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ClinicalTrials.gov public records Last synced Sep 26, 2026, 12:54 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Smoking Cessation, Electronic Cigarette Use
Interventions
Varenicline, Nicotine patch, Dual Focused Cessation Counseling, Smoking Focused Cessation Counseling, Counseling Intensity: 1 Session, Counseling Intensity: 4 Sessions
Drug · Behavioral · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Smoking, Tobacco
Interventions
P2611222, P2615022, P2615122, P2613422
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 65 Years
Enrollment
668 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
27
States / cities
Chandler, Arizona • Fort Smith, Arkansas • Altamonte Springs, Florida + 21 more
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility of a Decision Aid for E-Cigarettes in Primary Care

NCT03836573
Conditions
Smoking, Cigarette, Smoking Cessation
Interventions
Smoking Cessation iPad Decision Aid Tool
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 100 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
E-Cig Use
Interventions
ECIG own, ECIG Vuse
Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years to 25 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Smoking ( Cigarette)
Interventions
Nicotine 0.05 mg/pulse and 0.1 mg/pulse, Saline Placebo (0.5mL injection), sucralose, Sugar syrup (Placebo)
Drug · Dietary Supplement
Lead sponsor
Yale University
Other
Eligibility
21 Years to 59 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
West Haven, Connecticut
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Impact of Alternative Nicotine-Delivery Products on Combustible Cigarette Use

NCT04084210
Conditions
Nicotine Dependence
Interventions
Juul Electronic cigarette, Very Low Nicotine Cigarettes, Active Nicotine Patch, Placebo Patch
Device · Other · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years and older
Enrollment
209 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Survey to Test the Nicotine Concentration and Nicotine Flux Labels for E-cigarettes

NCT07553585
Conditions
Nicotine Labeling for E-cigarettes
Interventions
Updated Labeling
Other
Lead sponsor
Yale University
Other
Eligibility
14 Years and older
Enrollment
2,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
New Haven, Connecticut
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
NJOY King 26 mg nicotine Electronic Nicotine Delivery System
Other
Lead sponsor
LA Clinical Trials
Other
Eligibility
18 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Burbank, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Responses to Message Source and Presentation Using Psychophysiology

NCT06269003
Conditions
Vaping
Interventions
Expert, one-sided, Expert, two-sided, Peer, one-sided, Peer, two-sided
Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 24 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Worcester, Massachusetts
Conditions
Vaping, E-Cig Use
Interventions
cytisinicline, Placebo, Behavioral support
Drug · Behavioral
Lead sponsor
Achieve Life Sciences
Industry
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
5
States / cities
Lexington, Kentucky • Boston, Massachusetts • Rochester, New York + 2 more
Completed Not applicable Interventional Accepts healthy volunteers

The MARY-JANE Cannabis and Heart Rhythm Trial

NCT06021613
Conditions
Premature Atrial Contractions, Premature Ventricular Contractions
Interventions
Randomized instructions
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years and older
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
San Francisco, California
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Hyperpolarized Xenon-129 MR Imaging of the Lung

NCT04662658
Conditions
E-Cig Use
Interventions
Hyperpolarized Xenon -129 MRI
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Recruiting Phase 1 Interventional Accepts healthy volunteers

Imaging Sex Differences in Smoking-Induced Pulmonary Inflammation

NCT03721822
Conditions
Smoking, Cigarette, Smoking E-cigarette, Healthy Volunteer
Interventions
[18F]NOS
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 45 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

E-Cigarettes and SNA

NCT02724241
Conditions
Nicotine Dependence
Interventions
one time exposure to e-cig with nicotine, One time exposure to e-cigarette without nicotine, one time exposure to empty e-cigarette
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 45 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

Effects of e-Cigarettes on Perceptions and Behavior - Substudy 1

NCT04399031
Conditions
Electronic Cigarette Use, Cigarette Use, Electronic, Vaping, Cigarette Smoking
Interventions
E-cigarette e-liquid
Drug
Lead sponsor
University of Southern California
Other
Eligibility
21 Years and older
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Electronic Cigarettes on Nicotine Concentrations

