Not applicableStudy completedNCT01237912What this trial is testingEuropean Exposure StudyWho this might be right forSmoking Philip Morris Products S.A. 1,667
Testing effectiveness (Phase 2)Study completedNCT05520775What this trial is testingSemaglutide for Alcohol Use DisorderWho this might be right forAlcohol Use DisorderCigarette Smoking University of North Carolina, Chapel Hill 48
Early research (Phase 1)Not Yet RecruitingNCT06055231What this trial is testingPK/PD of Vaping THC-containing Liquids vs. Smoked CannabisWho this might be right forCigarette Smoking-Related Carcinoma Roswell Park Cancer Institute 40
Not applicableStudy completedNCT01346956What this trial is testingAcute Cardiovascular Effects of Cigarette SmokingWho this might be right forSmoking Andhra Medical College 20
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 applicableWithdrawnNCT02195570What this trial is testingContingency Management for Smoking Cessation in Pregnant Minority WomenWho this might be right forCigarette Smoking University of Miami
Not applicableUnknownNCT01566097What this trial is testingIntervention Trial of Culturally-Appropriate Decision Aids for Smoking CessationWho this might be right forCigarette SmokingTobacco Use DisorderNicotine Dependence+1 more Seoul National University Hospital 400
Not applicableLooking for participantsNCT04281979What this trial is testingEffects of a Specific Substance in SmokersWho this might be right forSmoking Oregon Health and Science University 60
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
Not applicableStudy completedNCT05426460What this trial is testingAAT + tDCS to Reduce Cue-induced Craving and Smoking BehaviorWho this might be right forSmoking BehaviorsSmoking, Cigarette Cynthia Conklin 41
Not applicableStudy completedNCT02212041What this trial is testingElectronic Cigarettes in Smokers With Mental IllnessWho this might be right forSchizophreniaSchizophreniform DisorderBipolar Disorder King's College London 50
Not applicableNot Yet RecruitingNCT07604246What this trial is testingEvaluating the Effect of Nicotine on Eye Movements and Related Behaviors in Electronic Cigarette Users, NICS-EYES TrialWho this might be right forCigarette Smoking-Related Carcinoma Ohio State University Comprehensive Cancer Center 25
Testing effectiveness (Phase 2)Study completedNCT00554840What this trial is testingComparison of Varenicline and Placebo for Smoking Cessation in SchizophreniaWho this might be right forCigarette SmokingSchizophrenia University of Maryland, Baltimore 16
Not applicableEnded earlyNCT02585791What this trial is testingEvaluation of Acute and Subacute Effects of Nicotine Free Electronic Cigarette(NCFE) VaporsWho this might be right forHealthy Lifetime Non-smokers University of Miami 30
Not applicableLooking for participantsNCT06883097What this trial is testingQuitting Matters Human Immunodeficiency Virus Hybrid TrialWho this might be right forTobaccoTobacco AbstinenceSmoking Cessation+4 more Wake Forest University Health Sciences 314
Not applicableStudy completedNCT02102191What this trial is testingAcute Physiological Effects of Electronic Sigarette vs Cigarette SmokingWho this might be right forIndividuality IRCCS Azienda Ospedaliero-Universitaria di Bologna 20
Large-scale testing (Phase 3)Study completedNCT05311085What this trial is testingCytisine and E-cigarettes With Supportive Text-messaging for Smoking Cessation (Cess@Tion)Who this might be right forSmoking Cessation University of Auckland, New Zealand 807
Post-approval studies (Phase 4)Study completedNCT01554436What this trial is testingNeuropsychological Prognosis Factors of Smoking CessationWho this might be right forSmoking CessationNicotine Dependence University Hospital, Montpellier 135
Not applicableStudy completedNCT04378907What this trial is testingAssessing Electronic Cigarette Nicotine FluxWho this might be right forElectronic Cigarette Use Virginia Commonwealth University 33
Not applicableStudy completedNCT02551692What this trial is testingEffects of Smoking Environments on Craving and Smoking (CameraCue2.0)Who this might be right forCigarette Smoking Duke University 125