Tacrolimus overexposure in kidney transplant recipients during the first post-operative week: caution is required in older patients - Université de Rennes Access content directly
Journal Articles Fundamental & Clinical Pharmacology Year : 2019

Tacrolimus overexposure in kidney transplant recipients during the first post-operative week: caution is required in older patients

Abstract

In liver transplantation, tacrolimus trough concentrations (Cmin) above 20 ng/mL during the first days led to worse outcome at 1 year but data in the kidney transplant (KT) era are scarce. The aim of this study was to evaluate the impact of tacrolimus overexposure during the first week post-transplantation on the kidney function (KF) of KT recipients. In this retrospective study, 105 KT recipients were attributed to overexposure group (OG) or normal group according to their Cmin during the first week of treatment. KF was evaluated by comparing the rate of Delayed Graft Function (DGF) and by collecting plasma creatinine from day-1, 2, 3, 4, 5, 6, 7, 14, 21, 28 and at 1 year. Risk factors for developing DGF were also investigated using a multivariate model. DGF was more frequent in OG (43% of patients) (p=0.027) which has higher plasma creatinine on day-7, -14 and 21. OG patients were older with more extended criteria donor's grafts. In the multivariate analysis, only cold ischemia time (CIT) remained associated with DGF (OR = 1.003), while TAC overexposure did not reach significance (p = 0.06; OR = 3.9). In this study, we confirmed the predominant role of CIT as a risk factor for the onset of DGF in kidney transplantation. 43% of KT recipients were overexposed with more DGF, especially older patients.
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Dates and versions

hal-01936321 , version 1 (25-01-2019)

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Florian Lemaitre, Nolwen Lorcy, Camille Tron, Léonard Golbin, Antoine Petitcollin, et al.. Tacrolimus overexposure in kidney transplant recipients during the first post-operative week: caution is required in older patients. Fundamental & Clinical Pharmacology, 2019, 33 (3), pp.347-354. ⟨10.1111/fcp.12432⟩. ⟨hal-01936321⟩
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