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Article
November 1991

The Effect of Pravastatin on Plasma Lipoprotein and Apolipoprotein Levels in Primary Hypercholesterolemia

Author Affiliations

the Southeastern Michigan Collaborative Group

From Sinai Hospital (Drs Rubenfire, Maciejko, and Blevins) and Henry Ford Hospital and Specialty Centers (Drs Kobylak and Rosman), Detroit, Mich, and University of Michigan Medical Center, Ann Arbor (Dr Orringer).

Arch Intern Med. 1991;151(11):2234-2240. doi:10.1001/archinte.1991.00400110086018
Abstract

Pravastatin is a metabolic product of mevastatin and a potent inhibitor of 3-hydroxy-3-methylglutaryl-coenzyme A reductase. It was investigated for its cholesterol-lowering properties in a double-blind, placebo-controlled, multicenter study of 82 patients with primary hypercholesterolemia. Following a 6- to 8-week dietary lead-in period, patients were randomized to twice-daily placebo or active drug for 16 weeks. Patients receiving 10 mg of pravastatin twice a day for 8 weeks experienced mean total cholesterol and low-density lipoprotein cholesterol (LDL-C) level reductions of 20% (6.85 vs 5.48 mmol/L [265 vs 212 mg/dL]) and 28% (5.17 vs 3.75 mmol/L [200 vs 145 mg/dL]), respectively. At 20 mg twice a day for an additional 8 weeks, pravastatin reduced plasma total cholesterol, LDL-C, and apolipoprotein B-100 levels by 23% (6.85 vs 5.30 mmol/L [265 vs 205 mg/dL]), 31% (5.17 vs 3.59 mmol/L [200 vs 139 mg/dL]), and 23% (118 vs 91 mg/dL), respectively. Highdensity lipoprotein cholesterol (HDL-C), HDLb-C, HDL and apolipoprotein A-I plasma concentrations increased by 11%, 60%, 7%, and 10%. Plasma triglyceride concentrations decreased in both the pravastatin- and placebo-treated patients. Pravastatin was generally well tolerated and an effective agent for the treatment of primary hypercholesterolemia.

(Arch Intern Med. 1991;151:2234-2240)

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