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Novel use of rituximab for steroid-dependent nephrotic syndrome in children.

Kimata, Takahisa; Hasui, Masafumi; Kino, Jiro; Kitao, Tetsuya; Yamanouchi, Sohsaku; Tsuji, Shoji; Kaneko, Kazunari.
Am J Nephrol; 38(6): 483-8, 2013.
Artigo em Inglês | MEDLINE | ID: mdl-24296765


Though rituximab (RTX) is effective for childhood steroid-dependent nephrotic syndrome (SDNS), an established regimen does not exist. The relapses tend to occur when the peripheral blood B-cell count re-arises at 3 months upon single RTX infusion. This study was conducted to clarify whether the long-term remission of SDNS can be obtained by repeated RTX administrations.


RTX was administered 4 times at 3-month intervals at 375 mg/m(2)/time to 5 children with SDNS. The changes in the clinical indicators were analyzed.


The median (range) observation period was 6.3 (0.9-8.4) years before RTX and 3.2 (1.9-3.8) years following the commencement of RTX. The changes in the clinical indicators were as follows (median and range) (1) annual number of relapses before administration 1.4 (1.1-3.5) times/year, after administration 0.0 (0.0-0.0) times/year, and (2) median steroid dosage before administration 0.80 (0.23-0.96) mg/kg/day, after administration 0.00 (0.00-0.00) mg/kg/day. All changes were significant at p < 0.05. Relapse occurred 3 times following the start of RTX (the period to relapse was 2.2, 1.9, and 2.3 years, respectively). No serious side effects were seen.


Repeated RTX against SDNS in children may be a useful therapeutic option.
Selo DaSilva