Not applicableLooking for participantsNCT05338801What this trial is testingEffect of Menthol on ENDS Users' Addiction and ExposureWho this might be right forElectronic Cigarette Use Florida International University 250
Not applicableStudy completedNCT05385055What this trial is testingReduction of Exposure, Inflammation, and Oxidative Stress Following At Least 2 Years of Switching to THS Use Compared to Cigarette SmokingWho this might be right forInflammationOxidative StressSmoking+1 more Philip Morris Products S.A. 952
Not applicableNot Yet RecruitingNCT07348679What this trial is testingCigarette Filter StudyWho this might be right forSmoking ( Cigarette) Rutgers, The State University of New Jersey 252
Early research (Phase 1)Looking for participantsNCT06027840What this trial is testingConcurrent vs. Sequential Cessation of Dual Cigarette and E-cigarette UseWho this might be right forCigarette SmokingE-Cigarette UseSmoking Cessation Yale University 40
Not applicableStudy completedNCT05453773What this trial is testingHookah Additive Research to Inform Product StandardsWho this might be right forTobacco-Related Carcinoma Ohio State University Comprehensive Cancer Center 54
Not applicableStudy completedNCT05023096What this trial is testingPotential Effects of Electronic Nicotine Delivery System Flavor Regulations on African American Menthol SmokersWho this might be right forElectronic Nicotine Delivery System Flavors Virginia Commonwealth University 71
Not applicableUnknownNCT05953220What this trial is testingInvestigating Exposure to Toxicants From Smoking and VapingWho this might be right forSmoking, TobaccoVapingMental Health Disorder King's College London 160
Early research (Phase 1)Ended earlyNCT02414477What this trial is testingMetabolism of Deuterated NNN in Smokeless Tobacco UsersWho this might be right forTobacco Toxicant Exposure University of Minnesota 13
Not applicableStudy completedNCT01067586What this trial is testingNovel Determinants and Measures of Smokeless Tobacco Use: Study 1Who this might be right forSmokeless Tobacco UseTobacco Dependence University of Minnesota 359
Not applicableStudy completedNCT03232827What this trial is testingThe Impact of Waterpipe Tobacco Flavors on Waterpipe Smoking Intentions, Perceptions, Patterns, and Toxicant ExposureWho this might be right forSmoking, HookahWaterpipe Smoking University of Oklahoma 91
Early research (Phase 1)Study completedNCT01092650What this trial is testingDetermining Levels of [D10] Phenanthrene Tetraol in Smokers' UrineWho this might be right forTobacco Toxicant Exposure University of Minnesota 30