Diabetes Care, Vol 20, Issue 8 1290-1292, Copyright © 1997 by American Diabetes Association

ARTICLES

Evaluation of the efficacy and tolerability of nitrendipine in reducing both pressure and left ventricular mass in hypertensive type 2 diabetic patients

R Scognamiglio, R Nosadini, M Marin, S Nisti, G Fasoli, M Palisi, F Frigato, F Virgili, A Carraro and G Crepaldi
Division of Cardiology, Padua University Medical School, Italy.

OBJECTIVE: To evaluate the efficacy and tolerability of nitrendipine in comparison with captopril in hypertensive diabetic patients with left ventricular hypertrophy (LVH). RESEARCH DESIGN AND METHODS: A total of 75 patients enrolled in this study presented stable type 2 diabetes (not treated with insulin) and mild-to-moderate hypertension with a left ventricular mass > or = 75 g/m2 by two-dimensional echocardiography. After a 4-week washout period, 38 patients were assigned to treatment with captopril, and 37 patients to nitrendipine (random allocation). The duration of follow-up was 36 weeks. RESULTS: Patients of both groups were similar with regard to the duration of diabetes and hypertension, systolic and diastolic blood pressure at rest, degree of LVH, metabolic control, and albumin excretion rate (AER). Both drugs were equally effective in reducing systolic and diastolic blood pressure (captopril: from 165 +/- 13/100 +/- 4 to 147 +/- 11/87 +/- 4 mmHg; nitrendipine: from 167 +/- 17/100 +/- 5 to 143 +/- 9/86 +/- 4 mmHg; P < 0.05) and in reversing LVH (nitrendipine: from 87 +/- 2 to 81 +/- 1 g/m2; captopril: from 89 +/- 2 to 85 +/- 2 g/m2; P = 0.0001). Neither the left ventricular end-diastolic volume index nor the left ventricular ejection fraction changed significantly during the treatment period. CONCLUSION: Nitrendipine is as effective as captopril in reducing both systolic and diastolic blood pressure and in reversing LVH. Neither drug showed any negative side effects on fasting plasma glucose and glycated hemoglobin (HbA1c) levels, and both maintain constant AERs.
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