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Showing 1–24 of 120 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Depressive Episodes Clear all
Completed No phase listed Observational Accepts healthy volunteers

Lithium Effects on the Brain's Functional and Structural Connectome in the Treatment of Bipolar Disorder

NCT03336918
View directory record Official record
Conditions
Bipolar Disorder, Bipolar I Depression, Bipolar II Depression, Bipolar Depression, Depression, Major Depressive Episode
Interventions
Lithium
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2025
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 13, 2026, 7:41 AM EDT
Completed Phase 3 Interventional

A Study of Aripiprazole in Patients With Bipolar I Disorder With a Major Depressive Episode

NCT00094432
View directory record Official record
Conditions
Bipolar I Disorder
Interventions
Aripiprazole, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
40
States / cities
Mesa, Arizona • La Mesa, California • La Palma, California + 37 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2013 · Synced Sep 13, 2026, 7:41 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

MRS and Medication Response: A Pilot Study

NCT03254342
View directory record Official record
Conditions
Major Depressive Disorder, Major Depressive Episode, Major Depressive Disorder, Recurrent, Major Depression Mild, Major Depression Moderate, Major Depression Severe
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
21 Years to 75 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2020
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 18, 2021 · Synced Sep 13, 2026, 7:41 AM EDT
Completed Phase 3 Interventional

Efficacy and Safety of SR58611A in Patients With Major Depressive Disorder

NCT00252356
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
SR58611A
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
468 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 11, 2009 · Synced Sep 13, 2026, 7:41 AM EDT
Completed Phase 3 Interventional

A Study to Evaluate the Efficacy and Safety of Flexible Doses of Extended-release (ER) Paliperidone Compared With Flexible Doses of Quetiapine and Placebo in Patients With Bipolar I Disorder

NCT00309699
View directory record Official record
Conditions
Bipolar Disorder, Mood Disorders
Interventions
Placebo, Quetiapine, Paliperidone ER
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years to 65 Years
Enrollment
493 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
22
States / cities
Cerritos, California • Garden Grove, California • Oceanside, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jun 19, 2014 · Synced Sep 13, 2026, 7:41 AM EDT
Completed Phase 3 Interventional Results available

Clinical Trial Evaluating Lumateperone Monotherapy in the Treatment of Bipolar Depression or Major Depressive Disorder

NCT04285515
View directory record Official record
Conditions
Bipolar Depression, Major Depressive Disorder
Interventions
Lumateperone, Placebos
Drug
Lead sponsor
Intra-Cellular Therapies, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
13
States / cities
Garden Grove, California • Oceanside, California • Sherman Oaks, California + 10 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2025 · Synced Sep 13, 2026, 7:41 AM EDT
Completed Phase 2 Interventional Results available

Study to Evaluate TNX-601 ER Monotherapy Versus Placebo in Patients With Major Depressive Disorder (MDD)

NCT05686408
View directory record Official record
Conditions
Depression, Depressive Disorder, Depressive Symptoms, Depressive Disorder, Major, Depressive Episode, Depression Severe
Interventions
TNX-601 ER, Placebo
Drug
Lead sponsor
Tonix Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
27
States / cities
Little Rock, Arkansas • Bellflower, California • Glendale, California + 24 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2025 · Synced Sep 13, 2026, 7:41 AM EDT
Terminated Phase 3 Interventional Results available

Safety and Efficacy Study of Ramelteon (TAK-375) Tablets for Sublingual Administration (SL) in Adults With Bipolar 1 Disorder

NCT01677182
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Ramelteon, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 75 Years
Enrollment
535 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
41
States / cities
Birmingham, Alabama • Anaheim, California • Glendale, California + 38 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2016 · Synced Sep 13, 2026, 7:41 AM EDT
Withdrawn Phase 3 Interventional

A Study of Aripiprazole in Patients With Bipolar I Disorder With a Major Depressive Episode

NCT00338273
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Aripiprazole, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Timeline
2006 – 2007
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 7, 2013 · Synced Sep 13, 2026, 7:41 AM 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 12, 2026 · Synced Sep 13, 2026, 7:41 AM EDT
Completed Phase 3 Interventional

A Double-Blind Randomized Placebo Controlled Study of Quetiapine for the Treatment of Depression in Adolescents With Bipolar Disorder

NCT00232414
View directory record Official record
Conditions
Bipolar I Disorder
Interventions
Quetiapine
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
12 Years to 18 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 9, 2013 · Synced Sep 13, 2026, 7:41 AM EDT
Recruiting Phase 3 Interventional

A Randomized Study of Azetukalner Versus Placebo in Depressive Episodes Associated With Bipolar I or II Disorder (Bipolar Depression)

NCT07172516
View directory record Official record
Conditions
Bipolar Disorder, Bipolar Depression, Bipolar I Disorder, Bipolar II Disorder
Interventions
Azetukalner, Placebo
Drug
Lead sponsor
Xenon Pharmaceuticals Inc.
Industry
Eligibility
18 Years to 74 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
34
States / cities
Tucson, Arizona • Little Rock, Arkansas • Rogers, Arkansas + 29 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 13, 2026, 7:41 AM EDT
Terminated Not applicable Interventional

