Not applicableTemporarily pausedNCT04821752What this trial is testingEnvironmental Toxicants Avoidance StudyWho this might be right forPollution; ExposureGlucose IntoleranceGlycemic Control Bastyr University 20
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
Testing effectiveness (Phase 2)Looking for participantsNCT07226440What this trial is testingExamining a Novel Gastrointestinal Intervention to Negate Environmental Toxicants (ENGINE)Who this might be right forToxicant ExposureFirefighterOccupational Exposure to Chemicals University of California, San Francisco 50
Not applicableStudy completedNCT03096860What this trial is testingEffect of Concurrent Hookah and Alcohol Consumption on Smoking Topography and Toxicant ExposureWho this might be right forAlcohol Use, UnspecifiedHookah Smoking Oklahoma State University 50
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
Testing effectiveness (Phase 2)Not Yet RecruitingNCT06962657What this trial is testingMitigating Toxic Impact: The Role of Coenzyme Q10 in Post-Exposure ProtectionWho this might be right forToxicant Induced Chronic Multisymptom Illness and Associated Symptoms and Comorbidities University of California, San Diego 20
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
Early research (Phase 1)Study completedNCT06027840What 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 19
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
Not applicableLooking for participantsNCT07167225What this trial is testingCarcinogen and Toxicant Exposure Among Young Adults Who Co-Use E-cigarettes and Cannabis (Co-Tox Study)Who this might be right forCigarette Smoking-Related CarcinomaE-Cig Use Roswell Park Cancer Institute 150
Not applicableLooking for participantsNCT05643014What this trial is testingObservational Study of Exposure to Environmental Toxicants Among FirefightersWho this might be right forHealthy Masonic Cancer Center, University of Minnesota 60
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)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 completedNCT00043238What this trial is testingMohawk Culture, Behavior, Toxicant Exposure and HealthWho this might be right forThyroid DiseasesCognition Disorders National Institute of Environmental Health Sciences (NIEHS) 220
Not applicableStudy completedNCT03511001What this trial is testingEffects Among Smokers Who Use and Do Not Use E-CigarettesWho this might be right forToxicant Exposure California State University, San Marcos 187
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 completedNCT01815385What this trial is testingEpigenetic and Developmental Effects of In Utero Exposure to Environmental ToxicantsWho this might be right forFull Term InfantsEnvironmental ExposuresAdiposity Montefiore Medical Center 110
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. 974
Not applicableLooking for participantsNCT07348679What this trial is testingCigarette Filter StudyWho this might be right forSmoking ( Cigarette) Rutgers, The State University of New Jersey 252