Effect of Low-Dose Vs Standard-Dose Valganciclovir in the Prevention of Cytomegalovirus Disease in Kidney Transplantation Recipients: A Systemic Review and Meta-Analysis
2018
Abstract Background Valganciclovir is widely used to prevent post-transplant cytomegalovirus (CMV) infection in kidney transplant patients. However, the currently used dose remains controversial because the continuous use of this drug decreases kidney function and can induce leukopenia. Objective The purpose of this study was to measure the appropriate dose of valganciclovir required to prevent CMV infection. Methods A systematic review and meta-analysis were performed by using a random effects model. The Cochrane Central Register, MEDLINE, EMBASE, and PubMed databases were searched up to April 15, 2017. We conducted analysis on low-dose (450 mg) and standard-dose (900 mg) valganciclovir groups. Results After completion of the research, the analysis revealed that the glomerular filtration rate, graft loss, tacrolimus level, antibody-mediated rejection, and fungal and Candida infection rates did not differ between the 2 groups. However, the incidence of CMV tended to decrease in the low-dose group (0.584 [95% confidence interval [CI], 0.352–0.967]; P = .036). The biopsy-proven rejection rate decreased by 0.427 times in the low-dose group compared with the standard-dose group (95% CI, 0.274–0.667; P = .002). Furthermore, the incidence of leukopenia decreased by 0.371 times in the low-dose group compared with the standard-dose group (95% CI, 0.264–0.523; P = .001). Conclusions The 450-mg dose of valganciclovir effectively prevented post-transplantation CMV infection and decreased drug-induced side effects such as leukopenia. In the future, the lower dose of valganciclovir should be considered to prevent CMV infection and enhance cost-effectiveness.
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