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  • Title: Protective effects of endothelin antagonists in chronic renal failure.
    Author: Wolf SC, Brehm BR, Gaschler F, Brehm S, Klaussner M, Smykowski J, Amann K, Osswald H, Erley CM, Risler T.
    Journal: Nephrol Dial Transplant; 1999; 14 Suppl 4():29-30. PubMed ID: 10463205.
    Abstract:
    The present study suggests that ET-1 is involved in the pathogenesis of uraemic cardiac hypertrophy and in the progression of renal failure in rats with subtotal nephrectomy examined after an intermediate period of 12 weeks of renal failure. Furthermore, proteinuria is reduced by the selective ETA receptor antagonist more than by the unselective ETAB receptor antagonist, without reducing the blood pressure. ET receptor blockade might preserve renal function by reduction of protein excretion. In addition, ET receptor antagonists influence the aldosterone system. In our animal studies, the medication was well tolerated. Our study results provide a possible therapeutic approach using ET receptor antagonists for cardiac hypertrophy and renal protein excretion by blockade of endogenous ET-1. Further human studies are needed to show whether this protection of the heart and kidney might influence the survival and life expectancy of patients suffering from chronic renal failure, of patients on dialysis or after kidney transplantation.
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