Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.4/197
Título: Early sirolimus use with cyclosporine elimination does not induce progressive proteinuria
Autor: Ruiz, JC
Campistol, JM
Sanchez-Fructuoso, A
Mota, A
Ginyo, JM
Paul, L
Castro-Henriques, A
Palavras-chave: Ciclosporina
Imunossupressores
Sirolimus
Transplantação de Rim
Data: 2007
Editora: Elsevier
Citação: Transplant Proc. 2007 Sep;39(7):2151-2
Resumo: Proteinuria has been reported in several papers after conversion from calcineurin inhibitors to Sirolimus (SRL), but this complication has not been analyzed in randomized clinical trials using de novo SRL. It is not known whether de novo use of SRL is a risk factor for proteinuria. We analyzed a series of patients included in a big multicenter randomized trial (RMR trial) corresponding to all patients in Spain and Portugal with respect to this issue. We retrospectively evaluated 24-hour proteinuria in all the patients during the study period (5 years postransplant) for comparison between treatment arms group A, continuous cyclosporine (CyA) + SRL and group B SRL with CyA elimination at 3 months postransplant. The elimination of CyA after the third month was not followed by significant changes in proteinuria. Nevertheless, during the last year of follow-up (between 48 and 60 months postransplant) an impressive increase in proteinuria was observed in group A. This surprising finding seemed to be a consequence of a protocol amendment that recommended CyA elimination in patients of group A, due to poorer results in the intermediate analysis of the trial. This fact suggests that the hemodynamic changes induced by elimination of the vasoconstrictor CyA might be responsible for the proteinuria but only in the long term probably when significant pathological lesions are already present. This finding argues for earlier conversion.
URI: http://hdl.handle.net/10400.4/197
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