Large-scale testing (Phase 3)Study completedNCT00111501What this trial is testingLGBT Internet Based Smoking Treatment - 1Who this might be right forTobacco Use Disorder University of California, San Francisco 792
Not applicableStudy completedNCT01967732What this trial is testingNicotine Pharmacokinetic Profile and Safety of the Tobacco Heating System 2.2 (THS 2.2)Who this might be right forSmoking Philip Morris Products S.A. 62
Not applicableStudy completedNCT06191419What this trial is testingHuman Perception of Odors and Odor BlockersWho this might be right forTobacco SmokingSmoking Behaviors Tim McClintock 27
Not applicableUnknownNCT02697409What this trial is testingEducation Against Tobacco Randomized TrialWho this might be right forTobaccoPreventionAdolescents+1 more University of Giessen 20,000
Not applicableStudy completedNCT06483763What this trial is testingEvaluating the Impact of a Photoaging App Versus School-Based Educational Intervention on Adolescents' Knowledge, and Attitudes Towards Tobacco UseWho this might be right forTobacco Use CessationSmoking CessationSmoking Prevention Sultan Qaboos University 227
Not applicableLooking for participantsNCT07721883What this trial is testingSocial Media Influences on Engagement and Susceptibility to Non-combustible Tobacco Product Use Among Youth and Young Adults (AYA)Who this might be right forPerceptions of Tobacco Products University of Southern California 4,500
Not applicableEnded earlyNCT06503159What this trial is testingHippocampal Network Changes Following Mindfulness Training in Tobacco Vaping Adolescents in an Open-label, Pilot StudyWho this might be right forVaping TeensHealthy Volunteers National Institute on Drug Abuse (NIDA) 14
Not applicableStudy completedNCT06605924What this trial is testingOral Nicotine Pouch Marketing Features Influence on PerceptionsWho this might be right forTobacco Use Johns Hopkins Bloomberg School of Public Health 5,133
Not applicableUnknownNCT05782166What this trial is testingAdapting a Betel Quid Cessation Program for a High-risk Community in Malaysia and Evaluating Its EffectivenessWho this might be right forBetel Nut ChewerTobacco Cessation University of Malaya 92
Not applicableStudy completedNCT02432729What this trial is testingA Smoking Cessation Study to Understand the Biological and Functional Changes After One Year of Smoking CessationWho this might be right forCigarette Smoking Philip Morris Products S.A. 1,184
Not applicableStudy completedNCT01113424What this trial is testingBioequivalence Between Nicotine Replacement Products and Nicorette® GumWho this might be right forTobacco Dependence McNeil AB 88
Post-approval studies (Phase 4)Study completedNCT05206435What this trial is testingMethadone-Maintained Smokers Switching to E-CigarettesWho this might be right forNicotine DependenceElectronic Cigarette Use Butler Hospital 183
Not applicableNot Yet RecruitingNCT07356297What this trial is testingRemote Interventions for Menthol Cigarette UseWho this might be right forCigarette Smoking University of Michigan 1,200
Testing effectiveness (Phase 2)Study completedNCT00680615What this trial is testingAn Internet-Based Smokeless Tobacco Cessation Program for TeensWho this might be right forSmokeless Tobacco Use Oregon Research Institute 1,716
Large-scale testing (Phase 3)Study completedNCT01106638What this trial is testingA Trial to Test the Efficacy of a Tailored Intensive Smoking Cessation Intervention in Persons With HIV (PWHs)Who this might be right forSmokingHIV InfectionsAIDS Montefiore Medical Center 147
Not applicableLooking for participantsNCT06762210What this trial is testingThe Effectiveness of AI Molar Mind for Smoking Cessation Through Dental Health EvaluationWho this might be right forSmoking Cessation; Tobacco Dependence Fayoum University 300
Not applicableLooking for participantsNCT06945120What this trial is testingACT Lung Health Intervention: Phase TwoWho this might be right forSmoking CessationSmoking BehaviorsSmoking, Tobacco+2 more Dana-Farber Cancer Institute 50
Post-approval studies (Phase 4)Study completedNCT01620099What this trial is testingSmall Airways Involvement in Smoker Asthmatic Patients: a Pilot StudyWho this might be right forAsthma Università degli Studi di Ferrara 60
Not applicableStudy completedNCT07175987What this trial is testingA Consumer Use Behavior Study to Evaluate Puffing Topography and Average Daily Consumption of Heated Tobacco ProductsWho this might be right forSmoking Cigarette RAI Services Company 212
Post-approval studies (Phase 4)Study completedNCT02244918What this trial is testingInforming Tobacco Treatment Guidelines for African American Non-Daily SmokersWho this might be right forSmoking Cessation University of Kansas Medical Center 278