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ClinicalTrials.gov public records Last synced Oct 15, 2026, 10:09 AM EDT

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Showing 361–384 of 449 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Obsessive Compulsive Behavior Clear all
Completed No phase listed Observational Accepts healthy volunteers

Integrating Pharmacogenomic Testing Into a Child Psychiatry Clinic

NCT02855580
View directory record Official record
Conditions
Obsessive Compulsive Disorder, Major Depressive Disorder, Anxiety
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
8 Years to 20 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 10, 2019 · Synced Oct 15, 2026, 10:09 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Modafinil vs Placebo for the Treatment of Methamphetamine Dependence

NCT00469508
View directory record Official record
Conditions
Methamphetamine Dependence
Interventions
Modafinil, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Hollywood, California
Source: ClinicalTrials.gov public record
Updated Mar 2, 2020 · Synced Oct 15, 2026, 10:09 AM EDT
Completed No phase listed Observational

Neural Substrates of Approach-Avoidance Conflict

NCT02119624
View directory record Official record
Conditions
Alcoholism, fMRI, Rewarding Mediating System
Interventions
Not listed
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
21 Years to 60 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 26, 2021 · Synced Oct 15, 2026, 10:09 AM EDT
Completed Not applicable Interventional Results available

Improving Attentional and Cognitive Control in the Psychological Treatment of Intrusive Thoughts

NCT04225624
View directory record Official record
Conditions
Obsessive-Compulsive Disorder, Generalized Anxiety Disorder, Major Depressive Disorder
Interventions
Emotion Regulation Therapy - Attention Regulation (AR-ERT), Supportive Psychotherapy (SPT)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Oct 15, 2026, 10:09 AM EDT
Completed Not applicable Interventional Results available

A Study to Help People Quit Smoking.

NCT01880099
View directory record Official record
Conditions
Nicotine Dependence
Interventions
placebo, Galantamine 8mg, Galantamine 16mg
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 23, 2020 · Synced Oct 15, 2026, 10:09 AM EDT
Completed Phase 4 Interventional Results available

Naltrexone for Impulse Control Disorders in Parkinson's Disease

NCT01052831
View directory record Official record
Conditions
Impulse Control Disorder, Parkinson Disease
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 6, 2015 · Synced Oct 15, 2026, 10:09 AM EDT
Completed Not applicable Interventional Results available

Cognitive Enhancement as a Target for Cocaine Pharmacotherapy

NCT01531153
View directory record Official record
Conditions
Addiction
Interventions
Galantamine, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 60 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 26, 2018 · Synced Oct 15, 2026, 10:09 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

An Evaluation of the Tobacco Prevention Toolkit Healthy Futures: Alternative-to-Suspension Vaping Intervention

NCT06483412
View directory record Official record
Conditions
Tobacco Use Cessation, Addiction
Interventions
Healthy Futures: Alternative-to-Suspension Curriculum
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
14 Years to 18 Years
Enrollment
2,540 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 15, 2026, 10:09 AM EDT
Completed Phase 2 Interventional Results available

Low Dose Naltrexone-buprenorphine Transfer to Vivitrol Injection in Opioid Dependence

NCT01690546
View directory record Official record
Conditions
Opiate Dependence
Interventions
very low dose naltrexone, extended release naltrexone, buprenorphine/naloxone
Drug
Lead sponsor
Paolo Mannelli
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 1, 2016 · Synced Oct 15, 2026, 10:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Arbitration Between Habitual and Goal-directed Behavior in Obsessive-compulsive Disorder: Circuit Dynamics and Effects of Noninvasive Neurostimulation

NCT04075890
View directory record Official record
Conditions
OCD, Decision-Making, tDCS, fMRI
Interventions
transcranial Direct Current Stimulation (tDCS)
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 12, 2025 · Synced Oct 15, 2026, 10:09 AM EDT
Completed Not applicable Interventional

Theta Burst Stimulation for Compulsive Behavior Non-invasive Brain Stimulation Study

NCT03265015
View directory record Official record
Conditions
Compulsive Behavior, Obsessive-Compulsive Disorder
Interventions
Habit Override Practice, Transcranial Magnetic Stimulation
Behavioral · Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 55 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 16, 2022 · Synced Oct 15, 2026, 10:09 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Reducing the Abuse Liability of Prescription Opioids

NCT04587115
View directory record Official record
Conditions
Addiction
Interventions
Risperidone, Ziprasidone, Oxycodone
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
21 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 14, 2020 · Synced Oct 15, 2026, 10:09 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Stem Cell Study of Genetics and Drug Addiction

