Long-term enalapril therapy in patients with chronic renal failure on a low-protein diet. A prospective randomized comparison with metoprolol

Nephron
T ShiigaiA Owada

Abstract

The effect of enalapril (5-10 mg/day) on the progression of chronic renal failure (CRF) was compared with that of metoprolol (40-120 mg/day) in 28 patients for 24 months in a prospective study. Throughout the study, there was no significant difference between the 2 groups in protein intake and urinary sodium excretion. But there was a significant difference between the 2 groups in diastolic and mean arterial blood pressure at 6 months. In the serum creatinine level, there was a significant difference between the 2 groups at 6, 12, 18, and 24 months. In creatinine clearance, there was a significant difference between the 2 groups at 24 months. In addition, the progression of CRF was significantly faster in the metoprolol group than the enalapril group as estimated from the slope of creatinine clearance (p < 0.05) and the slope of glomerular filtration rate (p < 0.0005). In urinary protein excretion, there was a significant difference between the 2 groups at 6 and 18 months (p < 0.05). These findings indicate that enalapril has a suppressive effect on the progression of CRF and also has an antiproteinuric effect by a mechanism independent of its antihypertensive effect.

Citations

Oct 16, 2002·Current Cardiology Reports·Ehud Grossman, Franz H Messerli

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