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  • Title: Efficacy and Safety of Low-Dose Versus Standard-Dose Valganciclovir for Prevention of Cytomegalovirus Disease in Intermediate-Risk Kidney Transplant Recipients.
    Author: Halim MA, Al-Otaibi T, Gheith O, Adel H, Mosaad A, Hasaneen AA, Zakaria Z, Makkeya Y, Said T, Nair P.
    Journal: Exp Clin Transplant; 2016 Oct; 14(5):526-534. PubMed ID: 27310254.
    Abstract:
    OBJECTIVES: Prophylaxis for cytomegalovirus infection is highly recommended for kidney transplant recipients. The use of daily 900 mg valganciclovir is the usual prophylactic dose, whereas 450 mg daily is under investigation. We evaluated the outcome of using 2 different doses of valganciclovir prophylaxis for cytomegalovirus infection after kidney transplant. MATERIALS AND METHODS: We randomized kidney transplant recipients (1:1) to receive 450 mg daily valganciclovir (group 1) or 900 mg daily valganciclovir (group 2) for the first 6 months after kidney transplant. Serologically, all patients were at moderate risk for cytomegalovirus infection. Patients were studied for incidence of cytomegalovirus disease, leukopenia attacks, rejection episodes, and graft outcomes for 1 year. RESULTS: Demographic features of group 1 (98 patients) and group 2 (98 patients) were comparable. More than 50% of patients received thymoglobulin induction therapy without difference between the groups. There were more leukopenia attacks in group 2 (P = .03) requiring higher doses of granulocyte colony-stimulating factor (P = .03). Group 2 patients received lower doses of mycophenolate mofetil (P= .04) and required reduced doses of valganciclovir (P = .045). Compared with group 1, the high-dose group developed numerically more rejection episodes (P = .057) and more cytomegalovirus infections requiring full treatment (P = .17). Graft and patient outcomes were satisfactory in both groups. CONCLUSION: Six months of low-dose valganciclovir prophylaxis for intermediate-risk kidney transplant recipients was as effective as high-dose valganciclovir with a better safety profile.
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