Use of mizoribine as a rescue drug for steroid-resistant pediatric IgA nephropathy

Yohei Ikezumi, Toshiaki Suzuki, Tamaki Karasawa, Hiroshi Kawachi, David J. Nikolic-Paterson, Makoto Uchiyama

研究成果: Article査読

17 被引用数 (Scopus)

抄録

Recent clinical trials have shown a beneficial effect of mizoribine (Miz), an immunosuppressive drug, in the treatment of new-onset pediatric IgA nephropathy (IgAN). In this study, we evaluated the efficacy of Miz treatment in three children with established steroid-resistant IgAN. The patients had IgAN featuring persistent proteinuria and diffuse mesangial proliferation and had failed to respond to 2 years of treatment with prednisolone. Based upon the second biopsy results, patients were given methylprednisolone (mPSL) pulse therapy that induced a transient reduction in proteinuria, which was reversed when the mPSL dose was tapered. Miz therapy was then instigated in place of pulse mPSL. All three patients showed a substantial reduction in proteinuria and resolution of hematuria within 5 months. A follow-up biopsy in two of the patients showed a substantial reduction in the severity of glomerular lesions and a decrease in the number of activated macrophages. In conclusion, Miz therapy was found to be a safe and effective therapy in three cases of steroid-resistant pediatric IgAN. The ability of Miz to reduce the number of activated macrophages may be an important mechanism by which this drug ameliorated renal disease in these patients.

本文言語English
ページ(範囲)645-650
ページ数6
ジャーナルPediatric Nephrology
23
4
DOI
出版ステータスPublished - 04-2008
外部発表はい

All Science Journal Classification (ASJC) codes

  • 小児科学、周産期医学および子どもの健康
  • 腎臓病学

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