KoSAR prospectively collects and monitors treatment response and disease progression of patients with severe asthma on regular follow ups. 

KoSAR data
  • Information regarding the demographic and clinical characteristics, medications, and disease status
  • Patients reported outcomes
  • Biological samples
  • Chest CT images
  • Link to claim data from the Health Insurance Review and Assessment Service
Interview and Review of Medical Records

Demographic and clinical information including gender, age, living environment, substance use, comorbidities, pulmonary function test, and laboratory test results.
Captured data will be stored into the eCRF.

Collection of Human Bioresources

Plasma and DNA from the participants
in accordance with the Human Specimen Collection guideline and business manual of National Biobank of Korea (NBK).

Cooperation with GCCL Co., Korea (https://www.gccl.co.kr/index.asp)
Computed Tomography of the Chest

High-resolution chest CT images
At the time of enrollment and regular followups

Linking Data in Conjunction with Public Data

To evaluate the long-term prognosis and disease burden of patients with severe asthma
The data will be examined in connection with claims data and death data of the Health Insurance Review and Assessment Service (HIRA) and the National Health Insurance Service (NHIS) for research participants with informed consents.