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Time-dependent lipid response on fluvastatin therapy of patients with hypercholesterolemia sensitive to apoE

Alexander D Dergunov1, Natalya V Perova, Sophie Visvikis

  • 1National Research Centre for Preventive Medicine, 10, Petroverigsky Street, 101953 Moscow, Russia. dergunov@img.ras.ru

Vascular Pharmacology
|July 21, 2004
PubMed

Insights

Fluvastatin effectively lowered cholesterol and increased HDL-C in hypercholesterolemia patients, regardless of apolipoprotein E phenotype. Initial lipid levels influenced treatment response, with specific interactions observed in the apoE2+ group.

Area of Science:

  • Biochemistry
  • Pharmacology
  • Genetics

Background:

  • Hypercholesterolemia is a major risk factor for cardiovascular disease.
  • Apolipoprotein E (apoE) phenotype influences lipid metabolism and response to lipid-lowering therapies.
  • Fluvastatin is a statin used to manage high cholesterol levels.

Purpose of the Study:

  • To investigate the effect of fluvastatin on lipid profiles in hypercholesterolemia patients with different apoE phenotypes.
  • To determine if apoE phenotype influences the efficacy of fluvastatin treatment.
  • To explore the relationship between baseline lipid levels and treatment response across different apoE phenotypes.

Main Methods:

  • Sixty-seven male patients with hypercholesterolemia were categorized into three apoE phenotype groups (E3, E2+, E4+).
  • Patients received daily fluvastatin (20-40 mg) for 12 weeks, with lipid levels measured at intervals.
  • Lipid percentage changes were analyzed in relation to apoE phenotype and baseline lipid values.

Main Results:

  • Fluvastatin treatment resulted in a 14% decrease in cholesterol and a 14-16% increase in HDL-C across all phenotype groups.
  • Lipid percentage changes were not significantly associated with apoE phenotype.
  • Baseline lipid levels positively correlated with changes in triglycerides, cholesterol, and LDL-C, and negatively with HDL-C changes.

Conclusions:

  • Fluvastatin demonstrates consistent efficacy in improving lipid profiles irrespective of apoE phenotype.
  • Baseline lipid levels play a role in modulating fluvastatin's lipid-lowering effects.
  • Specific interactions between baseline lipids and treatment response were noted in the apoE2+ group, potentially related to lipase activity and receptor competition.

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