Effect of CYP2C19 genotype on control of gastric acidity with rabeprazole and esomeprazole after single and repeated oral administration

  • William P. Geus
  • , Nicole G. Hunfeld
  • , Daan J. Touw
  • , Jesse T. Sarneel
  • , Paul G. Mulder

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Introduction: Esomeprazole (eso) and rabeprazole (rabe) are metabolized in the liver. Genetic polymorphism of the cytochrome P-450 enzyme CYP2C19 determines fast (homozygous extensive metabolizers, wt/wt), intermediate (heterozygous extensive metabolizers, wt/∗2 or wt/∗3) and slow (poor metabolizers, ∗2/∗2, ∗3/∗3 or ∗2/∗3) or rapid (wt/∗17 or ∗17/∗17) metabolism of proton pump inhibitors (PPIs). In the Caucasian population 60% has the wt/ wt genotype, 30-40% is wt/∗2 and 2-5% ∗2/∗2. Aim: To investigate the impact of CYP2C19 genotype on control of gastric acidity (median pH and % of time pH
Original languageEnglish
Pages (from-to)496
Number of pages1
JournalGastroenterology
Volume136
Issue number5
DOIs
Publication statusPublished - 1-May-2009

Keywords

  • esomeprazole
  • rabeprazole
  • cytochrome P450
  • enzyme
  • genomic DNA
  • acid
  • proton pump inhibitor
  • DNA
  • oral drug administration
  • genotype
  • stomach pH
  • gastrointestinal disease
  • pH
  • Caucasian
  • genetic polymorphism
  • metabolism
  • population
  • pylorus
  • normal human
  • analysis of variance
  • crossover procedure
  • gastric pH monitoring
  • model
  • male
  • stomach acid
  • liver

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