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ClinicalTrials.gov public records Last synced Oct 14, 2026, 12:57 PM EDT

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Showing 265–288 of 860 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Tobacco Abuse Clear all
Completed Not applicable Interventional Accepts healthy volunteers

RITCH: Reducing Disparities in Tobacco Cessation Outcomes

NCT02785536
View directory record Official record
Conditions
Smoking Cessation
Interventions
RITCh Treatment, Standard Treatment
Behavioral
Lead sponsor
The City College of New York
Other
Eligibility
18 Years and older
Enrollment
256 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 1, 2016 · Synced Oct 14, 2026, 12:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

E-cigarettes and Blood Vessel Function

NCT02740595
View directory record Official record
Conditions
Nicotine Dependence
Interventions
one time exposure to e-cig with nicotine, one time exposure to e-cig without nicotine, one time exposure to empty e-cig
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 45 Years
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Oct 14, 2026, 12:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Low-Cost Contingency Management for Smoking Cessation

NCT01040260
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Counseling, Contingency management, Nicotine patches
Other · Behavioral · Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 6, 2018 · Synced Oct 14, 2026, 12:57 PM 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 14, 2026, 12:57 PM 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 14, 2026, 12:57 PM EDT
Active, not recruiting Not applicable Interventional

A Future Thinking Intervention for Comorbid Tobacco Use Disorder and Bipolar Disorder

NCT06609902
View directory record Official record
Conditions
Bipolar Disorder, Tobacco Use Disorder
Interventions
Future Self-BD, Daily Check-Ins
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Oct 14, 2026, 12:57 PM EDT
Completed Not applicable Interventional Results available

Mobile Contingency Management for Marijuana and Tobacco Cessation

NCT02869451
View directory record Official record
Conditions
Cigarette Smoking, Marijuana Abuse
Interventions
bupropion, transdermal nicotine patch, Nicotine polacrilex, nicotine lozenge, counseling for marijuana and smoking cessation, mobile contingency management
Drug · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 70 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 7, 2020 · Synced Oct 14, 2026, 12:57 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Comparative Pharmacokinetics and Pharmacodynamics of Synthetic Nicotine

NCT05962229
View directory record Official record
Conditions
Nicotine Dependence, Nicotine Vaping
Interventions
(S)-Nicotine, (R)- nicotine, Racemic nicotine
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 14, 2026, 12:57 PM 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 14, 2026, 12:57 PM EDT
Completed Phase 1 Interventional

Enhanced Quitline Intervention in Smoking Cessation for Patients With Non-Metastatic Lung Cancer

NCT01457469
View directory record Official record
Conditions
Limited Stage Small Cell Lung Cancer, Recurrent Small Cell Lung Cancer, Stage IA Non-small Cell Lung Cancer, Stage IB Non-small Cell Lung Cancer, Stage IIA Non-small Cell Lung Cancer, Stage IIB Non-small Cell Lung Cancer, Stage IIIA Non-small Cell Lung Cancer, Stage IIIB Non-small Cell Lung Cancer, Tobacco Use Disorder
Interventions
questionnaire administration, quality-of-life assessment, counseling intervention, internet-based intervention, telephone-based intervention, educational intervention, nicotine replacement therapy
Other · Procedure · Behavioral + 1 more
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 1, 2018 · Synced Oct 14, 2026, 12:57 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Tobacco Cut and Nicotine Form on the Abuse Liability of Moist Snuff

NCT06249984
View directory record Official record
Conditions
Tobacco-Related Carcinoma
Interventions
Biospecimen Collection, Carbon Monoxide Measurement, Smokeless Tobacco Use, Survey Administration
Procedure · Behavioral · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
2
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 14, 2026, 12:57 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Impact of Smoking Cessation on Sleep - 5

NCT00132821
View directory record Official record
Conditions
Tobacco Use Cessation, Sleep Disorders
Interventions
Bupropion, Transdermal Nicotine Patch, Placebo Bupropion, Placebo transdermal nicotine patch
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Menlo Park, California
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 14, 2026, 12:57 PM EDT
Not listed Not applicable Interventional

