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 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
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 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 completedNCT05705375What this trial is testingEffect of Waterpipe Size on Smoking Behavior and ExposuresWho this might be right forWaterpipe Size The University of Texas at Arlington 40
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 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 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 completedNCT03723616What this trial is testingReactions to Warnings on Hookah AdsWho this might be right forReactions to WarningsHookah Smoking Duke University 2,588
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
Not applicableStudy completedNCT04509505What this trial is testingEffect of Waterpipe Smoking on Periodontal HealthWho this might be right forWaterpipe SmokingPeriodontal Diseases Noha Ayman Ghallab 323
Not applicableStudy completedNCT07562295What 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 completedNCT03196102What this trial is testingEvaluation of a Brief Tobacco Intervention in the US MilitaryWho this might be right forTobacco UseTobacco SmokingSmoking, Cigar+3 more University of Virginia 2,999
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
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
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 completedNCT03595280What this trial is testingOptimizing Risk Messages for Waterpipe Tobacco Cessation in Young AdultsWho this might be right forHookah Smoking Georgetown University 349
Post-approval studies (Phase 4)Study completedNCT02575183What this trial is testingVarenicline (Chantix) Treatment for Waterpipe Smoking CessationWho this might be right forNicotine Dependence American University of Beirut Medical Center 152