Cidofovir in Pediatric Solid Organ Transplant Recipients: University of Nebraska Experience

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Background:Clinical experience with cidofovir in pediatric solid organ transplantation is limited. We assessed the effect of cidofovir use on renal function in pediatric solid organ transplant recipients.Methods:Wilcoxon signed-rank tests were used to determine if changes in renal function were significant, Wilcoxon rank-sum tests to test the association between changes in glomerular filtration rate and potential confounding factors, and MacNemar tests to compare the proportions of patients at different time points.Results:We included 25 patients with a mean age of 4.2 years (SD 4.6). More patients were receiving renal replacement therapy while being treated with cidofovir compared with baseline (24% vs. 4%; P = 0.03). For patients not receiving renal replacement therapy, there was no evidence of a significant median change in glomerular filtration rate from baseline to 1 month after cidofovir treatment (P = 0.32) or to the end of cidofovir treatment (P = 0.23) or in creatinine from baseline to the end of cidofovir therapy (P = 0.2). There was a marginal decreased median change in creatinine from baseline to 1 month after cidofovir treatment (P = 0.06). Fewer patients had proteinuria (72.2% vs. 27.8%; P = 0.02) and hematuria (22.2% vs. 0%) after cidofovir treatment.Conclusion:In our pediatric transplant cohort, cidofovir did not significantly change renal function reflected by creatinine, glomerular filtration rate, hematuria or proteinuria, but a significant number of patients required renal replacement therapy because of fluid overload.

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