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Salvational Intervention for Reducing AECOPD Under Severe Air Pollution — SIRCAP  

COPD Exacerbation Clinical Trial

Official title:
A Prospective Study of Salvational Intervention With ICS/LABA for Reducing Chronic Obstructive Pulmonary Disease Exacerbation Under Severe Air Pollution (SIRCAP) in Beijing

Clinical Trial Summary

This is a multi-center, prospective, randomized and standard treatment parallel control clinical trial.A total of 764 stable COPD patients according to GOLD will be recruited and equally divided into two parallel groups, salvational intervention group (SI group) and control group (CT group).On the foundation of basic medicine, inhaled ICS/LABA will be used as an intervention drug for patients in SI group on severe air pollution days. It is aimed to evaluate whether this novel treatment strategy will decrease the frequency of AECOPD per year.

Clinical Trial Description

This is a multi-center, prospective, randomized and standard treatment parallel control clinical trial. A total of 764 stable COPD patients with history of exacerbation according to GOLD will be recruited and equally divided into two parallel groups, salvational intervention group (SI group) and control group (CT group). The randomization is stratified by medical center and the random code is designed in a 1:1 ratio. The Department of Respiratory and Critical Care of Peking University First Hospital is responsible for this research. Other 10 units participating in the study include Peking University Shougang Hospital, People's Hospital of Beijing Daxing District, Beijing Jingmei Group General Hospital, Beijing Miyun Hospital, Beijing Changping Hospital, The Hospital of Shunyi District Beijing, Beijing Luhe Hospital Capital Medical University, Civil Aciation General Hospital, Beijing Jishuitan Hospital and Aerospace 731 Hospital. These 11 centers approximately cover area from urban to suburbs in Beijing. Inhaled tiotropium bromide(18ug), budesonide/formoterol（160ug/4.5ug）or tiotropium bromide(18ug)+ budesonide/formoterol （160ug/4.5ug）will be used as basic medicine. On the foundation of basic medicine, inhaled budesonide/formoterol（160ug/4.5ug）will be used as an intervention drug for patients in SI group. When air quality index (AQI) is above 200, they will temporary add one inhalation of budesonide/formoterol（160ug/4.5ug）twice a day until the third day after AQI drops below 200. CT group maintains the original treatment. Besides baseline, patients will be formally visited 4 or 5 times during this trial: before randomization (for those who need pharmacological washout) and every six months after randomization. Primary outcome is the frequency of AECOPD per year, which is defined as the frequency of AECOPD/the number of patients/year. Secondary outcomes include the number of unplanned outpatient visits, emergency medical visits, hospitalization, medical expense and mortality caused by AECOPD per year. The study protocol has been approved by the Peking University First Hospital Institutional Review Board (IRB) (2016[1032]). Any protocol modifications will be submitted for the IRB review and approval. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03083067
Study type Interventional
Source Peking University First Hospital
Contact
Status Completed
Phase N/A
Start date March 20, 2017
Completion date March 16, 2022
View Details
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