Burden of illness and epidemiology of patients with severe asthma in Japa
Not Applicable
- Conditions
- Severe asthma
- Registration Number
- JPRN-UMIN000020163
- Lead Sponsor
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up complete
- Sex
- All
- Target Recruitment
- 250
Inclusion Criteria
Not provided
Exclusion Criteria
1. No treatment record of asthma as defined by ICD-10 codes (J45) in any of the following periods in order to secure two-years observation during the Baseline and Follow-up period. Given the prescription days at one visit is 120 days, at least one record of asthma will be required within 5 months of pre-baseline, and 5 months of after follow-up period, respectively. 5 months before Baseline period Follow-up period 5 months after Follow-up period 2. A diagnosis for cystic fibrosis. 3. A diagnosis for any cancer of respiratory system. 4. Any autoimmune diagnoses identified. 5. A diagnosis for a malignant disease under the treatment at the timing of measurement of blood eosinophil counts.
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method
- Secondary Outcome Measures
Name Time Method