Clinical trials: E-cigarette
Smoking
Comparison of Nicotine Plasma Concentrations and Subjective Effects for Three Electronic Cigarettes vs Combustible Cigarettes and Nicotine Gum
The purpose of this study is to measure plasma nicotine uptake parameters, physiological measures, and subjective effect measures in smokers during and following a single ad libitum use of three electronic cigarettes versus…
- Trial name
- NCT02269514
- Testing
- Own Brand Cigarette, Electronic Cigarette #1, Electronic Cigarette #2
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- R.J. Reynolds Vapor Company
Immune Response, Birth Weight
Impact of Electronic Cigarettes on Perinatal Immune Responsiveness and Birth Outcomes
There has been a dramatic escalation of electronic cigarette (e-cig) use among women of childbearing age, including pregnant women.
- Conditions
- Immune Response, Birth Weight, Gestational Age
- Trial name
- NCT02553577
- Where
- United States
- Volunteers
- 278 people, healthy volunteers welcome
- Sponsor
- Kristin Ashford
E-Cig Use
Responses to E-Cigarette Advertising
While conventional cigarette use continues to decline among youth and young adults, e-cigarette (EC) use is on the rise. The use of ECs during young adulthood, particularly 18 years of age, is especially alarming because it is…
- Trial name
- NCT04249219
- Testing
- Viewing e-cigarette ads
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- University of Massachusetts, Worcester
Second Hand Tobacco Smoke
Study to Evaluate Constituents in Exhaled Breath and Room Air From Use of E-vapor Products and Conventional Cigarettes
An open-label, single center, three-arm observational study to examine emissions from e-cigarettes versus conventional cigarettes under three environmental settings of typical residential, office and hospitality facilities.
- Trial name
- NCT03605641
- Testing
- JUUL, VUSE Solo, Conventional Cigarette
- Where
- Canada
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Juul Labs, Inc.
Airway Morbidity, Smoking Cessation
Adverse Airway Effects From Tobacco and E-Cigarettes
The purpose of the study conducted at VA Medical Center in Miami is to determine if smoking electronic cigarettes (known as e-cigarettes) that contain nicotine have less negative effects than regular cigarettes on the person's…
- Conditions
- Airway Morbidity, Smoking Cessation, Nicotine Adverse Reaction, Smoking, Tobacco
- Trial name
- NCT03251053
- Testing
- Electronic cigarette use, Control regular cigarette smokers
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Miami VA Healthcare System
Smoking Cessation, Vaping
Concentration Impact Nicotine Salt
Double-blind (for the two active arms), randomized, three-arm (two active and one control) clinical trial investigating factors (e.g.
- Trial name
- CINS (NCT04725656)
- Testing
- Smoking cessation counseling, Open system vape device and nicotine salt e-liquids
- Where
- Switzerland
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Smoking
E-cigarettes as a Harm Reduction Strategy
E-cigarettes have emerged as an effective strategy for replacing cigarettes among smokers from the general population, but there is a dearth of studies investigating their utility in replacing cigarettes among smokers with opioid…
- Trial name
- NCT06277271
- Testing
- E-cigarette
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Prisma Health-Upstate
Smoking
User Acceptability of a Nicotine Lactate Delivery System (P3L)
This study will provide an initial assessment of the acceptability of the Nicotine Lactate Delivery System (P3L) after ad libitum use and the ability of combustible cigarette (CC) smokers to use P3L to maintain their customary…
- Trial name
- NCT02643693
- Testing
- P3L, VUSE, CC
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Philip Morris Products S.A.
Smoking Prevention and Control
Impact of Cigarette and E-cigarette Menthol Regulation on Current Smokers of Menthol Cigarettes
In a 2x2 design, current menthol smokers (N=240) will complete a baseline period before being assigned to a cigarette (menthol or non-menthol) and e-cigarette condition (menthol or tobacco-flavored e-liquid) and receiving a…
- Trial name
- NCT05896033
- Testing
- Non-Menthol Cigarettes, Tobacco Flavored E-cigarettes, Menthol Cigarettes
- Where
- United States
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
Periodontal Diseases, Smoking
The Effect of Scaling and Root Planing on Oral Inflammatory Biomarkers Among E-cig Users and Non-smokers
Background/Aim: There are no studies that have compared the gingival crevicular fluid (GCF) levels of IL-1β in non-smokers (NS) and electronic nicotine delivery system (ENDS)-users before and after scaling and root planing (SRP)…
- Trial name
- ENDS-SRP (NCT05745324)
- Testing
- Scaling and root planing
- Where
- Kuwait
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Kuwait University
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
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
E-cigarette Use
Vape-Free Text-Messaging: Pilot Study
This is a small pilot randomized controlled trial to evaluate the feasibility, acceptability, and preliminary efficacy of the e-cigarette cessation text-messaging intervention with young adults in rural areas.
