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ClinicalTrials.gov public records Last synced Oct 30, 2026, 11:45 AM EDT

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Showing 97–120 of 548 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: abstinence Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

A Study to Determine the Effect of Access to Multiple Tobacco Flavor Options on Smoking Abstinence Among Primary Cigarette Smokers Using an Electronic Nicotine Delivery System

NCT07879638
View directory record Official record
Conditions
Smoking, Tobacco
Interventions
FT25614, FT25615, FT25616
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 65 Years
Enrollment
480 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
5
States / cities
Fort Lauderdale, Florida • Atlanta, Georgia • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2026 · Synced Oct 30, 2026, 11:45 AM EDT
Completed Not applicable Interventional Results available

Employment-based Reinforcement to Motivate Drug Abstinence in the Treatment of Drug Addiction. - 1

NCT00249496
View directory record Official record
Conditions
Alcohol Use, Drug Use, Risk Behavior, Sexual Behavior
Interventions
Contingency management, Employment Only
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 18, 2017 · Synced Oct 30, 2026, 11:45 AM EDT
Completed Not applicable Interventional

Education and Counseling for Abstinence From Tobacco After Pregnancy

NCT00139529
View directory record Official record
Conditions
Cardiovascular Diseases, Heart Diseases
Interventions
Motivational Interviewing Telephone Counseling, Educational Intervention
Behavioral
Lead sponsor
Brown University
Other
Eligibility
16 Years and older · Female only
Enrollment
757 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Dec 23, 2015 · Synced Oct 30, 2026, 11:45 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Mirtazapine for the Treatment of Methamphetamine Use in Opioid Use Disorder Patients Receiving Medication Assisted Treatment

NCT06323837
View directory record Official record
Conditions
Stimulant Use Disorder
Interventions
Mirtazapine, Placebo
Drug
Lead sponsor
Washington State University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 30, 2026, 11:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pharmacokinetics, Subjective Effects, and Abuse Liability of Nicotine Salt-Based Vaping Products With Tobacco or Unflavored E-liquids, SALTVAPE Study

NCT04231539
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine, Vaporizer Device, Salt-HIgh Nicotine Unflavored (Product B), Free-Low Nicotine Tobacco Flavored (Product C), Salt-High Nicotine Tobacco Flavored (Product D)
Drug · Device
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
21 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 31, 2025 · Synced Oct 30, 2026, 11:45 AM EDT
Recruiting No phase listed Observational

EMS-Initiated Buprenorphine

NCT07475728
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Not listed
Lead sponsor
Yale University
Other
Eligibility
Not listed
Enrollment
495 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
3
States / cities
Oakland, California • Minneapolis, Minnesota • Camden, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 30, 2026, 11:45 AM EDT
Completed Not applicable Interventional Results available

The Therapeutic Workplace Initiation Study

NCT00249470
View directory record Official record
Conditions
Cocaine-Related Disorders, Opioid-Related Disorders, Heroin Dependence, Substance Abuse, Intravenous
Interventions
Abstinence & Work, Work Only
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 27, 2017 · Synced Oct 30, 2026, 11:45 AM EDT
Completed No phase listed Observational

Brain Neurochemical Profile During Marijuana Abstinence

NCT04320537
View directory record Official record
Conditions
Brain Metabolic Changes During Marijuana Abstinence
Interventions
abstinence from use of marijuana and other abused drugs
Other
Lead sponsor
Mclean Hospital
Other
Eligibility
21 Years to 40 Years
Enrollment
37 participants
Timeline
2017 – 2020
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 25, 2020 · Synced Oct 30, 2026, 11:45 AM EDT
Completed Early Phase 1 Interventional

Dexamethasone to Target Stress and Immune System Mechanisms Underlying Alcohol Craving

NCT05305404
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Dexamethasone Oral, Placebo
Drug
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years to 55 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 30, 2026, 11:45 AM EDT
Completed Not applicable Interventional

Mobile Contingency Management for Smoking Cessation in Returning US Veterans

NCT02513069
View directory record Official record
Conditions
Smoking, Veterans
Interventions
Nicotine gum, mobile contingency management, Telephone counseling, Nicotine patch, Nicotine lozenge, Smart phone, Carbon monoxide monitor
Other · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 21, 2020 · Synced Oct 30, 2026, 11:45 AM EDT
Completed Not applicable Interventional Results available

Extending Long-term Outcomes Through an Adaptive Aftercare Intervention

NCT02143063
View directory record Official record
Conditions
Cocaine Use Disorder, Contingency Management
Interventions
prize contingency management on a traditional twice weekly schedule for cocaine abstinence, prize contingency management on a variable interval schedule for cocaine abstinence, standard care
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
4
States / cities
Bridgeport, Connecticut • Hartford, Connecticut • New Britain, Connecticut + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2022 · Synced Oct 30, 2026, 11:45 AM EDT
Active, not recruiting Phase 4 Interventional

Treatment of Neonatal Abstinence Syndrome With Clonidine Versus Morphine as Primary Therapy

NCT03092011
View directory record Official record
Conditions
Neonatal Abstinence Syndrome
Interventions
Clonidine, Morphine Sulfate
Drug
Lead sponsor
The Cooper Health System
Other
Eligibility
Up to 10 Days
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Camden, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced Oct 30, 2026, 11:45 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Phosphatidylethanol and Other Ethanol Consumption Markers

