Added value of pharmacogenetic testing in predicting statin response: results from the REGRESS trial

F.H. van der Baan, M.J. Knol, A.H. Maitland-van der Zee, J.J. Regieli, E.P. van Iperen, A.C.G. Egberts, O.H. Klungel, D.E. Grobbee, J.W. Jukema

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

It was investigated whether pharmacogenetic factors, both as single polymorphism and as gene-gene interactions, have an added value over non-genetic factors in predicting statin response. Five common polymorphisms were selected in apolipoprotein E, angiotensin-converting enzyme, hepatic lipase and toll-like receptor 4. Linear regression models were built and compared on R(2) to estimate the added value of single polymorphisms and gene-gene interactions. The selected polymorphisms and the gene-gene interactions had a small added value in predicting change in low-density lipoprotein cholesterol levels (LDL-c) as response to statins over the non-genetic predictors (P=0.104), and also in predicting LDL-c in non-treated patients (P=0.016). Moreover, four gene-gene interactions with statin therapy were identified. The added value of genetic factors over non-genetic variables is for the greater part produced by gene-gene interactions. This underlines the importance to examine gene-gene interactions in future (pharmaco)genetic research.
Original languageEnglish
Pages (from-to)318-24
Number of pages7
JournalThe Pharmacogenomics Journal
Volume13
Issue number4
DOIs
Publication statusPublished - Aug 2013

Keywords

  • Amino Acids
  • Apolipoproteins E
  • Biomarkers, Pharmacological
  • Cholesterol, LDL
  • Epistasis, Genetic
  • Genotype
  • Humans
  • Linear Models
  • Lipase
  • Peptidyl-Dipeptidase A
  • Predictive Value of Tests
  • Toll-Like Receptor 4
  • Clinical Trial
  • Journal Article
  • Research Support, Non-U.S. Gov't

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