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Benefits of conversion from mycophenolate mofetil to enteric-coated mycophenolate sodium in pediatric renal
Rejane de Paula Meneses1, Cecília Halusch Kotsifas
1Division of Pediatric Nephrology, Hospital Pequeno Príncipe, Rua Desembargador Motta 1070, Curitiba, Paraná, Brazil. rejanemeneses@onda.com.br
Abstract:
Conversion from MMF to EC-MPS may reduce GI complications and permit increased MPA dosing with a concomitant reduction in CNI dose. In a prospective trial, paediatric renal transplant patients with stable graft function were converted from MMF to EC-MPS and followed-up for 12 months. Data from 28 patients (mean age 13.9 +/- 3.1 yr) were available for analysis. Mean EC-MPS dose increased significantly from conversion to month 12 (668 +/- 81 mg/m(2)/day vs. 747 +/- 98 mg/m(2)/day, p < 0.001). CsA-ME dose (n = 23) decreased from 5.3 +/- 1.7 mg/kg/day at conversion to 4.6 +/- 1.4 mg/kg/day at month 12 (p = 0.010). cGFR increased from 69.5 +/- 23.3 mL/min/1.73 m(2) at the time of conversion to 80.7 +/- 30.7 mL/min/1.73 m(2) at month 12 (p = 0.007). The number of patients reporting at least one GI event during six months prior to conversion was 15/28 (53.6%), declining to 8/28 (28.6%) at month 6 post-conversion and 5/28 (17.8%) at month 12. This single-arm study suggests that conversion of paediatric renal transplant patients from MMF to EC-MPS does not compromise efficacy and leads to improved GI tolerability. MPA dose increased and CsA-ME dose decreased significantly, with an associated improvement in calculated GFR. A large-scale controlled trial is required to confirm these promising findings.
Insights
Converting pediatric renal transplant patients from mycophenolate mofetil (MMF) to enteric-coated mycophenolate sodium (EC-MPS) improved gastrointestinal tolerability and enhanced calculated glomerular filtration rate (cGFR). This switch also allowed for increased mycophenolic acid (MPA) dosing and reduced calcineurin inhibitor (CNI) doses.
Area of Science:
- Nephrology
- Transplantation Immunology
- Pharmacology
Background:
- Gastrointestinal (GI) complications are common with mycophenolate mofetil (MMF) in pediatric renal transplant recipients.
- Optimizing immunosuppression while minimizing side effects is crucial for long-term graft survival.
Purpose of the Study:
- To evaluate the efficacy and tolerability of switching from MMF to enteric-coated mycophenolate sodium (EC-MPS) in pediatric renal transplant patients.
- To assess changes in immunosuppressant dosing and renal function post-conversion.
Main Methods:
- A prospective, single-arm study involving 28 pediatric renal transplant patients.
- Patients were converted from MMF to EC-MPS and followed for 12 months.
- Data on drug dosage, GI events, and calculated glomerular filtration rate (cGFR) were collected.
Main Results:
- Mean EC-MPS dose increased significantly, while calcineurin inhibitor (CNI) doses (cyclosporine microemulsion, CsA-ME) decreased.
- The incidence of GI events significantly declined post-conversion.
- Calculated GFR (cGFR) showed a significant improvement at 12 months post-conversion.
Conclusions:
- Conversion from MMF to EC-MPS in pediatric renal transplant patients is safe and effective.
- This switch improves GI tolerability and renal function without compromising graft efficacy.
- Further large-scale controlled trials are warranted to confirm these findings.
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