NCT01534624
View directory record Official record
Conditions
Induced Pluripotent Stem Cells
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 65 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 17, 2019 · Synced Oct 15, 2026, 10:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Transdiagnostic Treatment Personalization

NCT04584879
View directory record Official record
Conditions
Anxiety Disorders, Depressive Disorder, Post Traumatic Stress Disorder, Obsessive-Compulsive Disorder
Interventions
Standard UP Treatment, Capitalization UP Treatment, Compensation UP Treatment
Behavioral
Lead sponsor
Shannon E. Sauer-Zavala
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 14, 2020 · Synced Oct 15, 2026, 10:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Food Choices in Healthy Weight Women

NCT02481362
View directory record Official record
Conditions
Addictive Behavior, Food Preferences, Food Habits, Healthy, Habituation
Interventions
CAKE, APRICOTS
Other
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 15, 2026, 10:09 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Addiction Potential of Very Low Nicotine Filtered Little Cigars

NCT06630728
View directory record Official record
Conditions
Smoking (Tobacco) Addiction
Interventions
Reduced Nicotine Content Cigars, Normal nicotine content cigar, Usual brand cigar
Drug
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 16, 2025 · Synced Oct 15, 2026, 10:09 AM EDT
Completed No phase listed Observational Results available

Evaluation of a Smoking Cessation Program for Long-Term Abstinence

NCT06746025
View directory record Official record
Conditions
Nicotine Addiction, Smoking Cessation
Interventions
Quit Center cessation program
Behavioral
Lead sponsor
Quit Center LLC
Industry
Eligibility
18 Years and older
Enrollment
371 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Naples, Florida
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 15, 2026, 10:09 AM EDT
Completed Phase 1 Interventional

Self-control and Body-focused Repetitive Behaviors

NCT04455152
View directory record Official record
Conditions
Trichotillomania (Hair-Pulling Disorder), Skin-Picking
Interventions
self-control
Behavioral
Lead sponsor
American University
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Nov 7, 2022 · Synced Oct 15, 2026, 10:09 AM EDT
Completed Not applicable Interventional Results available

Study Two on the Effectiveness of Mindfulness Training for Smokers

NCT01299909
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Integrated Training for Smokers, Mindfulness Training for Smokers, Quitline
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 27, 2019 · Synced Oct 15, 2026, 10:09 AM EDT
Completed Phase 2 Interventional Results available

Varenicline vs Placebo for the Treatment of Methamphetamine Dependence

NCT01011829
View directory record Official record
Conditions
Methamphetamine Dependence, Substance Abuse, Methamphetamine Abuse
Interventions
Varenicline, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 14, 2013 · Synced Oct 15, 2026, 10:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Computer- Assisted Cognitive-Behavioral Treatment for Anxiety Disorders in Children With Autism Spectrum Disorders

NCT01565629
View directory record Official record
Conditions
Autism, Asperger's Syndrome, Generalized Anxiety Disorder, Social Phobia, Separation Anxiety Disorder, Obsessive-compulsive Disorder
Interventions
Computer assisted cognitive behavioral therapy.
Behavioral
Lead sponsor
University of South Florida
Other
Eligibility
7 Years to 12 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated Oct 26, 2017 · Synced Oct 15, 2026, 10:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Exposure-Focused Family-Based CBT for Youth With ASD and Comorbid Anxiety

NCT01919970
View directory record Official record
Conditions
Autism, Asperger's Syndrome, Pervasive Developmental Disorder Not Otherwise Specified, Generalized Anxiety Disorder, Social Phobia, Separation Anxiety Disorder, Obsessive-compulsive Disorder, Specific Phobia
Interventions
Cognitive Behavioral Therapy, Treatment as usual
Other
Lead sponsor
University of South Florida
Other
Eligibility
6 Years to 12 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated Jun 14, 2019 · Synced Oct 15, 2026, 10:09 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Innovatively Increasing PCP Prescribing of Buprenorphine: Measurement Based Care and Integrated Electronic Solution

NCT04059016
View directory record Official record
Conditions
Opioid Abuse and Addiction
Interventions
MBC4OUD
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 100 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 18, 2024 · Synced Oct 15, 2026, 10:09 AM EDT
Terminated Not applicable Interventional Results available

Just-In-Time Adaptive Interventions for Addictive Behaviors

NCT03538652
View directory record Official record
Conditions
Addiction
Interventions
Formative Interviews (not an intervention), Cognitive-behavioral therapy (CBT), Acceptance and commitment therapy (ACT), No intervention
Other · Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 75 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Oct 15, 2026, 10:09 AM EDT