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Showing 1–24 of 333 matching trials from the live ClinicalTrials.gov search.
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Terminated No phase listed Observational

Longitudinal and Biological Study of Childhood Disintegrative Disorder

NCT00004458
View directory record Official record
Conditions
Pervasive Child Development Disorders, Autism
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
2 Years to 9 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1997
U.S. locations
2
States / cities
New Haven, Connecticut • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Jul 21, 2026, 9:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Using Pharmacogenetics to Identify Patients With Polypharmacy at Risk of Medication Adverse Effects

NCT03748355
View directory record Official record
Conditions
Psychiatric Disorder
Interventions
Pharmacogentic Analysis
Genetic
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 10, 2020 · Synced Jul 21, 2026, 9:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Integrating Clinical Practice Guidelines for Smoking Cessation Into Mental Health Care for Veterans With Posttraumatic Stress Disorder

NCT00118534
View directory record Official record
Conditions
Mental Health, Stress Disorders, Post-Traumatic, Substance-Related Disorders, Tobacco Use Disorder
Interventions
Integrated Care for Smoking Cessation in PTSD patients, Standard of Care
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 80 Years
Enrollment
943 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
11
States / cities
Tuscaloosa, Alabama • San Diego, California • Washington D.C., District of Columbia + 8 more
Source: ClinicalTrials.gov public record
Updated May 4, 2014 · Synced Jul 21, 2026, 9:47 PM EDT
Active, not recruiting Not applicable Interventional

Improving Care, Accelerating Recovery and Education

NCT06233747
View directory record Official record
Conditions
Mental Health Disorder, Suicide Attempt, Suicidal Ideation, Emergency Psychiatric
Interventions
Improving Care, Accelerating Recovery & Education (ICARE)
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
12 Years to 17 Years
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Jul 21, 2026, 9:47 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Brain Imaging of Childhood Onset Psychiatric Disorders, Endocrine Disorders and Healthy Volunteers

NCT00001246
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder, Schizophrenia, Attention Deficit Disorder With Hyperactivity
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
3 Years to 120 Years
Enrollment
4,274 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1990
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 21, 2026, 9:47 PM EDT
Not listed Not applicable Interventional

Pharmacogenetic Decision Support IT System for Psychiatric Hospitalization: RCT

NCT02120729
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Genotype-guided care
Other
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years to 95 Years
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 11, 2019 · Synced Jul 21, 2026, 9:47 PM EDT
Not listed Phase 2 Interventional

Levetiracetam for Alzheimer's Disease Neuropsychiatric Symptoms Related to Epilepsy Trial (LAPSE)

NCT04004702
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Levetiracetam
Drug
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
Not listed
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2019 · Synced Jul 21, 2026, 9:47 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Executive Dysfunction and Suicide in Psychiatric Outpatients and Inpatients

NCT01043432
View directory record Official record
Conditions
Traumatic Brain Injury, Suicidality
Interventions
Not listed
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 65 Years
Enrollment
133 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated May 11, 2015 · Synced Jul 21, 2026, 9:47 PM EDT
Not yet recruiting Phase 2 Interventional

Connectomic Targeted TMS Target for Refractory Anxiety

NCT06376877
View directory record Official record
Conditions
Anxiety Disorders, Mental Disorder, Psychiatric Disorder
Interventions
Transcranial magnetic stimulation, Sham transcranial magnetic stimulation
Procedure
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced Jul 21, 2026, 9:47 PM EDT
Completed Phase 1 Interventional

Benefits Management for People With Psychiatric Disabilities

NCT01329393
View directory record Official record
Conditions
Dual Diagnosis, Schizophrenia, Bipolar Disorder
Interventions
Benefits Management, Illness Management and Recovery
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 29, 2020 · Synced Jul 21, 2026, 9:47 PM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

FAAH Availability in Psychiatric Disorders: A PET Study

NCT04404712
View directory record Official record
Conditions
Post Traumatic Stress Disorder, Alcohol Use Disorder, Psychosis
Interventions
[11C]MK-3168
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Jul 21, 2026, 9:47 PM EDT
Withdrawn Phase 2 Interventional

Effect of Lithium Versus Placebo in Adults With Treatment-Resistant Depression Who Are Receiving Ketamine

NCT03290963
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
Lithium, Placebo, Ketamine
Drug
Lead sponsor
William V. Bobo, M.D.
Other
Eligibility
18 Years to 64 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced Jul 21, 2026, 9:47 PM EDT
Completed Not applicable Interventional

