Not applicableStudy completedNCT02179424What this trial is testingPromoting Tobacco Control and Smoking Cessation in Workplaces [Phase I]Who this might be right forSmoking The University of Hong Kong 642
Testing effectiveness (Phase 2)Looking for participantsNCT03713424What this trial is testingAn fMRI Study of the Effects of Clavulanic Acid on Drug AddictionWho this might be right forTobacco Use Disorder University of Missouri-Columbia 30
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
Post-approval studies (Phase 4)Study completedNCT03603496What this trial is testingPost-Discharge Smoking Cessation Strategies: Helping HAND 4Who this might be right forSmoking Cessation Massachusetts General Hospital 1,416
Not applicableStudy completedNCT01588561What this trial is testingNicotine Related Brain Activity: The Influence of Smoking History and Blood Nicotine LevelsWho this might be right forNicotine Dependence Mclean Hospital 15
Testing effectiveness (Phase 2)Looking for participantsNCT05723588What this trial is testingNeuroimaging Correlates and Feasibility of Transcranial Magnetic Stimulation (TMS) to Improve Smoking Cessation Outcomes in Veterans With Comorbid PTSDWho this might be right forTobacco Use Disorder VA Office of Research and Development 50
Not applicableStudy completedNCT01238627What this trial is testingBioequivalence Between Two Oral Nicotine Sublingual Tablets, 2 mg and 4 mgWho this might be right forTobacco Dependence McNeil AB 40
Testing effectiveness (Phase 2)Looking for participantsNCT06609369What this trial is testingNeural Mechanisms Connecting Deficient Sleep and Smoking RelapseWho this might be right forTobacco UseTobacco CessationInsomnia Yale University 114
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
Not applicableWithdrawnNCT01557556What this trial is testingPexacerfont to Reduce Stress-induced Tobacco CravingWho this might be right forNicotine Dependence National Institute on Drug Abuse (NIDA)
Not applicableStudy completedNCT01921439What this trial is testingOCAST Cessation StudyWho this might be right forTobacco Smoking BehaviorCigarette Smoking BehaviorSecond Hand Tobacco Smoke+1 more University of Oklahoma 152
Not applicableStudy completedNCT03593239What this trial is testingComparing the Pharmacokinetics of Nicotine Salt Based ENDS in Healthy SmokersWho this might be right forNicotine DependenceNicotine Dependence, CigarettesTobacco Use+1 more Juul Labs, Inc. 24
Not applicableStudy completedNCT01721473What this trial is testingBrain Nicotine Receptor Density in Veteran SmokersWho this might be right forPositron Emission Tomography VA Office of Research and Development 184
Post-approval studies (Phase 4)Study completedNCT01664741What this trial is testingNicotine Dependence, Withdrawal and Replacement Therapy Assessed by PET ImagingWho this might be right forNicotine Dependence Johns Hopkins University 127
Not applicableStudy completedNCT02328794What this trial is testingRandomized Clinical Trial to Reduce Harm From TobaccoWho this might be right forSmoking Cessation University of Pennsylvania 6,006
Not applicableStudy completedNCT03870022What this trial is testingPivot Breath Sensor Performance StudyWho this might be right forSmoking CessationSmoking, Tobacco Jennifer Marler, MD 70
Testing effectiveness (Phase 2)Study completedNCT00820495What this trial is testingEffectiveness of a Web-Assisted Quitline for Smokeless Tobacco UsersWho this might be right forTobacco Use Disorder Oregon Research Institute 1,683
Not applicableStudy completedNCT01032772What this trial is testingChoicesPlus: Reducing Alcohol- and Tobacco-Exposed PregnancyWho this might be right forAlcohol UseSmokingContraception University of Texas at Austin 261
Large-scale testing (Phase 3)Study completedNCT00344695What this trial is testingBupropion Treatment for Youth Smoking CessationWho this might be right forNicotine Dependence University of Arizona
Large-scale testing (Phase 3)Ended earlyNCT00521391What this trial is testingPhysical Activity as an Aid for Smoking CessationWho this might be right forTobacco DependenceCardiovascular DiseasesPhysical Activity University of Lausanne Hospitals 600