Not applicableStudy completedNCT05949034What this trial is testingEffects of E-Cigarettes in Menthol SmokersWho this might be right forE-cigarette UseSmoking Behaviors University of Southern California 19
Testing effectiveness (Phase 2)Study completedNCT02590393What this trial is testingThe Role of Nicotine and Non-Nicotine Alkaloids in E-Cigarette Use and DependenceWho this might be right forNicotine Dependence Duke University 20
Very early researchStudy completedNCT04249219What this trial is testingResponses to E-Cigarette AdvertisingWho this might be right forE-Cig Use University of Massachusetts, Worcester 62
Not applicableStudy completedNCT04192032What this trial is testingAssessing the Effect of Flavor on ENDS Users' Experiences and ExposuresWho this might be right forElectronic Cigarette Use Florida International University 41
Not applicableActive Not RecruitingNCT06295757What this trial is testingEffects of Relighting on Smoke Toxicant Deliveries and Subjective Smoking MeasuresWho this might be right forTobacco UseCigarette SmokingNicotine Dependence Masonic Cancer Center, University of Minnesota 26
Not applicableStudy completedNCT05658471What this trial is testingPharmacokinetics and Pharmacodynamics of Nicotine With Use of Standardized Research Electronic Cigarette (SREC)Who this might be right forNicotine DependenceTobacco ToxicityCardiovascular Risk Factors University of California, San Francisco 32
Not applicableStudy completedNCT04514471What this trial is testingFeasibility of Conducting a Pilot Telehealth Study Assessing the Removal of Filter Ventilation on Smoking Behavior and Biomarkers in Menthol Smokers Switched to Non-menthol CigarettesWho this might be right forSmoking Masonic Cancer Center, University of Minnesota 46
Not applicableStudy completedNCT06644664What this trial is testingNicotine and Tobacco Message Framing to Change Smoking Behavior in Diverse Groups of Young Adult SmokersWho this might be right forTobacco-Related Carcinoma Ohio State University Comprehensive Cancer Center 292
Not applicableStudy completedNCT02139930What this trial is testingProject 2: Strategies for Reducing Nicotine Content in CigarettesWho this might be right forNicotine DependenceTobacco Smoking Wake Forest University Health Sciences 1,250
Not applicableStudy completedNCT03575468What this trial is testingEnhanced E-cigarette Coaching Intervention for Dual Users of Cigarettes and E-cigarettesWho this might be right forSmoking Cessation Consumer Wellness Solutions 110
Not applicableStudy completedNCT02323438What this trial is testingAssess Biomarkers of Tobacco Exposure and Nicotine Pharmacokinetics in Smokers After a 5-Day In-Clinic Confinement Switch to an Electronic Cigarette or Nicotine GumWho this might be right forSmoking R.J. Reynolds Vapor Company 153
Not applicableStudy completedNCT06480877What this trial is testingEffect of Aerosol From THS and Cigarette Smoke on Periodontal Tissues and Its MicrobiomeWho this might be right forPeriodontal DiseasesDysbiosis Clinical Hospital Center Rijeka 66
Early research (Phase 1)UnknownNCT02932917What this trial is testingMapMySmoke: Smoking Cessation App With Geospatial CaptureWho this might be right forSmokingCigarette SmokingSmoking, Tobacco University of St Andrews 110
Not applicableActive Not RecruitingNCT02697227What this trial is testingBehavioral Activation Therapy and Nicotine Replacement Therapy in Increasing Smoking CessationWho this might be right forCigarette SmokerTobacco Use Disorder M.D. Anderson Cancer Center 85
Not applicableStudy completedNCT01526005What this trial is testingBrain Nicotine Receptor Density & Response to Nicotine PatchWho this might be right forCigarette Smoking Brentwood Biomedical Research Institute 50
Not applicableStudy completedNCT03435562What this trial is testingAssessment of Two New Electronic Cigarettes in Cigarette SmokersWho this might be right forElectronic Cigarettes Virginia Commonwealth University 22
Not applicableEnrolling By InvitationNCT07067151What this trial is testingUsing Smartwatches to Monitor Smoking in Real-life SituationsWho this might be right forSmoking National Institute on Minority Health and Health Disparities (NIMHD) 30
Not applicableStudy completedNCT06910202What this trial is testingEffects of Cigarette and E-cigarette Flavors on Substitutability in the ETMWho this might be right forCigarette Smoking Behavior Virginia Polytechnic Institute and State University 25
Not applicableStudy completedNCT02532894What this trial is testingEffects of E-smoke on Levels of Endothelial Progenitor Cells and Microparticles in Healthy VolunteersWho this might be right forHealthy Karolinska Institutet 16
Not applicableNot Yet RecruitingNCT07593742What this trial is testingSmoking Cessation With Wearables to Improve General, Oral Health and Quality of LifeWho this might be right forSmoking ( Cigarette)Smoking (Tobacco) AddictionSmoking Behaviors+6 more University of Salerno 102