M Delgado-Arranz

Hospital 12 de Octubre, Madrid, Madrid, Spain

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Publications (1)0.98 Total impact

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    ABSTRACT: Available data for extended-release tacrolimus (Tac) except in clinical trials are limited. To describe our initial experience with once-daily Tac in combination with corticosteroids and mycophenolate mofetil therapy in patients undergoing de novo renal transplantation. In this retrospective, observational, single-center study, data were obtained for 49 adult recipients treated with extended-release Tac and 30 patients treated with standard-release Tac (control group). Mean (SD) follow-up in the 2 groups was 3.5 (2.5) months and 4.0 (2.6) months, respectively. The primary characteristics were comparable between the groups. The acute rejection rate in the extended-release group was 10%, and 13% in the standard-release group. Patient and graft survival rates were 98% and 96% vs 100% and 90%, respectively. Renal function in the 2 groups was comparable: serum creatinine concentration 1.3 (0.2) mg/dL vs 1.45 (0.4) mg/dL. At day 14 posttransplantation, Tac doses were 0.17 mg/kg/d vs 0.14 mg/kg/d, and blood concentrations were 9.0 ng/mL vs 14.0 ng/mL. In recipients older than 60 years, lower dosages of Tac resulted in blood concentrations similar to those in younger patients, with less variation in dosage. Short-term experience with extended-release Tac therapy in de novo renal recipients confirms its efficacy and safety. Adjusting blood concentrations in the immediate posttransplantation period is less difficult with extended-release Tac compared with the twice-daily formulation.
    No preview · Article · Oct 2010 · Transplantation Proceedings