Testing effectiveness (Phase 2)Study completedNCT00549640What this trial is testingTesting Methylphenidate for Smoking AbstinenceWho this might be right forSmoking Mayo Clinic 80
Not applicableLooking for participantsNCT05276050What this trial is testingCircuitry-Guided Smoking Cessation in Schizophrenia (UH3)Who this might be right forSmoking CessationNicotine AddictionSchizophrenia The University of Texas Health Science Center, Houston 50
Testing effectiveness (Phase 2)WithdrawnNCT01275391What this trial is testingCSBIRT to Reduce Teen Tobacco, Alcohol and Drug UseWho this might be right forTobacco AbuseAlcohol AbuseDrug Abuse Boston Children's Hospital
Testing effectiveness (Phase 2)Study completedNCT05327660What this trial is testingCO Monitoring for Tobacco Cessation in QuitlinesWho this might be right forTobacco Dependence Consumer Wellness Solutions 229
Post-approval studies (Phase 4)Study completedNCT01120704What this trial is testingEvaluation of Treatments to Improve Smoking Cessation Medication AdherenceWho this might be right forSmokingSmoking CessationAdherence+2 more University of Wisconsin, Madison 544
Post-approval studies (Phase 4)Study completedNCT01553084What this trial is testingA Comparative Effectiveness & Long Term Health Study in Wisconsin SmokersWho this might be right forSmoking CessationSmokingNicotine Dependence University of Wisconsin, Madison 1,086
Post-approval studies (Phase 4)Study completedNCT00176449What this trial is testingA Comparison of Bupropion SR and Placebo for Smoking CessationWho this might be right forTobacco Use Disorder University of Maryland, Baltimore 52
Not applicableWithdrawnNCT04047836What this trial is testingVaping High vs. Low Nicotine E-LiquidWho this might be right forCardiovascular Risk FactorNicotine Dependence University of California, San Francisco
Not applicableStudy completedNCT06777784What this trial is testingModern Nicotine Oral Product Abuse LiabilityWho this might be right forSmokingTobacco Use RAI Services Company 40
Post-approval studies (Phase 4)Study completedNCT04595318What this trial is testingVarenicline for Co-occurring Cannabis and Tobacco UseWho this might be right forCannabis DependenceTobacco Dependence Albert Einstein College of Medicine 7
Early research (Phase 1)Study completedNCT00061074What this trial is testingTobacco Cessation in Postmenopausal Women (Part II) - 2Who this might be right forTobacco Use Disorder University of Minnesota 1
Testing effectiveness (Phase 2)Study completedNCT00664755What this trial is testingMenstrual Cycle Effects on Smoking Cessation and Cue ReactivityWho this might be right forNicotine Dependence Medical University of South Carolina 140
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 participantsNCT06043362What this trial is testingUse of Nicotine Pouches Among Daily SmokersWho this might be right forTobacco Dependence Milton S. Hershey Medical Center 375
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
Large-scale testing (Phase 3)Study completedNCT00273156What this trial is testingA Brief Dental Office Intervention With Tobacco QuitlineWho this might be right forSmokingNicotine Dependence Mayo Clinic 90
Not applicableStudy completedNCT00006151What this trial is testingCombining a Smoke Ending Aid With Behavioral Treatment - 1Who this might be right forTobacco Use Disorder Peter Gariti 60
Not applicableStudy completedNCT02611076What this trial is testingSmoking-cessation: A Spanish-Language Clinical TrialWho this might be right forSmoking CessationTobacco Dependence H. Lee Moffitt Cancer Center and Research Institute 42
Not applicableStudy completedNCT01647425What this trial is testingAlcohol and Tobacco Consumption in Patients With Head and Neck or Lung CancerWho this might be right forHead and Neck CancerLung Cancer Centre Oscar Lambret 385
Early research (Phase 1)Study completedNCT04560868What this trial is testingDevelopment of a mHealth Intervention for Ambivalent SmokersWho this might be right forTobacco Use DisorderSmoking CessationMotivation+1 more Kaiser Permanente 57