Korean Severe Asthma Registry (KoSAR)

What is severe asthma?

  • Severe asthma is often defined as asthma requiring a high level of treatment to prevent it from becoming or remaining uncontrolled.
  • Poor control of severe asthma is associated with frequent exacerbation, high medical costs, and mortality
  • Even with vigorous research to understand severe asthma, neither an effective nor a comprehensive strategy has been determined to diagnose and treat severe asthma in clinical practice.


Korean Severe Asthma Registry (KoSAR)

  • The Korean Working Group on Severe Asthma was established in 2009 by the members of the Korean Academy of Asthma, Allergy and Clinical Immunology (KAAACI), to study and understand severe asthma in order to find better strategy for severe asthma.
  • The Korean Working Group on Severe Asthma is running the Korean Severe Asthma Registry (KoSAR) with collection of clinical data of patients with severe asthma.



  • To define clinical characteristics and phenotypes of severe asthma in Korea in multicenter, prospective observational study design
  • To estimate the burden of severe asthma and estimate treatment status of severe asthma in Korea
  • To develop better strategy for management of severe asthma
PI Sub PI Affiliation
Sung-Yoon Kang Gachon University Gil Medical Center
Young-Il Koh Da-Woon Sim Chonnam National University Hospital
Jae-Woo Kwon Kangwon National University Hospital
Mi-Ae Kim CHA Bundang Medical Center
Min-Hye Kim Ji-Su Shim Ewha Womans University Medical Center
Byung-Keun Kim Korea University Anam Hospital
Sang-Hoon Kim So Young Park Nowon Eulji Medical Center
So Ri Kim Chonbuk National University Hospital
Sujeong Kim Kyungpook National University Hospital
Joo-Hee Kim Hallym University Sacred Heart Hospital
Young-Hee Nam Dong-A University Hospital
Ji Yong Moon Hanyang University Guri Hospital
Choon-Sik Park Jong-Sook Park Soonchunhyang University Hospital Bucheon
Hae-Sim Park Young-Soo Lee Ajou University Hospital
Heung-Woo Park Hye-Ryun Kang, Suh-Young Lee Seoul National University Hospital
Ga-Young Ban Kangdong Sacred Heart Hospital
Kyoung-Hee Sohn Kyunghee University Hospital
Min-Suk Yang Seoul National University Boramae Medical Center
Yeon-Mok Oh Asan Medical Center
Kwang-Ha Yoo So-Young Park Konkuk university Medical Center
Ho-Joo Yoon Sang-Heon Kim Hanyang University Seoul Hospital
Byung-Jae Lee Samsung Medical Center
Jae-Hyun Lee Severance Hospital
Chin-Kook Rhee Hwa-Young Lee Seoul St. Mary’s Hospital
Tae-Hoon Lee Ulsan University Hospital
An-Soo Jang Soonchunhyang University Hospital Bucheon
Yoon-Seok Chang Bomi Seo Seoul National University Bundang Hospital
Jae-Woo Jung Chung-Ang University Hospital
You Sook Cho Tae-Bum Kim, Hyouk-Soo Kwon Asan Medical Center
Hyun-Jung Jin Yeungnam University Medical Center

For investigators only: Click below to visit the Severe Asthma Registry Site