Not applicableStudy completedNCT03861078What this trial is testingThe Effect of Electronic Cigarette Liquid Characteristics in Smokers.Who this might be right forElectronic Cigarettes Virginia Commonwealth University 22
Testing effectiveness (Phase 2)Study completedNCT00937235What this trial is testingTreatment of Smoking Among Individuals With PTSDWho this might be right forCigarette SmokingNicotine DependencePost-traumatic Stress Disorder+1 more University of Pennsylvania 142
Post-approval studies (Phase 4)Study completedNCT00843622What this trial is testingControlled Study of the Ability of a Smokefree Tobacco Product to Increase the Quit Rate Among Cigarette SmokersWho this might be right forCigarette Smoking Swedish Match AB 250
Early research (Phase 1)Looking for participantsNCT05962229What this trial is testingComparative Pharmacokinetics and Pharmacodynamics of Synthetic NicotineWho this might be right forNicotine DependenceNicotine Vaping University of California, San Francisco 18
Testing effectiveness (Phase 2)Study completedNCT06091826What this trial is testingStudy Assessing Efficacy and Safety of NFL-101 on Reduction of Reinforcing Properties of Cigarettes (PRECESTO)Who this might be right forSmoking CessationNicotine Dependence NFL Biosciences SAS 34
Not applicableStudy completedNCT05105555What this trial is testingThe e-BILD Study: Effects of E-cigarettes on Lung Health in Teenagers.Who this might be right forVapingLung Diseases Insel Gruppe AG, University Hospital Bern 60
Not applicableStudy completedNCT02228824What this trial is testingVery-Low Nicotine Cigarettes and Non-Daily SmokersWho this might be right forSmoking Saul Shiffman 312
Large-scale testing (Phase 3)Study completedNCT00682474What this trial is testingSchool Nurse-Delivered Smoking Cessation InterventionWho this might be right forCigarette SmokingNicotine Dependence University of Massachusetts, Worcester 1,058
Not applicableLooking for participantsNCT07661550What this trial is testingPrevention of Postpartum Smoking Relapse and Related Health Consequences by Breastfeeding PromotionWho this might be right forSmoking ( Cigarette)Breastfeeding State University of New York at Buffalo 280
Testing effectiveness (Phase 2)Study completedNCT05541497What this trial is testingVarenicline for Treatment of E-cigarette DependenceWho this might be right forSmoking Cessation Yale University 40
Not applicableStudy completedNCT01194583What this trial is testingEfficacy and Safety of an Electronic Nicotine Delivery Device (E-Cigarette) Without Nicotine CartridgesWho this might be right forHealthy SmokersSmoking Cessation University of Catania 100
Not applicableStudy completedNCT01031121What this trial is testingBreath Carbon Monoxide and Cotinine as Biomarkers to Distinguish Smokers From NonsmokersWho this might be right forNicotine Dependence National Institute on Drug Abuse (NIDA) 240
Large-scale testing (Phase 3)UnknownNCT05825924What this trial is testingEffectiveness of Different THR Products in Adult PopulationWho this might be right forSmoking Cessation Foundation for a Smoke Free World INC 258
Not applicableWithdrawnNCT01979796What this trial is testingAntismoking Effects of Electronic Cigarettes in Subjects With Schizophrenia and Their Potential Influence on Cognitive Functioning.Who this might be right forTobacco Smoking in Schizophrenic Patients University of Catania
Not applicableEnrolling By InvitationNCT06924697What this trial is testingEffect of Glucagon-like Peptide-1 (GLP-1) Receptor Agonist Stimulation on Smoking Consumption in Type 2 Diabetes PatientsWho this might be right forDiabetes Mellitus, Type 2Nicotine Dependence, Cigarettes Shanghai East Hospital 46
Testing effectiveness (Phase 2)Study completedNCT01685996What this trial is testingZonisamide Augmentation of Varenicline Treatment for Smoking CessationWho this might be right forNicotine Dependence Johns Hopkins University 74
Not applicableStudy completedNCT04844762What this trial is testingAddiction and Behavior Related to Menthol Cigarette SubstitutesWho this might be right forSmoking (Tobacco) Addiction Ohio State University Comprehensive Cancer Center 120
Not applicableStudy completedNCT05041959What this trial is testingNicotine Withdrawal and Reward ProcessingWho this might be right forCigarette SmokingNicotine DependenceNicotine Withdrawal University of Oklahoma 58
Not applicableLooking for participantsNCT05836103What this trial is testingTesting the Impact of Smartphone-based Messaging to Support Young Adult Smoking CessationWho this might be right forTobacco Cigarette Smoking Johns Hopkins Bloomberg School of Public Health 160
Not applicableStudy completedNCT03645941What this trial is testingConnecting Alaska Native People to Quit SmokingWho this might be right forTobacco UseTobacco SmokingTobacco Use Cessation+4 more Mayo Clinic 61