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Publication Detail
Using a Systems Pharmacology Approach to Study the Effect of Statins on the Early Stage of Atherosclerosis in Humans
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Article
  • Authors:
    Pichardo-Almarza CD, Metcalf L, Finkelstein A, Diaz-Zuccarini V
  • Publication date:
    2014
  • Journal:
    CPT: Pharmacometrics and Systems Pharmacology
  • Status:
    Accepted
  • Print ISSN:
    2163-8306
  • Language:
    English
  • EISSN:
    2163-8306
  • Keywords:
    statins, atherosclerosis, system model, systems pharmacology
Abstract
More than 100,000 people have participated in controlled trials of statins (lowering cholesterol drugs) since the introduction of lovastatin in the 80s. Meta-analyses of this data have shown that statins have a beneficial effect on treated groups compared to control groups, reducing cardiovascular risk. Inhibiting the HMG-CoA reductase in the liver, statins can reduce cholesterol levels, thus reducing LDL levels in circulation. Published data from intravascular ultrasound studies (IVUS) was used in this work to develop and validate a unique integrative system model; this consisted on analysing control groups from two randomised controlled statins trials (24/97 subjects respectively), one treated group (40 subjects, simvastatin trial) and 27 male subjects (simvastatin, pharmacokinetic study). The model allows to simulate the pharmacokinetics of statins and its effect on the dynamics of lipoproteins (e.g. LDL) and the inflammatory pathway whilst simultaneously exploring the effect of flow-related variables (e.g. wall shear stress) on atherosclerosis progression.
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