Pharmacokinetics of oral valganciclovir solution and intravenous ganciclovir in pediatric renal and liver transplant recipients

M. D. Pescovitz, R. B. Ettenger, C. F. Strife, J. R. Sherbotie, S. E. Thomas, S. McDiarmid, S. Bartosh, J. Ives, M. R. Bouw, J. Bucuvalas

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In an open-label, prospective, pharmacokinetic assessment, we evaluated total drug exposure (area under the curve [AUC]) of intravenous (IV) ganciclovir (GCV) and oral (p.o.) valganciclovir when normalized for body surface area (BSA) in pediatric liver (n=20) and renal (n=26) transplant patients Reference doses for IV GCV (200 mg/m2) and p.o. valganciclovir (520 mg/m 2) were based on adult doses, and adjusted for BSA initially, and BSA and renal function (estimated via creatinine clearance [CrCL]) thereafter. Renal transplant patients received GCV on days 1-2, valganciclovir 260 mg/m 2 on day 3, and valganciclovir 520 mg/m2 on day 4. Liver transplant patients received twice daily GCV from enrollment to day 12, and then valganciclovir twice daily on days 13-14. GCV pharmacokinetics were described using a population pharmacokinetic approach. Type of solid organ transplant (kidney or liver) had no effect on GCV pharmacokinetics. Median GCV exposure following valganciclovir 520 mg/m2 was similar to that with IV GCV, and to that reported in adults. Patients <5 years of age had AUC values approximately 50% of those compared with older age ranges; dosing based on both BSA and CrCL increased drug exposure in younger patients. A dosing algorithm based on BSA and CrCL should be tested in future studies.

Original languageEnglish
Pages (from-to)195-203
Number of pages9
JournalTransplant Infectious Disease
Issue number3
StatePublished - Jun 2010
Externally publishedYes


  • Ganciclovir
  • Kidney transplant
  • Liver transplant
  • Pediatric
  • Pharmacokinetics
  • Valganciclovir


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