Not applicableStudy completedNCT02367391What this trial is testingPenn State TXT2Quit StudyWho this might be right forNicotine Dependence, Cigarettes Milton S. Hershey Medical Center 152
Early research (Phase 1)Study completedNCT01567982What this trial is testingEffects of Transcranial Direct Current Stimulation on Tobacco Withdrawal SymptomsWho this might be right forNicotine WithdrawalTobacco Abstinence Yale University 60
Large-scale testing (Phase 3)Study completedNCT01756885What this trial is testingExtended Varenicline Treatment for Smoking Among Cancer PatientsWho this might be right forNicotine Dependence University of Pennsylvania 207
Not applicableUnknownNCT02994082What this trial is testingTreating Smokeless Tobacco Use in Rural VeteransWho this might be right forSmokeless TobaccoNicotine Dependence Mark Vander Weg 123
Not applicableWithdrawnNCT01569477What this trial is testingStriving to Quit-Wisconsin Tobacco Quit LineWho this might be right forSmoking CessationSmokingNicotine Dependence University of Wisconsin, Madison
Post-approval studies (Phase 4)Looking for participantsNCT06798324What this trial is testingTDCS Plus Varenicline for Smoking CessationWho this might be right forNicotine DependenceTobacco SmokingSmoking Cessation+3 more Centre for Addiction and Mental Health 160
Testing effectiveness (Phase 2)Study completedNCT00618280What this trial is testingSocial Cognition,Attentional Network and Nicotine Drug Dependency - A Pharmacological Clinical TrailWho this might be right forTobacco Use DisorderSchizophrenia Heinrich-Heine University, Duesseldorf 101
Not applicableStudy completedNCT01036685What this trial is testingCognitive Task Development and Implementation for Functional MRI StudiesWho this might be right forDrug AbuseNicotine Dependence National Institute on Drug Abuse (NIDA) 525
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
Not applicableStudy completedNCT04092387What this trial is testingLow Nicotine Content Cigarettes in Vulnerable Populations: Women of Reproductive AgeWho this might be right forTobacco Use Disorder University of Vermont 326
Not applicableStudy completedNCT04429568What this trial is testingTHC Crossover StudyWho this might be right forTHCCannabisCannabis Smoking+6 more University of California, San Francisco 14
Not applicableStudy completedNCT01632189What this trial is testingThe Effect of Varenicline on D2/D3 Receptor Binding in SmokersWho this might be right forNicotine Dependence Centre for Addiction and Mental Health 8
Not applicableStudy completedNCT00299117What this trial is testingBrief Smoking Intervention for Women Undergoing Breast Cancer SurgeryWho this might be right forBreast CancerSmoking Herlev Hospital 130
Testing effectiveness (Phase 2)Study completedNCT00777569What this trial is testingComparisons of Nicotine-free Cigarettes, Extra Low Nicotine Cigarettes vs. Medicinal NicotineWho this might be right forTobacco Dependence National Institute on Drug Abuse (NIDA) 66
Testing effectiveness (Phase 2)Study completedNCT00124683What this trial is testingTreating Nicotine Dependence in Schizophrenic Individuals: Effectiveness of Bupropion - 1Who this might be right forTobacco Use CessationTobacco Use DisorderSchizophrenia National Institute on Drug Abuse (NIDA) 59
Not applicableStudy completedNCT07737288What this trial is testingEffect of Teleconsultation Counseling on Smoking CessationWho this might be right forTobacco Use DisorderNicotine Dependence Dokuz Eylul University 68
Testing effectiveness (Phase 2)Ended earlyNCT01642433What this trial is testingPrazosin for Smoking CessationWho this might be right forNicotine Dependence Centre for Addiction and Mental Health 1
Not applicableStudy completedNCT01440985What this trial is testingA Study on the Effects of Two Nicotine Replacement Products on Tooth StainingWho this might be right forTobacco Dependence McNeil AB 200
Not applicableTemporarily pausedNCT01636336What this trial is testingEffects of Progesterone on Smoked Nicotine Induced Changes in Hormones and Subjective Ratings of Stimulant Drug EffectsWho this might be right forNicotine Dependence Mclean Hospital 45
Testing effectiveness (Phase 2)Study completedNCT03712098What this trial is testingDaily Liraglutide for Nicotine DependenceWho this might be right forSmoking CessationWeight, Body Rebecca Ashare 40