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Showing 1–24 of 307 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Treatment-resistant Depression Clear all
Terminated Phase 4 Interventional Results available

Tianeptine for Treatment Resistant Depression

NCT04249596
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
Tianeptine Sodium
Drug
Lead sponsor
Jonathan A. Javitch, MD, PhD
Other
Eligibility
21 Years to 60 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
3
States / cities
Stanford, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Jun 10, 2026, 10:00 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Anesthesia and Functional Connectivity: An Analysis of fMRI Changes

NCT02196259
View directory record Official record
Conditions
Changes in Brain Network Connectivity
Interventions
Anesthetics, Dissociative
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 1, 2017 · Synced Jun 10, 2026, 10:00 AM EDT
Completed Phase 4 Interventional Results available

A Study of Esketamine Nasal Spray, Administered as Monotherapy, in Adult Participants With Treatment-resistant Depression

NCT04599855
View directory record Official record
Conditions
Depressive Disorder, Treatment-Resistant
Interventions
Esketamine 56 mg, Esketamine 84 mg, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older
Enrollment
477 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
54
States / cities
Birmingham, Alabama • Huntsville, Alabama • Little Rock, Arkansas + 44 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced Jun 10, 2026, 10:00 AM EDT
Completed Phase 2 Interventional Results available

Study of Efficacy, Safety, Tolerability and Pharmacokinetics of MIJ821 in Participants With Treatment- Resistant Depression (TRD)

NCT05454410
View directory record Official record
Conditions
Treatment-Resistant Depression
Interventions
MIJ821 Subcutaneous Injection 1 mg, MIJ821 Subcutaneous Injection 4 mg, MIJ821 Subcutaneous Injection 10 mg, Placebo Subcutaneous Injection
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
3
States / cities
Birmingham, Alabama • Oakland Park, Florida • Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Apr 12, 2025 · Synced Jun 10, 2026, 10:00 AM EDT
Recruiting Not applicable Interventional

Brain Stimulation for Severe Depression

NCT05393622
View directory record Official record
Conditions
Depression Severe
Interventions
INTRACALVARIAL PREFRONTAL CORTICAL STIMULATION (IpCS) IN SEVERE TREATMENT-RESISTANT DEPRESSION
Device
Lead sponsor
Inner Cosmos Inc
Industry
Eligibility
21 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
2
States / cities
Boston, Massachusetts • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Jun 10, 2026, 10:00 AM 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 28, 2026 · Synced Jun 10, 2026, 10:00 AM EDT
Completed Not applicable Interventional

Exercise to Augment TMS in Those With Treatment Resistant Depression

NCT05913401
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
Aerobic Exercise, Video Watching
Behavioral
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Jun 10, 2026, 10:00 AM EDT
Completed Phase 4 Interventional

Sequenced Treatment Alternatives to Relieve Depression (STAR*D)

NCT00021528
View directory record Official record
Conditions
Depression
Interventions
citalopram, BuproprionSR, buspirone, Lithium, mirtazapine, nortriptyline, sertraline, tranylcypromine, VenlafaxineXR, Cognitive Therapy, T3 (Triiodothyronine)
Drug · Behavioral
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 75 Years
Enrollment
4,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
41
States / cities
Birmingham, Alabama • Tuscaloosa, Alabama • Chula Vista, California + 20 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2009 · Synced Jun 10, 2026, 10:00 AM EDT
Active, not recruiting Not applicable Interventional

DBS for TRD With the Medtronic Summit RC+S

NCT04106466
View directory record Official record
Conditions
Major Depressive Disorder, Treatment Resistant Depression
Interventions
Medtronic Summit RC+S DBS system
Device
Lead sponsor
Helen Mayberg, MD
Other
Eligibility
25 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Jun 10, 2026, 10:00 AM EDT
Terminated Not applicable Interventional Results available

Cysteamine Therapy for Major Depressive Disorder

NCT00715559
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
cysteamine bitartrate
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 6, 2017 · Synced Jun 10, 2026, 10:00 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Intranasal Esketamine to Maintain the Antidepressant Response to IV Racemic Ketamine

NCT04856124
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
Intranasal esketamine
Drug
Lead sponsor
Psych Atlanta
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Marietta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 22, 2021 · Synced Jun 10, 2026, 10:00 AM EDT
Completed Not applicable Interventional

Effectiveness of Acupuncture for Depressed Patients Taking Antidepressant Medications

NCT01633996
View directory record Official record
Conditions
Depression
Interventions
Acupuncture
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 5, 2012 · Synced Jun 10, 2026, 10:00 AM EDT
Completed Phase 2 Interventional Results available

Reclaim Deep Brain Stimulation Clinical Study for Treatment-Resistant Depression

NCT00837486
View directory record Official record
Conditions
Depression
Interventions
Reclaim™ DBS System
Device
Lead sponsor
MedtronicNeuro
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
5
States / cities
Charlestown, Massachusetts • Cleveland, Ohio • Philadelphia, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Jun 10, 2026, 10:00 AM EDT
Completed Not applicable Interventional Results available

Trial of Low Field Magnetic Stimulation Augmentation of Antidepressant Therapy in Treatment-Resistant Depression

NCT01654796
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
Low Field Magnetic Stimulation (LFMS), Sham LFMS
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
6
States / cities
Birmingham, Alabama • New Haven, Connecticut • Atlanta, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2017 · Synced Jun 10, 2026, 10:00 AM 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 Jun 10, 2026, 10:00 AM EDT
Completed Not applicable Interventional Results available

Insulin Resistance in Patients With Mood Disorder

NCT00242619
View directory record Official record
Conditions
Depression, Bipolar Disorder, Insulin Resistance
Interventions
rosiglitazone
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 60 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 13, 2017 · Synced Jun 10, 2026, 10:00 AM EDT
Completed Phase 2 Interventional Results available

Low Dose Intravenous Ketamine in Treatment Resistant Depression Patients

NCT02935595
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
Ketamine
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 60 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 12, 2022 · Synced Jun 10, 2026, 10:00 AM 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 Jun 10, 2026, 10:00 AM EDT
Completed Phase 4 Interventional Results available

A Study of Infliximab for Treatment Resistant Major Depression

NCT00463580
View directory record Official record
Conditions
Depression
Interventions
Infliximab, Placebo
Drug
Lead sponsor
Emory University
Other
Eligibility
25 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 7, 2025 · Synced Jun 10, 2026, 10:00 AM EDT
Not listed Phase 2 Interventional

An Evaluation of AXS-05 for the Treatment of TRD in Treatment-Adherent Patients

NCT04971291
View directory record Official record
Conditions
Major Depressive Disorder, Treatment Resistant Depression
Interventions
AXS-05, Bupropion SR
Drug
Lead sponsor
Axsome Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 25, 2021 · Synced Jun 10, 2026, 10:00 AM EDT
Recruiting Phase 2 Interventional

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

NCT06511908
View directory record Official record
Conditions
Suicide, Depressive Disorder, Treatment-Resistant, Ketamine, Molecular Mechanisms of Pharmacological Action, Neurotransmitter Agents, Excitatory Amino Acid Agents, Physiological Effects of Drugs, Depressive Disorder, Major, Depressive Disorder, Depression, Mental Disorders, Mood Disorders, Behavioral Symptoms
Interventions
(2R,6R)-hydroxynorketamine (0.25 to 2.0 mg/kg), Placebo
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Jun 10, 2026, 10:00 AM EDT
Completed Phase 1 Interventional Results available

Slow Wave Induction by Propofol to Eliminate Depression (SWIPED) I

NCT04680910
View directory record Official record
Conditions
Treatment-resistant Depression
Interventions
Propofol, Electroencephalography (EEG), Slow-Wave Activity
Drug · Diagnostic Test
Lead sponsor
Washington University School of Medicine
Other
Eligibility
60 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Jun 10, 2026, 10:00 AM EDT
Completed Phase 4 Interventional Results available

Aripiprazole Augmentation of SSRI Therapy in Treatment Refractory Depression

NCT00608543
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Aripiprazole
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 25, 2012 · Synced Jun 10, 2026, 10:00 AM EDT
Terminated Not applicable Interventional

Lamotrigine in Treatment Resistant Depression in Adolescents

NCT00284791
View directory record Official record
Conditions
Adolescent Depression
Interventions
Lamotrigine (drug), Fluoxetine (drug), sertraline (drug)
Drug
Lead sponsor
MaineHealth
Other
Eligibility
13 Years to 18 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Portland, Maine
Source: ClinicalTrials.gov public record
Updated May 16, 2017 · Synced Jun 10, 2026, 10:00 AM EDT