Post-approval studies (Phase 4)Ended earlyNCT01925781What this trial is testingE-Cigarettes Versus NRT Gum for Smoking CessationWho this might be right forNicotine AddictionSmoking Cessation Creighton University 10
Testing effectiveness (Phase 2)Study completedNCT01821560What this trial is testingBaclofen Effects in Cigarette SmokersWho this might be right forNicotine Dependence University of Pennsylvania 44
Testing effectiveness (Phase 2)Study completedNCT01806779What this trial is testingCombination Bupropion / Varenicline for Smoking Cessation in Male SmokersWho this might be right forNicotine Dependence Duke University 376
Large-scale testing (Phase 3)Study completedNCT01303861What this trial is testingConcurrent Bupropion / Varenicline for Smoking CessationWho this might be right forNicotine Dependence Duke University 702
Testing effectiveness (Phase 2)Study completedNCT03492463What this trial is testingThe Role of Nicotine Dose and Route of Delivery in Affecting Adoption of E-cigarettes and Reducing Exposure to Toxic Combustion ProductsWho this might be right forNicotine Dependence, Cigarettes Duke University 94
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
Testing effectiveness (Phase 2)Study completedNCT02501265What this trial is testingAdaptive Pharmacotherapy for Smoking CessationWho this might be right forNicotine Dependence Duke University 188
Testing effectiveness (Phase 2)Looking for participantsNCT07322432What this trial is testingThe CONQUER Trial - Cessation Of Nicotine, QUitting With E-cigarette ReductionWho this might be right forAddiction Nicotine VapeAway 70
Not applicableLooking for participantsNCT06885606What this trial is testingThe Use of tDCS for Vaping ReductionWho this might be right forVapingAddictionTranscranial Direct Current Stimulation(tDCS) Centre for Addiction and Mental Health 40
Testing effectiveness (Phase 2)Study completedNCT00018161What this trial is testingTreatment to Quit SmokingWho this might be right forSmoking US Department of Veterans Affairs
Not applicableNot Yet RecruitingNCT07593742What this trial is testingSmoking Cessation With Wearables to Improve General, Oral Health and Quality of LifeWho this might be right forSmoking ( Cigarette)Smoking (Tobacco) AddictionSmoking Behaviors+6 more University of Salerno 102
Not applicableEnrolling By InvitationNCT06619964What this trial is testingDeveloping Evidence to Inform Regulatory Policy on Nicotine Content in E-LiquidsWho this might be right forNicotine Addiction Rochester Institute of Technology 120
Not applicableStudy completedNCT02840435What this trial is testingStudy on Sit to Quit Phone InterventionWho this might be right forNicotine Dependence Duke University 23
Not applicableStudy completedNCT01523730What this trial is testingEffects of rTMS on Cigarette Smoking and Cognition in SchizophreniaWho this might be right forSchizophreniaNicotine Addiction Centre for Addiction and Mental Health 27
Not applicableStudy completedNCT04159571What this trial is testingQuitFast: Evaluating Transcranial Magnetic Stimulation as a Tool to Reduce Smoking Directly Following a Quit AttemptWho this might be right forSmokingSmoking CessationCraving+4 more Wake Forest University Health Sciences 40
Not applicableLooking for participantsNCT06945120What this trial is testingACT Lung Health Intervention: Phase TwoWho this might be right forSmoking CessationSmoking BehaviorsSmoking, Tobacco+2 more Dana-Farber Cancer Institute 50
Post-approval studies (Phase 4)Ended earlyNCT01772641What this trial is testingA Smoking Intervention Study Using Scheduled Gradual Reduction With Varenicline to Help With CessationWho this might be right forNicotine Addiction Icahn School of Medicine at Mount Sinai 32
Not applicableStudy completedNCT03841292What this trial is testingUsing Non-invasive Brain Stimulation (tDCS) With Varenicline for Treating Tobacco DependenceWho this might be right forTobacco DependenceSmoking CessationTobacco Smoking+4 more Centre for Addiction and Mental Health 41
Not applicableStudy completedNCT02153775What this trial is testingProgressive Muscle Relaxation and Cigarette CravingWho this might be right forAddiction Chulalongkorn University 34
Not applicableLooking for participantsNCT06077240What this trial is testingEffects of E-cigs vs Pouches on Cigarette Smoking and AddictionWho this might be right forSmokingSmoking BehaviorsNicotine Dependence Yale University 256