NCT06747364
View directory record Official record
Conditions
Healthy Volunteer, Alcohol Consumption
Interventions
Alcohol (Ethanol)
Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
21 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
2
States / cities
Denton, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 13, 2025 · Synced Oct 30, 2026, 11:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nicotine Withdrawal and Reward Processing

NCT05041959
View directory record Official record
Conditions
Cigarette Smoking, Nicotine Dependence, Nicotine Withdrawal
Interventions
Smoking Abstinence, Ad Lib Smoking
Other
Lead sponsor
University of Oklahoma
Other
Eligibility
21 Years to 55 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Oct 30, 2026, 11:45 AM EDT
Recruiting Not applicable Interventional

Neuroimaging of Adolescent Cannabis Use Treatment

NCT07340554
View directory record Official record
Conditions
Cannabis Use, Cannabis Dependence, Cannabis Use Disorder, Cannabis Abuse, Cannabis Intoxication, Cannabis Smoking, Cannabis Withdrawal, Cannabis-Related Disorder, Cannabis Abuse, in Remission, Cannabis Abuse, Episodic Use, Marijuana, Marijuana Abuse, Marijuana Use, Marijuana Smoking, Marijuana Dependence, Marijuana User, Marijuana-Related Disorder, Marijuana Use Disorder, Addiction, Addiction, Substance, Substance Use, Substance Use Disorders, Substance Dependence, Substance Abuse, Substance Related Problem, Substance Abuse Drug Chronic
Interventions
Contingency Management, Elastic Net Regression
Behavioral · Device
Lead sponsor
Indiana University
Other
Eligibility
14 Years to 17 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Oct 30, 2026, 11:45 AM EDT
Completed Not applicable Interventional

Vouchers vs. Prizes for Cocaine-Dependent Methadone Patients - 2

NCT00249535
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Contingency management
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 30, 2012 · Synced Oct 30, 2026, 11:45 AM EDT
Recruiting Not applicable Interventional

Quitting Matters Human Immunodeficiency Virus Hybrid Trial

NCT06883097
View directory record Official record
Conditions
Tobacco, Tobacco Abstinence, Smoking Cessation, Smoking Cessation; Tobacco Dependence, Human Immunodeficiency Virus (HIV), Tobacco Dependence Caused by Cigarettes, Cancer Prevention
Interventions
Learn to Quit-HIV (LTQ-H) App, QuitStart
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
314 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 30, 2026, 11:45 AM EDT
Completed Phase 4 Interventional Results available

Abstinence Reinforcement Therapy (ART) for Homeless Veteran Smokers

NCT02245308
View directory record Official record
Conditions
Tobacco Use Disorder, Homelessness
Interventions
Nicotine Patches, mobile contingency management (mCM), Smoking cessation counseling, Nicotine rescue method, Bupropion
Drug · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 70 Years
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 4, 2022 · Synced Oct 30, 2026, 11:45 AM EDT
Recruiting Not applicable Interventional

Evaluating Caregiver Involvement in Primary Care-Based Brief Interventions for Adolescent Alcohol Use Problems

NCT06593652
View directory record Official record
Conditions
Alcohol Use, Adolescent, Mild Alcohol Use Disorder, Mild Substance Use Disorder
Interventions
Teen Intervene - Adolescent Only, Teen Intervene with Caregiver Session, Family Check Up
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
12 Years to 18 Years
Enrollment
615 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 28, 2026 · Synced Oct 30, 2026, 11:45 AM EDT
Not listed Phase 1Phase 2 Interventional

Sublingual Buprenorphine Treatment for Neonatal Abstinence Syndrome - Pilot Study

NCT02249026
View directory record Official record
Conditions
Drug; Withdrawal Symptoms, Neonatal, Withdrawal, Fetus and Newborn Affected by Other Maternal Medication
Interventions
BZDs + opiate exposure treated with BPN, Opiates exposure treated with BPN
Drug
Lead sponsor
Gauda, Estelle B., M.D.
Individual
Eligibility
Up to 7 Days
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated May 6, 2016 · Synced Oct 30, 2026, 11:45 AM EDT
Completed Not applicable Interventional

Chronic Alcohol, Stress Inflammatory Response and Relapse Risk

NCT02193204
View directory record Official record
Conditions
Alcohol Dependence, Depressive Symptomatology
Interventions
Personal Stress Imagery, Neutral Imagery
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 6, 2020 · Synced Oct 30, 2026, 11:45 AM EDT
Suspended Not applicable Interventional

The Effect of rTMS to the Prefrontal Cortex in Alcohol Use Disorder

NCT03809286
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
active rTMS, Inpatient admission, sham rTMS
Device · Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
22 Years to 55 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Oct 30, 2026, 11:45 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

BE Smokefree: Behavioral Economics Incentives to Engage Adolescents in Smoking Cessation

NCT03670264
View directory record Official record
Conditions
Smoking Cessation
Interventions
Quitline Incentive, Tobacco Cessation Incentive, Way to Health (WTH) Platform, Quitline Delivered Treatment
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
14 Years to 21 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 13, 2021 · Synced Oct 30, 2026, 11:45 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Enhancing Smoking Cessation in the Homeless Population

NCT01932996
View directory record Official record
Conditions
Cigarette Smoking, Tobacco Smoking, Smoking, Tobacco
Interventions
nicotine patch plus nicotine gum/lozenge, Intensive Alcohol Intervention
Drug · Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 75 Years
Enrollment
352 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 19, 2020 · Synced Oct 30, 2026, 11:45 AM EDT