{"title":"Successful treatment of rheumatoid arthritis-associated interstitial lung disease with filgotinib: A case report on janus kinase 1 inhibition.","authors":"Atsuhiko Sunaga, Takuya Inoue","doi":"10.1002/rcr2.70023","DOIUrl":null,"url":null,"abstract":"<p><p>Filgotinib, a janus kinase 1 (JAK1) inhibitor, is used in the treatment of rheumatoid arthritis (RA). RA-associated interstitial lung disease (RA-ILD) is a severe RA complication with no established effective treatment. We report the case of a patient with RA-ILD successfully treated with filgotinib. A 46-year-old woman with RA and RA-ILD, presenting with a non-specific interstitial pneumonia pattern, was refractory to abatacept and prednisolone but responded to filgotinib. Both arthritis and RA-ILD improved significantly, and the patient remained in remission for over 12 months. Basic research indicates that JAK1 plays a role in the cytokine signal transduction in ILD; however, there are no clinical reports on the efficacy of filgotinib in RA-ILD. This case suggests filgotinib as a potential treatment for patients with RA-ILD, particularly in the early stages of this disease.</p>","PeriodicalId":45846,"journal":{"name":"Respirology Case Reports","volume":null,"pages":null},"PeriodicalIF":0.8000,"publicationDate":"2024-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11381312/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Respirology Case Reports","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1002/rcr2.70023","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/9/1 0:00:00","PubModel":"eCollection","JCR":"Q4","JCRName":"RESPIRATORY SYSTEM","Score":null,"Total":0}
引用次数: 0
Abstract
Filgotinib, a janus kinase 1 (JAK1) inhibitor, is used in the treatment of rheumatoid arthritis (RA). RA-associated interstitial lung disease (RA-ILD) is a severe RA complication with no established effective treatment. We report the case of a patient with RA-ILD successfully treated with filgotinib. A 46-year-old woman with RA and RA-ILD, presenting with a non-specific interstitial pneumonia pattern, was refractory to abatacept and prednisolone but responded to filgotinib. Both arthritis and RA-ILD improved significantly, and the patient remained in remission for over 12 months. Basic research indicates that JAK1 plays a role in the cytokine signal transduction in ILD; however, there are no clinical reports on the efficacy of filgotinib in RA-ILD. This case suggests filgotinib as a potential treatment for patients with RA-ILD, particularly in the early stages of this disease.
期刊介绍：
Respirology Case Reports is an open-access online journal dedicated to the publication of original clinical case reports, case series, clinical images and clinical videos in all fields of respiratory medicine. The Journal encourages the international exchange between clinicians and researchers of experiences in diagnosing and treating uncommon diseases or diseases with unusual presentations. All manuscripts are peer-reviewed through a streamlined process that aims at providing a rapid turnaround time from submission to publication.
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