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ClinicalTrials.gov public records Last synced May 21, 2026, 11:54 PM EDT

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

Showing 1–24 of 1,546 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Substance Dependence Clear all
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Very low nicotine content cigarettes
Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
2
States / cities
Lexington, Kentucky • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced May 21, 2026, 11:54 PM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Heroin Dependence, Opioid-Related Disorders, Substance-Related Disorders
Interventions
opiates
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 45 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2005
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 4, 2017 · Synced May 21, 2026, 11:54 PM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Alcoholism
Interventions
Topiramate
Drug
Lead sponsor
Bankole Johnson
Other
Eligibility
21 Years to 45 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
2
States / cities
Charlottesville, Virginia • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 6, 2012 · Synced May 21, 2026, 11:54 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Copd, Smoking Cessation, Nicotine Dependence, Tobacco Use, Cigarette Smoking
Interventions
Unified Protocol adapted for smoking cessation
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 16, 2021 · Synced May 21, 2026, 11:54 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
Buprenorphine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 45 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 1998
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced May 21, 2026, 11:54 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Preparation Varenicline and Standard Duration Varenicline, Preparation Varenicline and Extended Duration Varenicline, Standard Duration Varenicline, Extended Duration Varenicline, Preparation Combination NRT and Standard Duration Combination NRT, Preparation Combination NRT and Extended Duration Combination NRT, Standard Duration Combination NRT, Extended Duration Combination NRT, Intensive Counseling, Minimal Counseling
Drug · Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
529 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced May 21, 2026, 11:54 PM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Alcohol Dependence, Alcohol Consumption
Interventions
Brief Intervention (adaptation of motivational interviewing)
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 5, 2010 · Synced May 21, 2026, 11:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cardiovascular Risk Factor, Nicotine Dependence
Interventions
Electronic Cigarette
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 30, 2024 · Synced May 21, 2026, 11:54 PM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Naltrexone
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 99 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced May 21, 2026, 11:54 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Buprenorphine/naloxone
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 55 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced May 21, 2026, 11:54 PM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Drug Dependence
Interventions
Extended Release Naltrexone, Psychosocial Treatment, Buprenorphine
Drug · Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
15 Years to 21 Years
Enrollment
288 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 9, 2021 · Synced May 21, 2026, 11:54 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Opioid Addiction
Interventions
FMRI, Suboxone
Other · Drug
Lead sponsor
Butler Hospital
Other
Eligibility
21 Years to 50 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 16, 2022 · Synced May 21, 2026, 11:54 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Cocaine Dependence, in Remission, Cocaine Abuse, in Remission, Cocaine-Related Disorders
Interventions
Clavulanic Acid
Drug
Lead sponsor
Temple University
Other
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 25, 2020 · Synced May 21, 2026, 11:54 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Bipolar Disorder, Major Depressive Disorder, Anxiety Disorders, Substance Abuse
Interventions
Aripiprazole
Drug
Lead sponsor
Creighton University
Other
Eligibility
19 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 23, 2007 · Synced May 21, 2026, 11:54 PM EDT
Withdrawn Phase 2 Interventional
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Naltrexone
Drug
Lead sponsor
Yale University
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 1998
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 2, 2015 · Synced May 21, 2026, 11:54 PM EDT
Completed Phase 4 Interventional
View directory record Official record
Conditions
Alcoholism, Anxiety Disorders, Generalized Anxiety Disorder, Post-Traumatic Stress Disorder, Panic Disorder, Obsessive-Compulsive Disorder
Interventions
Seroquel XR
Drug
Lead sponsor
Creighton University
Other
Eligibility
19 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Dec 7, 2008 · Synced May 21, 2026, 11:54 PM EDT
Not yet recruiting Not applicable Interventional
View directory record Official record
Conditions
Cocaine Use, Cocaine Dependence, Cocaine Use Disorder, Cocaine Use Disorder, Moderate, Cocaine Use Disorder, Severe
Interventions
Active H7-coil repetitive transcranial magnetic stimulation (rTMS), Sham H7-coil repetitive transcranial magnetic stimulation (rTMS)
Device
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
22 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced May 21, 2026, 11:54 PM EDT
Terminated Phase 1Phase 2 Interventional Results available
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Ketamine, Midazolam
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 60 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 30, 2019 · Synced May 21, 2026, 11:54 PM EDT
Completed Phase 4 Interventional
View directory record Official record
Conditions
Substance-Related Disorders
Interventions
counseling
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 50 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1996
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced May 21, 2026, 11:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Smoking Cessation, Yoga, Wellness
Behavioral · Other
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
255 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 18, 2021 · Synced May 21, 2026, 11:54 PM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Nicotine Dependence, Bipolar Disorder
Interventions
Counseling/Healthy Lifestyle, Counseling/Managing Mood
Behavioral
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 6, 2014 · Synced May 21, 2026, 11:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Opioid Dependence, Parenting, Infant Development
Interventions
mABC, mDEF
Behavioral
Lead sponsor
University of Delaware
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
174 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced May 21, 2026, 11:54 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Tolcapone, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 55 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 11, 2018 · Synced May 21, 2026, 11:54 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Nicotine Dependence
Interventions
nicotine patch (Nicoderm Committed Quitter (CQ), Habitrol), denicotinized cigarettes (Quest 3 cigarettes)
Drug · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years to 60 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 22, 2018 · Synced May 21, 2026, 11:54 PM EDT