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ClinicalTrials.gov public records Last synced Oct 27, 2026, 4:50 AM EDT

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Showing 937–960 of 1,614 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: MDD Clear all
Recruiting Not applicable Interventional

Accelerated Intermittent Theta Burst Stimulation for Adolescent and Young Adult Depression With Elevated Suicide Risk

NCT07025720
View directory record Official record
Conditions
Major Depressive Disorder (MDD), Suicidal Ideation
Interventions
TMS
Device
Lead sponsor
University of California, Davis
Other
Eligibility
15 Years to 25 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Oct 27, 2026, 4:50 AM EDT
Completed Phase 2 Interventional Results available

A Study to Compare the Efficacy, Safety, and Tolerability of JNJ-42847922 Versus Quetiapine Extended-Release as Adjunctive Therapy to Antidepressants in Adult Participants With Major Depressive Disorder Who Have Responded Inadequately to Antidepressant Therapy

NCT03321526
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
JNJ-42847922, Placebo Matching to JNJ-42847922, Quetiapine XR, Placebo Matching to Quetiapine XR, Selective Serotonin Reuptake Inhibitor (SSRI), Serotonin-Norepinephrine Reuptake Inhibitor (SNRI)
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
50
States / cities
Phoenix, Arizona • Tempe, Arizona • Rogers, Arkansas + 41 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Oct 27, 2026, 4:50 AM EDT
Recruiting Not applicable Interventional

Closed-Loop Deep Brain Stimulation for Major Depression

NCT04004169
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Stimulation-ON, Stimulation-OFF, Stimulation-ON Active Control
Device
Lead sponsor
Andrew Krystal
Other
Eligibility
22 Years to 70 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2035
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Oct 27, 2026, 4:50 AM EDT
Completed Not applicable Interventional

Effects of Mindfulness-based Cognitive Therapy on Brain Mechanisms in Depression

NCT02200341
View directory record Official record
Conditions
Depression
Interventions
MBCT, PRT-PsyEd
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
21 Years to 65 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 9, 2019 · Synced Oct 27, 2026, 4:50 AM EDT
Withdrawn Not applicable Interventional

Mobile Apps for the Treatment of Depression

NCT02024620
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Behavioral activation plus mobile app, Standard behavioral activation
Behavioral
Lead sponsor
Central Arkansas Veterans Healthcare System
Federal
Eligibility
18 Years to 89 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
North Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Dec 15, 2015 · Synced Oct 27, 2026, 4:50 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Establishing Moderators and Biosignatures of Antidepressant Response for Clinical Care for Depression

NCT01407094
View directory record Official record
Conditions
Depression
Interventions
Sertraline, Placebo, BupropionXL
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
296 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
4
States / cities
Boston, Massachusetts • Ann Arbor, Michigan • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 26, 2018 · Synced Oct 27, 2026, 4:50 AM EDT
Completed Phase 1 Interventional Results available

Nonconvulsive Electrotherapy: a Proof-of-concept Trial

NCT01065597
View directory record Official record
Conditions
Depressive Disorder, Bipolar Disorder, Schizoaffective Disorder
Interventions
Nonconvulsive electrotherapy
Device
Lead sponsor
University of Maryland, College Park
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 23, 2023 · Synced Oct 27, 2026, 4:50 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Neurobiological Effects of Light on MDD

NCT02940769
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
light glasses, sham glasses (placebo)
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 60 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 22, 2022 · Synced Oct 27, 2026, 4:50 AM EDT
Suspended No phase listed Observational Accepts healthy volunteers

