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Showing 1–24 of 21,351 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Mental Disorders Clear all
Withdrawn No phase listed Observational

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

NCT04211428
View directory record Official record
Conditions
Bipolar Disorder, Bipolar I Disorder, Bipolar II Disorder, Bipolar Type I Disorder, Bipolar Disorder Mild, Bipolar Disorder Moderate, Bipolar Disorder Severe
Interventions
No intervention
Other
Lead sponsor
ProgenaBiome
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Jul 21, 2026, 11:03 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Improve the Patients' Recovery With Family- Caregivers to End Delirium

NCT05118867
View directory record Official record
Conditions
Delirium
Interventions
iPREPARED
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
60 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Jul 21, 2026, 11:03 AM EDT
Completed Phase 4 Interventional

The Kentucky Viral Hepatitis Treatment Study

NCT03949764
View directory record Official record
Conditions
Hepatitis C, Opioid-Related Disorders, Injection Drug Use
Interventions
Sofosbuvir/velpatasvir (Epclusa®)
Drug
Lead sponsor
Jennifer Havens
Other
Eligibility
18 Years and older
Enrollment
374 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Hazard, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Jul 21, 2026, 11:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Family-centered Mental Health Promotion Intervention

NCT04453709
View directory record Official record
Conditions
Stress, Psychological, Stress, Physiological, Anxiety, Depression
Interventions
Problem Management Plus for Immigrants at family settings, Talk program with Community Support Service Pamphlet (CSS)
Behavioral
Lead sponsor
University of Massachusetts, Amherst
Other
Eligibility
18 Years and older
Enrollment
232 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Amherst, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Jul 21, 2026, 11:03 AM EDT
Completed Not applicable Interventional

Syracuse University Fit Families Program: Autism

NCT02940899
View directory record Official record
Conditions
Autism Spectrum Disorders
Interventions
Intervention: Syracuse University Fir Families Program (SUFFP)
Other
Lead sponsor
Syracuse University
Other
Eligibility
5 Years to 11 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Apr 3, 2019 · Synced Jul 21, 2026, 11:03 AM EDT
Completed Phase 3 Interventional Results available

Botulinum Toxin Versus Placebo Injections to Temporalis and Masseter Muscles

NCT03223298
View directory record Official record
Conditions
Pain, Head, Pain Syndrome, Temporomandibular Disorder, Myofascial Pain Syndrome, Myofascial Pain
Interventions
Botulinum toxin type A, 0.9% Sodium Chloride Injection
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Chicago, Illinois • New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 13, 2023 · Synced Jul 21, 2026, 11:03 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Efficacy of Ramelteon on Transient Insomnia in Healthy Adults

NCT00671398
View directory record Official record
Conditions
Transient Insomnia
Interventions
Ramelteon, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 64 Years
Enrollment
289 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2003
U.S. locations
12
States / cities
Palm Springs, California • San Diego, California • Miami, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2012 · Synced Jul 21, 2026, 11:03 AM EDT
Recruiting Not applicable Interventional

VIBRating vs Traditional Therapy for Treatment of ENTry Dyspareunia

NCT06840314
View directory record Official record
Conditions
Genito-Pelvic Pain/Penetration Disorder, Dyspareunia, Vaginismus, Pelvic Pain, Vestibulodynia, Vulvodynia (Chronic Vulvar Pain)
Interventions
Pelvic floor therapy
Device
Lead sponsor
Medstar Health Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated May 20, 2025 · Synced Jul 21, 2026, 11:03 AM EDT
Completed Not applicable Interventional

Lighting Intervention to Improve Sleep

NCT05757414
View directory record Official record
Conditions
Parkinson Disease, Sleep Disturbance
Interventions
Tailored Lighting Intervention (LIT), Actigraph
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 15, 2025 · Synced Jul 21, 2026, 11:03 AM EDT
Completed Not applicable Interventional Results available

PRescribing INterventions for Chronic Pain Via the Electronic Health Record Study - Primary Care Providers

NCT04601506
View directory record Official record
Conditions
Opioid-use Disorder, Opioid Use, Opioid Abuse
Interventions
Choice Architecture Nudge, PMP Integration & Nudge
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
Not listed
Enrollment
472 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 26, 2024 · Synced Jul 21, 2026, 11:03 AM EDT
Recruiting Phase 2 Interventional

Sleep Healthy Using the Internet Mitigating Insomnia to Address Neurocognitive Difficulties (SHUTi MIND)

NCT05565833
View directory record Official record
Conditions
Insomnia, Cognitive Dysfunction, Mild Cognitive Impairment, Sleep Initiation and Maintenance Disorders, Sleep Disorders, Intrinsic, Dyssomnias, Sleep Wake Disorders, Nervous System Diseases, Alzheimer Disease
Interventions
SHUTi OASIS, Patient Education
Behavioral · Other
Lead sponsor
University of Virginia
Other
Eligibility
65 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Jul 21, 2026, 11:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of Substance P Neurotransmission in Panic Disorder by PET Imaging of NK1 Receptors With [18F]SPA-RQ

