Not applicableEnded earlyNCT07172438What this trial is testingA RCT to Determine the Effect of ENDS Flavor Availability on Abstinence Within SmokersWho this might be right forSmokingTobacco RAI Services Company 668
Not applicableStudy completedNCT04123041What this trial is testingCharacterize the Nicotine Uptake and Subjective Effects With Use of JUUL Electronic Nicotine Delivery SystemsWho this might be right forElectronic Cigarette UseTobacco Smoking Juul Labs, Inc. 137
Not applicableStudy completedNCT02210754What this trial is testingCharacterization of Nicotine Exposure and Urge-to-Smoke Following Use of Electronic and Conventional CigarettesWho this might be right forSmoking Lorillard Tobacco Company 24
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
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
Not applicableStudy completedNCT03075202What this trial is testingRole of an E-cigarette on Smoking Displacement in Smokers With SchizophreniaWho this might be right forSchizophrenia and Related Disorders Weill Medical College of Cornell University 1
Not applicableStudy completedNCT05960305What this trial is testingCSD201204 An Actual Use Study of P12 Electronic Nicotine Delivery System Among U.S. Adult SmokersWho this might be right forSmoking, Tobacco RAI Services Company 1,845
Post-approval studies (Phase 4)Study completedNCT05206435What this trial is testingMethadone-Maintained Smokers Switching to E-CigarettesWho this might be right forNicotine DependenceElectronic Cigarette Use Butler Hospital 183
Not applicableUnknownNCT04014322What this trial is testingThe Effect of Electronic Cigarette Use on Smoking Behaviors Among Smokers Receiving Outpatient Psychiatric TreatmentWho this might be right forTobacco SmokingPsychiatric Disorders Fordham University 50
Not applicableStudy completedNCT01164072What this trial is testingEfficacy and Safety of an Electronic Nicotine Delivery Device (E-Cigarette)Who this might be right forHealthy SmokersSmoking Cessation Universita degli Studi di Catania 100
Not applicableLooking for participantsNCT06372899What this trial is testingNoncombustible Nicotine Delivery Systems as Potential Harm Reduction Tools for Persistent Cigarette SmokersWho this might be right forE-cigarette UseCigarette SmokingHarm Reduction+1 more Abramson Cancer Center at Penn Medicine 200
Not applicableStudy completedNCT03596034What this trial is testingCharacterize Puff Topography With Use of JUUL 5% Electronic Nicotine Delivery Systems (ENDS) in Adult SmokersWho this might be right forTobacco UseNicotine Dependence, Other Tobacco ProductTobacco Smoking Juul Labs, Inc. 30
Not applicableStudy completedNCT05949034What this trial is testingEffects of E-Cigarettes in Menthol SmokersWho this might be right forE-cigarette UseSmoking Behaviors University of Southern California 19
Not applicableStudy completedNCT04107779What this trial is testingChanges in Biomarkers of Cigarette Smoke Exposure After Switching Either Exclusively or Partly to JUUL ENDSWho this might be right forElectronic Cigarette UseCigarette Use, ElectronicTobacco Use+1 more Juul Labs, Inc. 279
Not applicableUnknownNCT03153228What this trial is testingAcute Response to Cigarette and E-cigarette Smoking Assesed in Exhaled Breath Condensate in Healthy Smokers of Traditional and E-cigarettesWho this might be right forE-cigarettes Medical University of Warsaw 87
Not applicableStudy completedNCT02323438What this trial is testingAssess Biomarkers of Tobacco Exposure and Nicotine Pharmacokinetics in Smokers After a 5-Day In-Clinic Confinement Switch to an Electronic Cigarette or Nicotine GumWho this might be right forSmoking R.J. Reynolds Vapor Company 153
Not applicableStudy completedNCT03105804What this trial is testingCSD170301: An Unblinded, Parallel, Randomized Study to Assess Nicotine Uptake in Smokers From Four Different Electronic CigarettesWho this might be right forSmoking RAI Services Company 144
Not applicableStudy completedNCT05278065What this trial is testingE-cigarettes for Harm Reduction in Adults With AsthmaWho this might be right forSmokingAsthmaElectronic Cigarette Use+1 more Brown University 17
Not applicableStudy completedNCT03861078What this trial is testingThe Effect of Electronic Cigarette Liquid Characteristics in Smokers.Who this might be right forElectronic Cigarettes Virginia Commonwealth University 22
Not applicableLooking for participantsNCT07598136What this trial is testingDetermine the Effects of ENDS Flavor Availability on Abstinence Within SmokersWho this might be right forSmokingTobacco RAI Services Company 1,280