Association of blood eosinophils and plasma periostin with FEV₁ response after 3-month inhaled corticosteroid and long-acting beta₂-agonist treatment in stable COPD patientsopen accessAssociation of blood eosinophils and plasma periostin with FEV1 response after 3-month inhaled corticosteroid and long-acting beta(2)-agonist treatment in stable COPD patients
- Other Titles
- Association of blood eosinophils and plasma periostin with FEV1 response after 3-month inhaled corticosteroid and long-acting beta(2)-agonist treatment in stable COPD patients
- Authors
- Park, Hye Yun; Lee, Hyun; Koh, Won-Jung; Kim, Seonwoo; Jeong, Ina; Koo, Hyeon-Kyoung; Kim, Tae-Hyung; Kim, Jin Woo; Kim, Woo Jin; Oh, Yeon-Mok; Sin, Don D.; Lim, Seong Yong; Lee, Sang-Do
- Issue Date
- Dec-2016
- Publisher
- DOVE MEDICAL PRESS LTD
- Keywords
- eosinophils; periostin; COPD
- Citation
- INTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE, v.11, pp.23 - 30
- Indexed
- SCIE
SCOPUS
- Journal Title
- INTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE
- Volume
- 11
- Start Page
- 23
- End Page
- 30
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/5461
- DOI
- 10.2147/COPD.S94797
- ISSN
- 1176-9106
- Abstract
- Background: COPD patients with increased airway eosinophilic inflammation show a favorable response to inhaled corticosteroids (ICS) in combination with a long-acting bronchodilator. Recent studies have demonstrated a significant correlation of sputum eosinophilia with blood eosinophils and periostin. We investigated whether high blood eosinophils and plasma periostin were associated with an improvement in forced expiratory volume in 1 second (FEV₁) after 3-month treatment with ICS/long-acting beta₂-agonist (LABA) in stable COPD patients.
Patients and methods: Blood eosinophils and plasma periostin levels were measured in 130 stable COPD subjects selected from the Korean Obstructive Lung Disease cohort. Subjects began a 3-month ICS/LABA treatment after washout period.
Results: High blood eosinophils (>260/µL, adjusted odds ratio =3.52, P=0.009) and high plasma periostin (>23 ng/mL, adjusted odds ratio =3.52, P=0.013) were significantly associated with FEV₁ responders (>12% and 200 mL increase in FEV₁ from baseline after treatment). Moreover, the addition of high blood eosinophils to age, baseline positive bronchodilator response, and FEV₁ <50% of the predicted value significantly increased the area under the curve for prediction of FEV₁ responders (from 0.700 to 0.771; P=0.045).
Conclusion: High blood eosinophils and high plasma periostin were associated with improved lung function after 3-month ICS/LABA treatment. In particular, high blood eosinophils, in combination with age and baseline lung function parameters, might be a possible biomarker for identification of COPD patients with favorable FEV₁ improvement in response to ICS/LABA treatment.
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