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 completedNCT01202942What this trial is testingUse and Harm Exposure in New Low Nicotine CigarettesWho this might be right forCigarette Smoking University of Pennsylvania 246
Not applicableStudy completedNCT01509586What this trial is testingA Test of Short and Long Term Naturalistic Outcomes of Smokers Who Sample Smokeless TobaccoWho this might be right forSmokingSmoking Cessation Medical University of South Carolina 1,236
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
Testing effectiveness (Phase 2)Study completedNCT04092101What this trial is testingLow Nicotine Content Cigarettes in Vulnerable Populations: Opioid Use DisorderWho this might be right forTobacco Use Disorder University of Vermont 326
Not applicableStudy completedNCT03743532What this trial is testingE-Cigarettes and Financial Incentives to Promote Tobacco Harm Reduction Among Adults Accessing Shelter ServicesWho this might be right forCigarette Smoking University of Oklahoma 60
Not applicableStudy completedNCT02337400What this trial is testingEvaluation of a Cognitive Behavioral Smoking Reduction ProgramWho this might be right forTobacco Reduction Ludwig-Maximilians - University of Munich 155
Not applicableStudy completedNCT04340947What this trial is testingCigarette Smoking Among Young AdultsWho this might be right forCigarette SmokingSmoking Behaviors University of Oklahoma 171
Testing effectiveness (Phase 2)UnknownNCT00678938What this trial is testingSmoking Interventions in the General PopulationWho this might be right forTobacco Smoking University Medicine Greifswald 1,462
Not applicableUnknownNCT04891939What this trial is testingDevelopment and Assessment of a Teacher-led Intervention in Preventing Tobacco Use Among the Youth in GhanaWho this might be right forSmoking ReductionSmoking CessationSmoking, Tobacco+1 more Ghana Health Services 2,314
Not applicableLooking for participantsNCT05429892What this trial is testingFRESH Delivers: An Innovative Approach to Reducing Tobacco Use Among Rural SmokersWho this might be right forTobacco CessationTobacco DependenceFood Security University of Arkansas 540
Testing effectiveness (Phase 2)Study completedNCT02250534What this trial is testingProject 1, Study 2: Extended Exposure to Low Nicotine Content Cigarettes in Childbearing Age WomenWho this might be right forTobacco Use Disorder University of Vermont 775
Not applicableUnknownNCT03962660What this trial is testingHarm Reduction for Tobacco Smoking With Support of Tobacco-Replacing Electronic Nicotine Delivery SystemsWho this might be right forSmoking, Tobacco University of Washington 94
Not applicableStudy completedNCT05599451What this trial is testingReduced Exposure to HPHC in Smokers Switching From Cigarettes to Different Versions of THSWho this might be right forSmokingTobacco SmokingTobacco Use Philip Morris Products S.A. 91
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 applicableEnded earlyNCT03352609What this trial is testingAccelerated rTMS for the Reduction of Nicotine CravingWho this might be right forNicotine Use DisorderNicotine Dependence Medical University of South Carolina 5
Very early researchStudy completedNCT06602492What this trial is testingCompensatory Behavior of E-cig Users in Response to Reduced Nicotine E-liquidsWho this might be right forHealthyNicotine AddictionElectronic Cigarette Use Rochester Institute of Technology 72
Large-scale testing (Phase 3)Not Yet RecruitingNCT06790342What this trial is testingOptimizing Treatment of Co-occurring Smoking and Unhealthy Alcohol Use Among PWH in Nairobi, KenyaWho this might be right forHIVTobacco UseAlcohol Use Disorder University of Chicago 300
Testing effectiveness (Phase 2)Study completedNCT02250664What this trial is testingProject 2, Study 2: Extended Exposure to Low Nicotine Content Cigarettes in Opioid AbusersWho this might be right forTobacco Use Disorder University of Vermont 775
Early research (Phase 1)Study completedNCT01337830What this trial is testingPilot Study to Evaluate the Safety and Efficacy of Ariva® Silver Wintergreen in Reducing Cigarette Craving in SmokersWho this might be right forTobacco Use DisorderSmoking Star Scientific, Inc 111