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ClinicalTrials.gov public records Last synced Oct 4, 2026, 1:24 PM EDT

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Showing 73–96 of 860 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Tobacco Abuse Clear all
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Nicotine Virtual Reality Conditioned Place Preference

NCT06259630
View directory record Official record
Conditions
Nicotine Addiction, Nicotine Use Disorder
Interventions
Nicotine, Placebo oral capsule
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 35 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 14, 2024 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Appeal and Impact of E-cigarettes in Smokers With SMI

NCT03050853
View directory record Official record
Conditions
Tobacco Dependence, Schizophrenia, Bipolar Disorder, Schizoaffective Disorder
Interventions
E-cigarette
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
2
States / cities
Louisville, Kentucky • Lawrence, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 29, 2021 · Synced Oct 4, 2026, 1:24 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers

A Smoking Intervention Study Using Scheduled Gradual Reduction With Varenicline to Help With Cessation

NCT01772641
View directory record Official record
Conditions
Nicotine Addiction
Interventions
Scheduled Gradual Reduction + Varenicline, Scheduled Gradual Reduction + Placebo Drug, Basic Advice + Varenicline, Basic Advice + Placebo Drug
Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 16, 2016 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 4 Interventional Results available

N-Acetylcysteine for Smoking Cessation in Tobacco and Cannabis Co-Use

NCT04627922
View directory record Official record
Conditions
Cannabis Use, Tobacco Use Disorder, Drug Use Disorder
Interventions
N-Acetyl cysteine, Placebo comparator, Cognitive behavioral therapy (CBT)
Drug · Other · Behavioral
Lead sponsor
Ellen Herbst
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 4, 2026, 1:24 PM 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 4, 2026, 1:24 PM EDT
Withdrawn Not applicable Interventional

Korean Youth Smoking Cessation Study

NCT02021175
View directory record Official record
Conditions
Smoking
Interventions
Tailored CBME Therapy via Technology, Standard of Care
Behavioral · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
14 Years to 19 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 25, 2020 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Framing Messages for Smoking Cessation With Bupropion - 6

NCT00104598
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Bupropion, Smoking Abstinence Program
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
252 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2006
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 9, 2013 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Behavioral Therapy for Reduction in Smoking Craving

NCT00449293
View directory record Official record
Conditions
Smoking Cessation, Tobacco Dependence
Interventions
standard cognitive behavioral therapy, Mindfulness Based Cognitive Therapy
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 31, 2017 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Varenicline on Cigarette Self Administration

NCT00731055
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Varenicline, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 18, 2018 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Varenicline for the Treatment of Smokeless Tobacco

NCT00813917
View directory record Official record
Conditions
Nicotine Dependence
Interventions
varenicline, placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 16, 2012 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Not applicable Interventional

A Feasibility Study of Smoking Cessation Program in Radiation Oncology

NCT00236288
View directory record Official record
Conditions
Cancer and Tobacco Abuse
Interventions
Bupropion and intensive behavioral therapy
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 31, 2007 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Comparisons of Nicotine-free Cigarettes, Extra Low Nicotine Cigarettes vs. Medicinal Nicotine

NCT00777569
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Nicotine free cigarettes, Extra-low nicotine cigarettes, Nicotine Lozenge
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 70 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 16, 2017 · Synced Oct 4, 2026, 1:24 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Lung HIV Microbiome Project (Michigan Site)

NCT02392182
View directory record Official record
Conditions
Healthy Participants, Tobacco Use Disorder, Human Microbiome
Interventions
Fiberoptic bronchoscopy
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 80 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 16, 2016 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Not applicable Interventional Results available

A Quit Smoking Study Using Smartphones

NCT02164383
View directory record Official record
Conditions
Smoking Cessation, Smoking, Nicotine Dependence
Interventions
Nicotine patch, Cessation Counseling, Mobile Games
Drug · Behavioral · Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 3, 2019 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Not applicable Interventional

Clinical Effort Against Secondhand Smoke (CEASE) Program or Standard Care in Helping Parents Stop Smoking

NCT00664261
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
smoking cessation intervention, cancer prevention, counseling intervention, educational intervention, laboratory biomarker analysis, questionnaire administration, survey administration, study of high risk factors
Behavioral · Other · Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
Not listed
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 18, 2013 · Synced Oct 4, 2026, 1:24 PM EDT
Recruiting Not applicable Interventional

Implementation of Tobacco Cessation Programming at Community Behavioral Health Sites

NCT06837220
View directory record Official record
Conditions
Nicotine Use Disorder, Smoking Cessation, Smoking Cessation Intervention
Interventions
Enhanced Courage to Quit
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 26 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 3 Interventional

Reducing Ethnic Health Disparities: Motivating HIV+ Latinos to Quit Smoking

NCT00503230
View directory record Official record
Conditions
Tobacco Dependence, HIV Infections
Interventions
Standard Care Intervention (SCI), Culturally Tailored Intervention (CTI)
Behavioral
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
8
States / cities
Lowell, Massachusetts • New Bedford, Massachusetts • Roxbury, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated May 3, 2013 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

AXS-05 Phase II Trial on Smoking Behavior

NCT03471767
View directory record Official record
Conditions
Smoking Cessation, Smoking, Cigarette, Nicotine Dependence
Interventions
AXS-05, Bupropion SR
Drug
Lead sponsor
James Davis
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 19, 2022 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Bupropion Treatment for Youth Smoking Cessation

NCT00344695
View directory record Official record
Conditions
Nicotine Dependence
Interventions
bupropion SR
Drug
Lead sponsor
University of Arizona
Other
Eligibility
14 Years to 17 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2003
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 27, 2006 · Synced Oct 4, 2026, 1:24 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Transcranial Magnetic Brain Stimulation to Reduce Cannabis Use in Heavy Cannabis Users

NCT05401929
View directory record Official record
Conditions
Cannabis
Interventions
iTBS
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2029
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 4, 2026, 1:24 PM EDT
Completed No phase listed Observational

Nicotine Reinforcement and Smoking-Cue Reactivity: Association With Genetic Polymorphisms

NCT01505725
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 64 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Effects of Chantix on Relapse Prevention for Smoking Cessation

NCT00948649
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Placebo, Varenicline
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 17, 2010 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acute Effects of Vaping Nicotine on Cognition in Young Adults

NCT04901208
View directory record Official record
Conditions
Nicotine Addiction, Vaping
Interventions
Nicotine pod, Placebo pod
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 30 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 22, 2024 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

UW Quitting Using Intensive Treatment Study (QUITS)

NCT03176784
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Varenicline, Nicotine patch, Placebo Patch, Placebo Pill
Drug · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
1,251 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 23, 2023 · Synced Oct 4, 2026, 1:24 PM EDT