Not applicableLooking for participantsNCT06291597What this trial is testingVaping Adverse Lung and Heart Events CohortWho this might be right forVapingElectronic Cigarette Use Laval University 250
Post-approval studies (Phase 4)Study completedNCT03235505What this trial is testingEfficacy and Safety of E-cigarettes for Smoking Cessation in Middle-aged Heavy SmokersWho this might be right forSmoking CessationElectronic Cigarette University of Oulu 450
Testing effectiveness (Phase 2)Looking for participantsNCT05722561What this trial is testingE-Cigarettes for Harm Reduction in Smokers With Opioid Use DisorderWho this might be right forOpioid Use DisorderCigarette Smoking NYU Langone Health 302
Not applicableStudy completedNCT03786042What this trial is testingTrial on the Effect of E-cigarette Advertising on Cigarette Perceptions in AdolescentsWho this might be right forAttentional BiasSmoking CuesPositive Perceptions About Cigarette Smoking+2 more Trustees of Dartmouth College 139
Not applicableStudy completedNCT04244773What this trial is testingESTxENDS Trial: MN Substudy - Micronuclei in Buccal Epithelium, a Surrogate Measure of Future Cancer Risk, Induced by Electronic Nicotine Delivery Systems (ENDS/Vaporizer/E-cig)Who this might be right forSmoking CessationMicronuclei University of Bern 1,246
Not applicableEnded earlyNCT02612701What this trial is testingE-Cigarette Aerosol, Conventional Cigarette Smoke, and Myocardial PerfusionWho this might be right forCoronary Artery DiseaseMyocardial Perfusion Cedars-Sinai Medical Center 20
Not applicableStudy completedNCT04271371What this trial is testingPreventing Relapse to Smoking Among Prisoners After ReleaseWho this might be right forSmokingSmoking ReductionElectronic Cigarette Use University of Nottingham 40
Not applicableStudy completedNCT05037656What this trial is testingTesting a School-Based E-cigarette, Tobacco, and Betel (Areca) Nut Use Prevention Curriculum for Guam YouthsWho this might be right forTobacco SmokingVapingTobacco Chewing University of Guam 538
Not applicableStudy completedNCT04170907What this trial is testingPharmacokinetics and Pharmacodynamics of Different Nicotine Salt Concentration Vape System Pods and Free-base NicotineWho this might be right forNicotine Dependence Insel Gruppe AG, University Hospital Bern 20
Not applicableStudy completedNCT02740595What this trial is testingE-cigarettes and Blood Vessel FunctionWho this might be right forNicotine Dependence University of California, Los Angeles 148
Very early researchStudy completedNCT06602492What this trial is testingCompensatory Behavior of E-cig Users in Response to Reduced Nicotine E-liquidsWho this might be right forHealthyNicotine AddictionElectronic Cigarette Use Rochester Institute of Technology 72
Not applicableStudy completedNCT04568395What this trial is testingAcute Effects of TCIG vs ECIG in PLWHWho this might be right forE Cigarette UseVapingSmoking+6 more University of California, Los Angeles 37
Not applicableStudy completedNCT03844672What this trial is testingImpact of E-cigarette Characteristics on Reinforcement and Tobacco Use PatternsWho this might be right forSmokingTobacco Use Medical University of South Carolina 93
Not applicableStudy completedNCT05432830What this trial is testingSex Differences in E-cig Perception: Study 1Who this might be right forNicotine AddictionE-Cig UseCigarette Smoking+1 more Yale University 66
Not applicableStudy completedNCT04088175What this trial is testingStudy to Characterize Puffing Topography With Use of JUUL Electronic Nicotine Delivery Systems (ENDS) in Adult, Closed-System ENDS ConsumersWho this might be right forElectronic Cigarette Use Juul Labs, Inc. 56
Not applicableStudy completedNCT03164668What this trial is testingMenthol Flavored E-cigarette Use During a Simulated Ban of Menthol CigarettesWho this might be right forTobacco Use Disorder University of Minnesota 37
Not applicableStudy completedNCT05072925What this trial is testingBIDI Stick ENDS Abuse Liability and Puffing Topography AssessmentWho this might be right forE-cigarette UseCigarette Smoking BIDI Vapor 18
Early research (Phase 1)Study completedNCT06169813What this trial is testingE-cigarette Harm Reduction Among PLWHA in South AfricaWho this might be right forTobacco Smoking NYU Langone Health 106
Not applicableStudy completedNCT02825459What this trial is testingDoes Abstinence From E-cigarettes Produce Withdrawal Symptoms?Who this might be right forSubstance Withdrawal Syndrome University of Vermont 147
Not applicableUnknownNCT05482581What this trial is testingThe Impact of Policies Regarding E-cigarette on Adolescents and Young Adults' Cognition and Behavior for E-cigaretteWho this might be right forE-Cig Use Sun Yat-sen University 453