Renal transplant patients with gastrointestinal intolerability to mycophenolate mofetil: conversion to enteric-coated

N Calvo1, A I Sanchez-Fructuoso, J Conesa

  • 1Nephrology Department, Hospital Clinico San Carlos, Madrid, Spain. jaicar@iies.es

Transplantation Proceedings
|November 14, 2006
PubMed

Insights

Enteric-coated mycophenolate sodium (EC-MPS) offers a safer alternative to mycophenolate mofetil (MMF) for kidney transplant patients. Switching to EC-MPS reduced gastrointestinal issues and improved kidney function without increasing rejection risk.

Area of Science:

  • Nephrology
  • Transplantation Immunology
  • Pharmacology

Background:

  • Mycophenolate mofetil (MMF) is a key immunosuppressant but causes gastrointestinal (GI) side effects.
  • Enteric-coated mycophenolate sodium (EC-MPS) was developed to mitigate MMF-associated GI toxicity.
  • Previous trials indicated EC-MPS safety in renal transplant recipients.

Purpose of the Study:

  • To evaluate the safety and efficacy of switching stable renal transplant patients from MMF to EC-MPS.
  • To assess the impact of EC-MPS on GI adverse events and graft function.

Main Methods:

  • A prospective study involving 39 stable kidney transplant patients on MMF.
  • Patients were switched to therapeutically equivalent doses of EC-MPS.
  • Adverse events, mycophenolic acid levels, calcineurin inhibitor doses, and serum creatinine were monitored over 3 months.

Main Results:

  • A significantly lower incidence of GI adverse events (15.8%) was observed after switching to EC-MPS.
  • Higher mycophenolic acid levels suggest improved absorption with EC-MPS.
  • Serum creatinine improved from 1.83 to 1.70 mg/dL, and calcineurin inhibitor doses were reduced without increased rejection risk.

Conclusions:

  • EC-MPS is well-tolerated in maintenance renal transplant patients experiencing GI issues with MMF.
  • Switching to EC-MPS can improve GI tolerability and potentially enhance graft function.
  • EC-MPS represents a viable alternative for optimizing immunosuppression in renal transplantation.

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