NCT01775787
Conditions
Health Behavior
Interventions
Nicotine with Tobacco Flavor and Tobacco & Menthol Flavor
Drug
Lead sponsor
UConn Health
Other
Eligibility
18 Years to 55 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Farmington, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study to Evaluate Nicotine Uptake and Biomarkers in Adult Smokers Using mybluTM Electronic Cigarettes

NCT04429932
Conditions
Healthy Volunteers
Interventions
Myblu flavor A_2.4, Myblu flavor B_2.4, Myblu flavor C_2.4, Myblu flavor D_2.4, Myblu flavor E_1.2, Myblu flavor F_1.2, Myblu flavor G_2.4, Myblu flavor H_2.4
Other
Lead sponsor
Fontem US LLC
Industry
Eligibility
21 Years to 65 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Lincoln, Nebraska
Terminated Not applicable Interventional Accepts healthy volunteers

Investigation of the Effects of Electronic Cigarettes on Vascular Health

NCT03041493
Conditions
Vascular Health
Interventions
Electronic cigarette, traditional cigarette, (sham cigarette) - no actual exposure to cigarettes
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
New York, New York
Conditions
Electronic Nicotine Delivery Systems, Tobacco Products, Cigarette Smoking
Interventions
EQUIP, Standard Care
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 26 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Smoking
Interventions
Own Brand Menthol Cigarette, Electronic Menthol Cigarette #1, Electronic Menthol Cigarette #2, Electronic Menthol Cigarette #3, Leading U.S. Nicotine Gum
Other
Lead sponsor
R.J. Reynolds Vapor Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Lincoln, Nebraska
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparative Abuse Liability Among African American and White Smokers

NCT04646668
Conditions
Tobacco Use Disorder
Interventions
E-cigarette and Heat not burn
Combination Product
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
21 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Kansas City, Missouri
Recruiting Not applicable Interventional Accepts healthy volunteers

Sex Differences in E-Cigarette Perception

NCT07398976
Conditions
Nicotine Dependence, E-cigarette Use
Interventions
Nicotine Level 1 (0mg/ml), Nicotine Level 2 (36mg/ml), Nicotine Level 3 (59mg/ml)
Other
Lead sponsor
Yale University
Other
Eligibility
21 Years to 44 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Nicotine Use Disorder
Interventions
E-liquid coolant (No WS-3) for non-menthol (1), E-liquid coolant (No WS-3) for low (0.1%) menthol (1), E-liquid coolant (No WS-3) for high (2.0%) menthol (1), E-liquid coolant (Low [0.1%] WS-3) for non-menthol (2), E-liquid coolant (Low [0.1%] WS-3) for low (0.1%) menthol (2), E-liquid coolant (Low [0.1%] WS-3) for high (2.0%) menthol (2), E-liquid coolant (High [2.0%] WS-3) for non-menthol (3), E-liquid coolant (High [2.0%] WS-3) for low (0.1%) menthol (3), E-liquid coolant (High [2.0%] WS-3) for high (2.0%) menthol (3), E-liquid coolant (Low [0.1%] WS-23) for non-menthol (4), E-liquid coolant (Low [0.1%] WS-23) for low (0.1%) menthol (4), E-liquid coolant (Low [0.1%] WS-23) for high (2.0%) menthol (4), E-liquid coolant (High [2.0%] WS-23) for non-menthol (5), E-liquid coolant (High [2.0%] WS-23) for low (0.1%) menthol (5), E-liquid coolant (High [2.0%] WS-23) for high (2.0%) menthol (5), E-liquid coolant (4% WS-23) for non-menthol (6), E-liquid coolant (4% WS-23) for low (0.1%) menthol (6), E-liquid coolant (4% WS-23) for high (2.0%) menthol (6)
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut