Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
Asan Medical Center
Age
19–79
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
1. Severe asthma patients aged 19 or older and 79 or younger
2. Cases diagnosed as asthma by an expert and classified as severe asthma according to the 2014 ATS/ERS guidelines
\- Patients who require the use of high-dose inhaled steroids and additional control agents or systemic steroids for more than 50% of the year to control symptoms. Or, if asthma is not controlled even with the medication. Here, uncontrolled asthma means that any one of the following is satisfied.
1. ACT score less than 20 or 'not well controlled' according to GINA guideline
2. frequent exacerbations; Requires systemic steroid administration (over 3 consecutive days) more than twice in the previous year If you did
3. severe exacerbation; A condition that required hospitalization, admission to an intensive care unit, or application of a ventilator in the previous year If you have been angry at least once
4. airflow restrictions; FEV1 \< 80%
3. If a cough is due to asthma according to a doctor and the cough onset scale (cough visual analogue scale, cough VAS) satisfies 30 or more points out of 100.
4. If a positive result is confirmed in the methacholine (or mannitol) bronchial challenge test (if the bronchial challenge test result is not available or the test is difficult to proceed, it can be replaced with a positive bronchodilator response test)
You may not be if
1. Minors under 19 years of age, senior citizens over 79 years of age
2. If there is a history of use of other biological agents within 3 months prior to study registration
3. Cases where there was an acute exacerbation requiring a steroid burst (total 90mg prednisolone or more) during the 4-week screening period before study registration (possible for long-term prednisolone users)
4. Cases accompanied by clinically serious respiratory disease in addition to severe asthma
5. When accompanied by hypereosinophilic syndrome, ABPA, EGPA
6. When it is difficult to evaluate asthma alone due to severe respiratory disease
7. Pregnant women
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