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NCT01096303 Clinical Trial

Effects of Marijuana Used on Lung Function in Persons With Chronic Obstructive Pulmonary Disease (COPD)

Chronic Obstructive Pulmonary Disease Clinical Trial

Official title:
Effects of Marijuana Smoking on Pulmonary Function in Patients With COPD

Clinical Trial Details — Status: Completed

Administrative data
NCT number NCT01096303
Other study ID # HSC-MS-09-0362
Secondary ID
Status Completed
Phase N/A
First received March 24, 2010
Last updated May 12, 2017
Start date November 2010
Est. completion date December 31, 2016

Study information
Verified date May 2017
Source The University of Texas Health Science Center, Houston
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

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.

Description:

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.

Recruitment information / eligibility
Status Completed
Enrollment 200
Est. completion date December 31, 2016
Est. primary completion date December 31, 2016
Accepts healthy volunteers No
Gender All
Age group 25 Years to 90 Years
Eligibility Inclusion Criteria:

- COPD patients former or current tobacco smokers

- COPD patients former or current tobacco and marihuana smokers

Exclusion Criteria:

- History of COPD without pulmonary function testing

- Refusal to provide smoking or marihuana used history

Study Design

Related Conditions & MeSH terms

Locations
Country Name City State
United States Lyndon B Johnson General Hospital Houston Texas
United States The University of Texas- Health Science Center at Houston Houston Texas

Sponsors (1)
Lead Sponsor Collaborator
The University of Texas Health Science Center, Houston

Country where clinical trial is conducted

United States, 

Outcome
Type Measure Description Time frame Safety issue
Primary Obstructive limitation in pulmonary function test Comparison on the severity of obstruction among both groups 1 year
Secondary Decreased diffusion capacity for carbon monoxide Comparison on the severity of decreased DLco among groups. 1 year
Secondary Airtrapping Comparison on the severity of air-trapping by pulmonary function testing among groups. 1 year
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