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ClinicalTrials.gov public records Last synced Oct 16, 2026, 4:43 AM EDT

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Showing 793–816 of 860 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Tobacco Abuse Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Nicotine Replacement for Smoking Cessation During Pregnancy

NCT01656733
View directory record Official record
Conditions
Nicotine Dependence, Smoking Cessation
Interventions
Nicotrol Inhaler, Placebo Inhaler
Drug
Lead sponsor
UConn Health
Other
Eligibility
16 Years and older · Female only
Enrollment
154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
2
States / cities
Hartford, Connecticut • Springfield, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 30, 2019 · Synced Oct 16, 2026, 4:43 AM EDT
Not listed Phase 1 Interventional

Effects of Stimulant Dependence on Human Striatal Dopamine System - 15

NCT00000350
View directory record Official record
Conditions
Amphetamine-Related Disorders, Tobacco Use Disorder
Interventions
radioactive substance
Procedure
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Oct 16, 2026, 4:43 AM EDT
Terminated Phase 2Phase 3 Interventional Accepts healthy volunteers

Efficacy and Safety of Bupropion for Treatment of Adolescent Smoking

NCT00248118
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Bupropion
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
13 Years to 17 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 23, 2016 · Synced Oct 16, 2026, 4:43 AM EDT
Terminated Early Phase 1 Interventional

Glucocorticoid Antagonist Treatment for Tobacco Use Disorder

NCT03248713
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Mifepristone, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 28, 2019 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

The Interaction of Flavor With Nicotine Form in Adult Smokers

NCT04262817
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine form, E-cigarette experimental flavor
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
21 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 26, 2023 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Progesterone for Smoking Relapse Prevention Following Delivery

NCT01972464
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Progesterone, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 42 Years · Female only
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 17, 2018 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Phase 4 Interventional Results available

Stress Neuroadaptation in Tobacco Dependence

NCT03262233
View directory record Official record
Conditions
Nicotine Dependence
Interventions
nicotine, placebo
Combination Product · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 60 Years
Enrollment
226 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Dental Tobacco Control.Net:Improving Practice

NCT00627185
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Internet-delivered continuing professional development, No intervention arm
Behavioral · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
190 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 9, 2015 · Synced Oct 16, 2026, 4:43 AM EDT
Recruiting Not applicable Interventional

Modulating Neural Mechanisms of Reward Processing in Tobacco Users

NCT07812753
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
PRIME TMS, Standard TMS
Device
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 60 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Identify Biomarkers of Tobacco Exposure and Nicotine Uptake From JUUL 5% in Adult Smokers

NCT03463837
View directory record Official record
Conditions
Nicotine Dependence, Other Tobacco Product, Tobacco Use, Smoking, Tobacco
Interventions
Treatment with JUUL 5%, Virginia Tobacco, Treatment with JUUL 5%, Cool Mint, ENDS, Treatment with JUUL 5%, Mango, ENDS, JUUL 5%, Creme Bruele, ENDS, Combustible cigarette, Smoking Cessation
Other
Lead sponsor
Juul Labs, Inc.
Industry
Eligibility
21 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jun 21, 2021 · Synced Oct 16, 2026, 4:43 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Evaluation of Short-term Safety and Use Patterns of an Electronic Nicotine Delivery System

NCT01898169
View directory record Official record
Conditions
Nicotine Dependence
Interventions
NJOY King 26 mg nicotine Electronic Nicotine Delivery System
Other
Lead sponsor
LA Clinical Trials
Other
Eligibility
18 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Burbank, California
Source: ClinicalTrials.gov public record
Updated Jul 12, 2013 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Phase 1 Interventional

Family Consultation for Health-Compromised Smokers

NCT00400751
View directory record Official record
Conditions
Nicotine Dependence
Interventions
FAMCON (Family Consultation)
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
30 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2003
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 17, 2006 · Synced Oct 16, 2026, 4:43 AM EDT
Recruiting Phase 2 Interventional

A Trial of Varenicline for E-cigarette Cessation

NCT07040566
View directory record Official record
Conditions
E-cigarette Use, Vaping, Nicotine Dependence
Interventions
Varenicline 1mg BID, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
326 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
2
States / cities
New Haven, Connecticut • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Project 4, Study 2: Extended Exposure to Low Nicotine Content Cigarettes in Pregnant Women

NCT04033237
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 18, 2026 · Synced Oct 16, 2026, 4:43 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Abuse Liability and Appeal of Oral Nicotine Products

NCT06506162
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Flavor, Nicotine concentration
Other
Lead sponsor
University of Southern California
Other
Eligibility
21 Years to 25 Years
Enrollment
320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Isradipine Enhancement of Virtual Reality Cue Exposure for Smoking Cessation

NCT03083353
View directory record Official record
Conditions
Nicotine Dependence, Smoking, Cigarette, Smoking Cessation, Smoking Behaviors, Smoking Reduction, Craving
Interventions
Isradipine, Cue Exposure
Drug · Behavioral
Lead sponsor
Jasper A. Smits
Other
Eligibility
18 Years to 65 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Selegiline for Smoking Cessation - 1

NCT00439413
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Selegiline Transdermal Patch, Placebo, Smoking Cessation Counseling
Drug · Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 99 Years
Enrollment
246 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
4
States / cities
College Park, Maryland • New Brunswick, New Jersey • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2017 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Phase 1 Interventional

Varenicline on Reward Responses and Cognition in Adolescent Smokers

NCT01624428
View directory record Official record
Conditions
Tobacco Use Disorders
Interventions
Varenicline, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
16 Years to 19 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 3, 2014 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Phase 4 Interventional Results available

Nicotine Replacement Therapy (NRT) and Bupropion Mechanisms of Effectiveness in Smokers

NCT01048944
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Bupropion SR, Nicotine Patch, Placebo Patch and Placebo Pill
Drug
Lead sponsor
Southern Illinois University Carbondale
Other
Eligibility
18 Years to 55 Years
Enrollment
197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
1
States / cities
Carbondale, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 25, 2014 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Implementation of Genomics in Substance Use Disorder Treatment

NCT04768114
View directory record Official record
Conditions
Tobacco Use Disorder, Smoking Cessation, Tobacco Use Cessation
Interventions
Genetically-Informed RiskProfile, Brief Cessation Advice
Behavioral · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 3, 2024 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Family-Skills Training to Prevent Tobacco and Other Substance Use in Latino Youth

NCT01442753
View directory record Official record
Conditions
Tobacco Use Disorder, Alcohol Use Disorder, Drug Use Disorder, Smoking, Alcohol Drinking, Drug Abuse
Interventions
Family-Skills Training
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
Not listed
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 4, 2015 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nicotine Patch and Bupropion to Reduce Smoking Rates in Younger, Low-Income, and Minority Individuals

NCT00308763
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Nicotine Patch, Sustained Release Bupropion
Drug
Lead sponsor
University of Tennessee
Other
Eligibility
18 Years to 45 Years
Enrollment
594 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated May 21, 2014 · Synced Oct 16, 2026, 4:43 AM EDT
Terminated Phase 3 Interventional Results available

Varenicline and Alcohol in Inpatient Addictions Program (IAP)

NCT01169610
View directory record Official record
Conditions
Alcoholism, Nicotine Dependence
Interventions
Varenicline
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 20, 2019 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Attention Deficit Hyperactivity Disorder (ADHD) Smoking Cessation Study

NCT00736255
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder, Nicotine Dependence
Interventions
Transdermal Nicotine Patch, Lis-dexamphetamine (Vyvanse), Placebo
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 30, 2018 · Synced Oct 16, 2026, 4:43 AM EDT