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Showing 1–24 of 21,629 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Psychological Disorder Clear all
Completed No phase listed Observational Accepts healthy volunteers

A Naturalistic Study of Functional Impairment for Individuals With ADHD in the Early Morning and Late Afternoon/Evening Hours

NCT04473755
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Not listed
Lead sponsor
Florida International University
Other
Eligibility
16 Years to 30 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Amherst, New York
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced Sep 8, 2026, 4:30 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Can Oxytocin Level Predict Postpartum Depression?

NCT02020148
View directory record Official record
Conditions
Postpartum Depression
Interventions
Not listed
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Female only
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 25, 2023 · Synced Sep 8, 2026, 4:30 PM EDT
Completed Not applicable Interventional

Adaptive Interventions for Problem Drinkers

NCT02511808
View directory record Official record
Conditions
Alcohol-Related Disorders, Alcohol Use Disorders, Alcohol Drinking, Alcoholism, Alcohol Abuse
Interventions
Brief Advice, Motivational Interviewing, Behavioral Self-Control Training
Behavioral
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 75 Years
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Great Neck, New York
Source: ClinicalTrials.gov public record
Updated Sep 10, 2020 · Synced Sep 8, 2026, 4:30 PM EDT
Not listed Phase 1 Interventional

Assessment of Interactions Between Methamphetamine and Aripiprazole - 1

NCT00089440
View directory record Official record
Conditions
Amphetamine-Related Disorders
Interventions
Aripiprazole
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 45 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
2
States / cities
Los Angeles, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Sep 8, 2026, 4:30 PM EDT
Terminated Phase 3 Interventional Results available

Open-Label Study of Leuco-methylthioninium Bis(Hydromethanesulfonate) (LMTM) in Subjects With Alzheimer's Disease or Behavioral Variant Frontotemporal Dementia (bvFTD)

NCT02245568
View directory record Official record
Conditions
Alzheimer's Disease, Behavioral Variant Frontotemporal Dementia
Interventions
LMTM
Drug
Lead sponsor
TauRx Therapeutics Ltd
Industry
Eligibility
Not listed
Enrollment
913 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
57
States / cities
Phoenix, Arizona • Fountain Valley, California • Laguna Hills, California + 48 more
Source: ClinicalTrials.gov public record
Updated May 23, 2023 · Synced Sep 8, 2026, 4:30 PM EDT
Completed Not applicable Interventional

Network Modulation in Alzheimer's Disease

NCT04045990
View directory record Official record
Conditions
Alzheimer Disease, Primary Progressive Aphasia, Mild Cognitive Impairment
Interventions
repetitive transcranial magnetic stimulation (rTMS)
Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Charlestown, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 16, 2022 · Synced Sep 8, 2026, 4:30 PM EDT
Completed No phase listed Observational

Long-Term Safety and Effectiveness of MDMA-Assisted Therapy for PTSD

NCT05066282
View directory record Official record
Conditions
PTSD
Interventions
Not listed
Lead sponsor
Resilient Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
186 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 29, 2024 · Synced Sep 8, 2026, 4:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Statewide Trial to Compare Three Training Models for Implementing an Evidence-based Treatment (EBT)

NCT02543359
View directory record Official record
Conditions
Training of Mental Health Professionals, Disruptive Behavior Disorders
Interventions
Training Models of PCIT, Parent-Child Interaction Therapy (PCIT) Treatment
Behavioral
Lead sponsor
West Virginia University
Other
Eligibility
1 Year and older
Enrollment
648 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 2, 2018 · Synced Sep 8, 2026, 4:30 PM EDT
Completed Not applicable Interventional Results available

Low Intensity Shock Wave Therapy in the Management of Erectile Dysfunction

NCT04136288
View directory record Official record
Conditions
Erectile Dysfunction
Interventions
MoreNova
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 55 Years · Male only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 11, 2024 · Synced Sep 8, 2026, 4:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Examining the Effects of Reduced Environmental Stimulation on the Brain

NCT02452203
View directory record Official record
Conditions
Anxiety
Interventions
Floating
Behavioral
Lead sponsor
Laureate Institute for Brain Research, Inc.
Other
Eligibility
18 Years to 55 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Sep 21, 2020 · Synced Sep 8, 2026, 4:30 PM EDT
Completed Not applicable Interventional

Lavender During Intrauterine Insemination

NCT03461055
View directory record Official record
Conditions
Infertility, Female, Anxiety
Interventions
Lavender, Water
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 25, 2018 · Synced Sep 8, 2026, 4:30 PM EDT
Completed Not applicable Interventional

