Not applicableStudy completedNCT03589599What this trial is testingUnderstanding the Effect of Flavor on Hookah Smoking ExperienceWho this might be right forWaterpipe Smoking Florida International University 144
Not applicableStudy completedNCT05916170What this trial is testingHookah Café Customers in the Atlanta AreaWho this might be right forWaterpipe Tobacco Smoking Wake Forest University Health Sciences 977
Not applicableStudy completedNCT03232827What this trial is testingThe Impact of Waterpipe Tobacco Flavors on Waterpipe Smoking Intentions, Perceptions, Patterns, and Toxicant ExposureWho this might be right forSmoking, HookahWaterpipe Smoking University of Oklahoma 91
Not applicableNot Yet RecruitingNCT07070154What this trial is testingEvaluating the Efficacy of a Text Messaging-based Shisha Smoking Cessation InterventionWho this might be right forInterventionControl The University of Hong Kong 100
Not applicableStudy completedNCT05783843What this trial is testingComparison of Text and Pictorial Waterpipe Tobacco Warnings Among Young AdultsWho this might be right forWaterpipe Tobacco Smoking Wake Forest University Health Sciences 1,215
Not applicableActive Not RecruitingNCT04661683What this trial is testingSecondhand Effects of Hookah (i.e., Waterpipe) Smoke and AerosolWho this might be right forHookah SmokingSecondhand AerosolVascular Stiffness+1 more University of California, Los Angeles 12
Not applicableStudy completedNCT02638194What this trial is testingAdverse Health Effects of Mainstream and Secondhand Hookah Smoke in NYC Hookah BarsWho this might be right forCOPD NYU Langone Health 26
Early research (Phase 1)Study completedNCT00992550What this trial is testingComparison of Hookah and Cigarette SmokingWho this might be right forSmoking University of California, San Francisco 13
Not applicableStudy completedNCT03690427What this trial is testingThe Cardiovascular Effects of Electronic Hookah VapingWho this might be right forEndothelial DysfunctionInflammationOxidative Stress University of California, Los Angeles 19
Not applicableStudy completedNCT02021708What this trial is testingEffect of Shisha Smoking on the Biology of the Airway Epithelium in QatarWho this might be right forSmoking Weill Medical College of Cornell University 64
Not applicableStudy completedNCT07141823What this trial is testingOxidative DNA Damage Enhancement by Vitamin C Among Narghile Smokers and Non-smokersWho this might be right forNarghile Nora Tariq Mohammed 96
Not applicableStudy completedNCT03723616What this trial is testingReactions to Warnings on Hookah AdsWho this might be right forReactions to WarningsHookah Smoking Duke University 2,588
Early research (Phase 1)Ended earlyNCT03166787What this trial is testingHookah Smoking, Carbon Monoxide, and Coronary Endothelial FunctionWho this might be right forSmokingEndothelial Dysfunction Cedars-Sinai Medical Center 60
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 applicableStudy completedNCT03253653What this trial is testingAssessing Toxicity of Waterpipe Tobacco SmokingWho this might be right forWaterpipe Smoking San Diego State University 85
Testing effectiveness (Phase 2)Ended earlyNCT02310373What this trial is testingEffects of Nicotine-Free Hookah Smoking on Blood Flow to the Heart, Muscle and SkinWho this might be right forNicotine-free Hookah Smoking Cedars-Sinai Medical Center 9
Not applicableStudy completedNCT02937415What this trial is testingCarbon Monoxide and Oxidative Stress in Waterpipe SmokersWho this might be right forWaterpipe SmokingOxidative Stress Ataturk Training and Research Hospital 100