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Mycophenolate mofetil or standard therapy for membranous nephropathy and focal segmental glomerulosclerosis: a pilot

Lakshmanan Senthil Nayagam1, Anirban Ganguli, Manish Rathi

  • 1Department of Nephrology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.

Nephrology, Dialysis, Transplantation : Official Publication of the European Dialysis and Transplant Association - European Renal Association
|November 9, 2007
PubMed
Abstract

Insights

Mycophenolate mofetil (MMF) shows comparable short-term efficacy to standard treatments for nephrotic syndrome in membranous nephropathy (MN) and focal segmental glomerulosclerosis (FSGS). MMF offers faster remission and reduced steroid use in FSGS patients.

Area of Science:

  • Nephrology
  • Immunosuppressive therapy
  • Glomerular diseases

Background:

  • Current treatments for nephrotic syndrome in idiopathic membranous nephropathy (MN) and focal segmental glomerulosclerosis (FSGS) rely on steroids and cytotoxic agents.
  • Limited and conflicting data exist regarding the efficacy of mycophenolate mofetil (MMF) for these conditions.

Purpose of the Study:

  • To compare the efficacy of MMF-based therapy versus standard treatments in inducing remission for adult nephrotic patients with MN and FSGS.
  • To evaluate the impact of MMF on remission rates, relapse frequency, infection incidence, and steroid exposure.

Main Methods:

  • A randomized pilot study involving 54 adult nephrotic patients (21 MN, 33 FSGS).
  • Patients were randomized to receive MMF (2 g/day for 6 months) plus limited prednisolone or conventional therapy (steroids for FSGS, steroids/cyclophosphamide for MN).
  • Primary endpoint: change in urinary protein/creatinine ratio.

Main Results:

  • No significant difference in remission rates between MMF and conventional therapy groups for either MN or FSGS.
  • Similar frequencies of relapses and infections were observed in both groups.
  • Patients with FSGS receiving MMF achieved remission faster and had lower cumulative steroid doses.

Conclusions:

  • Six-month MMF treatment is as effective as conventional therapy for the primary treatment of MN and FSGS in the short term.
  • MMF accelerates remission and reduces steroid exposure in FSGS patients.
  • Further studies with larger cohorts and longer follow-up are needed to assess MMF's long-term impact on kidney function preservation.

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