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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Withdrawn Phase 2 Interventional

Use of Kudzu Extract in the Study of Its Ability to Reduce Alcohol Drinking in Treatment Seeking Alcohol Dependent Persons

NCT01853293
View directory record Official record
Conditions
Alcohol Abuse, Alcohol Dependence, Heavy Drinking Days
Interventions
Kudzu extract, Placebo, Medical Management
Drug · Behavioral
Lead sponsor
Mclean Hospital
Other
Eligibility
21 Years to 60 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 6, 2015 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Phase 3 Interventional Results available

Achieving Cannabis Cessation-Evaluating N-Acetylcysteine Treatment

NCT01675661
View directory record Official record
Conditions
Cannabis Dependence
Interventions
N-Acetylcysteine, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 50 Years
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
6
States / cities
Los Angeles, California • New Haven, Connecticut • Lexington, Kentucky + 3 more
Source: ClinicalTrials.gov public record
Updated May 23, 2018 · Synced Jul 21, 2026, 6:45 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Effect of Positive and Negative Emotions on Brain Activity in Alcoholics and Nonalcoholics

NCT00001675
View directory record Official record
Conditions
Alcoholism, Healthy
Interventions
Not listed
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
12 Years to 65 Years
Enrollment
1,194 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 8, 2019 · Synced Jul 21, 2026, 6:45 AM EDT
Withdrawn Not applicable Interventional

Reducing Problematic Substance Use in Youth With Chronic Medical Conditions

NCT01709201
View directory record Official record
Conditions
Alcohol Abuse, Drug Abuse
Interventions
Brief Intervention
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
14 Years to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 20, 2017 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The ProGirls Study

NCT02112201
View directory record Official record
Conditions
Delinquency, HIV Risk, Substance Use, Trauma Exposure
Interventions
Integrated intervention for parents and adolescent girls
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
13 Years to 18 Years · Female only
Enrollment
416 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2020
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 15, 2020 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional Results available

Enhancing a High School Based Smoking Cessation Program

NCT01145001
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Cognitive Behavioural Therapy, Contingency Management, Nicotine Transdermal Patch
Behavioral · Drug
Lead sponsor
Yale University
Other
Eligibility
14 Years to 19 Years
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 28, 2016 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Vaping THC From Electronic Cigarettes

NCT02955329
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Nicotine, Cannabis, PAX Loose Leaf Vaporizer
Drug · Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 70 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 28, 2023 · Synced Jul 21, 2026, 6:45 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Computer Game, Qualitative, and MEG/EEG Assessment of Serotonergic Psychedelics

NCT06624137
View directory record Official record
Conditions
OCD, Major Depressive Disorder (MDD), Alcohol Use Disorder (AUD), Healthy Volunteer, Migraine, PTSD, PTSD - Post Traumatic Stress Disorder, Addiction, Tobacco Use Disorder, Obsessive Compulsive Disorder (OCD), Opioid Use Disorder
Interventions
Serotonergic Psychedelic, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
2
States / cities
Hamden, Connecticut • West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Testing the Interactive Effects of Delta-9-Tetrahydrocannabinol and Pregnenolone

NCT02576912
View directory record Official record
Conditions
Healthy
Interventions
Active Delta-9-THC, Active Pregnenolone, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 6, 2023 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Phase 2 Interventional

Methylphendidate Treatment of Cocaine Dependent Patients With Attention Deficit Hyperactivity Disorder - 3

NCT00015054
View directory record Official record
Conditions
Cocaine-Related Disorders
Interventions
Methylphenidate
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 1999
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 15, 2017 · Synced Jul 21, 2026, 6:45 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Social Functioning in Opioid Use Disorder

NCT07044466
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
CBT4CBT-Buprenorphine
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Developing a Digital Intervention to Prevent Risky Health Behaviors

NCT06538922
View directory record Official record
Conditions
Substance Use
Interventions
Single Session Family Intervention
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
12 Years to 14 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Dec 9, 2024 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Phase 2 Interventional Results available

