Research Study in Patients With COPD in High Risk Population in Japan: Proportion of Overlap Between COPD and Asthma, and the Relationship With COPD Exacerbatio

Not Applicable

• Conditions: COPD

• Registration Number: JPRN-UMIN000018244
• Lead Sponsor: AstraZeneca K.K.

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2015-07-08
• Last Update Posted: 17 October 2023

Recruitment & Eligibility

• Status: Complete: follow-up complete
• Sex: All
• Target Recruitment: 1100

Inclusion Criteria

Patients with a diagnosis of COPD (FEV1/FVC<0.7 confirmed based on the past medical records)
-Patients aged 40 years and over at the diagnosis of COPD
-Outpatient
-10 or more pack-years of current or former smokers
-Patients who have traceable medical records of COPD (including the results of spirometry) going back more than a year
-Patients who meet any of the following two criteria
1.Patients who have medical records of the results of spirometry at more than two different time points excluding the time point of COPD exacerbations* for the past 3 years
2.Patients who can provide the results of reversibility testing for respiratory tract
-Patients who give written informed consent regarding the participation in this study

Exclusion Criteria

-Patients currently with COPD exacerbations
-Patients who currently enroll in the other interventional study including clinical trials
-Patients who concurrently develop or have a history of lung cancer
-Patients who are disabled to understand the study procedure or answer the questionnaire (i.e. due to the history of alcohol or drug abuse)

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Proportion of ACOS defined by The Global Initiative for Asthma (GINA) and The Global Initiative for Chronic Obstructive Lung Disease (GOLD) in patients with COPD receiving outpatient treatment and follow-up by physicians in Japan.