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자료유형
학술저널
저자정보
권혁찬 (연세대학교) 김민영 (연세대학교) 송정식 (연세대학교) 박용범 (연세대학교) 이상원 (연세대학교)
저널정보
연세대학교 의과대학 Yonsei Medical Journal Yonsei Medical Journal 제61권 제8호
발행연도
2020.1
수록면
712 - 719 (8page)

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Purpose: There has been no extensive study to compare the efficacy between rituximab originator (Mabthera®) and its biosimilar(Truxima®) for microscopic polyangiitis (MPA) and granulomatosis with polyangiitis (GPA). Here, we investigated the clinical effectsof rituximab on poor outcomes of MPA and GPA in Korean patients, and compared those between Mabthera® and Truxima®. Materials and Methods: We retrospectively reviewed the medical records of a total of 139 patients, including 97 MPA patients and42 GPA patients. At diagnosis, antineutrophil cytoplasmic antibody positivity and comorbidities were assessed. During follow-up,all-cause mortality, relapse, end-stage renal disease, cerebrovascular accident and acute coronary syndrome were evaluated aspoor outcomes. In this study, rituximab was used as either Mabthera® or Truxima®. Results: The median age at diagnosis was 60.1 years and 46 patients were men (97 MPA and 42 GPA patients). Among poor outcomes,patients receiving rituximab exhibited a significantly lower cumulative relapse-free survival rate compared to those not receiving rituximab(p=0.002). Nevertheless, rituximab use did not make any difference in other poor outcomes of MPA and GPA except for relapse,which might be a rebuttal to the fact that rituximab use after relapse eventually led to better prognosis. There were no significant differencesin variables at diagnosis and during follow-up between patients receiving Mabthera® and those receiving Truxima®. Patients receivingTruxima® exhibited a similar pattern of the cumulative survival rates of each poor outcome to those receiving Mabthera®. Conclusion: Truxima® prevents poor outcomes of MPA and GPA as effectively as does Mabthera®.

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