Metabolic effects of converting enzyme inhibitors: Focus on the reduction of cholesterol and lipoprotein(a) by fosinopril

William A Schlueter, Taha Keilani, Daniel Batlle*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

24 Scopus citations


It is generally believed that the use of angiotensin-converting enzyme (ACE) inhibitors has no effect on the lipid profile. Our recent data show that in patients with proteinuric renal disease, serum levels of total cholesterol and lipoprotein(a) [Lp(a)] may be lowered during treatment with an ACE inhibitor, fosinopril sodium. During a 12-week randomized, placebo-controlled, double-blind study involving 26 patients with mild-to-moderate renal impairment, fosinopril administration was associated with significant decreases in both urinary protein excretion and serum total cholesterol levels, whereas placebo was not. During a 6-week washout phase, both parameters returned to baseline in fosinopril-treated patients and remained unchanged in placebo recipients. In addition, fosinopril-treated patients had a decrease in plasma levels of Lp(a), whereas this was not seen in placebo-treated patients. When data from a subset of 13 patients with proteinuric renal disease and hypertension were examined, a significant decrease in serum total cholesterol levels was observed; this decrease reversed after discontinuation of fosinopril. Analysis of the effect of fosinopril on plasma Lp(a) levels in a subset of patients who had type II diabetes mellitus and overt proteinuria revealed a significant decrease in plasma Lp(a) after administration of fosinopril. Moreover, fosinopril lowered plasma Lp(a) levels in blacks, whose pretreatment levels were higher than those of whites with comparable degrees of proteinuria and levels of serum total cholesterol. Thus, the reduction in serum Lp(a) levels may be related not only to amelioration of proteinuria, but also to another direct action of fosinopril on the metabolism of Lp(a).

Original languageEnglish (US)
JournalThe American Journal of Cardiology
Issue number20
StatePublished - Dec 30 1993

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine


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