At a glance
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Valganciclovir Dosing in Pediatric Solid Organ Transplant Recipients - a Prospective Study
In Brief
A Phase 4 clinical trial evaluating prophylactic Valganciclovir for Infection in Solid Organ Transplant Recipients. Completed, enrolled 13 participants across 1 site.
Detailed Summary
Valganciclovir is extensively used for cytomegalovirus (CMV) infection treatment and prophylaxis after solid organ transplantation (SOT). VGC dosing is problematic in children. valganciclovir has variable absorption and is renally excreted. Area Under the Curve (AUC) (0-24) of 40-60 mcg∙h/L is a predictive pharmacokinetic parameter of efficacy and safety. Dosing based on manufacturer recommendations is supra-therapeutic in most cases. A few published dosing algorithms result in AUC out of range. Objective: To prospectively validate a Valganciclovir administration dosing regimen and compare it to other dosing algorithms. Methods: Children after SOT at Schneider Children's Medical Center, the largest tertiary pediatric center in Israel, were prospectively studied, starting Dec 2014. The dosing regimen was derived from Seattle Children's Hospital guidelines; 14-16 mg/kg/dose. For impaired renal function, stratified dose reduction was used. Blood was withdrawn at steady state: 2, 5 and 10 hours post dosing. Drug level was analyzed by high pressure liquid chromatography (HPLC).
Study Details
Timeline
Interventions
The common practice dose at Schneider Children's Medical Center dosing guidelines of valganciclovir is 17 mg/kg once daily for prophylaxis, with stratified dose reductions for impaired renal function. Max dose was 900 mg.