Impact of elexacaftor/tezacaftor/ivacaftor therapy on lung clearance index and magnetic resonance imaging in children with cystic fibrosis and one or twoF508delalleles

伊瓦卡夫托 医学 囊性纤维化 磁共振成像 内科学 放射科 囊性纤维化跨膜传导调节器
作者
Mirjam Stahl,Martha Dohna,Simon Y. Graeber,Olaf Sommerburg,Diane M. Renz,Sophia T. Pallenberg,Andreas Voskrebenzev,Katharina Schütz,Gesine Hansen,Felix Doellinger,Eva Steinke,Stephanie Thee,Jobst Röhmel,Sandra Barth,Claudia Rückes-Nilges,Julian Berges,Susanne Hämmerling,Mark O. Wielpütz,Lutz Naehrlich,Jens Vogel‐Claussen,Burkhard Tümmler,Marcus Mall,Anna‐Maria Dittrich
出处
期刊:The European respiratory journal [European Respiratory Society]
卷期号:64 (3): 2400004-2400004 被引量:5
标识
DOI:10.1183/13993003.00004-2024
摘要

Background We recently demonstrated that elexacaftor/tezacaftor/ivacaftor (ETI) improves the lung clearance index (LCI) and abnormalities in lung morphology detected by magnetic resonance imaging (MRI) in adolescent and adult patients with cystic fibrosis (CF). However, real-world data on the effect of ETI on these sensitive outcomes of lung structure and function in school-age children with CF have not been reported. The aim of this study was therefore to examine the effect of ETI on the LCI and the lung MRI score in children aged 6–11 years with CF and one or two F508del alleles. Methods This prospective, observational, multicentre, post-approval study assessed the longitudinal LCI up to 12 months and the lung MRI score before and 3 months after initiation of ETI. Results A total of 107 children with CF including 40 heterozygous for F508del and a minimal function mutation (F/MF) and 67 homozygous for F508del (F/F) were enrolled in this study. Treatment with ETI improved the median (interquartile range (IQR)) LCI in F/MF (−1.0 (−2.0– −0.1); p<0.01) and F/F children (−0.8 (−1.9– −0.2); p<0.001) from 3 months onwards. Further, ETI improved the median (IQR) MRI global score in F/MF (−4.0 (−9.0–0.0); p<0.01) and F/F children (−3.5 (−7.3– −0.8); p<0.001). Conclusions ETI improves early abnormalities in lung ventilation and morphology in school-age children with CF and at least one F508del allele in a real-world setting. Our results support early initiation of ETI to reduce or even prevent lung disease progression in school-age children with CF.
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