Reinforcement of Abstinence and Continuing Care in Substance Abuse Treatment

NCT00288886
View directory record Official record
Conditions
Substance Use Disorders, Alcohol Abuse, Alcoholism, Substance Dependence, Substance Abuse
Interventions
Contracting, Prompting and Reinforcement arm, Control arm
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
183 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
2
States / cities
Jackson, Mississippi • Salem, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 23, 2015 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional

Behavioral Depression Treatment for African American HIV-infected Substance Users

NCT01351454
View directory record Official record
Conditions
Depression, Substance Use
Interventions
ACT HEALTHY, Nondirective Therapy (NDT)
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
2
States / cities
Washington D.C., District of Columbia • College Park, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 6, 2020 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Phase 2 Interventional Results available

Efficacy of Levetiracetam in Cocaine-Abusing Methadone Maintained Patients

NCT00577005
View directory record Official record
Conditions
Cocaine Dependence, Opioid Dependency
Interventions
levetiracetam, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 16, 2018 · Synced Jul 21, 2026, 6:45 AM EDT
Not listed Phase 2 Interventional

Alcohol Dependency Study: Combining Medication Treatment for Alcoholism

NCT00006205
View directory record Official record
Conditions
Alcoholism
Interventions
ondansetron + cognitive behavioral therapy, topiramate + cognitive behavioral therapy, Placebo + cognitive behavioral therapy, ondansetron + topiramate + cognitive behavioral therapy
Drug
Lead sponsor
Bankole Johnson
Other
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
2
States / cities
Charlottesville, Virginia • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 14, 2013 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional Results available

Effects of Sulfasalazine on BOLD Response to Alcohol Cues

NCT01312129
View directory record Official record
Conditions
Alcohol Dependence
Interventions
Sulfasalazine, Placebo
Drug
Lead sponsor
The Mind Research Network
Other
Eligibility
21 Years to 55 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Sep 21, 2014 · Synced Jul 21, 2026, 6:45 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Ph1 Marinol Interaction Study - Part 1 - 1

NCT00438139
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Dronabinol
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 45 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 15, 2017 · Synced Jul 21, 2026, 6:45 AM EDT
Not yet recruiting No phase listed Observational

Real-World Evaluation of Compl-AI for Predicting Early Medication Dropout in Opioid Use Disorder Treatment

NCT07456930
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Not listed
Lead sponsor
Tools4Patient
Other
Eligibility
18 Years and older
Enrollment
295 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
San Diego, California • Vista, California
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Jul 21, 2026, 6:45 AM EDT
Not listed No phase listed Observational

Naloxegol US PMR CV Safety.

NCT02813356
View directory record Official record
Conditions
Opioid Induced Constipation
Interventions
naloxegol, non-PAMORA
Drug
Lead sponsor
Valinor Pharma LLC
Industry
Eligibility
Not listed
Enrollment
8,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
2
States / cities
Wilmington, Delaware • Hines, Illinois
Source: ClinicalTrials.gov public record
Updated May 14, 2023 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Neural and Mobile Assessment OF Behavior Change Among Problem Drinkers

NCT03457077
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Brief intervention
Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 55 Years
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 4, 2023 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Phase 4 Interventional

Naltrexone for Bipolar Disorder and Alcohol Dependence

NCT00223275
View directory record Official record
Conditions
Bipolar Disorder, Alcohol Dependence
Interventions
Naltrexone
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 23, 2011 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Multi-Level Stigma Intervention for Mental Health Services

NCT06200012
View directory record Official record
Conditions
Social Stigma, Substance Use Disorders, Mental Disorder
Interventions
Multi-level stigma reduction intervention: educational training plus controlled substance agreement policy change, Single-level stigma reduction intervention: educational training
Behavioral
Lead sponsor
Wayne State University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Jul 21, 2026, 6:45 AM EDT
Completed No phase listed Observational

Managerial Database II

NCT01009827
View directory record Official record
Conditions
HIV
Interventions
Observation
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
12 Years to 24 Years
Enrollment
1,712 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
14
States / cities
Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2017 · Synced Jul 21, 2026, 6:45 AM EDT