Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 18, 2026, 3:49 AM EDT

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Showing 25–27 of 3 matching trials from the live ClinicalTrials.gov search.
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Conditions
COPD
Interventions
Active smoking of Tobacco Hookah for 2 hours, Exposure to tobacco hookah second hand smoke, Visit a win bar
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
New York, New York
Terminated Phase 1 Interventional Accepts healthy volunteers

Hookah Smoking, Carbon Monoxide, and Coronary Endothelial Function

NCT03166787
Conditions
Smoking, Endothelial Dysfunction
Interventions
Charcoal hookah, E-coal hookah, Cigarette, Carbon Monoxide inhalation, Room Air inhalation, vitamin C, tadalafil
Other · Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
21 Years to 49 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

The Role of Contingency Management in Waterpipe Smoking Cessation

NCT02159092
Conditions
Waterpipe Smoking
Interventions
Contingency Management
Behavioral
Lead sponsor
Washington State University
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Spokane, Washington