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Moderate Renal Impairment Does Not Impact the Ability of CSL112 (Apolipoprotein A-I [Human]) to Enhance Cholesterol Efflux Capacity.

ABSTRACT: CSL112 (apolipoprotein A-I [human]) is a novel intravenous formulation of plasma-derived apolipoprotein A-I (apoA-I) that enhances cholesterol efflux capacity. Renal impairment is a common comorbidity in acute myocardial infarction patients and is associated with impaired lipid metabolism. The aim of this phase 1 study was to assess the impact of moderate renal impairment on the pharmacokinetic and pharmacodynamic profile of CSL112. Sixteen subjects with moderate renal impairment and 16 age-, sex-, and weight-matched subjects with normal renal function participated in the study. Within each renal function cohort, subjects were randomized 3:1 to receive a single intravenous infusion of CSL112 2 g (n = 6) or placebo (n = 2) or CSL112 6 g (n = 6) or placebo (n = 2). At baseline, subjects with moderate renal impairment versus normal renal function had higher total cholesterol efflux, ABCA1-dependent cholesterol efflux capacity, and pre-?1-high-density lipoprotein (HDL) levels. Infusing CSL112 resulted in similar, immediate, robust, dose-dependent elevations in apoA-I and cholesterol efflux capacity in both renal function cohorts and significantly greater elevations in pre-?1-HDL (P < .05) in moderate renal impairment. Lecithin-cholesterol acyltransferase activity, demonstrated by a time-dependent change in the ratio of unesterified to esterified cholesterol, did not differ by renal function. No meaningful changes in proatherogenic lipid levels were observed. Moderate renal impairment did not impact the ability of CSL112 to enhance cholesterol efflux capacity. CSL112 may represent a novel therapy to reduce the risk of early recurrent cardiovascular events following acute myocardial infarction in patients with or without moderate renal impairment.

PROVIDER: S-EPMC6587782 | BioStudies |

REPOSITORIES: biostudies

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