A Non-Interventional Pilot Study to Explore the Role of Gut Flora in Disease

NCT04031469
View directory record Official record
Conditions
Gut Microbiome, Gastrointestinal Microbiome, Autism, Autism Spectrum Disorder, Autism Spectrum Disorder High-Functioning, Alzheimer Disease, Alzheimer Dementia (AD), Alzheimer Dementia, Alzheimer Disease (AD), Crohn, Crohn Colitis, Crohn Disease (CD), Crohn Disease Colon, Myalgic Encephalomyelitis, ME/CFS, Myalgic Encephalomyelitis (ME), Myalgic Encephalomyelitis/Chronic Fatigue Syndrome, Psoriasis, Psoriasis Annularis, Psoriasis Chronic, Chronic Urinary Tract Infection, Ulcerative Colitis (Disorder), Ulcerative Colitis (UC), Ulcerative Colitis Acute, Ulcerative Colitis Chronic, Multiple Sclerosis, Multiple Sclerosis (MS) - Relapsing-remitting, Multiple Sclerosis (MS) Primary Progressive, Constipation Chronic Idiopathic, Constipation, Celiac, Celiac Disease, Celiac Sprue, Lyme Arthritis, Lyme Borreliosis, Nervous System, Lyme Disease, Chronic, Cholesterol, Cholesterol Level, High, Cancer, Colon Cancer, Amyotrophic Lateral Sclerosis (ALS), Amyotrophic Lateral Sclerosis, Rheumatoid Arthritis (RA), Rheumatoid Arthritis - Rheumatism, Chronic Fatigue Syndrome (CFS), PARKINSON DISEASE (Disorder), Parkinson Disease, Parkinson Disease (PD), Depression, Major Depressive Disorder (MDD), Depression Disorder, Depression in Adults, Anxiety, Anxiety Disorder Generalized, Obsessive Compulsive Disorder (OCD), Obsessive Compulsive Disorder OCD, Obsessive - Compulsive Disorder, Bipolar, Bipolar 1 Disorder, Bipolar Disorder (BD), Bipolar Disorder I and II, Bipolar and Related Disorders, Migraine, Migraine Disorder, Diabetes (DM), Diabetes, Lupus, Lupus Erythematosus, Epidermolysis Bullosa (EB), Mesothelioma, Mesothelioma Malignant, IBS (Irritable Bowel Syndrome), Irritable Bowel, IBS - Irritable Bowel Syndrome, Irritable Bowel Syndrome (IBS), Eczema, Eczema Atopic Dermatitis, Acne, Myasthaenia Gravis, Gout
Interventions
There is no intervention in this study
Other
Lead sponsor
ProgenaBiome
Other
Eligibility
12 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2030
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 27, 2026, 4:50 AM EDT
Completed Not applicable Interventional

Family Cognitive Behavioral Therapy for Preventing Depression in Children

NCT00183482
View directory record Official record
Conditions
Depression
Interventions
Family Group Cognitive Behavioral, Written Information
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
9 Years and older
Enrollment
304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 17, 2024 · Synced Oct 27, 2026, 4:50 AM EDT
Completed Phase 3 Interventional

Effects of Antidepressants on Sexual Functioning

NCT00051259
View directory record Official record
Conditions
Major Depressive Disorder (MDD)
Interventions
Extended-Release Bupropion Hydrochloride
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
23
States / cities
Berkeley, California • Beverly Hills, California • La Mesa, California + 20 more
Source: ClinicalTrials.gov public record
Updated Oct 4, 2010 · Synced Oct 27, 2026, 4:50 AM EDT
Completed Not applicable Interventional

Adapted Cognitive Behavioral Treatment for Depression in Patients With Moderate to Severe Traumatic Brain Injury

NCT03307070
View directory record Official record
Conditions
Major Depressive Disorder, Traumatic Brain Injury
Interventions
Cognitive Behavioral Therapy for individuals with TBI, Waitlist Control
Behavioral · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 10, 2023 · Synced Oct 27, 2026, 4:50 AM EDT
Completed Phase 3 Interventional Results available

Evaluation of the Safety of Adjunct Brexpiprazole in Elderly Patients With Major Depressive Disorder and an Inadequate Response to Antidepressant Treatment

NCT02400346
View directory record Official record
Conditions
Major Depression Disorder
Interventions
Adjunct brexpiprazole, ADT
Drug
Lead sponsor
H. Lundbeck A/S
Industry
Eligibility
65 Years and older
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
13
States / cities
Arcadia, California • Miami, Florida • Orlando, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Aug 10, 2017 · Synced Oct 27, 2026, 4:50 AM EDT
Completed Phase 3 Interventional

Efficacy, Safety and Tolerability of Agomelatine in the Prevention of Relapse of Major Depressive Disorder

NCT00467402
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
agomelatine, placebo
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years to 70 Years
Enrollment
644 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
78
States / cities
Birmingham, Alabama • Peoria, Arizona • Tucson, Arizona + 64 more
Source: ClinicalTrials.gov public record
Updated Dec 23, 2020 · Synced Oct 27, 2026, 4:50 AM EDT
Completed No phase listed Observational

A Pilot, Proof-of-concept Cohort Study of the Prevalence of Comorbid Mental Illness and Substance Abuse

