Efficacy and safety of everolimus plus low-dose calcineurin inhibitor vs. mycophenolate mofetil plus standard-dose calcineurin inhibitor in renal transplant recipients: A systematic review and meta-analysis .

BACKGROUND: To seek an optimized immunotherapy which can preserve renal function while maintaining low acute rejection rates, we conducted a systematic review and meta-analysis of randomized controlled trials (RCTs) to evaluate the efficacy and safety of everolimus (EVR) plus low-dose calcineurin inhibitor (CNI) vs. mycophenolate mofetil (MMF) plus standard-dose CNI regimen after kidney transplantation (KT).

MATERIALS AND METHODS: We searched for RCTs comparing the outcomes of EVR plus low-dose CNI and MMF plus standard-dose CNI regimen after KT and identified eligible RCTs according to strict inclusion and exclusion criteria. Two authors independently assessed the quality of included studies and performed a meta-analysis using RevMan5.3.

RESULTS: Eleven RCTs with 850 renal transplant recipients were included. This meta-analysis showed that EVR plus low-dose CNI regimen was associated with comparable renal function (standardized mean difference (SMD) 0.16, 95% CI (-0.03, 0.35), p = 0.09) and a similar rate of acute rejection (risk ratio (RR) 1.16, 95% CI (0.96, 1.42), p = 0.13), graft loss (RR 0.89, 95% CI (0.63, 1.24), p = 0.49) and mortality (RR 1.19, 95% CI (0.69, 2.08), p = 0.53) compared to MMF plus standard-dose CNI regimen. In addition, EVR plus low-dose CNI regimen could reduce the rate of cytomegalovirus and infection, whereas a lower rate of other adverse events were noted in MMF plus standard-dose CNI regimen.

CONCLUSION: EVR plus low-dose CNI regimen was similar in efficacy and safety to MMF plus standard-dose CNI regimen after KT. However, this should be confirmed by further studies.
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