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  • Title: An open, randomized, multicenter clinical trial of oral tacrolimus in liver allograft transplantation: a comparison of dual vs. triple drug therapy.
    Author: González MG, Madrazo CP, Rodríguez AB, Gutiérrez MG, Herrero JI, Pallardó JM, Ortiz de Urbina J, Paricio PP.
    Journal: Liver Transpl; 2005 May; 11(5):515-24. PubMed ID: 15838889.
    Abstract:
    Triple therapy combining an anticalcineurin agent, corticosteroids, and azathioprine (AZA) in liver transplantation has been frequently applied, particularly in Europe. Debates have arisen concerning the use of a third drug (AZA), mainly in patients receiving tacrolimus (TAC). An open-label, multicenter, prospective, and randomized trial was performed to assess the efficacy and safety of TAC and corticosteroids (dual therapy [D]) vs. TAC, corticosteroids, and AZA (triple therapy [T]) in liver transplantation. A total of 180 patients were randomized, 92 in D and 88 in T group. Patients were followed during 3 months for efficacy and safety and up to 24 months for patient and graft survival assessments. The rate of biopsy-proven acute rejection was higher in D than in T group (40.7% vs. 24.4%; P = 0.021). A higher incidence of positive HCV status in D group (55.6% vs. 40.7%; P = 0.049) may explain this difference, since significantly more patients of this HCV subpopulation experienced acute rejection when treated with D therapy (48% vs. 20%; P = 0.008). No treatment differences were apparent for HCV-negative patients. The 24-month graft survival tended to be inferior in T group, 69.8% vs. 75.8% (P = 0.283). Similar results were observed regarding patient survival at the same time point, with values of 72.9% vs. 76.9% (P = 0.573), favoring D group. Both regimens showed comparable safety profiles with the exception of hematological abnormalities, which were more frequently observed in T group. In conclusion, both regimens were shown to be effective although increased toxicity and a trend towards a lower graft and patient survival were observed in T group.
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