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Showing 1–24 of 1,776 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Tobacco Products Clear all
Completed Not applicable Interventional Results available

Pain and Smoking Study

NCT02971137
View directory record Official record
Conditions
Smoking, Pain, Smoking Cessation
Interventions
Smoking Cessation plus CBI, Smoking Cessation Standard
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
371 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
2
States / cities
West Haven, Connecticut • Leeds, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced Jul 23, 2026, 6:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Survey on Consumer Use of Over-the-Counter (OTC) Nicotine Patches

NCT00134927
View directory record Official record
Conditions
Nicotine Dependence, Tobacco Use Disorder
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jan 9, 2017 · Synced Jul 23, 2026, 6:10 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 22, 2015 · Synced Jul 23, 2026, 6:10 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Re-Connect Application for Smoking Cessation

NCT05224154
View directory record Official record
Conditions
Smoking Cessation, Acceptability of Health Care, Nicotine Dependence, Cigarettes
Interventions
Abstinent Contingent (AC) Re-Connect, Submission Contingent (SC) Re-Connect
Behavioral
Lead sponsor
Rowan University
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Glassboro, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 27, 2025 · Synced Jul 23, 2026, 6:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Novel Determinants and Measures of Smokeless Tobacco Use: Study 1

NCT01067586
View directory record Official record
Conditions
Smokeless Tobacco Use, Tobacco Dependence
Interventions
Not listed
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
359 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
3
States / cities
Minneapolis, Minnesota • Eugene, Oregon • Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Dec 21, 2022 · Synced Jul 23, 2026, 6:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Combining a Smoke Ending Aid With Behavioral Treatment - 1

NCT00006151
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Behavioral Therapy
Behavioral
Lead sponsor
Peter Gariti
Other
Eligibility
21 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2002
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 2, 2015 · Synced Jul 23, 2026, 6:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Contingency Management for Smoking Abstinence With Adolescent Smokers

NCT01056588
View directory record Official record
Conditions
Cigarette Smoking
Interventions
CO-Contingent, Control condition
Behavioral
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
13 Years to 19 Years
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 21, 2019 · Synced Jul 23, 2026, 6:10 AM EDT
Not listed Early Phase 1 Interventional Accepts healthy volunteers

Nicotine and Pavlovian Bias

NCT06027723
View directory record Official record
Conditions
Nicotine Vaping, Nicotine Dependence
Interventions
Nicotine, Placebo
Drug · Other
Lead sponsor
University of Southern California
Other
Eligibility
21 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 8, 2023 · Synced Jul 23, 2026, 6:10 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 7, 2024 · Synced Jul 23, 2026, 6:10 AM EDT
Completed Not applicable Interventional Results available

The Gender-Sex Hormone Interface With Craving & Stress-Related Changes in Smoking

NCT01576874
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Oxytocin, placebo
Drug
Lead sponsor
Kevin Gray, MD
Other
Eligibility
18 Years to 45 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 30, 2020 · Synced Jul 23, 2026, 6:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Project RESIST: Evaluating the Effects of Anti-smoking Inoculation Messages Among Young Adult Sexual Minority Women

NCT05499520
View directory record Official record
Conditions
Cigarette Smoking Behavior
Interventions
Culturally Tailored Anti-Smoking Messages
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years to 30 Years
Enrollment
2,591 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 30, 2024 · Synced Jul 23, 2026, 6:10 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

An Effectiveness Trial of Maintenance Therapy for Nicotine Dependence

NCT01047527
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Transdermal nicotine patch
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
525 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
2
States / cities
Chicago, Illinois • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 7, 2015 · Synced Jul 23, 2026, 6:10 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers Results available

Biomarkers of Exposure and Effect in Standardized Research E-cigarette (SREC) Users

NCT04003805
View directory record Official record
Conditions
Smoking, Cigarette
Interventions
Standardized Research E-cigarette (SREC)
Drug
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Jul 23, 2026, 6:10 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

S-Adenosyl-L-Methionine (SAMe) for Smoking Abstinence

NCT00722124
View directory record Official record
Conditions
Tobacco Dependence
Interventions
S-Adenosyl-L-Methionine, placebo
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
2
States / cities
Rochester, Minnesota • La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 8, 2011 · Synced Jul 23, 2026, 6:10 AM EDT
Completed Phase 2 Interventional Results available

