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ClinicalTrials.gov public records Last synced May 22, 2026, 1:34 AM 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 5,091 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Substance Related Disorders Clear all
Completed Phase 2 Interventional
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Tobacco Use Disorder
Behavioral
Lead sponsor
Inflexxion, Inc.
Industry
Eligibility
18 Years and older
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
7
States / cities
La Puente, California • Athol, Massachusetts • Ann Arbor, Michigan + 4 more
Source: ClinicalTrials.gov public record
Updated May 12, 2015 · Synced May 22, 2026, 1:34 AM EDT
Completed No phase listed Observational Results available
View directory record Official record
Conditions
Positron Emission Tomography
Interventions
positron emission tomography scan
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
2
States / cities
San Diego, California • West Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 6, 2019 · Synced May 22, 2026, 1:34 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Neonatal Abstinence Syndrome
Interventions
Stochastic Vibrotactile Stimulation (SVS)
Device
Lead sponsor
Elisabeth B Salisbury
Other
Eligibility
1 Hour to 18 Months
Enrollment
208 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced May 22, 2026, 1:34 AM EDT
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 22, 2026, 1:34 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Drug Use, Alcohol Use
Interventions
SBIRT+
Behavioral
Lead sponsor
Treatment Research Institute
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
3
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 27, 2023 · Synced May 22, 2026, 1:34 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Substance Use Disorder (SUD), Recovery
Interventions
EMA Only, EMI Only, EMA+EMI, Neither - RSAU
Other
Lead sponsor
Chestnut Health Systems
Other
Eligibility
18 Years and older
Enrollment
401 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
3
States / cities
Chicago, Illinois • Normal, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 27, 2021 · Synced May 22, 2026, 1:34 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Substance Use Disorders (SUDs)
Interventions
Cogito digital therapeutics development platform
Other
Lead sponsor
Square2 Systems, Inc.
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Hanover, New Hampshire
Source: ClinicalTrials.gov public record
Updated Aug 10, 2025 · Synced May 22, 2026, 1:34 AM 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 22, 2026, 1:34 AM EDT
Not yet recruiting Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Treatment Resistant Depression, Substance Use Disorders
Interventions
Psilocybin
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
2
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced May 22, 2026, 1:34 AM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Alcohol Use Disorder (AUD)
Interventions
Tirzepatide, Saline Placebo
Drug · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Boston, Massachusetts • Jamaica Plain, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced May 22, 2026, 1:34 AM EDT
Not listed Phase 2 Interventional
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
computer-assisted smoking cessation intervention, cancer prevention, educational intervention, survey administration
Behavioral · Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
630 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Sep 19, 2013 · Synced May 22, 2026, 1:34 AM 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 22, 2026, 1:34 AM 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 22, 2026, 1:34 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
HIV, AIDS, Fetal Alcohol Syndrome, Alcohol Related Neurodevelopmental Disorder
Interventions
Opt-in or Opt-out testing, Focus Group
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 13, 2016 · Synced May 22, 2026, 1:34 AM 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 22, 2026, 1:34 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Major Depressive Disorder, Alcohol Use Disorder
Interventions
Mirtazapine, Placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 4, 2017 · Synced May 22, 2026, 1:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
naltrexone implant
Drug
Lead sponsor
Go Medical Industries Pty Ltd
Industry
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 11, 2024 · Synced May 22, 2026, 1:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Substance Use Disorders
Interventions
Recovery support as usual, Smartphone assisted relapse prevention
Other
Lead sponsor
Chestnut Health Systems
Other
Eligibility
18 Years to 26 Years
Enrollment
237 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
2
States / cities
Bloomington, Illinois • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 29, 2024 · Synced May 22, 2026, 1:34 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Opioid Use, Opioid-use Disorder
Interventions
Case Management and Peer Recovery, Naloxone-Only
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
5
States / cities
Chicago, Illinois • Murphysboro, Illinois • Ottawa, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2024 · Synced May 22, 2026, 1:34 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Substance Use, Cancer, Psychological
Interventions
Acceptance and Commitment Therapy
Behavioral
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years to 99 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced May 22, 2026, 1:34 AM 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 22, 2026, 1:34 AM 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 22, 2026, 1:34 AM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Cancer
Interventions
Not listed
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
21 Years to 99 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
3
States / cities
Buffalo, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced May 22, 2026, 1:34 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Marijuana Abuse
Interventions
MET, MOMENT
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
15 Years to 24 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
2
States / cities
Boston, Massachusetts • Jamaica Plain, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 11, 2016 · Synced May 22, 2026, 1:34 AM EDT