Digital Therapeutic for Adolescent Depressive Symptoms in Hematology, Oncology, and Weight Management

NCT05351866
View directory record Official record
Conditions
Depression, Depressive Disorder, Depressive Symptoms, Depressive Episode, Adolescent Behavior, Adolescent - Emotional Problem, Hematologic Diseases, Oncology, Weight, Body
Interventions
CBT-based mobile intervention for depression, Mobile control with education about depression
Device
Lead sponsor
Limbix Health, Inc.
Industry
Eligibility
13 Years to 22 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 3, 2023 · Synced Sep 13, 2026, 7:41 AM EDT
Completed Phase 4 Interventional Results available

Antidepressant Therapy in Treating Bipolar Type II Major Depression

NCT00602537
View directory record Official record
Conditions
Bipolar Disorder, Depression
Interventions
Venlafaxine, Lithium Carbonate
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 24, 2017 · Synced Sep 13, 2026, 7:41 AM EDT
Completed Not applicable Interventional

Practical Application of Accelerated iTBS for MDD

NCT06113575
View directory record Official record
Conditions
Major Depressive Disorder, Major Depressive Disorder, Recurrent Episode, Severe, Major Depressive Disorder, Recurrent, Moderate
Interventions
NeuroStar TMS
Device
Lead sponsor
Sonder Behavioral Health and Wellness
Other
Eligibility
22 Years to 70 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Minnetonka, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 6, 2023 · Synced Sep 13, 2026, 7:41 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 Sep 13, 2026, 7:41 AM EDT
Recruiting No phase listed Observational

University of Iowa Interventional Psychiatry Service Patient Registry

NCT04480918
View directory record Official record
Conditions
Treatment Resistant Depression, Major Depressive Episode, Major Depression, Major Depressive Disorder, Bipolar Disorder, Bipolar Depression, Obsessive-Compulsive Disorder
Interventions
Electroconvulsive Therapy (ECT), Transcranial Magnetic Stimulation (TMS), Ketamine, Esketamine, Deep Transcranial Magnetic Stimulation (dTMS)
Device · Drug
Lead sponsor
Mark Niciu
Other
Eligibility
18 Years to 99 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2050
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Sep 13, 2026, 7:41 AM EDT
Completed Not applicable Interventional Results available

Genomics Used to Improve DEpression Decisions

NCT02109939
View directory record Official record
Conditions
Major Depressive Disorder (MDD)
Interventions
GeneSight Psychotropic
Genetic
Lead sponsor
Assurex Health Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,398 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
61
States / cities
Birmingham, Alabama • Bellflower, California • Chino, California + 52 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced Sep 13, 2026, 7:41 AM EDT
Completed Phase 2 Interventional

Efficacy and Safety of GLYX-13 in Subjects With Inadequate/Partial Response to Antidepressants

NCT01684163
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
GLYX-13 5 mg/kg, GLYX-13 10 mg/kg, Placebo
Drug
Lead sponsor
Naurex, Inc, an affiliate of Allergan plc
Industry
Eligibility
18 Years to 75 Years
Enrollment
369 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
26
States / cities
Birmingham, Alabama • Encino, California • Los Alamitos, California + 21 more
Source: ClinicalTrials.gov public record
Updated Mar 16, 2016 · Synced Sep 13, 2026, 7:41 AM EDT
Recruiting Phase 2 Interventional

A Study to Evaluate TNX-102 SL Monotherapy Versus Placebo in Participants With Major Depressive Disorder (MDD)

NCT07621237
View directory record Official record
Conditions
Major Depressive Episode (MDE), Major Depressive Disorder (MDD), Depression
Interventions
TNX-102 SL, Placebo sublingual tablet
Drug
Lead sponsor
Tonix Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
25
States / cities
Phoenix, Arizona • Chino, California • Lemon Grove, California + 22 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 13, 2026, 7:41 AM EDT
Completed Phase 3 Interventional

An Eight-week Study of Saredutant and Paroxetine as Combination Treatment for Major Depressive Disorder

NCT00629551
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
saredutant (SR48968), paroxetine, placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 65 Years
Enrollment
825 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated May 25, 2016 · Synced Sep 13, 2026, 7:41 AM EDT
Withdrawn Phase 3 Interventional

Brexpiprazole (OPC 34712) Trial in the Treatment of Adults With Major Depressive Disorder and Irritability

NCT02212613
View directory record Official record
Conditions
Major Depressive Disorder and Irritability
Interventions
Brexpiprazole
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 6, 2016 · Synced Sep 13, 2026, 7:41 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Treating Depression With Transcranial Direct Current Stimulation (tDCS)

NCT00481988
View directory record Official record
Conditions
Depression
Interventions
transcranial direct current stimulation, iomed phoresor transcranial direct current stimulation
Device
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 19, 2013 · Synced Sep 13, 2026, 7:41 AM EDT
Completed Phase 4 Interventional

Effectiveness of Pramipexole for Treatment-Resistant Depression

NCT00231959
View directory record Official record
Conditions
Depression
Interventions
Pramipexole (Mirapex), Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 25, 2012 · Synced Sep 13, 2026, 7:41 AM EDT