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ClinicalTrials.gov public records Last synced Oct 8, 2026, 5:54 AM EDT

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Showing 193–216 of 538 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Tobacco Dependence Clear all
Completed Phase 1 Interventional

Nicotine Differences in Smokers

NCT05159934
View directory record Official record
Conditions
Nicotine Dependence
Interventions
0.05, 0.025, and 0.0125 mg nicotine/pulse of nicotine, Saline
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 65 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 11, 2023 · Synced Oct 8, 2026, 5:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Extended Facebook Intervention for Young Sexual and Gender Minority Smokers

NCT03553992
View directory record Official record
Conditions
Tobacco Use, Smoking, Tobacco Dependence, Tobacco Use Disorder, Tobacco Use Cessation, Tobacco Smoking, Smoking Cessation, Smoking, Cigarette, Smoking, Tobacco
Interventions
POP-6:, TSP-6:
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 25 Years
Enrollment
173 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 19, 2020 · Synced Oct 8, 2026, 5:54 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of Nicotine Reduction on Smoking Behavior in ADHD Smokers

NCT02599571
View directory record Official record
Conditions
Nicotine Dependence, ADHD
Interventions
Very low nicotine content cigarettes, Conventional nicotine content cigarettes
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 40 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
2
States / cities
Durham, North Carolina • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 27, 2020 · Synced Oct 8, 2026, 5:54 AM EDT
Completed Phase 4 Interventional Results available

Bupropion for ADHD in Adolescents With Substance Use Disorder

NCT00936299
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder, Nicotine Dependence, Cannabis Use Disorder
Interventions
Bupropion, Placebo
Drug · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
13 Years to 19 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 23, 2019 · Synced Oct 8, 2026, 5:54 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Lab to Real World Assessment of E-cigarette Abuse Liability and Appeal

NCT02520349
View directory record Official record
Conditions
Nicotine Dependence
Interventions
MarkTen and e-Go e-cigarettes
Device
Lead sponsor
Truth Initiative
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 6, 2020 · Synced Oct 8, 2026, 5:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Coping Skills Treatment for Smoking Cessation

NCT01061528
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Transdermal Nicotine
Drug
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 16, 2018 · Synced Oct 8, 2026, 5:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mindset Intervention for Nicotine Dependence

NCT03174730
View directory record Official record
Conditions
Psychology, Social, Smoking Cessation, Smoking (Tobacco) Addiction
Interventions
Growth Mindset, SmartQuit
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
398 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 6, 2018 · Synced Oct 8, 2026, 5:54 AM EDT
Completed Phase 2 Interventional

N-Acetylcysteine and Smoking Reduction

NCT00751257
View directory record Official record
Conditions
Nicotine Dependence
Interventions
N-acetylcysteine, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 23, 2017 · Synced Oct 8, 2026, 5:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Neural Basis of Cue-Elicited Cigarette Craving and Its Control

NCT01048957
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Real Time Feedback Training
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 50 Years
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Oct 8, 2026, 5:54 AM EDT
Completed Not applicable Interventional Results available

Integrated Treatment for Smoking Cessation & Anxiety in People With HIV

NCT01393301
View directory record Official record
Conditions
Nicotine Dependence, Symptoms of Anxiety, HIV
Interventions
Integrated cognitive-behavioral therapy for smoking cessation and anxiety, Control
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 3, 2023 · Synced Oct 8, 2026, 5:54 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Study of Lunesta Versus Placebo for Sleep Problems Related to Smoking Cessation and Zyban

NCT00511134
View directory record Official record
Conditions
Insomnia, Nicotine Dependence
Interventions
Eszopiclone, Bupropion
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 9, 2022 · Synced Oct 8, 2026, 5:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Drug /Cue Interactions In Alcohol-Tobacco Comorbidity