NCT02476877
View directory record Official record
Conditions
Schizophrenia, Drug Abuse, Anxiety Disorder, Bipolar Disorder, Major Depression
Interventions
Not listed
Lead sponsor
Advanced Clinical Laboratory Solutions, Inc.
Industry
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jan 24, 2017 · Synced Oct 27, 2026, 4:50 AM EDT
Withdrawn Not applicable Interventional

An Open Label Study of the Genecept™ Assay in Treatment Resistant Depression

NCT01438242
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Genecept Assay
Device
Lead sponsor
Genomind, LLC
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Chalfont, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 23, 2015 · Synced Oct 27, 2026, 4:50 AM EDT
Enrolling by invitation Not applicable Interventional

Resonant Frequency rTMS: A Novel Approach to Target Circuit Modulation in Major Depressive Disorder

NCT06572683
View directory record Official record
Conditions
MDD, Depression
Interventions
Transcranial Magnetic Stimulation
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 75 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 27, 2026, 4:50 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Defining Neurobiological Links Between Substance Use and Mental Illness

NCT05538910
View directory record Official record
Conditions
Major Depressive Disorder, Substance Use Disorder, Normal Physiology
Interventions
Placebo Nicotine Patch, Nicotine Patch
Other · Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 60 Years
Enrollment
620 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 26, 2026 · Synced Oct 27, 2026, 4:50 AM EDT
Completed Phase 2 Interventional Results available

Exploratory Study of SPD489 in Adults With Major Depressive Disorder (MDD) as Augmentation Therapy to an Antidepressant

NCT00905424
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Antidepressant + SPD489 (lisdexamfetamine dimesylate), Antidepressant + placebo
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 55 Years
Enrollment
246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
15
States / cities
Newport Beach, California • San Diego, California • Bradenton, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Oct 27, 2026, 4:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Depression and Dopamine Transporter Function Study Using C-11 Altropane

NCT01701141
View directory record Official record
Conditions
Major Depressive Disorder, Anhedonia
Interventions
Not listed
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
2
States / cities
Belmont, Massachusetts • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 21, 2018 · Synced Oct 27, 2026, 4:50 AM EDT
Active, not recruiting Not applicable Interventional

EPI-MINN: Targeting Cognition and Motivation - National

NCT05877716
View directory record Official record
Conditions
Psychosis, Psychosis Nos/Other, Schizophrenia, Schizo Affective Disorder, Schizoaffective Disorder, Prodromal Schizophrenia, Schizophrenia Spectrum and Other Psychotic Disorders, Schizophreniform Disorders, Major Depression With Psychotic Features, Unspecified Psychosis, Bipolar Disorder
Interventions
Cognitive and Social Cognitive Training, Personalized Real-Time Intervention for Motivational Enhancement (PRIME) App, Early Psychosis Coordinated Specialty Care
Device · Behavioral · Other
Lead sponsor
University of Minnesota
Other
Eligibility
15 Years to 40 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 27, 2026, 4:50 AM EDT
Completed Phase 3 Interventional Results available

Major Depressive Disorder (MDD) With Mixed Features - Flexible Dose

NCT01421134
View directory record Official record
Conditions
Major Depressive Disorder With Mixed Features
Interventions
Lurasidone, Placebo
Drug
Lead sponsor
Sumitomo Pharma America, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
211 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
19
States / cities
Birmingham, Alabama • Escondido, California • Garden Grove, California + 15 more
Source: ClinicalTrials.gov public record
Updated Jul 15, 2016 · Synced Oct 27, 2026, 4:50 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Antidepressant Treatment of Mexican-Americans: UCLA Pharmacogenetics and Pharmacogenomics Research Group

NCT00265291
View directory record Official record
Conditions
Major Depressive Disorder, Major Depression, Unipolar Depression
Interventions
fluoxetine or desipramine
Drug
Lead sponsor
National Institute of General Medical Sciences (NIGMS)
NIH
Eligibility
18 Years to 70 Years
Enrollment
700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2008
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 10, 2008 · Synced Oct 27, 2026, 4:50 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Efficacy of Cranial Electrotherapy Stimulation (CES) for the Treatment of Major Depressive Disorder

NCT03222752
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Cranial Electrotherapy Stimulation, Sham Cranial Electrotherapy Stimulation
Device
Lead sponsor
Electromedical Products International, Inc.
Industry
Eligibility
22 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Forest, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 27, 2023 · Synced Oct 27, 2026, 4:50 AM EDT