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ClinicalTrials.gov public records Last synced Oct 25, 2026, 2:59 PM EDT

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Showing 73–96 of 687 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Cigarette Use Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Smartphone Application for Smoking Cessation

NCT02134509
View directory record Official record
Conditions
Smoking
Interventions
Experimental App, Active Comparator App
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
511 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 16, 2020 · Synced Oct 25, 2026, 2:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Development of Biomarkers of Effect From Chronic Tobacco Usage

NCT01923402
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Not listed
Lead sponsor
R.J. Reynolds Tobacco Company
Industry
Eligibility
35 Years to 60 Years · Male only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
High Point, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 19, 2016 · Synced Oct 25, 2026, 2:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Project RESIST: Increasing Resistance to Tobacco Marketing Among Young Adult Sexual Minority Women Using Inoculation Message Approaches

NCT04812795
View directory record Official record
Conditions
Cigarette Smoking Behavior
Interventions
Culturally tailored anti-smoking messages, Non-culturally tailored interventions
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years to 30 Years
Enrollment
2,214 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Stanford, California • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 15, 2023 · Synced Oct 25, 2026, 2:59 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Project 1, Study 2: Extended Exposure to Low Nicotine Content Cigarettes in Childbearing Age Women

NCT02250534
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
775 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
2
States / cities
Baltimore, Maryland • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Dec 1, 2022 · Synced Oct 25, 2026, 2:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Incorporating Financial Incentives to Increase Smoking Cessation Among Asian Americans Residing in New York City

NCT03397511
View directory record Official record
Conditions
Smoking Cessation, Smoking, Cigarette
Interventions
Financial Incentives
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 90 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 8, 2019 · Synced Oct 25, 2026, 2:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessing the Effect of Flavor on ENDS Users' Experiences and Exposures

NCT04192032
View directory record Official record
Conditions
Electronic Cigarette Use
Interventions
Preferred Juul pod flavor (5% nicotine), Classic Tobacco Juul pod flavor (5% nicotine), Preferred flavor with HWL, Preferred flavor, 3% nicotine, Preferred flavor, 0% nicotine
Other
Lead sponsor
Florida International University
Other
Eligibility
18 Years to 24 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 26, 2021 · Synced Oct 25, 2026, 2:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effects of Memantine and Bupropion on Acute, Reinforcing, and Conditioned Effects of Cigarettes - 1

NCT00136747
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Memantine, bupropion, placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 21, 2018 · Synced Oct 25, 2026, 2:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Impact of Chronic E-Cigarette Usage on Microvascular Health

NCT06860698
View directory record Official record
Conditions
E-Cig Use
Interventions
E-cig use
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 29 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 25, 2026, 2:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effectiveness of Smoking Cessation Guidelines in the Emergency Department

NCT00756704
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Smoking cessation guideline implementation
Behavioral
Lead sponsor
University of Iowa
Other
Eligibility
18 Years and older
Enrollment
789 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
2
States / cities
Des Moines, Iowa • Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Nov 4, 2011 · Synced Oct 25, 2026, 2:59 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Developing and Testing Health Warning Labels on the ENDS Device

NCT04907136
View directory record Official record
Conditions
Electronic Cigarette Use
Interventions
Preferred ENDS, Preferred ENDS with HWL
Other
Lead sponsor
Florida International University
Other
Eligibility
21 Years to 35 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 25, 2026, 2:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impact of E-Cigarette Prevention Messages on Adolescents

NCT05985538
View directory record Official record
Conditions
Vaping Behavior
Interventions
Vaping prevention text messages, Wellness behaviors text messages
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
13 Years to 20 Years
Enrollment
480 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 25, 2026, 2:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of E-Cigarette Nicotine Content in Smokers (Nicotine Flux Study)

NCT04332926
View directory record Official record
Conditions
Electronic Cigarette Use
Interventions
Tobacco product administration and assessment, own brand cigarettes, Tobacco product administration and assessment, ECIG 30 Watts, 0 mg/ml nicotine, Tobacco product administration and assessment, ECIG 30 Watts, 8 mg/ml nicotine, Tobacco product administration and assessment, ECIG 30 Watts, 15 mg/ml nicotine, Tobacco product administration and assessment, ECIG 30 Watts, 30 mg/ml nicotine
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 55 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 13, 2025 · Synced Oct 25, 2026, 2:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tobacco/Nicotine Purchase Patterns Across SES

