Not applicableNot Yet RecruitingNCT07323511What this trial is testingAbuse Liability for Eight Electronic Nicotine ProductsWho this might be right forSmokingSmoking BehaviorsTobacco Use+1 more RAI Services Company 70
Large-scale testing (Phase 3)Study completedNCT00507728What this trial is testingPharmacogenetics, Emotional Reactivity and SmokingWho this might be right forTobacco Use DisorderSmoking Cessation M.D. Anderson Cancer Center 646
Not applicableStudy completedNCT02601599What this trial is testingMedical Student INtervention to Promote Effective Nicotine Dependence and Tobacco HEalthcareWho this might be right forSmoking Royal College of Surgeons, Ireland 67
Not applicableStudy completedNCT04833972What this trial is testingEliciting Perceived Norms About Substance UseWho this might be right forTobacco UseAlcohol Drinking Massachusetts General Hospital 1,531
Testing effectiveness (Phase 2)Study completedNCT02596711What this trial is testingProject Impact 2: A Culturally Tailored Smoking Cessation Intervention for Latino SmokersWho this might be right forTobacco Use CessationCancer Prevention M.D. Anderson Cancer Center 26
Post-approval studies (Phase 4)Study completedNCT02968602What this trial is testingMinocycline and Tobacco Craving in Smokers With SchizophreniaWho this might be right forSchizophreniaTobacco Use University of Maryland, Baltimore 32
Not applicableStudy completedNCT03671707What this trial is testingBrief Advice, Nicotine Replacement Therapy Sampling and Active Referral (BANSAR) for Smoking FathersWho this might be right forSmoking CessationTobacco Use Cessation The University of Hong Kong 1,053
Not applicableStudy completedNCT02281942What this trial is testingBehavioral Interventions to Target Self-ControlWho this might be right forTobacco Smoking Oregon Health and Science University 39
Testing effectiveness (Phase 2)Study completedNCT01625637What this trial is testingTobacco Approach Avoidance Training for Adolescent Smokers-2Who this might be right forTobacco Use Disorder Yale University 66
Not applicableStudy completedNCT04534231What this trial is testingOffering Nicotine Patches to All Households in a Municipality With High Smoking RatesWho this might be right forTobacco Use Cessation Centre for Addiction and Mental Health 123
Not applicableNot Yet RecruitingNCT07274475What this trial is testingSmoking Harm Reduction Using E-cigarettes and CytisineWho this might be right forTobacco SmokingHarm ReductionNicotine Centre for Addiction and Mental Health 6,000
Not applicableStudy completedNCT03915730What this trial is testingSmoking and Peptidoglycan Recognition Protein-1 and Initial Periodontal TherapyWho this might be right forSmoking, Cigarette Kırıkkale University 80
Not applicableStudy completedNCT03885336What this trial is testingCouples Dynamics and Smoking CessationWho this might be right forSmokingSmoking CessationCessation, Smoking+2 more University of Southern California 212
Not applicableStudy completedNCT03364751What this trial is testingEffect of Switching From Cigarette Smoking to the Use of IQOS on Periodontitis Treatment OutcomeWho this might be right forPeriodontal DiseasesChronic PeriodontitisPeriodontal Pocket+3 more Philip Morris Products S.A. 179
Not applicableStudy completedNCT06534905What this trial is testingE-cigarette Switching Older AdultsWho this might be right forTobacco UseOpioid Use DisorderTobacco-Related Disorders University of Maryland, Baltimore 36
Early research (Phase 1)Study completedNCT03559751What this trial is testingEvaluation of the Abuse Liability of Very Low Nicotine (VLN) CigarettesWho this might be right forTobacco Use 22nd Century Group, Inc. 66
Not applicableStudy completedNCT00386945What this trial is testingTobacco Cessation Via Doctors of ChiropracticWho this might be right forTobacco Use Cessation Oregon Research Institute 201
Not applicableStudy completedNCT03377738What this trial is testingEffectiveness of the Spirometry Test as a Motivational Tool for Quitting Tobacco in Primary CareWho this might be right forTobacco Cessation Fundacion para la Formacion e Investigacion Sanitarias de la Region de Murcia 90
Not applicableStudy completedNCT07764549What this trial is testingSalivary TNF-α, FoxO-1, and SIRT-1 Levels in Periodontitis and SmokingWho this might be right forPeriodontitis (Stage 3)Smoking ( Cigarette) Zehra Hasgül 80
Testing effectiveness (Phase 2)Study completedNCT02698215What this trial is testingCombining Varenicline and Naltrexone for Smoking CessationWho this might be right forNicotine DependenceAlcohol Use Disorder University of California, Los Angeles 165