Perception of Symptom Variability in COPD

Study Overview
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Brief Summary
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The objective of the study is to assess patient's perception with stable state COPD on symptom variability and to describe how symptom variability impacts daily quality of life in Chinese COPD patient with moderate, severe or very severe airflow limitation from tier 3 hospitals in China where most of COPD patients are diagnosed and treated.

Official Title
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Perception of Symptom Variability in Chinese COPD Patients

Conditions
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Chronic Obstructive Pulmonary Disease

Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Provision of subject informed consent Out-patient Clinical diagnosis of COPD at least 6 months Lung function based on data available within 3 months in medical records confirming FEV1<80% normal predicted (post-bronchodilator) and FEV1/FVC<0.7 (post-bronchodilator) Exclusion Criteria: Participation in any interventional study involving investigational drugs; Patient inability to understand the study procedures or inability/reluctance to answer questionnaire Ongoing exacerbation of COPD or exacerbation within the previous 3 months. An exacerbation is defined as a worsening of COPD symptoms leading to a treatment with antibiotics and/or a short course of system steroids and/or hospitalisation or emergency History of asthma and/or allergic rhinitis, Lung cancer or any other significant respiratory disease such as bronchiectasis, lung fibrosis, interstitial lung disease, tuberculosis, sarcoidosis

Ages Eligible for Study
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Minimum Age: 40 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| The variability of symptoms due to COPD throughout the day | To ask subject, which symptoms（breathlessness, chest tightness, coughing, wheezing, phlegm）is COPD symptoms and exist throughout the day To ask subject , whether COPD symptoms variability throughout the day exists or not ; To ask subject , which (on waking, later in the morning, in the afternoon, in the evening, at night) is the most likely occurring time of these symptoms; To ask subject , Which (on waking, later in the morning, in the afternoon, in the evening, at night) is the most troublesome time of these symptoms. | Day 1 | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| The impact of COPD symptoms on patient's daily living activities and sleep quality | To ask subject, Whether essential daily activities affected by COPD symptoms and the type of following: going up and downstairs, Going out of shopping, doing sport/exercise, doing housework, or all of these To ask subject, Whether sleep quality affected by COPD symptoms and the type of following: difficulty falling sleep, frequent waking during night, early waking in the morning, or all of these | Day 1 | 
| The impact of COPD symptoms on morning activities | To ask subject, When [getting out of bed, dressing, washing, eating breakfast, morning activity after breakfast (indoor activity, including housework) , morning exercise (outdoor activity, such as walking, sport, etc)] the essential morning activities affected by COPD symptoms: To ask subject, The extent of these morning activities affected: not at all, a little, moderate, severe, extremely severe resulting to feel difficult to complete independently, extremely severe resulting to complete under others help or cannot complete at all | Day 1 | 
| Total CAT score | CAT (COPD assessment test) has a broader coverage of the impact of COPD on the patient's daily life and well-being. | Day 1 | 
| Total MMRC score | MMRC (Modified Medical Research Council Questionnaire for Assessing the Severity of Breathlessness) assesses disability due to breathlessness. | Day 1 | 
| Patient's perception on COPD and COPD treatments | To ask subject, Seek for treatment only when symptoms occur/worsening or regularly visit physician and take medicine(s) To ask subject, Whether Knowing about how and when to use their medications To ask subject, Usually taking their medication(s) required by physician to be used in the morning at what time: before getting out of bed, within 30 minutes after getting out of bed, within 30 minutes to 1 hour after getting out of bed, over 1 hour after getting out of bed, no regular time | Day 1 | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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COPD,, symptoms,, Non-Interventional study,