Not applicableStudy completedNCT03953508What this trial is testingPerceptions of Cigarette Smoking in Young AdultsWho this might be right forSmoking, Cigarette University of Oklahoma 199
Testing effectiveness (Phase 2)Study completedNCT03518567What this trial is testingBehavioral Economic Analysis of Demand for MarijuanaWho this might be right forMarijuana Smoking Brown University 133
Testing effectiveness (Phase 2)Active Not RecruitingNCT03347838What this trial is testingNivolumab for the Reversal of Squamous Dysplasia in High Risk Current and Former SmokersWho this might be right forBronchial DysplasiaTobacco SmokingHistory of Non-Small Cell Lung Cancer+1 more University of Colorado, Denver 19
Post-approval studies (Phase 4)Study completedNCT00666978What this trial is testingHealth Education Counseling With or Without Bupropion in Helping African Americans Stop SmokingWho this might be right forBladder CancerCervical CancerEsophageal Cancer+8 more Lisa Sanderson Cox, PhD 540
Testing effectiveness (Phase 2)Study completedNCT01081119What this trial is testingBrief Voluntary Alcohol and Drug Intervention for Middle School YouthWho this might be right forAlcohol DrinkingCigarette SmokingMarijuana Smoking RAND 6,455
Not applicableNot Yet RecruitingNCT07693660What this trial is testingVergeRx for Smokers Not Ready to QuitWho this might be right forTobacco Use Cessation University of Virginia 592
Post-approval studies (Phase 4)Looking for participantsNCT06966362What this trial is testingVarenicline for Smoking Reduction in Veterans Not Ready To QuitWho this might be right forVeteransTobacco Use DisorderCigarette Smoking+1 more VA Office of Research and Development 400
Not applicableLooking for participantsNCT07721883What this trial is testingSocial Media Influences on Engagement and Susceptibility to Non-combustible Tobacco Product Use Among Youth and Young Adults (AYA)Who this might be right forPerceptions of Tobacco Products University of Southern California 4,500
Early research (Phase 1)Study completedNCT01262170What this trial is testingA Pilot Study to Evaluate Safety and Efficacy of CigRx™ in SmokersWho this might be right forSmokingTobacco Use Disorder Rock Creek Pharmaceuticals, Inc. 109
Not applicableStudy completedNCT06919276What this trial is testingNicotine and Cannabis Vape Labeling Experiment - Spring 2025Who this might be right forVapingAdolescentElectronic Cigarette Use+2 more University of Southern California 3,048
Post-approval studies (Phase 4)Study completedNCT04126135What this trial is testingComparative Effectiveness of Cystine Versus Nicotine Replacement TherapyWho this might be right forNicotine Addiction Loma Linda University 1,307
Not applicableStudy completedNCT00310115What this trial is testingMotivational Counseling in Preventing Smoking Relapse After Pregnancy in Pregnant Women Who Quit Smoking During PregnancyWho this might be right forBladder CancerCervical CancerEsophageal Cancer+8 more M.D. Anderson Cancer Center 469
Not applicableLooking for participantsNCT07398443What this trial is testingUsing Novel Behavioral Economic Measures to Characterize Dual Marijuana and Tobacco Use in Young AdultsWho this might be right forBehavioral EconomicsCannabis SmokingTobacco Smoking Brown University 120
Not applicableStudy completedNCT07339670What this trial is testingStudy of Gum Tissue Proteins in Smokers vs. Non-smokers After CleaningWho this might be right forSmoking ( Cigarette)Periodontitis Stage II Al-Azhar University 36
Not applicableStudy completedNCT04340947What this trial is testingCigarette Smoking Among Young AdultsWho this might be right forCigarette SmokingSmoking Behaviors University of Oklahoma 171
Not applicableStudy completedNCT04143256What this trial is testingEvaluating Selected Constituents in the Exhaled Breath SamplesWho this might be right forElectronic Cigarette UseCigarette Use, ElectronicTobacco Use+1 more Juul Labs, Inc. 135
Not applicableStudy completedNCT03550989What this trial is testingReal-Life Passive Exposure Assessment of IQOSWho this might be right forEnvironmental Exposure Philip Morris Products S.A. 401
Not applicableStudy completedNCT05620433What this trial is testingJoint Effort 2.0: a Mobile Application With University StudentsWho this might be right forCannabis UseCannabisCannabis Dependence+2 more Centre hospitalier de l'Université de Montréal (CHUM) 354
Testing effectiveness (Phase 2)Study completedNCT01844687What this trial is testingLaboratory Study of Cannabidiol on the Effects of Smoked MarijuanaWho this might be right forSmoking, Marijuana National Institute on Drug Abuse (NIDA) 50
Not applicableStudy completedNCT05102786What this trial is testingCSD210904: Study to Assess Actual Use of a Heated Tobacco Product With Four Non-Combusted Cigarette Variants in Current Adult SmokersWho this might be right forSmokingTobacco UseTobacco Smoking RAI Services Company 1,180