Clinical trials: E-cigarettes
Smoking Cessation
Understanding Risk Perception, Behaviour, and Attitudes Related to Other New Tobacco Products Among Youth
To understand the risk perception, behaviour, and attitudes related to electronic cigarettes and other tobacco products among youth.
- Trial name
- NCT04416698
- Testing
- Individual qualitative interview, cross-sectional survey study
- Where
- Hong Kong
- Volunteers
- 390 people
- Sponsor
- The University of Hong Kong
Nicotine Dependence
Pharmacokinetics and Pharmacodynamics of Different Nicotine Salt Concentration Vape System Pods and Free-base Nicotine
Comparison of the pharmacokinetics and pharmacodynamics of two different nicotine salt concentrations and free-base nicotine using an open vape pod system
- Trial name
- NCT04170907
- Testing
- standardized vaping protocol
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Vaping, E-cigarette Use
PACE Vape Messaging Study
The purpose of this study is to examine the effect of exposure to vape education messages on beliefs, perceptions, norms, and behaviors related to electronic vapor product use.
- Conditions
- Vaping, E-cigarette Use, Electronic Cigarette Use
- Trial name
- NCT04450537
- Testing
- Vape Messaging Intervention
- Where
- United States
- Volunteers
- 569 people, healthy volunteers welcome
- Sponsor
- University of Vermont
Electronic Cigarette Use, Retina; Change
Nicotine Influence on the Retina Following the Use of Electronic Cigarette
The marketing of electronic cigarettes (e-cigarettes) in 2003 was initially intended to present a healthier alternative to smokers.
- Trial name
- NCT05801419
- Testing
- RETI-port/scan 21, Zilia Ocular, OCT-A
- Where
- Canada
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Christian Casanova
Healthy
Effects of E-smoke on Levels of Endothelial Progenitor Cells and Microparticles in Healthy Volunteers
We plan to investigate the acute effects of inhaling e-cigarette vapor on cell function measured by microvesicles and endothelial progenitor cells.
- Trial name
- ESMOKE (NCT02532894)
- Testing
- Electronic cigarette
- Where
- Sweden
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Karolinska Institutet
Tobacco Use
Cigarette and E-cigarette Nicotine Content in an Electronic Tobacco Marketplace (ETM)
This study is proposing a four condition Electronic Tobacco Marketplace (ETM) study to determine if banning normal nicotine content (NNC) is sufficient for encouraging smokers to switch to potentially less harmful products or if…
- Trial name
- NCT05320887
- Testing
- 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
- Where
- United States
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Electronic Cigarette Use
Effect of E-Liquid Flavor on Respiratory Symptoms in People Using Electronic Nicotine Delivery Systems
This is a randomized, parallel-group open-label trial to evaluate respiratory symptoms in ENDS users switching from banned flavors to a non-banned flavor (tobacco) or 'tobacco free' nicotine pouches.
- Trial name
- CRoFT (NCT05423340)
- Testing
- E-cigarette Flavor, Tobacco Free Nicotine Pouch
- Where
- United States
- Volunteers
- 163 people, healthy volunteers welcome
- Sponsor
- Roswell Park Cancer Institute
Vaping Cessation
Phase 3 Trial Evaluating the Efficacy and Safety of Cytisinicline for Vaping Cessation in Adults Using Nicotine-Containing E Cigarettes
This will be a multi-center, double-blind, randomized, placebo-controlled, Phase 3 study conducted in male or female adults who are daily nicotine e-cigarette users only.
- Trial name
- ORCA-V2 (NCT07392125)
- Testing
- Cytisinicline, Behavioral Support
- Volunteers
- 800 people
- Sponsor
- Achieve Life Sciences
Vaping Behaviors, Message Exposure
A Text Messaging Trial to Test Vaping Health Messages Optimized to Young Adults' Vaping Status
The goal of this study is to examine if e-cigarette education messages delivered using a source and presentation tailored to one's vaping status influences young adults' vaping behaviors.
- Conditions
- Vaping Behaviors, Message Exposure, Young Adults
- Trial name
- NCT07038317
- Testing
- Intervention, Control
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Hawaii
Hiv, Lung Injury
Effects of Using E-Cigarettes on Lungs in People With HIV (HBS Ancillary)
This is an ancillary study, thus participants will be recruited from participants in the HBS Study. This project acutely assesses the role of the e-cigarettes and vaping on lung health.
- Trial name
- HBS Ancillary (NCT04794543)
- Where
- 2 sites in United States
- Volunteers
- 23 people
- Sponsor
- Pennington Biomedical Research Center
Electronic Cigarette Use
Effects of Electronic Cigarette Flavors on Abuse Liability in Smokers (P3-Taste)
The purpose of this study is to determine if abuse liability indices will be impacted by varying flavors and e-cigarette (ECIG) nicotine delivery capability (i.e., nicotine flux) among current combustible cigarette users.
