Post-approval studies (Phase 4)Study completedNCT02203162What this trial is testingEffect of Electronic Cigarette Use on Cough Reflex SensitivityWho this might be right forCough Montefiore Medical Center 30
Not applicableStudy completedNCT03593239What this trial is testingComparing the Pharmacokinetics of Nicotine Salt Based ENDS in Healthy SmokersWho this might be right forNicotine DependenceNicotine Dependence, CigarettesTobacco Use+1 more Juul Labs, Inc. 24
Not applicableStudy completedNCT04522973What this trial is testingThe Impact of Oral Ethanol and Vaped Ethanol on the Evaluation of ImpairmentWho this might be right forElectronic Cigarette Use Virginia Commonwealth University 12
Not applicableStudy completedNCT05134415What this trial is testingUse Behavior, Nicotine Uptake, and Subjective Effects Comparison of Tobacco and Menthol e-Liquids by ENDS ConsumersWho this might be right forElectronic Cigarette Use Cheerain HK Limited 40
Not applicableNot Yet RecruitingNCT07612696What this trial is testingImpact of Electronic Cigarette Temperature and Solvent on BiomarkersWho this might be right forOxidative StressTobacco UseElectronic Cigarettes Milton S. Hershey Medical Center 50
Large-scale testing (Phase 3)Study completedNCT02521662What this trial is testingThe Use of Nicotine Patches Together With E-cigarettes (With and Without Nicotine) for Smoking CessationWho this might be right forSmoking Cessation University of Auckland, New Zealand 1,124
Not applicableStudy completedNCT03011710What this trial is testingEpidemiology and Acute Oral Effects Electronic CigaretteWho this might be right forNicotine Dependence, Cigarettes Semmelweis University 14
Not applicableStudy completedNCT05280535What this trial is testingDual Use of ENDS and Combustible CigarettesWho this might be right forSmoking, CigaretteElectronic Cigarette Use Brown University 82
Not applicableStudy completedNCT05423340What this trial is testingEffect of E-Liquid Flavor on Respiratory Symptoms in People Using Electronic Nicotine Delivery SystemsWho this might be right forElectronic Cigarette Use Roswell Park Cancer Institute 163
Not applicableStudy completedNCT03194256What this trial is testingEvaluating New Nicotine Standards for Cigarettes - Project 3Who this might be right forSmoking, CigaretteElectronic Cigarettes Brown University 80
Not applicableLooking for participantsNCT07124702What this trial is testingCessation of Dual Use of Cigarettes and E-cigarettes During PregnancyWho this might be right forDual Use of Cigarettes and E-cigarettesGestational Weight GainBirth-weight-for-gestational-age z Score State University of New York at Buffalo 45
Not applicableWithdrawnNCT03379025What this trial is testingEffects of Electronic Cigarettes in Cigarette Smokers With Mild to Moderate COPDWho this might be right forCOPDTobacco Use Massachusetts General Hospital
Not applicableStudy completedNCT05306158What this trial is testingDual Use Approach Bias Training for Nicotine AddictionWho this might be right forTobacco SmokingElectronic Cigarette UseSubstance Use University of Houston 107
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 completedNCT03284632What this trial is testingE-Cigarette - DNA AdductsWho this might be right forSmokingCigarette SmokingElectronic Cigarettes University of Minnesota 217
Not applicableWithdrawnNCT03473483What this trial is testingCigarette Harm Reduction With Electronic Cigarette UseWho this might be right forNicotine DependenceTobacco ToxicityNicotine Dependence, Cigarettes+2 more University of California, San Francisco
Not applicableStudy completedNCT05316727What this trial is testingElectronic Nicotine Delivery Devices and Potential Progression to Acute Lung InjuryWho this might be right forAcute Lung InjuryPulmonary InjuryElectronic Cigarette Use+1 more University of Pittsburgh 101
Post-approval studies (Phase 4)Not Yet RecruitingNCT07786896What this trial is testingEvaluation of Dependence and Nicotine Replacement Therapy-Supported Cessation Efforts Among Regular Electronic Cigarette UseWho this might be right forE Cigarette UseCessation, TobaccoCessation, Nicotine West Virginia University 100
Large-scale testing (Phase 3)Active Not RecruitingNCT03630614What this trial is testingRandomized Trial of Electronic Cigarettes With or Without Nicotine in Smoking Cessation.Who this might be right forSmoking CessationSmoking, CigaretteElectronic Cigarette Assistance Publique - Hôpitaux de Paris 650
Early research (Phase 1)Study completedNCT03209661What this trial is testingVascular Effects of a Single Bout of Electronic Cigarette UseWho this might be right forArterial Stiffness University of Texas at Austin 16