NCT04143256
Evaluating Selected Constituents in the Exhaled Breath Samples No drug interventions other Not Available completed NCT04819152
Effectiveness of Tobacco Cessation Interventions in Sweden No drug interventions Not Available Not Available unknown_status NCT04399031
Effects of e-Cigarettes on Perceptions and Behavior - Substudy 1 other Not Available completed NCT05958979
Effects of e-Cigarettes on Perceptions and Behavior - Remote Substudy # 1 No drug interventions other Not Available completed NCT04107779
Changes in Biomarkers of Cigarette Smoke Exposure After Switching Either Exclusively or Partly to JUUL ENDS No drug interventions other Not Available completed NCT05958966
Effects of e-Cigarettes on Perceptions and Behavior - Substudy 2 No drug interventions other Not Available completed NCT05958992
Effects of e-Cigarettes on Perceptions and Behavior - Remote Substudy # 2 No drug interventions other Not Available completed NCT06291597
Vaping Adverse Lung and Heart Events Cohort No drug interventions Not Available Not Available recruiting NCT04709471
E-cigarette Nicotine Study other 2 completed NCT04271371
Preventing Relapse to Smoking Among Prisoners After Release No drug interventions Not Available Not Available completed NCT04378907
Assessing Electronic Cigarette Nicotine Flux No drug interventions basic_science Not Available completed NCT04613609
Vaporized Nicotine and Autonomic Control No drug interventions basic_science 0 completed NCT04450537
PACE Vape Messaging Study No drug interventions prevention Not Available completed NCT04192032
Assessing the Effect of Flavor on ENDS Users' Experiences and Exposures No drug interventions other Not Available completed NCT04258852
Understanding Factors That Influence Electronic Cigarette Nicotine Delivery Through PET Imaging of Beta-2 Nicotinic Acetylcholine Receptors other Not Available withdrawn NCT06474299
The Avenues Study: Dual Use Cessation treatment 4 not_yet_recruiting NCT04708106
Characterization of Product Use in Smokers Switching From Cigarettes to a RELX Electronic Nicotine Delivery System No drug interventions other Not Available completed NCT06489249
Role of Inflammation in Vascular Phenotype Associated With E-cigarette Use basic_science 0 not_yet_recruiting NCT04907136
Developing and Testing Health Warning Labels on the ENDS Device No drug interventions prevention Not Available recruiting NCT04123041
Characterize the Nicotine Uptake and Subjective Effects With Use of JUUL Electronic Nicotine Delivery Systems No drug interventions other Not Available completed NCT04854616
Cessation of Smoking Trial in the Emergency Department No drug interventions treatment Not Available completed NCT05306158
Dual Use Approach Bias Training for Nicotine Addiction No drug interventions treatment Not Available active_not_recruiting NCT06177158
Efficacy of Oral Hygiene Instructions on Proinflammatory Cytokines Among Cigarette Smokers and Individuals Vaping Electronic Cigarettes During Plaque Induced Gingivitis (Clinical Trial) No drug interventions prevention Not Available not_yet_recruiting NCT05206435
Methadone-Maintained Smokers Switching to E-Cigarettes prevention 4 recruiting NCT05280535
Dual Use of ENDS and Combustible Cigarettes No drug interventions basic_science Not Available recruiting NCT05278065
E-cigarettes for Harm Reduction in Adults With Asthma No drug interventions treatment Not Available recruiting NCT04522973
The Impact of Oral Ethanol and Vaped Ethanol on the Evaluation of Impairment No drug interventions basic_science Not Available completed NCT05423340
Effect of E-Liquid Flavor on Respiratory Symptoms in People Using Electronic Nicotine Delivery Systems No drug interventions prevention Not Available recruiting NCT04135404
Factors That Impact the Relationship Between Pulmonary Status and Actual Electronic Cigarette Use No drug interventions Not Available Not Available completed NCT06472869
Assessing E-Cigarettes for Tobacco Harm Reduction in the Context of Lung Cancer Screening No drug interventions treatment Not Available not_yet_recruiting NCT03826303
The Impact of Vaping Ethanol in the Evaluation of Impairment No drug interventions basic_science Not Available completed NCT06063421
Comparison of Nicotine Replacement Therapy and Electronic Cigarettes for Smoking Cessation in Pakistan treatment Not Available not_yet_recruiting NCT04151784
Factors That Impact the Relationship Between Pulmonary Status and Susceptibility to Electronic Cigarette Use No drug interventions Not Available Not Available completed NCT06142877
Effects of Social Media Use on Young Adults' E-Cigarette Use No drug interventions treatment Not Available recruiting NCT06087328
CAN-DOSE Study: Cessation With Augmented Nicotine for Dual Use Of Smoking and E-cigarettes treatment 2 recruiting NCT05396911
Development of UP2UTobacco for High School Youth No drug interventions prevention Not Available active_not_recruiting NCT04640285
Nicotine Uptake, Measures of Abuse Liability, and Puffing Topography With Use of RELX ENDS Products by Smokers No drug interventions other Not Available completed NCT05134415
Use Behavior, Nicotine Uptake, and Subjective Effects Comparison of Tobacco and Menthol e-Liquids by ENDS Consumers No drug interventions other Not Available completed NCT03974152
Effects of Nicotine Salt Aerosol on Cigarette Smokers No drug interventions basic_science Not Available terminated NCT04088175
Study to Characterize Puffing Topography With Use of JUUL Electronic Nicotine Delivery Systems (ENDS) in Adult, Closed-System ENDS Consumers No drug interventions other Not Available completed NCT05801419
Nicotine Influence on the Retina Following the Use of Electronic Cigarette basic_science Not Available completed NCT04316234
Acute Health Effects of Passive Vape Among COPD Patients No drug interventions prevention Not Available completed NCT04620616
Nicotine Uptake, Measures of Abuse Liability, and Puffing Topography With Use of RELX ENDS Products by ENDS Consumers No drug interventions other Not Available completed NCT05118139
CSD201203: A Study to Determine Subject Puffing Patterns of a Non-cylindrical, Closed, Electronic Nicotine Delivery System at Three Nicotine Concentrations in an Ambulatory Setting No drug interventions other Not Available unknown_status NCT04332926
Effects of E-Cigarette Nicotine Content in Smokers (Nicotine Flux Study) No drug interventions basic_science Not Available completed NCT05205382
Assessing the Effect of Nicotine Reduction on ENDS User's Addiction and Exposures No drug interventions prevention Not Available recruiting NCT05316727
Electronic Nicotine Delivery Devices and Potential Progression to Acute Lung Injury No drug interventions Not Available Not Available recruiting NCT05338801
Effect of Menthol on ENDS Users' Addiction and Exposure No drug interventions prevention Not Available recruiting NCT05881304
Switching Individuals in Treatment for Opioid Use Disorder Who Smoke Cigarettes to the SREC No drug interventions treatment Not Available not_yet_recruiting NCT05971823
Effects of Electronic Cigarette Flavors on Abuse Liability in Smokers (P3-Taste) No drug interventions basic_science Not Available completed