NCT06795997
View directory record Official record
Conditions
Smoking Behaviors, Smoking, Non-Tobacco Products, Smoking, Cigarette
Interventions
Tax Conditions, Control Condition
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years and older
Enrollment
663 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Oct 25, 2026, 2:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Quit Smoking With Nicotine Patch and Exercise/Health Education (Females Only)

NCT01522274
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Moderate intensity exercise, Health education
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
113 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 1, 2017 · Synced Oct 25, 2026, 2:59 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Working Inside for Smoking Elimination

NCT01122589
View directory record Official record
Conditions
Cigarette Smoking, Tobacco Smoking
Interventions
Motivational Interviewing/CBT, CONcise Tapes Reviewing Obstacles to healthy Living (CONTROL)
Behavioral · Other
Lead sponsor
Memorial Hospital of Rhode Island
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Pawtucket, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 9, 2010 · Synced Oct 25, 2026, 2:59 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Cigarette Harm Reduction With Electronic Cigarette Use

NCT03473483
View directory record Official record
Conditions
Nicotine Dependence, Tobacco Toxicity, Nicotine Dependence, Cigarettes, Cardiovascular Risk Factor, Nicotine Withdrawal
Interventions
SREC
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 9, 2022 · Synced Oct 25, 2026, 2:59 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

E-cigarette Cessation in Adults Who Co-use Cannabis

NCT06688539
View directory record Official record
Conditions
Nicotine Dependence, Tobacco Use Disorder
Interventions
Varenicline Pill, Contingency management, Counseling
Drug · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 40 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
3
States / cities
Charleston, South Carolina • Lancaster, South Carolina • Pickens, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 25, 2026, 2:59 PM EDT
Not yet recruiting Not applicable Interventional

E-cigarette Social Media Marketing and Its Perceptions by Youth

NCT07694739
View directory record Official record
Conditions
Vaping
Interventions
Exposure to Influencer Age and Context Variations in E-Cigarette Marketing
Other
Lead sponsor
University of Southern California
Other
Eligibility
14 Years to 17 Years
Enrollment
6,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2030
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 25, 2026, 2:59 PM EDT
Completed Not applicable Interventional Results available

Examining the Generality of Laboratory-based Findings and Their Moderators in the ITC Study

NCT06456671
View directory record Official record
Conditions
Cigarette Smoking, Nicotine Vaping
Interventions
All nicotine/ tobacco products at market price, Nicotine vaping products at 1/2 market price, Heated tobacco products at 1/2 market price., Nicotine pouch products at 1/2 market price.
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
21 Years and older
Enrollment
440 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Oct 25, 2026, 2:59 PM EDT
Withdrawn Phase 2 Interventional

Electronic Nicotine Delivery Systems as a Smoking Cessation Treatment

NCT02487953
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine patch, ENDS, Placebo patch, Placebo ENDS
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 12, 2018 · Synced Oct 25, 2026, 2:59 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 25, 2026, 2:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reducing Tobacco Use Disparities Among Low-Income Adults

NCT03077737
View directory record Official record
Conditions
Cigarette Smoking, Nicotine Dependence
Interventions
Choose to Change, Enhanced usual care
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
190 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 21, 2022 · Synced Oct 25, 2026, 2:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smoking, Stress, HIV and Mobile Technology

NCT05709002
View directory record Official record
Conditions
Cigarette Smoking
Interventions
MASP+, Control
Behavioral
Lead sponsor
University of Houston
Other
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 25, 2026, 2:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Sensitivity to Intravenous Nicotine: Genetic Moderators

NCT00969137
View directory record Official record
Conditions
Nicotine Dependence
Interventions
saline, Nicotine
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years
Enrollment
213 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 19, 2017 · Synced Oct 25, 2026, 2:59 PM EDT