Not applicableActive Not RecruitingNCT06120855What this trial is testingStudy on Regulated Cannabis Sales in PharmaciesWho this might be right forMarijuana SmokingCannabisCannabis Use University of Bern 1,177
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)
Not applicableWithdrawnNCT03943706What this trial is testingE-Cigarette and Cigarette Nicotine Delivery and Abuse Liability in Cigarette Smokers and Dual UsersWho this might be right forTobacco Use University of Oklahoma
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
Early research (Phase 1)Study completedNCT02961309What this trial is testingA Laboratory Model of Increasing Delta-9-tetrahydrocannabinol (THC) Potency on Cigarette SmokingWho this might be right forTobacco Use Battelle Memorial Institute 9
Not applicableStudy completedNCT01511614What this trial is testingNicotine Withdrawal Symptoms and Smoking RelapseWho this might be right forNicotine Dependence National Institute on Drug Abuse (NIDA) 112
Testing effectiveness (Phase 2)Study completedNCT01330030What this trial is testingSelegiline Patch for Treatment of Nicotine DependenceWho this might be right forTobacco Use Disorder Stanford University 243
Not applicableStudy completedNCT00741299What this trial is testingThe Association Between Tobacco Smoking and Bipolar Affective DisorderWho this might be right forBipolar Disorder Tirat Carmel Mental Health Center 100
Not applicableStudy completedNCT04776863What this trial is testingEffect of Smokeless Tobacco on Anterior SegmentWho this might be right forEye ManifestationsTobacco; Use, HarmfulTobacco Chewing Toxicity Kahramanmaras Sutcu Imam University 107
Not applicableStudy completedNCT01735487What this trial is testingCogEcig: Cognitive Functioning and Electronic CigaretteWho this might be right forTobacco Abuse Smoke University of Catania 20
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 applicableLooking for participantsNCT06535867What this trial is testingThe Efficacy of Conventional Screening Versus mHealth Screening in Early Detection of Oral Potentially Malignant Disorders and Oral Cancer Amongst the Rural Population of Varanasi: A Prospective and Blinded StudyWho this might be right forSmokingSmoking, CigaretteSmoking, Tobacco+5 more Memorial Sloan Kettering Cancer Center 5,122
Post-approval studies (Phase 4)Looking for participantsNCT06986993What this trial is testingImpact of Semaglutide on Tobacco Use and Related Health BehaviorsWho this might be right forTobacco Use University of Oklahoma 40
Not applicableStudy completedNCT05365633What this trial is testingEmpowering LGBTQ+ Tobacco Cessation PilotWho this might be right forSmoking Cessation University of Oklahoma 20
Not applicableStudy completedNCT02989038What this trial is testingReactions to Reduced Nicotine Cigarettes in Young Adult Low-Frequency SmokersWho this might be right forNicotine Dependence Duke University 182
Not applicableWithdrawnNCT01589055What this trial is testingIV Nicotine Induced Changes in Hormone Function, Mood States and BehaviorWho this might be right forNicotine Dependence Mclean Hospital
Not applicableStudy completedNCT03097445What this trial is testingLong-term Effectiveness of Mailed Nicotine Replacement Therapy: A 5-year Follow-upWho this might be right forSmoking Cessation Centre for Addiction and Mental Health 1,000
Not applicableStudy completedNCT01665066What this trial is testingPharmacokinetic Profile of Toxic Substances and Nicotine in Electronic CigarettesWho this might be right forTobacco Abuse Smoke University of Catania 15