- Trial name
- NCT05971823
- Testing
- Tobacco product administration and assessment
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Virginia Commonwealth University
Chronic Obstructive Pulmonary Disease
Influence of Electronic Cigarettes in the Evaluation of the Inflammatory Response in Patients With a Diagnosis of COPD
This study evaluates the local and systemic inflammatory response in the airway in COPD patients who consume electronic cigarettes compared with conventional cigarette smokers.
- Trial name
- NCT02892396
- Where
- Spain
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Fundacio Catalana de Pneumologia
Sudden Cardiac Death, Prolonged QTc Interval
Smoking and Ventricular Repolarization
Randomized controlled trial of acute use of electronic cigarette or tobacco cigarette on parameters of ventricular repolarization.
- Trial name
- NCT03916341
- Testing
- EC with nicotine, EC without nicotine, control
- Where
- United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles
Cough
Effect of Electronic Cigarette Use on Cough Reflex Sensitivity
Although electronic cigarettes (e-cigs) are now widely used, very little information exists regarding the effect of electronic cigarette use (vaping) on the respiratory system.
- Trial name
- NCT02203162
- Testing
- electronic cigarette exposure
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Montefiore Medical Center
Smoking Cessation, Electronic Cigarette
Efficacy and Safety of E-cigarettes for Smoking Cessation in Middle-aged Heavy Smokers
Abstract Rationale. Electronic cigarette use is increasing at an exponential rate in Finland and internationally. The health consequences of vaporised aerosols in electronic cigarettes are largely unknown especially in a long…
- Trial name
- EFFECT (NCT03235505)
- Testing
- Nicotine, Varenicline Tartrate, Motivational Interview
- Where
- Finland
- Volunteers
- 450 people, healthy volunteers welcome
- Sponsor
- University of Oulu
Tobacco Use, Electronic Cigarette Use
Just-in-Time Support for Smoking, Vaping, and Eating Urges During High-Stress Moments Among Gender and Sexual Minority Adults in Dhaka
Gender and sexual minority adults in Bangladesh experience high levels of stigma-related stress. Acute stress can trigger strong, affect-driven urges to smoke, vape, or engage in stress-attributed eating.
- Conditions
- Tobacco Use, Electronic Cigarette Use, Emotional Eating, Stress, Psychological
- Trial name
- NCT07746492
- Testing
- Just-in-Time Adaptive Support Message
- Where
- Bangladesh
- Volunteers
- 115 people
- Sponsor
- International Centre for Diarrhoeal Disease Research, Bangladesh
Smoking, Smoking, Cigarette
Impact of New Standards for Tobacco Products Among Dual E-Cigarette/Combusted Cigarette Users - Project 2
The purpose of the study is to evaluate how limiting the nicotine content in regular cigarettes affects choices for regular cigarette and e-cigarette products.
- Conditions
- Smoking, Smoking, Cigarette, E-Cig Use, Nicotine Dependence
- Trial name
- NCT05473585
- Testing
- very low nicotine content cigarettes, normal nicotine content cigarettes, Study e-cigarette
- Where
- United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Duke University
Vascular Reactivity, Serum Biomarkers
MRI and Biological Markers of Acute E-Cigarette Exposure in Smokers and Vapers
To examine vascular reactivity and inflammatory biomarkers via quantitative magnetic resonance imaging (MRI) and blood serum, respectively, in a crossover study where active vapers (electronic cigarette users) and smokers will…
- Trial name
- AeCE (NCT05271578)
- Testing
- Standardized Electronic Research Cigarette, Nicotine Research Cigarette
- Where
- United States
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
Electronic Nicotine Delivery Systems, Tobacco Products
Development of a Mobile Health Intervention for Electronic Cigarette Use Among Young Adults
Electronic Nicotine Delivery Systems (ENDS) use remains prevalent among young adults, and many have high interest in quitting, yet research on effective intervention is lacking.
- Conditions
- Electronic Nicotine Delivery Systems, Tobacco Products, Cigarette Smoking
- Trial name
- EQUIP (NCT06395415)
- Testing
- EQUIP, Standard Care
- Where
- United States
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- University of Chicago
Smoking
Electronic Cigarette Use and Quitting in Youth
A mixed method (longitudinal, trajectory and qualitative studies) to provide comprehensive evidence on the impact of e-cigarette use on smoking and quitting among smoking youth in Hong Kong.
- Trial name
- NCT02949648
- Testing
- Electronic cigarette
- Where
- Hong Kong
- Volunteers
- 189 people
- Sponsor
- The University of Hong Kong