Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 26, 2026, 10:31 AM EDT

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Showing 1–14 of 14 matching trials from the live ClinicalTrials.gov search.
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Conditions
Tobacco Use Disorder
Interventions
Cigarette flavor restricted and e-cigarette flavor restricted, Cigarette flavor restricted and e-cigarette flavor unrestricted, Cigarette flavor unrestricted and e-cigarette flavor restricted, Cigarette flavor unrestricted and e-cigarette flavor unrestricted
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
21 Years and older
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Roanoke, Virginia
Conditions
Cigarette Smoking Behavior
Interventions
Manipulation of nicotine/tobacco product price and availability
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
21 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Roanoke, Virginia
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Menthol and Mint Experimental Tobacco Marketplace (ETM) Study

NCT04879225
Conditions
Cigarette Smoking, Vaping
Interventions
Tobacco e-liquids, Menthol and Tobacco e-liquids, Mint, Menthol and Tobacco e-liquids, All e-liquid flavors
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years and older
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Alcohol Use, E-cigarette Use, Cigarette Use
Interventions
Experimental Tobacco Marketplace, Hypothetical Novel Nicotine Product Purchase Tasks
Behavioral
Lead sponsor
Mark J Rzeszutek, PhD
Other
Eligibility
21 Years and older
Enrollment
737 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Lexington, Kentucky
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
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 Accepts healthy volunteers Results available

The Interaction of Flavor With Nicotine Form in Adult Smokers

NCT04262817
Conditions
Nicotine Dependence
Interventions
Nicotine form, E-cigarette experimental flavor
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
21 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Completed Not applicable Interventional Results available

E-cigarettes for Harm Reduction in Adults With Asthma

NCT05278065
Conditions
Smoking, Asthma, Electronic Cigarette Use, Cigarette Smoking
Interventions
Nicotine
Other
Lead sponsor
Brown University
Other
Eligibility
21 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Completed Phase 1 Interventional Accepts healthy volunteers

Flavors and E-cigarette Effects in Adolescent Smokers- STUDY 2

NCT03168191
Conditions
Nicotine Dependence
Interventions
Nicotine, Experimental Flavor, Menthol Flavor
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 20 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Cigarette Smoking
Interventions
Smoking Cessation Intervention, Functional Assessment, Questionnaire Administration
Behavioral · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Buffalo, New York
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
Craving
Interventions
Pleasant Odor, Odor Blank
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 49 Years
Enrollment
232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Sex Differences in E-cig Perception: Study 1

NCT05432830
Conditions
Nicotine Addiction, E-Cig Use, Cigarette Smoking, Sex Differences
Interventions
E-liquid Flavor 1, E-liquid Flavor 2, E-liquid Flavor 3
Other
Lead sponsor
Yale University
Other
Eligibility
21 Years to 44 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
New Haven, Connecticut