Using ANDS to Reduce Harm for Low SES Cigarette Smokers

NCT05327439
View directory record Official record
Conditions
Smoking, Cigarette, Nicotine Dependence
Interventions
Nicotine (electronic cigarette), Nicotine (nicotine pouch)
Other
Lead sponsor
Brown University
Other
Eligibility
21 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 26, 2023 · Synced Oct 14, 2026, 12:57 PM EDT
Not listed Phase 2Phase 3 Interventional Accepts healthy volunteers

Efficacy and Safety of Combination EMB-001 as a Potential Smoking Cessation Treatment

NCT04868253
View directory record Official record
Conditions
Smoking Cessation, Tobacco Use Disorder
Interventions
EMB-01
Drug
Lead sponsor
Rose Research Center, LLC
Industry
Eligibility
21 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated May 28, 2021 · Synced Oct 14, 2026, 12:57 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Genetic Differences in Limbic Activation Associated With Nicotine Withdrawal

NCT00664404
View directory record Official record
Conditions
Smoking
Interventions
Functional Magnetic Resonance Imaging (fMRI)
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 24, 2012 · Synced Oct 14, 2026, 12:57 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Cardiovascular Disease Risk Factors in Chinese American Immigrants

NCT00362128
View directory record Official record
Conditions
Hypertension, Cardiovascular Diseases, Diabetes Mellitus, Metabolic Syndrome X
Interventions
Not listed
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
2,072 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 21, 2020 · Synced Oct 14, 2026, 12:57 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Vaping High vs. Low Nicotine E-Liquid

NCT04047836
View directory record Official record
Conditions
Cardiovascular Risk Factor, Nicotine Dependence
Interventions
Low Nicotine E-Liquid, Medium or High Nicotine E-Liquid
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 22, 2023 · Synced Oct 14, 2026, 12:57 PM EDT
Completed Phase 2 Interventional Results available

Effectiveness of GSK598809, a Selective D3 Antagonist, Added to CBT and NRT for Smoking Cessation and Relapse Prevention

NCT01188967
View directory record Official record
Conditions
Nicotine Dependence
Interventions
GSK598809, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 23, 2017 · Synced Oct 14, 2026, 12:57 PM EDT
Withdrawn Phase 1Phase 2 Interventional

Study of Varencline Effects on Cigarette Smoking Reward and Craving During a Model of Brief Quit Attempt

NCT00571805
View directory record Official record
Conditions
Nicotine Dependence
Interventions
varencline, placebo
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 9, 2015 · Synced Oct 14, 2026, 12:57 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Understanding How Cigarette Direct Mail Marketing Influences Smoking Behaviors Among High and Low Socioeconomic Status Young Adult Smokers

NCT02974582
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Exposure to smoking advertising with coupon, Exposure to smoking advertising without coupons, Exposure to non health related images
Behavioral
Lead sponsor
National Institute on Minority Health and Health Disparities (NIMHD)
NIH
Eligibility
18 Years to 29 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Oct 14, 2026, 12:57 PM EDT
Withdrawn Not applicable Interventional

Effects of Tobacco Abuse Liability-dependent Taxes in the ETM

NCT07042373
View directory record Official record
Conditions
Cigarette Smoking Behavior
Interventions
Control, Product Category Score, Product Category Rank, Product Tiers
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
21 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 14, 2026, 12:57 PM EDT
Completed Not applicable Interventional

Addressing Psychological Risk Factors Underlying Smoking Persistence in COPD Patients: The Fresh Start-II Study

NCT04646174
View directory record Official record
Conditions
Copd, Smoking Cessation, Nicotine Dependence, Tobacco Use, Cigarette Smoking
Interventions
Unified Protocol adapted for smoking cessation, American Lung Association self-management strategies for smoking cessation
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 29, 2023 · Synced Oct 14, 2026, 12:57 PM EDT
Terminated Phase 2 Interventional Results available

Targeted Pharmacological and Behavioral Treatments for Smoking in Schizophrenia Study 1

NCT03507127
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Varenicline, Placebo
Drug
Lead sponsor
Brown University
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 17, 2022 · Synced Oct 14, 2026, 12:57 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Nicotine Lozenge or Tobacco-Free Snuff for Smokeless Tobacco Reduction

NCT01018394
View directory record Official record
Conditions
Tobacco Dependence
Interventions
nicotine lozenges, tobacco-free snuff
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
2
States / cities
Rochester, Minnesota • Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 13, 2013 · Synced Oct 14, 2026, 12:57 PM EDT