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Clin Pharmacol Ther. 1986 May;39(5):554-8.

Single and repeated dosing of the converting enzyme inhibitor perindopril to normal subjects.


The new orally active angiotensin converting enzyme (ACE) inhibitor perindopril (S9490-3) was evaluated in 18 normotensive men. In three subjects the pressor response to exogenous angiotensin I was tested. A 8 mg oral dose reduced the pressor response by greater than 80%. Single oral perindopril doses of 2, 4, 8, and 16 mg were given to groups of five subjects each. Eight and 16 mg decreased plasma ACE activity within 4 hours to less than 10% of control; 72 hours later, plasma ACE activity was still reduced by at least 40%. Doses of 4 and 8 mg po once a day were then given for 8 days to two groups of six subjects. Four hours after the first and the last morning doses, plasma angiotensin II, aldosterone, and plasma ACE activity fell significantly, whereas blood angiotensin I and plasma renin activity rose. There was no evidence of drug accumulation. No significant change in blood pressure or heart rate was observed. Thus in normotensive subjects, perindopril seems an effective, orally active, long-lasting ACE inhibitor.

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