Abstract
1. Perindopril, a new ACE inhibitor, is a prodrug requiring conversion into its active form perindoprilat by hydrolysis in the liver. 2. The pharmacodynamics and pharmacokinetics of perindopril (8 mg oral) and perindoprilat (2 mg intravenously) were studied in a double-blind randomised crossover study in a group of patients with compensated biopsy-proven hepatic cirrhosis. 3. Blood pressure and heart rate responses were similar after the two routes of administration as were plasma renin activity and aldosterone levels following dosing. 4. The AUC of perindoprilat after oral administration of perindopril represented 46 +/- 4% of the total AUC of perindopril and its metabolite when expressed in molar terms. Comparison with the AUC of perindoprilat after its intravenous administration suggested that 30 +/- 6% of the oral dose of perindopril was converted to its active metabolite. 5. The findings are comparable with those in healthy subjects. It appears that the presence of relatively mild hepatic cirrhosis does not significantly alter the pharmacokinetics of perindopril.
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