Initial and Steady State Pharmacokinetics of Cilazapril in Congestive Cardiac Failure

Autor: Wiseman, M N, Elstob, J E, Francis, R J, Brown, A N, Rajaguru, S, Steiner, J, Dymond, D S
Zdroj: Journal of Pharmacy and Pharmacology; June 1991, Vol. 43 Issue: 6 p406-410, 5p
Abstrakt: Twenty one patients with NYHA class II—III congestive heart failure received single ascending doses of 0·5, 1·25 and 2·5 mg cilazapril daily followed by the minimum effective dose for six weeks. Fifteen patients completed the study, but the data from only 11 were sufficiently complete for kinetic evaluation. The pharmacokinetics of the metabolite, cilazaprilat, after a single dose of 0·5 mg cilazapril were similar to previous observations in healthy volunteers at identical dosage. Repeat administration, however, led to greater accumulation than previously observed in volunteers at the higher dosages of 1·25 or 5 mg given for 8 days. Seven patients experienced adverse events. Four were severe, leading to withdrawal of the patients from the study, but only one event was related to cilazapril. Of the other three, one suffered a myocardial infarction and subsequently died due to worsening congestive heart failure. One other patient was withdrawn with two adverse events probably related to cilazapril. No other deaths occurred amongst the study population, and there were no significant abnormalities in haematology or blood chemistry.
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