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(Val-)Ganciclovir prophylaxis reduces Epstein-Barr virus primary infection in pediatric renal transplantation

Britta Höcker1, Stephan Böhm, Helmut Fickenscher

  • 1University Children's Hospital, Heidelberg, Germany.

Transplant International : Official Journal of the European Society for Organ Transplantation
|April 27, 2012
PubMed

Insights

Antiviral prophylaxis with valganciclovir or ganciclovir significantly reduced Epstein-Barr virus (EBV) primary infection and viremia in high-risk pediatric kidney transplant recipients. This chemoprophylaxis offers a promising strategy for preventing EBV-related complications post-transplant.

Area of Science:

  • Virology
  • Immunology
  • Transplantation Medicine

Background:

  • Epstein-Barr virus (EBV) primary infection poses a significant risk for pediatric transplant recipients, potentially leading to EBV-related post-transplant lymphoproliferative disease (PTLD).
  • Currently, no standardized prophylactic regimen exists to prevent EBV primary infection in this vulnerable population.
  • Pediatric renal transplant recipients who are EBV-naïve and receive a graft from an EBV-positive donor face a high risk of primary EBV infection.

Purpose of the Study:

  • To investigate the association between chemoprophylaxis using valganciclovir (VGCV) or ganciclovir (GCV) and the incidence of EBV viremia.
  • To evaluate the efficacy of VGCV/GCV chemoprophylaxis in preventing EBV primary infection in high-risk pediatric kidney transplant recipients.
  • To assess the impact of chemoprophylaxis on EBV viral load in the first year post-transplant.

Main Methods:

  • A prospective, multicenter trial involving 114 EBV-naïve pediatric renal transplant recipients (R-) with EBV-positive donors (D+).
  • Comparison of a cohort receiving VGCV/GCV chemoprophylaxis (n=20) with a control cohort not receiving chemoprophylaxis (n=8).
  • Monitoring of EBV viremia incidence and viral load over a 1-year study period.

Main Results:

  • Antiviral prophylaxis with VGCV/GCV was associated with a significantly decreased incidence of EBV primary infection (45% in prophylaxis group vs. 100% in control group, P < 0.0001).
  • Chemoprophylaxis significantly reduced EBV viral load (P < 0.001).
  • Immunosuppressive therapy type or intensity did not affect EBV primary infection occurrence or viral load levels.

Conclusions:

  • Chemoprophylaxis with VGCV/GCV is associated with a reduced incidence of EBV viremia in high-risk pediatric kidney allograft recipients.
  • This antiviral strategy shows promise in mitigating the risk of EBV primary infection and associated complications in this patient group.
  • Further research may support the establishment of VGCV/GCV chemoprophylaxis as a standard of care for EBV-naïve pediatric kidney transplant recipients.

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