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  • Title: Calcium channel blocker nisoldipine limits ischemic damage in rat kidney.
    Author: Hertle L, Garthoff B.
    Journal: J Urol; 1985 Dec; 134(6):1251-4. PubMed ID: 4057426.
    Abstract:
    The effects of the calcium channel blocker nisoldipine on renal function after 60 min. normothermic ischemia and contralateral nephrectomy were studied in male Wistar rats. Nisoldipine (300 ppm) was given in a standard diet as well as one hour prior to ischemia (10 mg./kg. orally). Survival, serum urea, serum creatinine, urine volume and creatinine clearance were used to test the effectiveness of the drug. Nisoldipine treatment resulted in the survival of all animals (compared to 66.6 per cent in the untreated group) and improved immediate and long term (14 days) renal function. The drug given post ischemia only was not effective, suggesting that nisoldipine must be present in the kidney during ischemia. The beneficial effects of the drug in postischemic acute renal failure may be attributed in part to effects on postischemic renal hemodynamics. Additional direct effects on ischemic renal epithelial cells, presumably by inhibiting transmembrane calcium fluxes, cannot be excluded.
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