Dissociation between blood pressure reduction and fall in proteinuria in primary renal disease: a randomized double-blind trial

Journal of Hypertension
PROCOPA Study Group

Abstract

Guidelines recommend lower threshold and goal blood pressure (BP) for patients with proteinuria. BP reduction could be accompanied by a different fall in proteinuria depending of the antihypertensive drug. The objective was to compare proteinuria reduction when BP is lowered to the same level with different drugs. Prospective, randomized, double-blind, controlled trial. 12 Spanish centres. A total of 119 patients with primary renal disease, blood pressure > 130/85 mmHg, proteinuria > 1 g/day, and creatinine clearance > or = 50 ml/min. After a 4-week run-in placebo period, patients were randomized to: atenolol 50 mg/day; trandolapril 2 mg/day; verapamil 240 mg/day or verapamil 180 + trandolapril 2 mg/day combination; forced double-dose titration was carried out at the 4th week. Treatment duration was 6 months. Changes in BP, 24 h proteinuria, serum albumin and calcium. BP was significantly reduced with the four treatments [SBP/DBP (mmHg]: atenolol 12.2/9.9; trandolapril 12.9/9.3; verapamil 8.2/7.9 and verapamil + trandolapril 13.6/11.3) without differences between them. A significant fall in proteinuria was seen in the trandolapril, 40.2% [95% confidence interval (CI) 24.3-56.2%], and verapamil + trandolapril groups, 48.5% (95% ...Continue Reading

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Citations

Jul 8, 2003·Current Hypertension Reports·Luis M Ruilope
Sep 2, 2003·Current Hypertension Reports·Douglas A Nigbor, Julia B Lewis
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