NCT00816231
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Tobacco, Alcoholic Beverage, Placebo
Behavioral · Other
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
21 Years to 55 Years
Enrollment
244 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2019
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 6, 2019 · Synced Oct 8, 2026, 5:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Changing Thought and Action in Tobacco Dependence With Transcranial Magnetic Stimulation

NCT00973622
View directory record Official record
Conditions
Tobacco Dependence
Interventions
repetitive transcranial magnetic stimulation (rTMS) 10 Hertz (Hz), repetitive transcranial magnetic stimulation (rTMS) 20Hz, SHAM repetitive transcranial magnetic stimulation (rTMS)
Device
Lead sponsor
University of Arkansas
Other
Eligibility
19 Years to 55 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Sep 24, 2013 · Synced Oct 8, 2026, 5:54 AM EDT
Completed Not applicable Interventional Results available

A Trial of E-cigarettes in Current Cigarette Smokers

NCT02357173
View directory record Official record
Conditions
Smoking, Nicotine Dependence, Nicotine Dependence, Other Tobacco Product
Interventions
electronic cigarette, cigarette group
Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Oct 8, 2026, 5:54 AM EDT
Completed Early Phase 1 Interventional

IV Pulsed-Nicotine as a Model of Smoking: The Effects of Dose and Delivery Rate

NCT05176418
View directory record Official record
Conditions
Nicotine Dependence
Interventions
low dose Nicotine, high dose Nicotine
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 8, 2026, 5:54 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 8, 2026, 5:54 AM EDT
Completed Not applicable Interventional Results available

Brain Stimulation For Cancer Smokers

NCT03419741
View directory record Official record
Conditions
Cancer of Head and Neck, Breast Cancer, Prostate Cancer, Nicotine Dependence
Interventions
Transcranial Magnetic Stimulation Clinical Research System
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 13, 2022 · Synced Oct 8, 2026, 5:54 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Assessing Top Down and Bottom Up Attention Mechanisms in Smokers Using Nicotine Nasal Spray

NCT01136642
View directory record Official record
Conditions
Drug Addiction, Nicotine Dependence
Interventions
Nicotrol
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Oct 8, 2026, 5:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Smartphone Application (ACT on Vaping) for Vaping Cessation in Young Adults

NCT05897242
View directory record Official record
Conditions
Nicotine Dependence, Nicotine Addiction, Nicotine Use Disorder, Nicotine Vaping, Vaping
Interventions
Smartphone app, Text Message, Survey Administration
Behavioral · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 30 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 24, 2025 · Synced Oct 8, 2026, 5:54 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Cessation Screening Project

NCT04188873
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
538 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 Jun 17, 2026 · Synced Oct 8, 2026, 5:54 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

GABA (Gamma Amino Butyric Acid) Medication for Tobacco

NCT00644137
View directory record Official record
Conditions
Nicotine Dependence
Interventions
pregabalin, cigarettes
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 2, 2020 · Synced Oct 8, 2026, 5:54 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Treating Smokeless Tobacco Use in Rural Veterans

NCT02994082
View directory record Official record
Conditions
Smokeless Tobacco, Nicotine Dependence
Interventions
Tailored behavioral intervention, Behavioral activation for elevated depressive symptoms, Post-cessation weight gain management, Alcohol use risk reduction, Nicotine replacement therapy - transdermal nicotine patch, Nicotine replacement therapy - nicotine lozenge, Nicotine replacement therapy - nicotine gum, Bupropion sustained release, Varenicline, Combination nicotine replacement therapy, Combination nicotine replacement therapy + bupropion, Tobacco quit line, Educational materials
Behavioral · Drug
Lead sponsor
Mark Vander Weg
Federal
Eligibility
18 Years to 99 Years
Enrollment
123 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 24, 2019 · Synced Oct 8, 2026, 5:54 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 8, 2026, 5:54 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Varenicline for Light Smokers

NCT01639560
View directory record Official record
Conditions
Smoking
Interventions
Varenicline, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 22, 2018 · Synced Oct 8, 2026, 5:54 AM EDT