Impact of immunosuppressive regimen on survival of kidney transplant recipients with hepatitis C

[摘要]：Background. Hepatitis C virus (HCV) infection is common among end-stage renal disease patients receiving hemodialysis and a kidney transplant. HCV-positive kidney transplant recipients have worse clinical outcomes than those who are HCV negative. The optimal immunosuppressive regimen in this group of patients remains uncertain.Methods. Using data obtained from the Organ Procurement and Transplantation Network/Scientific Registry of Transplant Recipients, we studied the impact of induction and maintenance immunosuppression on risk of patient death, with death-censored graft failure and death with a functioning graft as secondary endpoints. Cox regression analysis was used to estimate hazard ratios (HR) adjusted for donor, recipient, and transplant variables. A total of 3708 HCV-positive and 75,629 HCV-negative kidney transplant recipients were analyzed.Results. Patient survival was negatively affected by HCV-positive serology. Among HCV-positive kidney transplant recipients, a reduced HR for patient death was observed with the use of induction therapy (HR=0.75, 95% CI 0.61-0.90, P=0.003) and with the use of mycophenolate mofetil (HR=0.77, 95% CI 0.64-0.92, P=0.005).Conclusions. In kidney transplant recipients with HCV-positive serology, the use of antibody induction did not negatively affect patient survival and the use of mycophenolate mofetil as part of maintenance immunosuppression was associated with better patient survival.

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