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A retrospective study on the efficacy of corticosteroid-alone therapy in membranous nephropathy patients

Moritsugu Kimura1, Masao Toyoda, Keiko Kobayashi

  • 1Division of Nephrology and Metabolism, Department of Internal Medicine, Tokai University School of Medicine, Isehara.

Internal Medicine (Tokyo, Japan)
|October 6, 2007
PubMed
Abstract

Insights

Corticosteroid-alone therapy effectively controls proteinuria in membranous nephropathy (MN). Patients treated with steroids showed significant remission rates, unlike those without steroid treatment, highlighting its benefit.

Area of Science:

  • Nephrology
  • Internal Medicine

Background:

  • Membranous nephropathy (MN) is a leading cause of adult nephrotic syndrome.
  • Current management strategies for MN remain a subject of debate.

Purpose of the Study:

  • To evaluate the efficacy of corticosteroid-monotherapy in managing proteinuria in primary membranous nephropathy patients.
  • To compare outcomes between patients receiving corticosteroids and those managed with supportive care alone.

Main Methods:

  • Retrospective analysis of 23 adult patients with primary MN and moderate proteinuria (1.0-3.5 g/day).
  • Patients were divided into a steroid group (corticosteroids plus rest and diet) and a non-steroid group (rest and diet only).
  • Follow-up data were analyzed for remission rates (complete and incomplete).

Main Results:

  • In the steroid group, 8 patients were followed up, with 62.5% achieving complete remission and 37.5% achieving incomplete remission.
  • None of the 7 patients in the non-steroid group showed improvement; 5 later received corticosteroids and 80% achieved complete remission.
  • Patients in the non-steroid group who did not receive steroids showed no remission even after two years.

Conclusions:

  • Long-term corticosteroid-alone therapy demonstrates significant benefit in achieving proteinuria control for patients with membranous nephropathy.
  • Steroid therapy appears crucial for inducing remission in primary MN, even if initiated after initial non-response to supportive care.

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