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Predictors of Early and Late Lung Function Improvement in Severe Eosinophilic Asthma on Type2-Biologics in the PRISM Study

Authors
Pham, Duong DucLee, Ji-HyangKwon, Hyouk-SooSong, Woo-JungCho, You SookKim, HyunkyoungKwon, Jae-WooPark, So-YoungKim, SujeongHur, Gyu YoungKim, Byung KeunNam, Young-HeeYang, Min-SukKim, Mi-YeongKim, Sae-HoonLee, Byung-JaeLee, TaehoonKim, Min-HyeCho, Young-JooPark, ChansunJung, Jae-WooPark, Han KiKim, Joo-HeeMoon, Ji-YongBhavsar, PankajAdcock, IanChung, Kian FanKim, Tae-Bum
Issue Date
Jan-2024
Publisher
Springer Verlag
Keywords
Early and late response; Biologics; Severe eosinophilic asthma; Lung function
Citation
Lung
Indexed
SCIE
SCOPUS
Journal Title
Lung
URI
https://scholarworks.korea.ac.kr/kumedicine/handle/2021.sw.kumedicine/65439
DOI
10.1007/s00408-024-00670-w
ISSN
0341-2040
1432-1750
Abstract
BackgroundThe determinants linked to the short- and long-term improvement in lung function in patients with severe eosinophilic asthma (SEA) on biological treatment (BioT) remain elusive.ObjectiveWe sought to identify the predictors of early and late lung function improvement in patients with SEA after BioT.Methods140 adult patients with SEA who received mepolizumab, dupilumab, or reslizumab were followed up for 6 months to evaluate improvement in forced expiratory volume in one second (FEV1). Logistic regression was used to determine the association between potential prognostic factors and improved lung function at 1 and 6 months of treatment.ResultsMore than a third of patients with SEA using BioT showed early and sustained improvements in FEV1 after 1 month. A significant association was found between low baseline FEV1 and high blood eosinophil count and sustained FEV1 improvement after 1 month (0.54 [0.37-0.79] and 1.88 [1.28-2.97] odds ratios and 95% confidence interval, respectively). Meanwhile, among patients who did not experience FEV1 improvement after 1 month, 39% exhibited improvement at 6 months follow-up. A high ACT score measured at this visit was the most reliable predictor of late response after 6 months of treatment (OR and 95% CI 1.75 [1.09-2.98]).ConclusionFactors predicting the efficacy of biological agents that improve lung function in SEA vary according to the stage of response.
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Hur, Gyu Young
Guro Hospital (Department of Pulmonary, Allergy, and Critical Care Medicine, Guro Hospital)
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