Not applicableStudy completedNCT02069483What this trial is testingTesting Methods of Self-persuasion Involving Cigarette SmokingWho this might be right forSmoking Duke University 48
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 completedNCT00948454What this trial is testingResearch Study on the Effects of Smoking on ArteriesWho this might be right forSmoking University of Pennsylvania 105
Not applicableStudy completedNCT01921439What this trial is testingOCAST Cessation StudyWho this might be right forTobacco Smoking BehaviorCigarette Smoking BehaviorSecond Hand Tobacco Smoke+1 more University of Oklahoma 152
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 applicableLooking for participantsNCT06819969What this trial is testingThe Canadian Lung Outcomes in Users of Vaping Devices StudyWho this might be right forSmall Airways DiseasesVapingVaping Related Disorder+2 more University of British Columbia 500
Not applicableStudy completedNCT05847673What this trial is testingAvatar-Led Digital Therapeutic for Aiding Smoking Cessation in Sexual and Gender Minority Young AdultsWho this might be right forCigarette Smoking-Related Carcinoma Fred Hutchinson Cancer Center 125
Post-approval studies (Phase 4)Study completedNCT01664741What this trial is testingNicotine Dependence, Withdrawal and Replacement Therapy Assessed by PET ImagingWho this might be right forNicotine Dependence Johns Hopkins University 127
Not applicableStudy completedNCT02328794What this trial is testingRandomized Clinical Trial to Reduce Harm From TobaccoWho this might be right forSmoking Cessation University of Pennsylvania 6,006
Not applicableStudy completedNCT02061917What this trial is testingSwitching From Usual Brand Cigarettes to a Tobacco-heating Cigarette or SnusWho this might be right forCigarette Smoking R.J. Reynolds Tobacco Company 163
Not applicableStudy completedNCT03742817What this trial is testingEffects of e-Cigarettes on Perceptions and BehaviorWho this might be right forElectronic Cigarettes University of Southern California 45
Not applicableStudy completedNCT01627392What this trial is testingMechanisms of the Nicotine Metabolism Effect on Tobacco DependenceWho this might be right forCigarette Smoking University of California, San Francisco 305
Not applicableStudy completedNCT02664012What this trial is testingComparison of Nicotine Plasma Concentrations and Subjective Effects for Three Menthol Electronic Cigarettes vs Combustible Menthol Cigarettes and Nicotine GumWho this might be right forSmoking R.J. Reynolds Vapor Company 71
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 completedNCT05458895What this trial is testingEvaluating E-Cigarette Nicotine Form, Concentration, and Flavors Among YouthWho this might be right forE-cigarette Use Ohio State University Comprehensive Cancer Center 88
Not applicableStudy completedNCT02515500What this trial is testingCigarette Reduction Using the Quitbit Digital Lighter and Mobile Application for Smoking Cessation: a Randomized Controlled TrialWho this might be right forSmoking Cessation University of California, San Francisco 124
Not applicableNot Yet RecruitingNCT07274475What this trial is testingSmoking Harm Reduction Using E-cigarettes and CytisineWho this might be right forTobacco SmokingHarm ReductionNicotine Centre for Addiction and Mental Health 6,000
Not applicableStudy completedNCT03915730What this trial is testingSmoking and Peptidoglycan Recognition Protein-1 and Initial Periodontal TherapyWho this might be right forSmoking, Cigarette Kırıkkale University 80
Not applicableStudy completedNCT03885336What this trial is testingCouples Dynamics and Smoking CessationWho this might be right forSmokingSmoking CessationCessation, Smoking+2 more University of Southern California 212
Not applicableStudy completedNCT03364751What this trial is testingEffect of Switching From Cigarette Smoking to the Use of IQOS on Periodontitis Treatment OutcomeWho this might be right forPeriodontal DiseasesChronic PeriodontitisPeriodontal Pocket+3 more Philip Morris Products S.A. 179