resistant Depression Registry

NCT00320372
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Not listed
Lead sponsor
Cyberonics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
795 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
55
States / cities
Tucson, Arizona • Beverly Hills, California • Garden Grove, California + 46 more
Source: ClinicalTrials.gov public record
Updated Dec 22, 2015 · Synced Jul 21, 2026, 9:31 PM EDT
Completed Phase 2 Interventional Results available

A Randomized, Placebo-Controlled, Double-Blind Study to Assess Safety and Efficacy of PCN-101 in TRD

NCT05414422
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
PCN-101, Placebo
Drug
Lead sponsor
Perception Neuroscience
Industry
Eligibility
18 Years to 65 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
13
States / cities
Little Rock, Arkansas • Garden Grove, California • La Jolla, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2024 · Synced Jul 21, 2026, 9:31 PM EDT
Active, not recruiting Phase 3 Interventional

Efficacy, Safety, and Tolerability of Two Administrations of COMP360 in Participants With TRD

NCT05711940
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
Psilocybin
Drug
Lead sponsor
COMPASS Pathways
Industry
Eligibility
18 Years and older
Enrollment
572 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
62
States / cities
Gilbert, Arizona • Bellflower, California • Encino, California + 50 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2026 · Synced Jul 21, 2026, 9:31 PM EDT
Terminated No phase listed Observational

The RECOVER sUb-study, Which Leverages quaNtitative and Credible Research tOols From Verily, Will providE Assessment measuRes for Depressive Episodes

NCT04753385
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
Not listed
Lead sponsor
LivaNova
Industry
Eligibility
18 Years and older
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
33
States / cities
Birmingham, Alabama • Costa Mesa, California • Los Angeles, California + 29 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Jul 21, 2026, 9:31 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 Jul 21, 2026, 9:31 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 8, 2026 · Synced Jul 21, 2026, 9:31 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 Jul 21, 2026, 9:31 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 Jul 21, 2026, 9:31 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 Jul 21, 2026, 9:31 PM EDT
Not yet recruiting Phase 1 Interventional

Ketamine Biomarker Validation

NCT07307768
View directory record Official record
Conditions
Treatment Resistant Depression (TRD)
Interventions
Ketamine (0.25 mg/kg), Ketamine (0.5 mg/kg), Ketamine (0.75 mg/kg)
Drug
Lead sponsor
Soterix Medical
Industry
Eligibility
18 Years to 59 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 28, 2025 · Synced Jul 21, 2026, 9:31 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 Jul 21, 2026, 9:31 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 Jul 21, 2026, 9:31 PM EDT
Recruiting Not applicable Interventional

A Prospective, Multi-center, Randomized Controlled Blinded Trial Demonstrating the Safety and Effectiveness of VNS Therapy® System as Adjunctive Therapy Versus a No Stimulation Control in Subjects With Treatment-Resistant Depression

NCT03887715
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
Vagus Nerve Stimulation (VNS)
Device
Lead sponsor
LivaNova
Industry
Eligibility
18 Years and older
Enrollment
6,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2030
U.S. locations
101
States / cities
Birmingham, Alabama • Huntsville, Alabama • Burlingame, California + 85 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Jul 21, 2026, 9:31 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 Jul 21, 2026, 9:31 PM EDT