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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
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Terminated Not applicable Interventional Accepts healthy volunteers Results available

In-vivo Effects of E-cigarette Aerosol on Innate Lung Host Defense

NCT03700892
View directory record Official record
Conditions
Smoking, Healthy
Interventions
Cinnamaldehyde e-liquid, PG/VG e-liquid
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 40 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 9, 2021 · Synced Sep 8, 2026, 5:46 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Evaluation of Acute and Subacute Effects of Nicotine Free Electronic Cigarette(NCFE) Vapors

NCT02585791
View directory record Official record
Conditions
Healthy Lifetime Non-smokers
Interventions
Propylene Glycol, vegetable glycerin, PG+VG
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced Sep 8, 2026, 5:46 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of Electronic Cigarette (ECIG) Liquid Vehicles on ECIG Acute Effects

NCT02500615
View directory record Official record
Conditions
Nicotine Exposure, Nicotine Withdrawal Suppression
Interventions
ECIG liquid vehicles
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 55 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated May 6, 2018 · Synced Sep 8, 2026, 5:46 PM EDT
Completed Not applicable Interventional

Feasibility and Acceptability of Switching to E-cigarettes Among Cigarette Smokers Engaged in SUD Treatment

NCT05918887
View directory record Official record
Conditions
Tobacco Dependence Caused by Cigarettes
Interventions
NJOY ACE commercial e-cigarette
Device
Lead sponsor
University of Nevada, Reno
Other
Eligibility
21 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated May 12, 2025 · Synced Sep 8, 2026, 5:46 PM EDT