Not applicableLooking for participantsNCT07398976What this trial is testingSex Differences in E-Cigarette PerceptionWho this might be right forNicotine DependenceE-cigarette Use Yale University 60
Not applicableStudy completedNCT02500589What this trial is testingAdjunctive Mood Management for Telephone-based Smoking CessationWho this might be right forNicotine Dependence VA Office of Research and Development 350
Not applicableActive Not RecruitingNCT02627872What this trial is testingClinical & Systems Medicine Investigations of Smoking-related Chronic Obstructive Pulmonary DiseaseWho this might be right forChronic Obstructive Pulmonary DiseaseEmphysemaChronic Bronchitis+2 more Karolinska Institutet 120
Not applicableLooking for participantsNCT05932745What this trial is testingEffects of Novel E-cigarette Constituents on Adults TCORS 3.0Who this might be right forNicotine Use Disorder Yale University 66
Testing effectiveness (Phase 2)Study completedNCT05530577What this trial is testingEffects of Semaglutide on Nicotine IntakeWho this might be right forTobacco Use DisorderNicotine Addiction University of North Carolina, Chapel Hill 24
Large-scale testing (Phase 3)Study completedNCT00918307What this trial is testingEfficacy and Safety of Varenicline Among HIV-infected PatientsWho this might be right forHIV InfectionsTobacco Dependence ANRS, Emerging Infectious Diseases 248
Not applicableStudy completedNCT01250301What this trial is testingDe-nicotinised Cigarettes StudyWho this might be right forSmoking CessationTobacco Dependence Queen Mary University of London 200
Not applicableUnknownNCT06470321What this trial is testingBiopsychosocial Predictors of Nicotine RelapseWho this might be right forSmokingSmoking CessationNicotine Addiction+1 more University of Cyprus 200
Testing effectiveness (Phase 2)Looking for participantsNCT06614504What this trial is testingNicotine Regulation for Dual Users of E-cigarettes and CigarettesWho this might be right forTobacco Use Disorder University of Vermont 308
Not applicableUnknownNCT03276767What this trial is testingComparing SMS and E-mail Reminders in an Online Smoking Cessation InterventionWho this might be right forNicotine Dependence Tobacco Product University of Oslo 700
Large-scale testing (Phase 3)Study completedNCT00111501What this trial is testingLGBT Internet Based Smoking Treatment - 1Who this might be right forTobacco Use Disorder University of California, San Francisco 792
Not applicableStudy completedNCT06191419What this trial is testingHuman Perception of Odors and Odor BlockersWho this might be right forTobacco SmokingSmoking Behaviors Tim McClintock 27
Not applicableStudy completedNCT01113424What this trial is testingBioequivalence Between Nicotine Replacement Products and Nicorette® GumWho this might be right forTobacco Dependence McNeil AB 88
Post-approval studies (Phase 4)Study completedNCT05206435What this trial is testingMethadone-Maintained Smokers Switching to E-CigarettesWho this might be right forNicotine DependenceElectronic Cigarette Use Butler Hospital 183
Not applicableLooking for participantsNCT06762210What this trial is testingThe Effectiveness of AI Molar Mind for Smoking Cessation Through Dental Health EvaluationWho this might be right forSmoking Cessation; Tobacco Dependence Fayoum University 300
Testing effectiveness (Phase 2)Study completedNCT01213524What this trial is testingNicotine and Sensorimotor Replacement for Smoking in Smokers With SchizophreniaWho this might be right forTobacco Use DisorderSchizophrenia Brown University 75
Not applicableStudy completedNCT02172547What this trial is testingEffect of Spiriva® on Health-related Quality of Life in Chronic Obstructive Pulmonary Disease (COPD) Patients Who Stopped Smoking During Treatment.Who this might be right forPulmonary Disease, Chronic Obstructive Boehringer Ingelheim 10,821
Not applicableStudy completedNCT01735448What this trial is testingImproving Health for Aboriginal People Through Tobacco Related ResearchWho this might be right forTobacco Dependence The Queen Elizabeth Hospital 16
Testing effectiveness (Phase 2)Study completedNCT01202955What this trial is testingPilot Study of Tolcapone in SmokersWho this might be right forNicotine Dependence University of Pennsylvania 19
Not applicableStudy completedNCT00888979What this trial is testingPilot Study of Nicotine Replacement for Smoking Cessation During PregnancyWho this might be right forTobacco Use Disorder Hartford Hospital 10