- Trial name
- NCT05906082
- Testing
- E-cigarette cessation text-messaging intervention, Standard care control using standard national resources
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Jovan Gwon, PhD, RN, FIAAN
E Cig Use
Young Adult EC Use and Respiratory Outcomes
E-cigarette (EC) use continues to increase among youth, and EC may be detrimental to youth respiratory health. Public health officials and the Food and Drug Administration (FDA) can now regulate ECs.
- Trial name
- NCT04395274
- Where
- United States
- Volunteers
- 115 people, healthy volunteers welcome
- Sponsor
- Ohio State University Comprehensive Cancer Center
Endothelial Function
Study of Vascular Function Before vs After Smoking an E-cigarette as Compared to a Normal Cigarette
Investigation of the effect of one-time use of an electronic e-cigarette in comparison to smoking a conventional cigarette on in vivo conduit endothelial function in healthy long-term smokers
- Trial name
- ECIG-8 (NCT05598125)
- Testing
- electronic cigarette (e-cigarette), conventional tobacco cigarette
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- GWT-TUD GmbH
Healthy Volunteers
An Exploratory PET-study of Deposition, Disposition and Brain Uptake of [11C]Nicotine After Inhalation of 2 Nicotine Formulations Via the myBluTM E-cigarette in Smokers
This is a single-center, exploratory positron emission tomography (PET) study of deposition, disposition and brain uptake [11C]nicotine when given to smokers as two different formulations via mybluTM e-cigarette system.
- Trial name
- NCT04780815
- Testing
- myBluTM Formulation 1, myBluTM Formulation 2
- Where
- Sweden
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Imperial Brands PLC
Nicotine Dependence
E-Cigarettes and SNA
Randomized controlled trial of electronic cigarettes with nicotine, without nicotine, and sham control, on sympathetic nerve activity and markers of oxidative stress.
- Trial name
- NCT02724241
- Testing
- one time exposure to e-cig with nicotine, One time exposure to e-cigarette without nicotine, one time exposure to empty e-cigarette
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles
E-Cig Use, Adolescent Behavior
Identifying Student Opinion Leaders to Lead E-cigarette Interventions
This research will explore the feasibility of leveraging social network analysis to identify 6th grade opinion leaders to lead a school-based e-cigarette intervention.
- Trial name
- NCT04083469
- Testing
- Peer-Led Peer-Elected Intervention, Adult-Led Intervention, Peer-Led Non-Elected Intervention
- Where
- United States
- Volunteers
- 686 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Tobacco Abuse Smoke
Pharmacokinetic Profile of Toxic Substances and Nicotine in Electronic Cigarettes
The aim of the present study is to compare serum nicotine levels of different e-Cigarette strength with usual cigarettes. Serum levels of carcinogenic and toxic substances will be also compared.
- Trial name
- KINECIG (NCT01665066)
- Testing
- Own Brand cigarette, one high 2,4% nicotine, original 7,4 mg nicotine
- Where
- Italy
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Catania
Nicotine, Vaping
Reduced HPHC Exposure in Cigarette Smokers Switching to P4M3 Gen. 2.0 Compared to Continuing Smoking, or Smoking Abstinence
To demonstrate the reduction of Biomarkers of Exposure (BoExp) to selected harmful and potentially harmful constituents (HPHC) in smokers switching from cigarette (CIG) to P4M3, an Electronic Nicotine Delivery System (ENDS)…
- Conditions
- Nicotine, Vaping, Nicotine Vaping
- Trial name
- NCT05487456
- Testing
- P4M3 CA35, P4M3 CM35, CIG
- Where
- United Kingdom
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- Philip Morris Products S.A.