Testing effectiveness (Phase 2)Study completedNCT00129311What this trial is testingUsefulness of Selegiline as an Aid to Quit Smoking - 1Who this might be right forTobacco Use Cessation Yale University 101
Not applicableStudy completedNCT01152749What this trial is testingBioequivalence Between an Oral Nicotine Replacement Product and Nicorette® GumWho this might be right forTobacco Dependence McNeil AB 76
Not applicableWithdrawnNCT01859364What this trial is testingTobacco Cessation: Treatment Delivery and Predictors of OutcomeWho this might be right forNicotine Dependence National Institute on Drug Abuse (NIDA)
Large-scale testing (Phase 3)Study completedNCT03200236What this trial is testingThe Lung Screening, Tobacco and Health ProjectWho this might be right forSmoking, TobaccoTobacco-Related CarcinomaTobacco Use+1 more Georgetown University 1,114
Not applicableStudy completedNCT01334736What this trial is testingNovel Smoking Cessation Interventions in Current and Former Injection Drug UsersWho this might be right forTobacco Dependence Johns Hopkins University 100
Post-approval studies (Phase 4)Study completedNCT05351606What this trial is testingIntegrating Tobacco Use Cessation Into HIV Care and Treatment in Kisumu County, KenyaWho this might be right forTobacco Use CessationTobacco Use University of California, San Francisco 580
Not applicableStudy completedNCT05365633What this trial is testingEmpowering LGBTQ+ Tobacco Cessation PilotWho this might be right forSmoking Cessation University of Oklahoma 20
Not applicableStudy completedNCT03152253What this trial is testingIndividually Tailored and Integrated Social Support Network for Tobacco CessationWho this might be right forSmoking Cessation The Miriam Hospital 284
Not applicableStudy completedNCT03694327What this trial is testingInnovative Digital Therapeutic for Smoking CessationWho this might be right forSmoking CessationNicotine AddictionDrug Addiction+5 more My Digital Study 158
Large-scale testing (Phase 3)Study completedNCT00311948What this trial is testingTelephone and Web-based Teen Tobacco Cessation in HMOsWho this might be right forTobacco Use Kaiser Permanente 600
Not applicableStudy completedNCT01238640What this trial is testingBioequivalence Between Two New Oral Nicotine Replacement Therapy Products and Nicorette® MicrotabWho this might be right forTobacco Dependence McNeil AB 84
Large-scale testing (Phase 3)Looking for participantsNCT06883162What this trial is testingCannabis-Tobacco Co-Use Treatment StudyWho this might be right forTobacco Use DisorderTobacco Use CessationCannabis Use+2 more Medical University of South Carolina 200
Not applicableStudy completedNCT03163056What this trial is testingSmoking Cessation Treatment for Depressed SmokersWho this might be right forTobacco Use Disorder University of Oviedo 180
Very early researchUnknownNCT05484505What this trial is testingPreloaded Combination Nicotine Replacement Therapy on Smoking Cessation of Adult Population in KazakhstanWho this might be right forSmoking CessationSmoking, CigaretteSmoking Behaviors Nazarbayev University 200
Not applicableUnknownNCT01965405What this trial is testingSmoking Cessation for People Living With HIV/AIDSWho this might be right forHIVAIDSNicotine Dependence Wayne State University 165
Not applicableStudy completedNCT04311983What this trial is testingInterventions to Help More Low-income Smokers QuitWho this might be right forTobacco Use CessationSmoking BehaviorsHealth Disparity Washington University School of Medicine 1,973
Not applicableStudy completedNCT04461288What this trial is testingEngaging Sexual and Gender Minority Cigarette Smokers Into Social Media-based TreatmentWho this might be right forSmoking CessationNicotine DependenceTobacco Use+1 more University of California, San Francisco 121
Not applicableStudy completedNCT01905618What this trial is testingTobacco Treatment Medical Education in 10 Medical SchoolsWho this might be right forTobacco Use DisorderSmoking Cessation University of Massachusetts, Worcester 10
Not applicableStudy completedNCT01482923What this trial is testingTobacco Assessment and Intervention With Low-Income Persons Living With HIV-AIDS (PLWHA) in Community-Based AIDS Service OrganizationsWho this might be right forTobacco CessationHIVAIDS Memorial Sloan Kettering Cancer Center 65
Not applicableStudy completedNCT01341938What this trial is testingNicotine Lozenges and Assisted Self-help for Smokeless Tobacco CessationWho this might be right forSmokeless Tobacco Cessation Oregon Research Institute 1,067