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Rituximab for recurrent IgA nephropathy in kidney transplantation: A report of three cases and proposed mechanisms
Author(s) -
Chancharoenthana Wiwat,
Townamchai Natavudh,
Leelahavanichkul Asada,
Wattanatorn Salin,
Kanjanabuch Talerngsak,
Avihingsa Yingyos,
Praditpornsilpa Kearkiat,
EiamOng Somchai
Publication year - 2017
Publication title -
nephrology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 61
eISSN - 1440-1797
pISSN - 1320-5358
DOI - 10.1111/nep.12722
Subject(s) - medicine , rituximab , proteinuria , kidney transplantation , nephropathy , regimen , gastroenterology , transplantation , disease , kidney , biopsy , immunology , urology , endocrinology , lymphoma , diabetes mellitus
Abstract Aim Recurrent IgA nephropathy (IgAN) is a common recurrent glomerular disease after kidney transplantation. Recurrent IgAN, in particular, with crescent formation or endocapillary proliferation might result in kidney allograft loss. However, the current treatment options of recurrent IgAN are conflicting. Methods We have reported three kidney‐transplanted recipients with biopsy‐proven recurrent IgAN treated with four consecutive months of rituximab at the dose of 375 mg/1.73m 2 without corticosteroids. Results At median follow‐up 20 months following rituximab administration, all three recipients demonstrated decrease in proteinuria severity, slow disease progression with a well‐tolerated condition. This therapeutic effect is most probably mediated by the B cell depletion. Conclusion Our three case reports suggest that the disease severity of recurrent IgAN with endocapillary proliferation regardless of crescent formation can be minimized by the four doses of monthly rituximab regimen.