Not applicableStudy completedNCT04487470What this trial is testingImpact of Cigar Flavor in Dual UsersWho this might be right forTobacco Use Disorder UConn Health 89
Testing effectiveness (Phase 2)Study completedNCT00087880What this trial is testingMaintaining Abstinence in Chronic Cigarette Smokers - 1Who this might be right forTobacco Use Disorder National Institute on Drug Abuse (NIDA) 407
Very early researchLooking for participantsNCT06582888What this trial is testingAdvancing VR-based Attentional Bias as a Biomarker for Tobacco Use DisorderWho this might be right forNicotine AddictionCraving University of California, San Diego 200
Not applicableStudy completedNCT04379388What this trial is testingImproving Smoking Cessation in Socioeconomically-Disadvantaged Young AdultsWho this might be right forNicotine Dependence, Cigarettes University of Vermont 437
Post-approval studies (Phase 4)Study completedNCT03950427What this trial is testingPARQuit Smoking Cessation Intervention for Adults With Serious Mental IllnessWho this might be right forSmoking CessationSmoking, TobaccoMental Illness+1 more University of California, San Francisco 108
Not applicableStudy completedNCT00664261What this trial is testingClinical Effort Against Secondhand Smoke (CEASE) Program or Standard Care in Helping Parents Stop SmokingWho this might be right forTobacco Use Disorder Massachusetts General Hospital 3,000
Testing effectiveness (Phase 2)Study completedNCT01214005What this trial is testingSmoking Abstinence and Lapse Effects in Smokers With Schizophrenia and ControlsWho this might be right forTobacco Use DisorderSchizophrenia Brown University 60
Post-approval studies (Phase 4)Study completedNCT01023659What this trial is testingDistribution of Bupropion and Varenicline to Increase Smoking Cessation AttemptsWho this might be right forTobacco Use DisorderSmokingSmoking Cessation Centre for Addiction and Mental Health 893
Not applicableStudy completedNCT00709696What this trial is testingHuman Laboratory Study Of Varenicline in SmokersWho this might be right forNicotine Dependence University of Minnesota 7
Testing effectiveness (Phase 2)Looking for participantsNCT06617312What this trial is testingExamining the Effects of Cytisinicline on Neural Substrates of Cigarette Cue-reactivityWho this might be right forSmoking CessationTobacco Use Disorder University of California, Los Angeles 64
Not applicableUnknownNCT03276767What this trial is testingComparing SMS and E-mail Reminders in an Online Smoking Cessation InterventionWho this might be right forNicotine Dependence Tobacco Product University of Oslo 700
Not applicableStudy completedNCT04170907What this trial is testingPharmacokinetics and Pharmacodynamics of Different Nicotine Salt Concentration Vape System Pods and Free-base NicotineWho this might be right forNicotine Dependence Insel Gruppe AG, University Hospital Bern 20
Not applicableStudy completedNCT02740595What this trial is testingE-cigarettes and Blood Vessel FunctionWho this might be right forNicotine Dependence University of California, Los Angeles 148
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
Not applicableStudy completedNCT00995644What this trial is testingNatural History of Attempts to Stop SmokingWho this might be right forTobacco Use Cessation University of Vermont 238
Large-scale testing (Phase 3)UnknownNCT04868253What this trial is testingEfficacy and Safety of Combination EMB-001 as a Potential Smoking Cessation TreatmentWho this might be right forSmoking CessationTobacco Use Disorder Rose Research Center, LLC 25
Not applicableLooking for participantsNCT05726045What this trial is testingIncreasing Smoking Cessation Success Through Sleep-amplified Memory ConsolidationWho this might be right forTobacco Use Disorder Central Institute of Mental Health, Mannheim 140
Not applicableStudy completedNCT04568395What this trial is testingAcute Effects of TCIG vs ECIG in PLWHWho this might be right forE Cigarette UseVapingSmoking+6 more University of California, Los Angeles 37
Not applicableStudy completedNCT06191419What this trial is testingHuman Perception of Odors and Odor BlockersWho this might be right forTobacco SmokingSmoking Behaviors Tim McClintock 27
Post-approval studies (Phase 4)Study completedNCT03557294What this trial is testingVarenicline OTC Trial on Efficacy and SafetyWho this might be right forTobacco DependenceWithdrawal SymptomsSmoking Cessation Arizona State University 313