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  • Title: Improved efficacy of basiliximab over antilymphocyte globulin induction therapy in paediatric renal transplantation.
    Author: Clark G, Walsh G, Deshpande P, Koffman G.
    Journal: Nephrol Dial Transplant; 2002 Jul; 17(7):1304-9. PubMed ID: 12105256.
    Abstract:
    BACKGROUND: Basiliximab is a chimeric human/mouse monoclonal antibody directed against the alpha chain of the IL-2 receptor, CD25, which has been reported as successfully reducing rejection in adult renal transplant recipients. Reported clinical experience of basiliximab in paediatric renal transplantation is limited. METHODS: Using two intravenous doses on day 0 (pre-operatively) and day 4 with prednisolone and cyclosporin A (dual) maintenance immunosuppression in 42 children undergoing renal transplantation in our unit (SIM group), we have compared patient and graft outcome, rejection rates in the first 6 months, renal function and the incidence of Cytomegalovirus (CMV) infection with 42 consecutive children who previously received antilymphocyte globulin immunoprophylaxis with prednisolone, cyclosporin A and azathioprine (triple) maintenance immunosuppression (ALG group). The two groups were similar, including HLA mismatching, apart from age and size at transplantation (SIM=10.3+/-5.4 years vs ALG=12.4+/-4.2 years, P<0.05). RESULTS: One patient in the SIM group died from food inhalation with a functioning kidney and one patient in the ALG group from Pneumocystis pneumonia and post-transplant lymphoproliferative disorders with a rejecting graft. Both 1- and 2-year actuarial graft survivals were 93% for the SIM group and 86% for the ALG group (NS). Three grafts were lost in the SIM group-none from rejection (thrombosis 2, death 1)-and seven in the ALG group-three from rejection. Occurrence of biopsy documented rejection in the first 6 months after transplantation was 0.15+/-0.22 for the SIM group and 0.35+/-0.51 episodes per pt-month at risk for ALG treatment (P<0.04). Early rejection within 30 post-operative days occurred in only four SIM patients, three of whom had undergone retransplantation. Forty-seven per cent of rejection episodes occurred between days 30 and 44 in SIM treated patients. Switching to tacrolimus was similar in both groups; 24% of the SIM groups were prescribed triple therapy. Estimated glomerular filtration rate was 46.0 and 46.2 ml/min for SIM and ALG groups, respectively, six months after transplantation. Ten per cent of SIM and 19% of ALG treated patients developed clinically significant CMV infection (NS) but none of 16 (R(+)) SIM children had CMV infection compared with 8 out of 15 (R(+)) ALG patients (P<0.01). CONCLUSIONS: Basiliximab immunoprophylaxis and dual therapy reduces rejection episodes in the first six months and maintains graft survival and function after paediatric renal transplantation. Seventy-six per cent of children receiving basiliximab immunoprophylaxis were successfully maintained on long-term dual immunosuppression. This immunosuppressive protocol reduces CMV disease in CMV(+) recipients compared with ALG induction and triple therapy.
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