- 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
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- Conditions
- Waterpipe Smoking
- Interventions
- Differential effects of waterpipe smoking practices on toxicity of waterpipe tobacco smoke
- Device
- Lead sponsor
- San Diego State University
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 85 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- San Diego, California
- Conditions
- Endothelial Dysfunction, Inflammation, Oxidative Stress
- Interventions
- Traditional hookah smoking, Electronic hookah vaping
- Other
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 21 Years to 39 Years
- Enrollment
- 19 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2021
- U.S. locations
- 1
- States / cities
- Los Angeles, California