Not applicableUnknownNCT03191825What this trial is testingOnline Lapse Management InterventionWho this might be right forNicotine Dependence, Cigarettes University of Oslo 1,500
Testing effectiveness (Phase 2)Study completedNCT00439413What this trial is testingSelegiline for Smoking Cessation - 1Who this might be right forNicotine Dependence National Institute on Drug Abuse (NIDA) 246
Not applicableLooking for participantsNCT06746623What this trial is testingNonendoscopic Screening for Barrett's Esophagus in Veterans Without Chronic RefluxWho this might be right forObese PatientsTobacco UseVeterans+2 more Louis Stokes VA Medical Center 400
Testing effectiveness (Phase 2)Study completedNCT00368927What this trial is testingSulindac in Preventing Lung Cancer in Current or Former Smokers With Bronchial DysplasiaWho this might be right forPrecancerous ConditionStage I Non-small Cell Lung CancerTobacco Use Disorder National Cancer Institute (NCI) 61
Post-approval studies (Phase 4)Study completedNCT01980550What this trial is testingAssociation of Functional COMT Val108/Met Polymorphism With Smoking Cessation in Nicotine Replacement TherapyWho this might be right forNicotine Dependence National Institute on Drug Dependence, China 250
Not applicableStudy completedNCT03011710What this trial is testingEpidemiology and Acute Oral Effects Electronic CigaretteWho this might be right forNicotine Dependence, Cigarettes Semmelweis University 14
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
Not applicableStudy completedNCT02956213What this trial is testingIndoor Air Quality and Respiratory Symptoms in Former SmokersWho this might be right forChronic Obstructive Pulmonary Disease Intermountain Health Care, Inc. 52
Not applicableUnknownNCT05324813What this trial is testingExamining Effects of Domain Specific Episodic Future Thinking on Cannabis UseWho this might be right forMarijuana UseMarijuana DependenceTobacco Use+1 more Michael Sofis 50
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 applicableLooking for participantsNCT07298902What this trial is testingNon-Invasive Deep Brain Neuromodulation for Smoking CessationWho this might be right forNicotine Addiction The University of Texas Health Science Center, Houston 100
Post-approval studies (Phase 4)Study completedNCT04627922What this trial is testingN-Acetylcysteine for Smoking Cessation in Tobacco and Cannabis Co-UseWho this might be right forCannabis UseTobacco Use DisorderDrug Use Disorder Ellen Herbst 41
Not applicableStudy completedNCT03642041What this trial is testingStudy of Smoking Trajectory in Newly Diagnosis Lung Cancer PatientsWho this might be right forNewly Diagnosed Lung CancerSmoking, CigaretteSurvival+1 more National Defense Medical Center, Taiwan 406
Not applicableStudy completedNCT04670822What this trial is testingPostpartum Smoking Relapse Prevention by Breastfeeding PromotionWho this might be right forSmoking, CigaretteBreastfeeding State University of New York at Buffalo 60
Not applicableStudy completedNCT00135772What this trial is testingNicotine and Cotinine Levels in Smokers With Schizophrenia and Schizoaffective Disorder - 2Who this might be right forSchizophrenia and Disorders With Psychotic FeaturesTobacco Use Disorder National Institute on Drug Abuse (NIDA) 100
Large-scale testing (Phase 3)Study completedNCT00722124What this trial is testingS-Adenosyl-L-Methionine (SAMe) for Smoking AbstinenceWho this might be right forTobacco Dependence Mayo Clinic 150
Not applicableStudy completedNCT04498988What this trial is testingVolitional Dysfunction in Self-control Failures and Addictive BehaviorsWho this might be right forAddictive BehaviorAlcohol Use Disorder (AUD)Tobacco Use Disorder+2 more Technische Universität Dresden 338
Testing effectiveness (Phase 2)Study completedNCT01292642What this trial is testingCognitive Behavioral Therapy and the Nicotine Transdermal Patch for Cannabis Dependence and Nicotine DependenceWho this might be right forCannabis DependenceNicotine Dependence Mclean Hospital 12
Not applicableStudy completedNCT03442530What this trial is testingTobacco Use in Pregnancy Intervention for CessationWho this might be right forPregnancy Kristin Ashford 66
Not applicableStudy completedNCT00714896What this trial is testingInterventions for Smoking Among Persons in RecoveryWho this might be right forSmoking Cessation University of California, San Francisco 75