Not applicableStudy completedNCT02191033What this trial is testingText Messaging for Smoking Cessation in College Health ClinicsWho this might be right forCigarette Smoking Yale University 40
Not applicableWithdrawnNCT03668769What this trial is testingQuitting Schedule Mobile Smartphone Application in Helping Participants to Quit SmokingWho this might be right forCigarette SmokerCurrent Every Day SmokerCurrent Smoker+1 more M.D. Anderson Cancer Center
Not applicableStudy completedNCT00948454What this trial is testingResearch Study on the Effects of Smoking on ArteriesWho this might be right forSmoking University of Pennsylvania 105
Not applicableStudy completedNCT01568905What this trial is testingPalatability of Experimental Cigarettes - Study 2Who this might be right forSmoking University of Minnesota 36
Not applicableEnded earlyNCT02188511What this trial is testingEffects of Electronic Cigarettes on Lung BiologyWho this might be right forLung DiseaseLung Disorder Weill Medical College of Cornell University 13
Not applicableUnknownNCT00429208What this trial is testingEffect Of Nicotine on Neurocognitive Performance of Cigarette SmokersWho this might be right forNicotine DependenceSmokingTobacco Use Disorder+1 more Hadassah Medical Organization 40
Not applicableStudy completedNCT00823927What this trial is testingAlveolar Macrophage Proteomics in HIV-associated EmphysemaWho this might be right forHIVEmphysemaHIV Infections Philip Diaz 365
Post-approval studies (Phase 4)Looking for participantsNCT06966362What this trial is testingVarenicline for Smoking Reduction in Veterans Not Ready To QuitWho this might be right forVeteransTobacco Use DisorderCigarette Smoking+1 more VA Office of Research and Development 400
Not applicableStudy completedNCT01862770What this trial is testingEffect of Lung Cancer Diagnoses on Family BehaviorsWho this might be right forLung CancerBlood Relatives of Patient w/Lung CancerCigarette Smokers National Human Genome Research Institute (NHGRI) 507
Testing effectiveness (Phase 2)Study completedNCT01484717What this trial is testingInteractive Voice Response Technology to Mobilize Contingency Management for Smoking CessationWho this might be right forCigarette Smoking UConn Health 90
Not applicableUnknownNCT06072547What this trial is testingEffect of Flavored on!® Nicotine Pouch Products on Smoking Behaviors: a SMART StudyWho this might be right forCigarette Smoking Behavior Altria Client Services LLC 400
Testing effectiveness (Phase 2)Study completedNCT01305447What this trial is testingGetting Physical on Cigarettes - Smoking Cessation & Relapse PreventionWho this might be right forCancer University of Western Ontario, Canada 413
Not applicableLooking for participantsNCT06077240What this trial is testingEffects of E-cigs vs Pouches on Cigarette Smoking and AddictionWho this might be right forSmokingSmoking BehaviorsNicotine Dependence Yale University 256
Early research (Phase 1)Study completedNCT06027840What this trial is testingConcurrent vs. Sequential Cessation of Dual Cigarette and E-cigarette UseWho this might be right forCigarette SmokingE-Cigarette UseSmoking Cessation Yale University 19
Large-scale testing (Phase 3)Study completedNCT06435221What this trial is testingSafety Study of Cytisinicline in Adult Combustible and/or E-cigarette SmokersWho this might be right forSmoking CessationVaping Cessation Achieve Life Sciences 479
Not applicableStudy completedNCT01148355What this trial is testingEffects of Smoking Cues on Tobacco Craving Responses and the Reinforcing Efficacy of Cigarettes in Adolescent SmokersWho this might be right forNicotine Dependence National Institute on Drug Abuse (NIDA) 25
Not applicableStudy completedNCT07429825What this trial is testingEffect of a Mobile-Based Anti-Smoking Nursing Intervention on Nursing Students (HDDN)Who this might be right forTobacco Abuse Cigarette LÜTFİYE GÖKÇE 43
Not applicableStudy completedNCT00757120What this trial is testingBiomarkers and Genetic Factors Related to EmphysemaWho this might be right forEmphysemaPulmonary Disease, Chronic Obstructive Washington University School of Medicine 145
Early research (Phase 1)Study completedNCT02151591What this trial is testingNew Approaches to Smoking Cessation in Heavy DrinkersWho this might be right forNicotine DependenceCigarette SmokingAlcohol Consumption+1 more Yale University 26
Not applicableWithdrawnNCT03352635What this trial is testingMechanisms of Ethnic/Racial Differences in Lung Cancer Due to Cigarette Smoking Clinical and Biomarkers CoreWho this might be right forTobacco Use University of Minnesota