Study on phenotype transition from non-elderly asthma to elderly asthma
Not Applicable
- Conditions
- Asthma
- Registration Number
- JPRN-UMIN000051699
- Lead Sponsor
- ational Hospital Organization Tokyo National Hospital
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Pending
- Sex
- All
- Target Recruitment
- 105
Inclusion Criteria
Not provided
Exclusion Criteria
1. patients with chronic respiratory diseases other than asthma and COPD 2. patients with a history of surgery, congenital diseases, or mental disorders that may affect pulmonary function tests 3. patients with hematologic or autoimmune diseases that may affect peripheral blood eosinophil counts 4. patients with mental disorders that may affect the asthma questionnaires 5. patients with hematologic, infectious, autoimmune, malignant, or inflammatory diseases that may affect the serum biomarkers 6. patients who are judged to be inappropriate to participate in this study by primary physicion
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method The phenotype transition pattern of non-elderly to elderly asthma
- Secondary Outcome Measures
Name Time Method Factors related to phenotype transition pattern