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ClinicalTrials.gov public records Last synced Oct 9, 2026, 5:50 AM EDT

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Showing 73–91 of 91 matching trials from the live ClinicalTrials.gov search.
Conditions
Smoking, Tobacco
Interventions
P2613422, P2611222, P2615522, P2615122, P2615422
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 65 Years
Enrollment
1,280 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
7
States / cities
Maitland, Florida • Atlanta, Georgia • St Louis, Missouri + 4 more
Conditions
Tobacco-flavored EC, Sweet-Cooling EC, Sweet Non-cooling EC
Interventions
Brief individual counseling sessions
Behavioral
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
21 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Greenville, South Carolina
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Banning Menthol Flavorant on Cigarette and E-Cigarette Use

NCT03402243
Conditions
Tobacco Use Disorder
Interventions
Menthol ban on cigarettes, Menthol ban on cigarettes and e-cigarettes, No menthol ban
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 64 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Minneapolis, Minnesota
Completed Not applicable Interventional Accepts healthy volunteers

Nicotine and Cannabis Vape Labeling Experiment - Spring 2025

NCT06919276
Conditions
Vaping, Adolescent, Electronic Cigarette Use, Nicotine, Cannabis
Interventions
Vaping Device Labeling
Other
Lead sponsor
University of Southern California
Other
Eligibility
11 Years to 19 Years
Enrollment
3,048 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Nicotine Dependence
Interventions
E-cigarettes
Combination Product
Lead sponsor
Duke University
Other
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cigarette and E-cigarette Nicotine Content in an Electronic Tobacco Marketplace (ETM)

NCT05320887
Conditions
Tobacco Use
Interventions
Normal Nicotine Content Vape with all flavor e-liquids, Normal nicotine content vape with tobacco e-liquids, Low nicotine content vape with all flavor e-liquids, Low nicotine content vape with tobacco e-liquids
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years and older
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Tobacco Use
Interventions
Brief behavioral counseling
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
21 Years and older
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Nicotine Dependence
Interventions
nicotine, menthol
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 30 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
2
States / cities
West Haven, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers

Nicotine Delivery From Novel Non-Tobacco Electronic System in Smokers

NCT02575885
Conditions
Cigarette Smoker, Current Smoker, Healthy Subject
Interventions
Electronic Cigarette, Laboratory Biomarker Analysis, Pharmacological Study, Questionnaire Administration
Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Buffalo, New York
Conditions
Smoking, Smoking, Cigarette, E-Cig Use, Nicotine Dependence
Interventions
very low nicotine content cigarettes, normal nicotine content cigarettes, Study e-cigarette
Other
Lead sponsor
Duke University
Other
Eligibility
21 Years and older
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Electronic Cigarette Use, Smoking, Cigarette, Nicotine Dependence
Interventions
NJOY ACE e-cigarette
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
50 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Assisting Smokers to Switch to a JUUL E-Cigarette by Devaluing Combustible Cigarettes

NCT04188197
Conditions
Smoking Cessation, Harm Reduction, E-Cig Use, Cigarette Smoking, Tobacco Dependence, Tobacco Use Cessation
Interventions
JUUL
Other
Lead sponsor
Rose Research Center, LLC
Industry
Eligibility
21 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
2
States / cities
Charlotte, North Carolina • Raleigh, North Carolina
Conditions
Smoking
Interventions
Leading U.S. non-menthol cigarette, Leading U.S. menthol cigarette, Electronic cigarette #1, Electronic cigarette #2, Electronic cigarette #3, U.S. Market-sample electronic cigarettes
Other
Lead sponsor
R.J. Reynolds Vapor Company
Industry
Eligibility
21 Years to 99 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Stockbridge, Georgia
Withdrawn Not applicable Interventional Accepts healthy volunteers

Cigarette Harm Reduction With Electronic Cigarette Use

NCT03473483
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
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
Completed Phase 1 Interventional Results available

Effects of E-cigarette Flavors on Youth TCORS 2.0

NCT03634839
Conditions
Nicotine Use Disorder
Interventions
Flavoring Agents, Nicotine
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 20 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Smoking Behaviors
Interventions
Aim 1: Online survey, Eye Tracking Activity, Eye tracking survey, Online Experimental Marketplace (ETM), Aim 3 survey, Cognitive Interviews, Supplemental Aim 1 Interviews
Other · Behavioral
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
16 Years to 28 Years
Enrollment
658 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Smoking Prevention and Control
Interventions
Non-Menthol Cigarettes, Tobacco Flavored E-cigarettes, Menthol Cigarettes, Menthol Flavored E-cigarettes
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Completed Not applicable Interventional Accepts healthy volunteers

United States Pre-Market Tobacco Application Pharmacokinetics

NCT03719391
Conditions
Nicotine Dependence, Nicotine Dependence, Cigarettes, Tobacco Use, Tobacco Smoking
Interventions
Virginia Tobacco flavored JUUL 5% ENDS, Cool Mint flavored JUUL 5% ENDS, Mango flavored JUUL 5% ENDS, Creme Brulee flavored JUUL 5% ENDS, VUSE Solo e-cigarette, Nicorette White Ice Mint 4mg nicotine polacrilex gum, Usual Brand combustible cigarette
Other
Lead sponsor
Juul Labs, Inc.
Industry
Eligibility
21 Years to 65 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Overland Park, Kansas