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ClinicalTrials.gov public records Last synced May 22, 2026, 5:27 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Impulsivity Clear all
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Nicotine Use Disorder, Smoking Cessation, Smoking Cessation Intervention
Interventions
Enhanced Courage to Quit
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 26 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced May 22, 2026, 5:27 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Opioid Abuse and Addiction
Interventions
1 Nalmefene implant, 2 Nalmefene implants
Drug
Lead sponsor
ReacX Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Morrisville, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced May 22, 2026, 5:27 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Smoking
Interventions
Mecamylamine, Nicotine Patch, Cigarette brand switching
Drug · Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2001
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 20, 2009 · Synced May 22, 2026, 5:27 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Internet Gaming Disorder
Interventions
Referral for care, Behavioral therapy
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
10 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 6, 2022 · Synced May 22, 2026, 5:27 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Placebo, Alcohol
Drug
Lead sponsor
Jessica Weafer
Other
Eligibility
21 Years to 25 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
2
States / cities
Boston, Massachusetts • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced May 22, 2026, 5:27 AM EDT
Completed Early Phase 1 Interventional Results available
View directory record Official record
Conditions
Cannabis-use Disorders
Interventions
Pregabalin, Placebo
Drug
Lead sponsor
Joshua A. Lile, Ph.D.
Other
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 9, 2021 · Synced May 22, 2026, 5:27 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Depression, Addiction, Anxiety, Sleep Disturbance
Interventions
Enhanced Feedback + Standard Feedback, Headspace app + Standard Feedback, Headspace app + Enhanced Feedback + Standard Feedback, SilverCloud + Standard Feedback, SilverCloud app +Enhanced Feedback +Standard Feedback
Behavioral · Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
2,118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 16, 2025 · Synced May 22, 2026, 5:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Progesterone, placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 25, 2020 · Synced May 22, 2026, 5:27 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Alcohol Use Disorder, Alcohol Dependence, Drug Dependence
Interventions
DynamiCare Motivation Support Program, Untreated or Routine Care Control Group
Combination Product · Other
Lead sponsor
DynamiCare Health
Industry
Eligibility
18 Years and older
Enrollment
236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced May 22, 2026, 5:27 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Smoking, Tobacco, Smoking (Tobacco) Addiction
Interventions
Cigarette 1, Cigarette 2, Patch 1, Patch 2
Drug
Lead sponsor
University of Southern California
Other
Eligibility
21 Years and older
Enrollment
221 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 12, 2023 · Synced May 22, 2026, 5:27 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Suicidal Ideation, Circadian Rhythm Disorders, Sleep Deprivation, Sleep Wake Disorders
Interventions
Sleep Pressure Manipulation
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 55 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced May 22, 2026, 5:27 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Smoking, Smoking Cessation, Craving, Addiction, Addiction Nicotine, Nicotine Dependence, Cigarette Smoking
Interventions
Real TBS to the vmPFC, Sham cTBS to the vmPFC
Device
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 20, 2024 · Synced May 22, 2026, 5:27 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Very low nicotine content cigarettes, Normal nicotine content cigarettes
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years to 60 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced May 22, 2026, 5:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Impulsivity, Compulsive Overeating, Obesity
Interventions
Device: Active Transcranial Direct Current Stimulation (tDCS) coupled with cognitive training, Device: Sham Transcranial Direct Current Stimulation (tDCS) coupled with cognitive training
Device
Lead sponsor
Minneapolis Veterans Affairs Medical Center
Federal
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 6, 2023 · Synced May 22, 2026, 5:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Cocaine Abuse, Cocaine-Related Disorders
Interventions
Not listed
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 55 Years
Enrollment
192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2013
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 8, 2017 · Synced May 22, 2026, 5:27 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Hyperactivity in Children With Down Syndrome, Impulsivity in Children With Down Syndrome
Interventions
Guanfacine Hydrochloride Immediate Release, Placebo
Drug
Lead sponsor
Rachel G. Greenberg, MD, MB, MHS
Other
Eligibility
6 Years to 12 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
14
States / cities
Phoenix, Arizona • Atlanta, Georgia • Chicago, Illinois + 11 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced May 22, 2026, 5:27 AM EDT
Completed Phase 4 Interventional
View directory record Official record
Conditions
Addiction, Cocaine, Methadone, Opiates
Interventions
Attentional retraining, Control condition
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
8 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 Apr 1, 2020 · Synced May 22, 2026, 5:27 AM EDT
Not yet recruiting Phase 4 Interventional
View directory record Official record
Conditions
Nicotine Dependence, Transcranial Magnetic Stimulation, Vaping, Smoking Cessation, Smoking (Tobacco) Addiction
Interventions
varenicline, Transcranial Magnetic Stimulation, Transcranial Magnetic Stimulation Sham, Nicotine Cessation Counseling
Drug · Device · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced May 22, 2026, 5:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Not listed
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 60 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 31, 2012 · Synced May 22, 2026, 5:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Withdrawal Symptoms
Interventions
SSB withdrawal
Behavioral
Lead sponsor
University of California, Berkeley
Other
Eligibility
13 Years to 18 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Dec 8, 2014 · Synced May 22, 2026, 5:27 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Impulsivity
Interventions
Shaping Delay Tolerance
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
3 Years to 6 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jul 13, 2025 · Synced May 22, 2026, 5:27 AM EDT
Terminated Phase 2Phase 3 Interventional Results available
View directory record Official record
Conditions
Anorexia Nervosa/Bulimia, Anorexia in Adolescence, Anorexia Nervosa, Atypical, Anorexia Nervosa, Binge Eating/Purging Type, Purging (Eating Disorders), Impulsive Behavior, Eating Disorders, Bulimia Nervosa, Eating Disorders in Adolescence
Interventions
Naltrexone Hydrochloride, Control
Drug · Other
Lead sponsor
Rosemary Claire Roden
Other
Eligibility
13 Years to 25 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 18, 2025 · Synced May 22, 2026, 5:27 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Autism Spectrum Disorder, Attention Deficit-Hyperactivity Disorder, Executive Function
Interventions
Unstuck and on Target (UOT), Parents and Teachers Supporting Students (PATSS)
Behavioral
Lead sponsor
Lauren Kenworthy
Other
Eligibility
8 Years to 11 Years
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 3, 2018 · Synced May 22, 2026, 5:27 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Opioid Use Disorder, Criminal Justice, Treatment Adherence and Compliance
Interventions
Not listed
Lead sponsor
Lifespan
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Cranston, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 8, 2024 · Synced May 22, 2026, 5:27 AM EDT