Placebo-controlled Trial of Bupropion for Smoking Cessation in Pregnant Women

NCT02188459
View directory record Official record
Conditions
Smoking, Nicotine Dependence
Interventions
Bupropion
Drug
Lead sponsor
Henry Kranzler
Other
Eligibility
18 Years and older · Female only
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
3
States / cities
Newark, Delaware • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 3, 2021 · Synced Jul 23, 2026, 6:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dentistry United to Extinguish Tobacco

NCT01615237
View directory record Official record
Conditions
Tobacco Use Treatment
Interventions
Audit and performance feedback (PF), Financial Incentive (P4P), Current Best Practices (CBP)
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
3,207 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 14, 2019 · Synced Jul 23, 2026, 6:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Changes in Biomarkers of Cigarette Smoke Exposure After Switching Either Exclusively or Partly to JUUL ENDS

NCT04107779
View directory record Official record
Conditions
Electronic Cigarette Use, Cigarette Use, Electronic, Tobacco Use, Tobacco Smoking
Interventions
Switch from UB of Combustible Cigarette to JUUL 5% Virginia Tobacco ENDS, Switch from UB of Combustible Cigarette to JUUL 3% Virginia Tobacco ENDS, Switch from UB of Combustible Cigarette to JUUL 5% Mint ENDS, Switch from UB of Combustible Cigarette to JUUL 3% Mint ENDS, Switch from UB of Combustible Cigarette to JUUL 5% Menthol ENDS, Switch from UB of Combustible Cigarette to JUUL 3% Menthol ENDS, Switch from UB of Combustible Cigarette to JUUL 5% Mango ENDS, Switch from UB of Combustible Cigarette to JUUL 3% Mango ENDS, Switch to Dual-use of JUUL 5% and UB of Combustible Cigarette, Tobacco/Nicotine Abstention, Usual Brand of cigarettes
Other
Lead sponsor
Juul Labs, Inc.
Industry
Eligibility
21 Years to 65 Years
Enrollment
279 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
5
States / cities
Little Rock, Arkansas • Rogers, Arkansas • St Louis, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2020 · Synced Jul 23, 2026, 6:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Interventions to Help More Low-income Smokers Quit

NCT04311983
View directory record Official record
Conditions
Tobacco Use Cessation, Smoking Behaviors, Health Disparity
Interventions
Tobacco Quitline, Smoke Free Home
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
21 Years and older
Enrollment
1,973 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced Jul 23, 2026, 6:10 AM EDT
Completed Phase 2 Interventional

Role of Metabolites in Nicotine Dependence (2) - 5

NCT00000288
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Cotinine fumarate
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 45 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2002
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Jul 23, 2026, 6:10 AM EDT
Recruiting Not applicable Interventional

A Novel Tobacco Cessation Resource for Smokers With a Diagnosed or Suspected Thoracic Cancer

NCT07455513
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma, Malignant Thoracic Neoplasm
Interventions
Electronic Health Record Review, Informational Intervention, Interview, Referral, Smoking Cessation Intervention, Survey Administration
Other · Device
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Jul 23, 2026, 6:10 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Black Raspberry Nectar for the Prevention of Lung Cancer, BE WELL Study

NCT04267874
View directory record Official record
Conditions
Lung Carcinoma, Tobacco-Related Carcinoma
Interventions
Biospecimen Collection, Nutritional Supplementation, Placebo Administration, Questionnaire Administration
Procedure · Dietary Supplement · Drug + 1 more
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
55 Years to 77 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 30, 2023 · Synced Jul 23, 2026, 6:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Connect to Quit for Smoking

NCT01299896
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Coordinated Care, Usual Care
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
633 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 21, 2016 · Synced Jul 23, 2026, 6:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Protecting the 'Hood Against Tobacco

NCT00187603
View directory record Official record
Conditions
Smoking
Interventions
tobacco cessation program
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years and older
Enrollment
270 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2007
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 7, 2008 · Synced Jul 23, 2026, 6:10 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers Results available

A Behavioral Activation Prenatal and Postpartum Intervention for Depressed Pregnant Smokers

NCT05044546
View directory record Official record
Conditions
Depression, Tobacco Use Disorder
Interventions
Behavioral Activation Therapy, Discussion, Health Education, Questionnaire Administration, Tobacco Cessation Counseling
Behavioral · Procedure · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Jul 23, 2026, 6:10 AM EDT