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ClinicalTrials.gov public records Last synced Oct 20, 2026, 8:23 AM EDT

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Showing 1–24 of 26 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Refractory Major Depressive Disorder Clear all
Completed Not applicable Interventional

Pharmacogenetic Implementation Trial in Veterans With Treatment Refractory Depression

NCT04469322
View directory record Official record
Conditions
Depression, Depressive Disorder, Depressive Disorder, Major, Depression, Bipolar, Depressive Episode
Interventions
Mental Health DNA Insight Test (Pathway Genomics), Sham Test
Diagnostic Test
Lead sponsor
San Diego Veterans Healthcare System
Federal
Eligibility
18 Years and older
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 14, 2020 · Synced Oct 20, 2026, 8:23 AM EDT
Terminated Phase 2 Interventional Results available

Tocilizumab Augmentation in Treatment-Refractory Major Depressive Disorder

NCT02660528
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Tocilizumab
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
30 Years to 60 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 20, 2020 · Synced Oct 20, 2026, 8:23 AM EDT
Active, not recruiting Not applicable Interventional

Theta Burst Stimulation for Refractory Depression in Autism Spectrum Disorder

NCT06670040
View directory record Official record
Conditions
ASD, Autism Spectrum Disorder, Autism, Depression - Major Depressive Disorder, MDD
Interventions
Transcranial Magnetic Stimulation, Transcranial Magnetic Stimulation Sham
Procedure
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
13 Years to 26 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Oct 20, 2026, 8:23 AM EDT
Terminated Phase 2 Interventional Results available

Open-Label Safety Study of AXS-05 in Subjects With TRD (EVOLVE)

NCT04634669
View directory record Official record
Conditions
Treatment Resistant Depression, Major Depressive Disorder
Interventions
AXS-05 (dextromethorphan-bupropion)
Drug
Lead sponsor
Axsome Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
20
States / cities
Little Rock, Arkansas • Redlands, California • Sherman Oaks, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Oct 20, 2026, 8:23 AM 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 20, 2026, 8:23 AM EDT
Completed Not applicable Interventional Results available

Wake Therapy in the Treatment of Depression

NCT01431573
View directory record Official record
Conditions
Major Depressive Disorder, Bipolar Disorder
Interventions
Wake Therapy, light box, Lithium
Behavioral · Device · Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 75 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 18, 2021 · Synced Oct 20, 2026, 8:23 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 26, 2012 · Synced Oct 20, 2026, 8:23 AM 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 24, 2021 · Synced Oct 20, 2026, 8:23 AM EDT
Completed Phase 2 Interventional

An Investigation of the Antidepressant Efficacy of the 5-HT2A Antagonist, M100907, in Combination With Citalopram in Treatment Resistant Depression

NCT00070694
View directory record Official record
Conditions
Depressive Disorder
Interventions
MDL100.907
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 20, 2026, 8:23 AM EDT
Terminated Phase 4 Interventional

Sequential Tranylcypromine (TC), TC + Dextroamphetamine and TC + Triiodothyronine for Refractory Depression

NCT00296686
View directory record Official record
Conditions
Major Depression
Interventions
Tranylcypromine, Dextroamphetamine, Triiodothyronine
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 27, 2012 · Synced Oct 20, 2026, 8:23 AM EDT
Completed Phase 4 Interventional Results available

Optimizing Outcomes of Treatment-Resistant Depression in Older Adults

NCT02960763
View directory record Official record
Conditions
Treatment Resistant Depression, Major Depressive Disorder, Treatment-Refractory Depression, Late Life Depression, Geriatric Depression
Interventions
Aripiprazole Augmentation, Bupropion Augmentation, Switch to bupropion, Lithium Augmentation, Switch to nortriptyline
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
60 Years and older
Enrollment
742 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
4
States / cities
Los Angeles, California • St Louis, Missouri • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 3, 2024 · Synced Oct 20, 2026, 8:23 AM EDT
Completed Phase 2 Interventional

The Antidepressant Effects Of The NMDA Antagonist, CP-101,606, In Patients With MDD

NCT00163059
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
NMDA Antagonist, CP-101,606 (traxoprodil)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Wichita, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 22, 2006 · Synced Oct 20, 2026, 8:23 AM 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 28, 2025 · Synced Oct 20, 2026, 8:23 AM EDT
Completed Early Phase 1 Interventional

Feasibility, Safety and Efficacy of Deep Brain Stimulation for Depression

NCT00555698
View directory record Official record
Conditions
Depression
Interventions
Deep Brain Stimulations for Depression
Device
Lead sponsor
Ali Rezai, MD
Other
Eligibility
18 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 28, 2017 · Synced Oct 20, 2026, 8:23 AM EDT
Completed Phase 4 Interventional