NCT00088738
View directory record Official record
Conditions
Panic Disorder, Healthy
Interventions
[18F] SPA-RQ
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 65 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 21, 2026, 11:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Biomarkers of Cardiometabolic Risk in Children Treated With Antipsychotics: A Preliminary Study of Direct Measures

NCT00894738
View directory record Official record
Conditions
Mental Disorders
Interventions
Testing (MRS, US, DEXA, blood tests)
Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
6 Years to 18 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2016
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 5, 2019 · Synced Jul 21, 2026, 11:03 AM EDT
Completed Not applicable Interventional

Implementing and Sustaining a Transdiagnostic Sleep and Circadian Treatment

NCT03556878
View directory record Official record
Conditions
Sleep Disorders, Circadian Rhythm, Sleep Disorder, Acceptability, Feasibility, Adaptation, Implementation Research
Interventions
Fitted Transdiagnostic Sleep and Circadian intervention
Behavioral
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Apr 21, 2019 · Synced Jul 21, 2026, 11:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Compensatory Training to Support Brain Healthy Lifestyle Changes in Those at Risk for Alzheimer's Disease

NCT04118985
View directory record Official record
Conditions
Cognitive Symptom, Pre Senile Dementia, Alzheimer Disease
Interventions
Cognitive rehabilitation and health behavior change intervention, Self-implementation
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 16, 2020 · Synced Jul 21, 2026, 11:03 AM EDT
Not yet recruiting No phase listed Observational

MOCHA: Embedded Inpatient Mental Health Care for High-Risk Perinatal Patients

NCT07540585
View directory record Official record
Conditions
Anxiety Disorders, Stress Disorders, Post-Traumatic, Pregnancy, High Risk, Depressive Disorder, Major, Pregnancy Complications, ADHD - Attention Deficit Disorder With Hyperactivity
Interventions
Collaborative Mental Health Care Program (CMHCP)
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Jul 21, 2026, 11:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Mental Health Impact of the COVID-19 Pandemic on Amish and Mennonite Participants in AMBiGen

NCT04684615
View directory record Official record
Conditions
Depression, Anxiety, Bipolar Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years and older
Enrollment
193 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Jul 21, 2026, 11:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Early Characteristics of Autism

NCT00090415
View directory record Official record
Conditions
Autism, Autistic Disorder
Interventions
Intensive behavioral therapy
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Months to 30 Months
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2003
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 18, 2012 · Synced Jul 21, 2026, 11:03 AM EDT
Completed Not applicable Interventional

Cognitive Remediation of Schizophrenia in a Community Mental Health Setting

NCT01988714
View directory record Official record
Conditions
Experimental Condition TCT, Controlled Condition CG
Interventions
(TCT) plus evidence-based SE, (CG) plus evidence-based SE
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 4, 2019 · Synced Jul 21, 2026, 11:03 AM EDT
Completed Phase 1 Interventional Results available

MK-1942/Donepezil Interactions in Participants With Alzheimer's Disease (MK-1942-005)

NCT04308304
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
MK-1942, Donepezil, Placebo
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
50 Years to 85 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
Rogers, Arkansas • Hallandale, Florida • Decatur, Georgia + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2024 · Synced Jul 21, 2026, 11:03 AM EDT
Completed Phase 3 Interventional

Seroquel in Bipolar Depression Versus SSRI

NCT00119652
View directory record Official record
Conditions
Bipolar Disorder, Bipolar Depression, Depression
Interventions
quetiapine fumarate (Seroquel), paroxetine, mood stabilizing activity
Drug · Behavioral
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 65 Years
Enrollment
676 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
28
States / cities
Phoenix, Arizona • Little Rock, Arkansas • National City, California + 25 more
Source: ClinicalTrials.gov public record
Updated Jan 3, 2013 · Synced Jul 21, 2026, 11:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Using Mobile App on Perceived Stress During COVID-19 Pandemic

NCT04329533
View directory record Official record
Conditions
Perceived Stress, Anxiety, Sleep Disturbance
Interventions
"Calm" is a mindfulness meditation mobile app
Other
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 12, 2020 · Synced Jul 21, 2026, 11:03 AM EDT
Completed Phase 2 Interventional

Effectiveness and Costs of Enhanced Cocaine Treatments

NCT00167258
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Voucher Reinforcement, Extra Counseling Services, Voucher Reinforcement + Extra Counseling Services
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Timeline
Ends 2007
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 14, 2009 · Synced Jul 21, 2026, 11:03 AM EDT
Not listed Phase 3 Interventional

Transcranial Magnetic Stimulation (TMS) for Suicidal Ideation

NCT01212848
View directory record Official record
Conditions
Depressive Episode, Posttraumatic Stress Disorder, Traumatic Brain Injury
Interventions
Transcranial Magnetic Stimulation, Transcranial Magnetic Stimulation - Sham Comparator
Device
Lead sponsor
INTRuST, Post-Traumatic Stress Disorder - Traumatic Brain Injury Clinical Consortium
Other
Eligibility
18 Years to 70 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
2
States / cities
Bethesda, Maryland • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 25, 2013 · Synced Jul 21, 2026, 11:03 AM EDT