Not applicableEnded earlyNCT03616002What this trial is testingEffects of Hookah (Waterpipe) Smoking on Blood Vessel FunctionWho this might be right forHookah Smoking Cedars-Sinai Medical Center 58
Not applicableStudy completedNCT01157832What this trial is testingEvaluation of the Acute Effect of Water-Pipe Smoking on the Respiratory SystemWho this might be right forCarboxyhemoglobinVital SignsFractional Exhaled NO+1 more Rambam Health Care Campus 45
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 completedNCT03723616What this trial is testingReactions to Warnings on Hookah AdsWho this might be right forReactions to WarningsHookah Smoking Duke University 2,588
Not applicableStudy completedNCT03625440What this trial is testingAcute Effects of Waterpipe Smoking on Cognitive Measures and Cardiorespiratory ParametersWho this might be right forWaterpipe Smoking Rambam Health Care Campus 55
Not applicableStudy completedNCT02147665What this trial is testingEffects of Hookah Smoking on Blood Flow to the Heart, Muscle and SkinWho this might be right forHookah Smoking Cedars-Sinai Medical Center 42
Not applicableStudy completedNCT05317663What this trial is testingDeveloping and Testing Waterpipe-specific Health Warning LabelsWho this might be right forWaterpipe SmokingHealth Warning LabelHarm Perception+3 more Florida International University 44
Not applicableStudy completedNCT03096860What this trial is testingEffect of Concurrent Hookah and Alcohol Consumption on Smoking Topography and Toxicant ExposureWho this might be right forAlcohol Use, UnspecifiedHookah Smoking Oklahoma State University 50
Not applicableStudy completedNCT04252014What this trial is testingOptimizing Hookah Tobacco Public Education Messages to Reduce Young Adult UseWho this might be right forHookah Tobacco Smoking Georgetown University 830
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 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 applicableLooking for participantsNCT07562295What this trial is testingPeriodontal Health Among Cigarette, Electronic Cigarettes, and Narghile SmokersWho this might be right forSmokersPeriodontal Status Al-Hawash Private University 90
Not applicableStudy completedNCT03595280What this trial is testingOptimizing Risk Messages for Waterpipe Tobacco Cessation in Young AdultsWho this might be right forHookah Smoking Georgetown University 349
Not applicableStudy completedNCT05439421What this trial is testingConsumer Perceptions of Waterpipe Tobacco Packaging and Digital Marketing ClaimsWho this might be right forWaterpipe Tobacco Smoking Wake Forest University Health Sciences 1,507
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
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 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 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 applicableStudy completedNCT04133376What this trial is testingElectronic Hookah and Endothelial Cell FunctionWho this might be right forSmokingEndothelial Dysfunction University of California, Los Angeles 33
Not applicableStudy completedNCT06316947What this trial is testingDeveloping and Pilot Testing an Intervention to Reduce Household Shisha Smoke Exposure Within Somali HomesWho this might be right forShisha University of Minnesota 15