Treatment of refractory lupus nephritis using leflunomide: A prospective study

IntroductionThe condition of refractory lupus nephritis (LN) negatively affects the prognosis and life expectancy of the patients, posing a challenge to manage in clinical. This interventional study evaluated the efficacy as well as safety of leflunomide in patients with refractory LN.MethodsTwenty...

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Main Authors: Shuo Zhang, Yiran Chen, Xin Chen, Yan Zhao, Xiaofeng Zeng, Fengchun Zhang, Li Wang, Mengtao Li
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-03-01
Series:Frontiers in Immunology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fimmu.2023.1133183/full
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author Shuo Zhang
Shuo Zhang
Yiran Chen
Xin Chen
Yan Zhao
Xiaofeng Zeng
Fengchun Zhang
Li Wang
Mengtao Li
author_facet Shuo Zhang
Shuo Zhang
Yiran Chen
Xin Chen
Yan Zhao
Xiaofeng Zeng
Fengchun Zhang
Li Wang
Mengtao Li
author_sort Shuo Zhang
collection DOAJ
description IntroductionThe condition of refractory lupus nephritis (LN) negatively affects the prognosis and life expectancy of the patients, posing a challenge to manage in clinical. This interventional study evaluated the efficacy as well as safety of leflunomide in patients with refractory LN.MethodsTwenty patients with refractory LN were enrolled in this study. A daily dose of 20–40 mg of leflunomide was given to the patients orally. Meanwhile, immunosuppressives were withdrawn, and corticosteroids were gradually tapered. There was an average follow-up period of 3, 6, and 12 months for most patients while some were observed for as long as 24 months. We recorded biochemical parameters and side effects. We calculated the response rate using intention-to-treat analysis.ResultsEighteen patients (90%) completed the study. At 3 months, 80% (16/20) of the patients achieved more than a 25% decrease in 24-hour urine protein quantity. At 6 months, three patients (15%) achieved a partial response, and five patients (25%) achieved a complete response. However, by 12 months and 24 months, the complete response rate dropped to 15% and 20%, respectively. The objective responses were 30% (6/20), 40% (8/20), 40% (8/20), and 30% (6/20) at 3, 6, 12, and 24 months, respectively. Two patients withdrew from the study due to developing cytopenia and leucopenia.ConclusionIn patients diagnosed with refractory LN, our study shows that leflunomide could be a promising treatment option owing to its response rate and safety profile.
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spelling doaj.art-92602f2312bc4199a04213c3707e93142023-03-17T05:07:35ZengFrontiers Media S.A.Frontiers in Immunology1664-32242023-03-011410.3389/fimmu.2023.11331831133183Treatment of refractory lupus nephritis using leflunomide: A prospective studyShuo Zhang0Shuo Zhang1Yiran Chen2Xin Chen3Yan Zhao4Xiaofeng Zeng5Fengchun Zhang6Li Wang7Mengtao Li8Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, National Clinical Research Center for Dermatologic and Immunologic Diseases, Ministry of Science and Technology, State Key Laboratory of Complex Severe and Rare Diseases, Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, ChinaDepartment of Nephrology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, ChinaDepartment of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, National Clinical Research Center for Dermatologic and Immunologic Diseases, Ministry of Science and Technology, State Key Laboratory of Complex Severe and Rare Diseases, Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, ChinaDepartment of Nephrology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, ChinaDepartment of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, National Clinical Research Center for Dermatologic and Immunologic Diseases, Ministry of Science and Technology, State Key Laboratory of Complex Severe and Rare Diseases, Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, ChinaDepartment of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, National Clinical Research Center for Dermatologic and Immunologic Diseases, Ministry of Science and Technology, State Key Laboratory of Complex Severe and Rare Diseases, Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, ChinaDepartment of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, National Clinical Research Center for Dermatologic and Immunologic Diseases, Ministry of Science and Technology, State Key Laboratory of Complex Severe and Rare Diseases, Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, ChinaDepartment of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, National Clinical Research Center for Dermatologic and Immunologic Diseases, Ministry of Science and Technology, State Key Laboratory of Complex Severe and Rare Diseases, Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, ChinaDepartment of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, National Clinical Research Center for Dermatologic and Immunologic Diseases, Ministry of Science and Technology, State Key Laboratory of Complex Severe and Rare Diseases, Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, ChinaIntroductionThe condition of refractory lupus nephritis (LN) negatively affects the prognosis and life expectancy of the patients, posing a challenge to manage in clinical. This interventional study evaluated the efficacy as well as safety of leflunomide in patients with refractory LN.MethodsTwenty patients with refractory LN were enrolled in this study. A daily dose of 20–40 mg of leflunomide was given to the patients orally. Meanwhile, immunosuppressives were withdrawn, and corticosteroids were gradually tapered. There was an average follow-up period of 3, 6, and 12 months for most patients while some were observed for as long as 24 months. We recorded biochemical parameters and side effects. We calculated the response rate using intention-to-treat analysis.ResultsEighteen patients (90%) completed the study. At 3 months, 80% (16/20) of the patients achieved more than a 25% decrease in 24-hour urine protein quantity. At 6 months, three patients (15%) achieved a partial response, and five patients (25%) achieved a complete response. However, by 12 months and 24 months, the complete response rate dropped to 15% and 20%, respectively. The objective responses were 30% (6/20), 40% (8/20), 40% (8/20), and 30% (6/20) at 3, 6, 12, and 24 months, respectively. Two patients withdrew from the study due to developing cytopenia and leucopenia.ConclusionIn patients diagnosed with refractory LN, our study shows that leflunomide could be a promising treatment option owing to its response rate and safety profile.https://www.frontiersin.org/articles/10.3389/fimmu.2023.1133183/fullrefractory lupus nephritisleflunomideinduction therapydrug safetysystemic lupus erythematosus
spellingShingle Shuo Zhang
Shuo Zhang
Yiran Chen
Xin Chen
Yan Zhao
Xiaofeng Zeng
Fengchun Zhang
Li Wang
Mengtao Li
Treatment of refractory lupus nephritis using leflunomide: A prospective study
Frontiers in Immunology
refractory lupus nephritis
leflunomide
induction therapy
drug safety
systemic lupus erythematosus
title Treatment of refractory lupus nephritis using leflunomide: A prospective study
title_full Treatment of refractory lupus nephritis using leflunomide: A prospective study
title_fullStr Treatment of refractory lupus nephritis using leflunomide: A prospective study
title_full_unstemmed Treatment of refractory lupus nephritis using leflunomide: A prospective study
title_short Treatment of refractory lupus nephritis using leflunomide: A prospective study
title_sort treatment of refractory lupus nephritis using leflunomide a prospective study
topic refractory lupus nephritis
leflunomide
induction therapy
drug safety
systemic lupus erythematosus
url https://www.frontiersin.org/articles/10.3389/fimmu.2023.1133183/full
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