Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 3, 2026, 8:49 AM EDT

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Showing 1–5 of 5 matching trials from the live ClinicalTrials.gov search.
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Conditions
Nicotine, E-liquid Flavors
Interventions
Nicotine 0 mg/mL, Nicotine 6 mg/mL, Nicotine 12 mg/mL, Nicotine 24 mg/mL, 'Menthol' flavor, 'Menthol/Mint' flavor, 'Green Apple' flavor, 'Watermelon' flavor, 'Unflavored'
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 30 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Electronic Cigarette Use
Interventions
RELX ENDS Tobacco Flavor 1, RELX ENDS Tobacco Flavor 2, RELX ENDS Menthol Flavor 1, RELX ENDS Menthol Flavor 2
Other
Lead sponsor
Cheerain HK Limited
Industry
Eligibility
22 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Burbank, California
Conditions
Smoking, Tobacco
Interventions
P1213416, P1213422, P1213716, P1213722, P1211216, P1211222, P1213616, P1213622, P1213816, P1213822, P1211916, P1211922
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
1,845 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
12
States / cities
Phoenix, Arizona • Fort Lauderdale, Florida • Orlando, Florida + 9 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of E-Liquid Flavor on Respiratory Symptoms in People Using Electronic Nicotine Delivery Systems

NCT05423340
Conditions
Electronic Cigarette Use
Interventions
E-cigarette Flavor, Tobacco Free Nicotine Pouch
Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
21 Years to 55 Years
Enrollment
163 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Buffalo, New York
Completed Not applicable Interventional Accepts healthy volunteers Results available

Project 2 Cigarette and E-cigarette Nicotine Content and E-liquid Flavors

NCT03185546
Conditions
Smoking
Interventions
NNC Spectrum Cigarette, VLNC Spectrum Cigarette, Moderate nicotine level e-liquid, Low nicotine level e-liquid, Tobacco Flavors, Tobacco and non-tobacco e-liquid flavors
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
156 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
2
States / cities
Winston-Salem, North Carolina • Philadelphia, Pennsylvania