RCT of Brain Longitudinal Biomarker Study (OPT-Neuro RCT)

NCT05531591
View directory record Official record
Conditions
Depression, Dementia, Mild Cognitive Impairment, Treatment Resistant Depression, Major Depressive Disorder, Treatment-Refractory Depression, Late Life Depression, Geriatric Depression
Interventions
Aripiprazole Augmentation, Bupropion Augmentation, Switch to bupropion, Lithium Augmentation, Switch to nortriptyline
Drug
Lead sponsor
Centre for Addiction and Mental Health
Other
Eligibility
60 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
3
States / cities
Los Angeles, California • St Louis, Missouri • New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 25, 2024 · Synced Oct 20, 2026, 8:23 AM EDT
Terminated Phase 4 Interventional Results available

Open-Label Pilot Study to Examine the Value of Substituting Quetiapine for Benzodiazepines

NCT01244711
View directory record Official record
Conditions
Major Depression, Generalized Anxiety Disorder
Interventions
quetiapine
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 65 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 3, 2015 · Synced Oct 20, 2026, 8:23 AM EDT
Terminated Phase 3 Interventional Results available

A Long Term Study of ALKS 5461 in the Treatment of Refractory Major Depressive Disorder (MDD)

NCT03610048
View directory record Official record
Conditions
Refractory Major Depressive Disorder
Interventions
ALKS 5461
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 72 Years
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
29
States / cities
Tucson, Arizona • Little Rock, Arkansas • Los Alamitos, California + 26 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2021 · Synced Oct 20, 2026, 8:23 AM EDT
Completed Phase 2 Interventional

Nicotinic Receptor Augmentation of SSRI Antidepressants

NCT00319319
View directory record Official record
Conditions
Depressive Disorder
Interventions
Mecamylamine hydrochloride (Inversine)
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 19, 2007 · Synced Oct 20, 2026, 8:23 AM EDT
Completed Phase 2 Interventional Results available

Efficacy and Tolerability of Riluzole in Treatment Resistant Depression

NCT01204918
View directory record Official record
Conditions
Depression
Interventions
Riluzole, placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
3
States / cities
New Haven, Connecticut • Boston, Massachusetts • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 6, 2020 · Synced Oct 20, 2026, 8:23 AM EDT
Completed Phase 2 Interventional Results available

Safety, Tolerability, PK Profile, and Symptom Response of a 7-Day Dosing With 25 mg or 50 mg Daily of REL-1017 in MDD

NCT03051256
View directory record Official record
Conditions
Depressive Disorder, Major, Depressive Disorder, Treatment-Resistant
Interventions
REL-1017, Placebo
Drug
Lead sponsor
Relmada Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
10
States / cities
Little Rock, Arkansas • Garden Grove, California • San Diego, California + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2023 · Synced Oct 20, 2026, 8:23 AM EDT
Completed Phase 4 Interventional Results available

Abilify as an Adjunctive Treatment for Refractory Depression

NCT00220636
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
Aripiprazole
Drug
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
18 Years to 70 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 26, 2016 · Synced Oct 20, 2026, 8:23 AM EDT
Completed Phase 2 Interventional Results available

Proof of Concept Study Evaluating the Efficacy and Safety of MIJ821 in Patients With Treatment-resistant Depression

NCT03756129
View directory record Official record
Conditions
Depressive Disorder, Treatment-Resistant
Interventions
MIJ821, Placebo, Ketamine
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
8
States / cities
Birmingham, Alabama • Garden Grove, California • Oakland, California + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2021 · Synced Oct 20, 2026, 8:23 AM EDT
Completed Not applicable Interventional

Transcranial Magnetic Stimulation for Depression in Autism Spectrum Conditions

NCT05271357
View directory record Official record
Conditions
Autism Spectrum Disorder, Major Depressive Disorder
Interventions
Bilateral TMS, Unilateral TMS
Procedure
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
12 Years to 26 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 7, 2024 · Synced Oct 20, 2026, 8:23 AM EDT
Completed Phase 1 Interventional

Vagus Nerve Stimulation for Treating Adults With Severe Fibromyalgia

NCT00294281
View directory record Official record
Conditions
Fibromyalgia
Interventions
Vagus Nerve Stimulation (VNS) Therapy
Device
Lead sponsor
University of Medicine and Dentistry of New Jersey
Other
Eligibility
21 Years to 60 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 20, 2011 · Synced Oct 20, 2026, 8:23 AM EDT