Not applicableWithdrawnNCT01100216What this trial is testingHuman Laboratory Study of Smokeless Tobacco ProductsWho this might be right forSmokeless Tobacco University of Minnesota
Not applicableActive Not RecruitingNCT05037656What this trial is testingTesting a School-Based E-cigarette, Tobacco, and Betel (Areca) Nut Use Prevention Curriculum for Guam YouthsWho this might be right forTobacco SmokingVapingTobacco Chewing University of Guam 538
Not applicableStudy completedNCT04891406What this trial is testingA Randomised, Cross-over, Relative Bioavailability Study of Nicotine Delivery and Nicotine Extraction From Oral ProductsWho this might be right forHealthy Volunteers Imperial Brands PLC 24
Testing effectiveness (Phase 2)Study completedNCT00888459What this trial is testingA Pilot Study Evaluating Nicotine Lozenges and Self HelpWho this might be right forSmokeless Tobacco Use Mayo Clinic 60
Testing effectiveness (Phase 2)Study completedNCT00710034What this trial is testingEfficacy of Oral Tobacco Products Compared to a Medicinal NicotineWho this might be right forTobacco Use Disorder University of Minnesota 391
Testing effectiveness (Phase 2)Study completedNCT01098305What this trial is testingEfficacy of Varenicline for Smokeless Tobacco Use in IndiaWho this might be right forTobacco Use Disorder University of Pennsylvania 237
Testing effectiveness (Phase 2)Study completedNCT00820495What this trial is testingEffectiveness of a Web-Assisted Quitline for Smokeless Tobacco UsersWho this might be right forTobacco Use Disorder Oregon Research Institute 1,683
Not applicableStudy completedNCT03488095What this trial is testingBehavior Changing Intervention for Smokeless Tobacco and Betel Quid Use in AdolescentsWho this might be right forOral Cavity Carcinoma Dow University of Health Sciences 2,200
Large-scale testing (Phase 3)Study completedNCT00939029What this trial is testingHighdose Nicotine Patch Therapy for Smokeless Tobacco UseWho this might be right forSmokeless Tobacco Use Mayo Clinic 52
Not applicableStudy completedNCT04079933What this trial is testingEvaluate Changes in Smokers Using An Oral Tobacco-Derived Nicotine ProductWho this might be right forTobacco Use Altria Client Services LLC 154
Not applicableStudy completedNCT01964807What this trial is testingCardiovascular Assessment of the Effects of Tobacco and Nicotine Delivery ProductsWho this might be right forAdverse Effect of Other Agents Primarily Affecting the Cardiovascular System, Initial Encounter University of California, San Francisco 81
Not applicableStudy completedNCT00711100What this trial is testingEvaluation of Oral Tobacco as a Harm Reduction Method for SmokersWho this might be right forTobacco Use Disorder University of Minnesota 104
Large-scale testing (Phase 3)Study completedNCT01018394What this trial is testingNicotine Lozenge or Tobacco-Free Snuff for Smokeless Tobacco ReductionWho this might be right forTobacco Dependence Mayo Clinic 81
Not applicableStudy completedNCT03692078What this trial is testingEvaluate Changes in Smokers Using Oral Tobacco-derived Nicotine Products.Who this might be right forTobacco Use Altria Client Services LLC 231
Early research (Phase 1)Study completedNCT02688374What this trial is testingA Bioequivalence Study of Three, 2 mg Nicotine Chewing Gums (Two Tests and One Reference) in Healthy Adult SmokersWho this might be right forTobacco Use Disorder GlaxoSmithKline 45
Not applicableStudy completedNCT00265681What this trial is testingTelephone Counseling for Snuff UsersWho this might be right forSmokeless TobaccoTobacco Use Cessation HealthPartners Institute 400
Not applicableStudy completedNCT04776863What this trial is testingEffect of Smokeless Tobacco on Anterior SegmentWho this might be right forEye ManifestationsTobacco; Use, HarmfulTobacco Chewing Toxicity Kahramanmaras Sutcu Imam University 107
Not applicableLooking for participantsNCT06881069What this trial is testingReach Through Equitable Implementation in UtahWho this might be right forTobacco Use CessationTobacco UseTobacco Smoking+2 more University of Utah 1,560