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Eosinophilic chronic rhinosinusitis cases with dupilumab administration measuring blood IL-5 Yasushi Ota 1 , Toshitake Tanaka 1 , Hitomi Ikeda 1 , Ryosuke Yoshino 1 , Takeshi Unno 1 , Ayako Okubo 1 , Hirohumi Sugita 1 , Munetaka Ushio 1 1Department of Otorhinolaryngology(Sakura), Toho University Sakura Medical Center Keyword: 好酸球性鼻副鼻腔炎 , デュピルマブ , 好酸球増多 , 好酸球性多発性肉芽腫性血管炎 , 血中IL5 pp.502-506
Published Date 2026/5/20
DOI https://doi.org/10.11477/mf.091434910980060502
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 We measured blood IL-5 levels in patients receiving dupilumab. This study was approved by our institutional ethics committee. Our study involved 11 patients with recurrent eosinophilic chronic rhinosinusitis who received dupilumab and consented to blood IL-5 measurement. We measured their blood IL-5 levels after Dupilumab administration. The results showed that 9 out of 11 patients had IL-5 levels below 4 pg/mL, which is within the normal range. However, two patients showed high levels of 45 pg/mL and 23 pg/mL. These two patients had previously experienced a significant increase in blood eosinophils(43% and 30.5% respectively) while on dupilumab.


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電子版ISSN 1882-1316 印刷版ISSN 0914-3491 医学書院

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