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Effects of Marijuana Smoking on Pulmonary Function in Patients With COPD
The main hypothesis is that persons that smoke or smoked tobacco and marihuana have worsen lung function as compared with persons that only smoke or smoked tobacco.
We will follow persons with already diagnosed COPD (chronic bronchitis and/or emphysema). Obtain their smoking history: tobacco and marihuana and review their pulmonary function study results. Then we are planning to compare both groups.
Age
25 - 90 years
Sex
ALL
Healthy Volunteers
No
Lyndon B Johnson General Hospital
Houston, Texas, United States
The University of Texas- Health Science Center at Houston
Houston, Texas, United States
Start Date
November 1, 2010
Primary Completion Date
December 31, 2016
Completion Date
December 31, 2016
Last Updated
May 15, 2017
200
ACTUAL participants
Lead Sponsor
The University of Texas Health Science Center, Houston
NCT07477600
NCT05878769
NCT06717659
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