Internet Psychotherapy for Bipolar Disorder in Primary Care

NCT02448108
View directory record Official record
Conditions
Bipolar Disorder
Interventions
i-IPSRT, Written Psychoeducation
Behavioral · Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 99 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 6, 2020 · Synced Sep 8, 2026, 4:30 PM EDT
Recruiting Not applicable Interventional

PTSD Treatment for Veterans With Serious Mental Illness to Improve Functional Outcomes

NCT05674617
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic; Mental Disorders
Interventions
Written Exposure Therapy, PTSD Education
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 8, 2026, 4:30 PM EDT
Completed Phase 3 Interventional

Suboxone: (Buprenorphine/Naloxone) Comparison of Two Taper Schedules - 1

NCT00078117
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Buprenorphine
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
15 Years to 99 Years
Enrollment
516 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
11
States / cities
Denver, Colorado • Hartford, Connecticut • Waterbury, Connecticut + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 8, 2026, 4:30 PM EDT
Completed Not applicable Interventional Results available

Technology and Family Thriving Study

NCT05150990
View directory record Official record
Conditions
Alzheimer Disease, Dementia, Caregiver Burnout, Quality of Life, Mental Health Wellness 1, Loneliness, Family Relationship
Interventions
Virtual Reality, Video Chat
Behavioral
Lead sponsor
University of California, Santa Barbara
Other
Eligibility
18 Years and older
Enrollment
186 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
27
States / cities
Calabasas, California • Camarillo, California • Goleta, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 8, 2026, 4:30 PM EDT
Completed Not applicable Interventional Results available

Adjunctive Transcranial Stimulation to Reduce Impulsivity in Opiate Use Disorder

NCT05049460
View directory record Official record
Conditions
Opioid-use Disorder, Tobacco Use Disorder
Interventions
Theta Burst Stimulation, Sham TMS
Device
Lead sponsor
Gopalkumar Rakesh
Other
Eligibility
18 Years to 60 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 21, 2025 · Synced Sep 8, 2026, 4:30 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Uncertainty and Firearms: Obtaining Secure Storage

NCT05818696
View directory record Official record
Conditions
Anxiety
Interventions
Lethal Means Counseling (LMC), CBT for Uncertainty - Enhanced (CUE)
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Sep 8, 2026, 4:30 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

A Study to Assess the Pharmacodynamic Interaction Between Gabapentin and Ethanol in Healthy Subjects

NCT00666796
View directory record Official record
Conditions
Insomnia
Interventions
Placebo ethanol, Ethanol, Placebo, Gabapentin
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
21 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Sep 8, 2026, 4:30 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

MRI Imaging in Borderline Personality Disorder

NCT00275288
View directory record Official record
Conditions
Borderline Personality Disorder
Interventions
Not listed
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 1, 2010 · Synced Sep 8, 2026, 4:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Games to Overcome Late Life Depression

NCT02229188
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Problem Solving Therapy, Evolution, Words
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
60 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 18, 2018 · Synced Sep 8, 2026, 4:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Classroom Behavior Support (CBS) Project

NCT05137327
View directory record Official record
Conditions
ADHD
Interventions
Classroom Behavior Support (CBS) Condition, Standard Problem Solving Consultation
Behavioral
Lead sponsor
Ohio University
Other
Eligibility
5 Years to 12 Years
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Athens, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 17, 2024 · Synced Sep 8, 2026, 4:30 PM EDT
Completed Not applicable Interventional Results available

LGBTQ-affirmative CBT for Youth

NCT05408858
View directory record Official record
Conditions
Anxiety Disorders, Depression, LGBTQ
Interventions
LGBTQ-affirmative cognitive behavioral group therapy
Behavioral
Lead sponsor
Yale University
Other
Eligibility
12 Years to 17 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 30, 2024 · Synced Sep 8, 2026, 4:30 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Acute Alcohol Intoxication on Neural Processes During Decisions to Engage in HIV Risk Behaviors

NCT04360018
View directory record Official record
Conditions
Alcohol Consumption
Interventions
Alcohol beverage, Placebo beverage
Other
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 8, 2026, 4:30 PM EDT
Completed Not applicable Interventional

Mechanistic Pathways of Mindfulness Meditation in Post-traumatic Stress Disorder.

NCT00778960
View directory record Official record
Conditions
Post-Traumatic Stress Disorders
Interventions
Slow Breathing, Meditation, Meditation and slow breathing, Sitting Quietly
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
25 Years to 65 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 12, 2015 · Synced Sep 8, 2026, 4:30 PM EDT