CSA/AZA, in the absence of prednisone, improves linear growth in renal transplanted children

E David-Neto1, W Nahas, E C Sampaio

  • 1Unidade de Transplante Renal, Servico de Urologia, Hospital das Clinicas da Faculdade de Medicina da Universidade de Sao Paulo, Brazil.

Insights

Cyclosporine (CSA) and azathioprine (AZA) showed better graft survival and improved height scores in pediatric renal transplant patients compared to prednisone-based immunosuppression. However, 25% of patients experienced graft damage with CSA/AZA.

Area of Science:

  • Pediatric Nephrology
  • Transplantation Immunology
  • Immunosuppressive Therapy

Background:

  • Renal transplantation is a vital treatment for pediatric end-stage renal disease.
  • Optimizing immunosuppressive regimens is crucial for long-term graft survival and patient growth.
  • Comparing calcineurin inhibitors with traditional immunosuppressants is essential for pediatric transplant outcomes.

Purpose of the Study:

  • To compare the efficacy and safety of cyclosporine/azathioprine (CSA/AZA) versus prednisone-based immunosuppression in pediatric renal transplant recipients.
  • To evaluate graft survival, renal function, lipid profiles, and growth parameters between the two treatment groups.

Main Methods:

  • A retrospective comparison of 44 pediatric renal transplant recipients.
  • Two groups: 24 treated with CSA/AZA, 20 with prednisone plus AZA and/or CSA.
  • Follow-up included assessment of graft loss, serum creatinine, lipid profiles, and height standard deviation scores (SDS).

Main Results:

  • The CSA/AZA group had significantly better graft survival (0% vs. 25% graft loss).
  • CSA/AZA treatment led to improved height SDS over 36 months compared to prednisone.
  • While both groups showed increased serum creatinine, the CSA/AZA group had better HDL and lower VLDL and triglyceride levels.

Conclusions:

  • CSA/AZA is a favorable immunosuppressive regimen for initial pediatric renal transplants, promoting better growth and graft survival.
  • Prednisone-based immunosuppression was associated with higher graft loss and poorer growth outcomes.
  • Careful monitoring for potential adverse effects of CSA/AZA is warranted, as 25% of patients experienced graft damage.