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  • Title: Two-dose daclizumab regimen in simultaneous kidney-pancreas transplant recipients: primary endpoint analysis of a multicenter, randomized study.
    Author: Stratta RJ, Alloway RR, Lo A, Hodge E.
    Journal: Transplantation; 2003 Apr 27; 75(8):1260-6. PubMed ID: 12717213.
    Abstract:
    BACKGROUND: Controversy exists about the optimal immunosuppressive regimen in simultaneous kidney-pancreas transplant (SKPT) recipients. This study determined the safety and efficacy of two dosing regimens of daclizumab compared with no antibody induction in SKPT recipients receiving tacrolimus, mycophenolate mofetil, and steroids. METHODS: A total of 297 SKPT patients were enrolled in this prospective, multicenter, randomized, open-label study. The patients were randomized into three groups: daclizumab 1 mg/kg per dose every 14 days for five doses (group I, n=107), daclizumab 2 mg/kg per dose every 14 days for two doses (group II, n=112), and no antibody induction (group III, n=78). All patients received tacrolimus, mycophenolate mofetil, and steroids as maintenance immunosuppression. RESULTS: Demographic and transplant characteristics were similar among the groups. At 6 months, there were no differences in patient, kidney, and pancreas graft survival rates among the three groups. The probability of either kidney or pancreas allograft rejection at 6 months was 21%, 17%, and 32% in groups I, II, and III, respectively (P=0.042). The median time to first acute rejection of either the kidney or pancreas was 23 days in group I, 44 days in group II, and 20 days in group III (group I vs. II, P=0.078; group II vs. III, P=0.016). At 6 months, the actuarial event-free survival (no acute rejection, allograft loss, or death) rates were 66%, 77%, and 56% in groups I, II, and III, respectively (group I vs. III, P=0.119; group II vs. III, P=0.002). There were no differences in the incidence of serious adverse events including infectious complications among the groups. All three groups demonstrate excellent kidney and pancreas function at 6 months. CONCLUSIONS: Daclizumab is safe and effective in reducing the incidence of acute rejection in SKPT recipients compared with no antibody induction. Moreover, the two-dose regimen of daclizumab (2 mg/kg on days 0 and 14) compares favorably with the standard five-dose regimen.
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