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J Hum Hypertens. 1992 Jun;6(3):175-9.

ACE inhibition improves insulin-sensitivity in aged insulin-resistant hypertensive patients.

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Department of Geriatric Medicine and Metabolic Diseases, 1st Medical School, University of Naples, Italy.


We have compared the cardiovascular and metabolic responses to five different ACE inhibitors in 86 patients matched for age, body mass index, blood pressure, fasting plasma glucose and insulin levels in a placebo-controlled, double-blind, crossover, randomised trial. In the active drug treatment phase the patients were randomly assigned to one of five ACE inhibitors: captopril (75 mg/day; n = 16); enalapril (20 mg/day; n = 14); quinapril (20 mg/day; n = 17); ramipril (5 mg/day; n = 21) and lisinopril (20 mg/day; n = 18). Placebo and ACE inhibition phases lasted two weeks and were separated by a one week wash-out period. At the end of each treatment period blood pressure and heart rate were recorded and a fasting sample intravenous glucose tolerance test was conducted. Our study demonstrated that ACE inhibition significantly reduces blood pressure and improves insulin sensitivity. All the ACE inhibitors studied had similar cardiovascular responses but lisinopril displayed the larger metabolic response.

[Indexed for MEDLINE]

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