Large-scale testing (Phase 3)Study completedNCT00115869What this trial is testingHutchinson Smoking Prevention ProjectWho this might be right forSmoking Among Youth Fred Hutchinson Cancer Center 8,388
Not applicableStudy completedNCT00973570What this trial is testingSmoking Cessation Program Among Adolescents in Vocational Training CentersWho this might be right forTobacco Use Institut National de la Santé Et de la Recherche Médicale, France 2,000
Testing effectiveness (Phase 2)Study completedNCT01938976What this trial is testingEfficacy of School-Based, Peer-Led Asthma and Smoking Prevention Program on CO1 Levels and Smoking Behavior Among Early Adolescents in JordanWho this might be right forAsthmaTobaccoWaterpipe+1 more University of Technology, Sydney 815
Not applicableNot Yet RecruitingNCT06825338What this trial is testingDoes the 'CATCH My Breath' Vaping Prevention Program Prevent High School Students in Ontario, Canada From Starting to Vape?Who this might be right forVaping Behaviors University of Ontario Institute of Technology 5,600
Not applicableUnknownNCT05442294What this trial is testing"Juego de LLaves": Study Protocol of a Universal School-based Drug Use Prevention Program (PSIDUP)Who this might be right forBehavior, AddictiveAdolescent - Emotional ProblemAlcohol Abuse+3 more Susana Al-Halabí 2,500
Not applicableStudy completedNCT03722888What this trial is testingDevelopment of a Videogame Prototype Targeting Cigarette and Marijuana Smoking, and Tobacco Product Prevention Among Young Adolescents (smokeScreen)Who this might be right forSmoking Yale University 40
Not applicableNot Yet RecruitingNCT07198828What this trial is testingMobile Health (mHealth) Application for Smoking Cessation Among Adolescents in IndonesiaWho this might be right forTobacco Use DisorderSmoking CessationAdolescent Smoking Gadjah Mada University 110
Not applicableStudy completedNCT04899999What this trial is testingGraphic Messages to Prevent E-Cigarette Use Among Black and Latino AdolescentsWho this might be right forVaping University of Rochester 362
Not applicableNot Yet RecruitingNCT07162155What this trial is testingA Hybrid Program to Prevent Substance Use Risk Among Upper Elementary School Students Using a Positive Youth Development ApproachWho this might be right forVapingE Cig UsePrescription Drug Misuse Christopher Williams 3,000
Not applicableStudy completedNCT06501937What this trial is testingInfluencer Marketing: a Survey-based Experiment Among AdolescentsWho this might be right forVaping University of Southern California 664
Not applicableStudy completedNCT06308081What this trial is testingSocial Media Anti-Vaping Messages to Reduce ENDS Use Among Sexual and Gender Minority TeensWho this might be right forVapingAdolescent BehaviorCommunication Research Abramson Cancer Center at Penn Medicine 1,155
Not applicableUnknownNCT04891939What this trial is testingDevelopment and Assessment of a Teacher-led Intervention in Preventing Tobacco Use Among the Youth in GhanaWho this might be right forSmoking ReductionSmoking CessationSmoking, Tobacco+1 more Ghana Health Services 2,314
Not applicableUnknownNCT03264144What this trial is testingAddress Tobacco Use Among Adolescents in Hong KongWho this might be right forTobacco Use The University of Hong Kong 12,868
Not applicableStudy completedNCT05458895What this trial is testingEvaluating E-Cigarette Nicotine Form, Concentration, and Flavors Among YouthWho this might be right forE-cigarette Use Ohio State University Comprehensive Cancer Center 88
Not applicableStudy completedNCT04707911What this trial is testingSocial Media Intervention to Stop Nicotine and Cannabis Vaping Among AdolescentsWho this might be right forVaping University of California, San Francisco 500
Not applicableStudy completedNCT04036474What this trial is testingDevelopment, Implementation, and Evaluation of School-based Smoking Prevention Education Program Among Non-smoking AdolescentsWho this might be right forSmoking Behaviors National University of Singapore 145
Not applicableStudy completedNCT01602796What this trial is testingEffectiveness of Intervention on Reducing the Prevalence of Smoking Among AdolescentsWho this might be right forSmoking Fundació d'investigació Sanitària de les Illes Balears 2,226
Not applicableLooking for participantsNCT07116837What this trial is testingPerceived Effectiveness of Vaping Prevention Ads Among Adolescents and Young AdultsWho this might be right forVaping UNC Lineberger Comprehensive Cancer Center 3,500
Not applicableStudy completedNCT03107936What this trial is testingDevelopment of a Videogame Prototype Targeting Cigarette and Marijuana Smoking, and Tobacco Product Prevention Among Young AdolescentsWho this might be right forSmoking Yale University 40
Testing effectiveness (Phase 2)Looking for participantsNCT06662305What this trial is testingKick-Nic! Youth Quit Vaping AppWho this might be right forNicotine Vaping Yale University 306