GLP-1 Medicines and Mental Health Changes

NCT07368855
View directory record Official record
Conditions
Obesity, Depression, GLP-1
Interventions
GLP-1
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
Not listed
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced Jul 21, 2026, 9:47 PM EDT
Active, not recruiting Phase 2 Interventional

Single-dose Ketamine Treatment to Improve Depression in Mild Cognitive Impairment

NCT06069843
View directory record Official record
Conditions
Depression, Mild Cognitive Impairment
Interventions
IV Ketamine
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
50 Years to 90 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Jul 21, 2026, 9:47 PM EDT
Completed Not applicable Interventional

Improving Delivery of Mental Health Services for Patients With Drug Use and Other Behavioral and Emotional Problems

NCT00787735
View directory record Official record
Conditions
Study Focusing on Integrated Versus Non-integrated Psychiatric Care in, Opioid-dependent and Methadone Treated Patients With Other Psychiatric, Diagnoses
Interventions
Counseling compliance
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 80 Years
Enrollment
380 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 5, 2017 · Synced Jul 21, 2026, 9:47 PM EDT
Completed Not applicable Interventional

Group-Based Telehealth Music Therapy Intervention for Patients With Dementia: A Pilot Study

NCT05508646
View directory record Official record
Conditions
Behavioral and Psychiatric Symptoms of Dementia, Alzheimer Disease, Lewy Body Disease, Frontotemporal Dementia
Interventions
Music therapy intervention, Personalized music CD
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years to 110 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Wilkes-Barre, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 29, 2024 · Synced Jul 21, 2026, 9:47 PM EDT
Recruiting Phase 1 Interventional

HNC: Human Neural Circuits Electrophysiology During Cognition

NCT05962424
View directory record Official record
Conditions
Psychiatric Disorder
Interventions
Ketamine Hydrochloride
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Jul 21, 2026, 9:47 PM EDT
Completed Not applicable Interventional

Telephone Care as a Substitute for Routine Psychiatric Medication

NCT00105885
View directory record Official record
Conditions
Major Depression, Posttraumatic Stress Disorders, Anxiety Disorders
Interventions
telephone care
Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
324 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
White River Junction, Vermont
Source: ClinicalTrials.gov public record
Updated Feb 9, 2014 · Synced Jul 21, 2026, 9:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Promoting Healthy Lifestyle Behaviors

NCT05675020
View directory record Official record
Conditions
Behavioral / Psychiatric Disorder, Lifestyle, Healthy
Interventions
Zoom Intervention
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
12 Years to 17 Years
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 14, 2024 · Synced Jul 21, 2026, 9:47 PM EDT
Completed Not applicable Interventional Results available

Evaluation of Tobacco Treatment Strategies for Inpatient Psychiatry

NCT00968513
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Brief Intervention, Extended Treatment, Usual Care
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
956 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
3
States / cities
Berkeley, California • San Francisco, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Jul 21, 2026, 9:47 PM EDT
Completed Phase 1 Interventional

Parallel Group, Multiple Dose Pharmacokinetics Study of Five Antipsychotic Medications in Psychiatric Participants

NCT02087579
View directory record Official record
Conditions
Psychotic Disorders, Schizophrenia, Bipolar Disorder, Depressive Disorder
Interventions
Aripiprazole, oral formulation, Olanzapine, oral formulation, Paliperidone, oral formulation, Paliperidone, LAI, Quetiapine, oral formulation, Risperidone, oral formulation, Risperidone, LAI
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
305 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
6
States / cities
Garden Grove, California • Kissimmee, Florida • Atlanta, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2015 · Synced Jul 21, 2026, 9:47 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

HIV, Abuse, and Psychiatric Disorders Among Youth

NCT00603369
View directory record Official record
Conditions
HIV Infections
Interventions
group intervention
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
13 Years to 19 Years
Enrollment
212 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2007
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Feb 5, 2009 · Synced Jul 21, 2026, 9:47 PM EDT
Terminated Phase 2 Interventional Results available

The UTHealth Ketamine Project

NCT02882711
View directory record Official record
Conditions
Treatment Resistant Depression, Major Depressive Disorder, Bipolar Disorder
Interventions
Ketamine
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 23, 2020 · Synced Jul 21, 2026, 9:47 PM EDT
Withdrawn Not applicable Interventional

Mood and Anti-craving Effects of Varenicline in Psychiatric Inpatients

NCT00525928
View directory record Official record
Conditions
Smoking, Depressive Disorder
Interventions
varenicline
Drug
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 20, 2015 · Synced Jul 21, 2026, 9:47 PM EDT