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Clinical Trial Summary

COPD and sleep apnea dyspnea syndrome represent two of the most common chronic lung diseases. It is reported that the prevalence of COPD with sleep apnea dyspnea syndrome is also very high. COPD and sleep apnea may have pathological or genetics interactions so that patients having both disorders tend to have worse outcomes than either condition alone. Data reflecting the prevalence, disease course and outcome of overlap syndrome is very limited in China. Therefore, the aim of the study is to describe the prevalence, treatment and outcome in Chinese patients and exploring the underlying interaction mechanism.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT03182309
Study type Observational [Patient Registry]
Source Chinese Academy of Medical Sciences, Fuwai Hospital
Contact Ke Hu, MD
Phone 18971035988
Email hukejx@163.com
Status Recruiting
Phase N/A
Start date June 15, 2017
Completion date December 31, 2020

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