Study Stopped
Due tot he Pandemic we decided to terminate this project.
Effects of Hookah (Waterpipe) Smoking on Blood Vessel Function
Effects of Hookah Smoking on Vascular Regulation: Novel Insight Into Endothelial Function
1 other identifier
interventional
58
1 country
1
Brief Summary
The purpose of this study is to assess the acute effects of Hookah (waterpipe) smoking on blood vessel function. Hookah smoking has been shown to immediately increase blood pressure and heart rate which could result in damage in the inner lining of the body's blood vessels.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started Jan 2015
Longer than P75 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 1, 2015
CompletedFirst Submitted
Initial submission to the registry
January 13, 2015
CompletedFirst Posted
Study publicly available on registry
August 6, 2018
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 1, 2020
CompletedStudy Completion
Last participant's last visit for all outcomes
March 1, 2020
CompletedFebruary 4, 2021
February 1, 2021
5.2 years
January 13, 2015
February 2, 2021
Conditions
Outcome Measures
Primary Outcomes (1)
Brachial artery flow-mediated dilation
change from baseline to immediately after smoking
Secondary Outcomes (1)
Reactive hyperemia peripheral arterial tonometry
change from baseline to immediately after smoking
Other Outcomes (2)
Pulse wave velocity
change from baseline to immediately after smoking
aortic pressure waveform
change from baseline to immediately after smoking
Study Arms (1)
Hookah smoking
EXPERIMENTALHealthy habitual Hookah smokers will undergo brachial artery flow mediated dilation, reactive hyperemia peripheral arterial tonometry or pulse tonometry before and after Hookah smoking.
Interventions
ad lib hookah smoking for 30 minutes in a controlled laboratory environment.
Eligibility Criteria
You may qualify if:
- to 29 years of age
- Habitual Hookah smoker defined as having smoked Hookah \>=12 times in the past 12 months
- Have not smoked cigarettes within the past 12 months
You may not qualify if:
- History of cardiopulmonary, diabetes, dyslipidemia or psychiatric disease
- Exhaled carbon monoxide level \>10 ppm
- BP \< 140/90 mmHg
- BMI \<18.5 or \> 30 kg•m2
- Resting heart rate \> 100 beats/min
- Taking prescription medication
- History of illicit drug use
- Pregnant
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Cedars-Sinai Medical Centerlead
- University of California, Los Angelescollaborator
- University of California, San Franciscocollaborator
Study Sites (1)
Cedars-Sinai Medical Center
Los Angeles, California, 90048, United States
Related Publications (1)
Rezk-Hanna M, Mosenifar Z, Benowitz NL, Rader F, Rashid M, Davoren K, Moy NB, Doering L, Robbins W, Sarna L, Li N, Chang LC, Elashoff RM, Victor RG. High Carbon Monoxide Levels from Charcoal Combustion Mask Acute Endothelial Dysfunction Induced by Hookah (Waterpipe) Smoking in Young Adults. Circulation. 2019 May 7;139(19):2215-2224. doi: 10.1161/CIRCULATIONAHA.118.037375.
PMID: 30764644DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Florian Rader, MD
Cedars-Sinai Medical Center
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- OTHER
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- M.D, M.Sc.
Study Record Dates
First Submitted
January 13, 2015
First Posted
August 6, 2018
Study Start
January 1, 2015
Primary Completion
March 1, 2020
Study Completion
March 1, 2020
Last Updated
February 4, 2021
Record last verified: 2021-02
Data Sharing
- IPD Sharing
- Will not share