The AmpliChip CYP450 Test: Principles, Challenges, and Future Clinical Utility in Digestive Disease

Brian D. Juran, Laurence J. Egan, Konstantinos N. Lazaridis

Research output: Contribution to journalArticle

15 Scopus citations

Abstract

Understanding genetically encoded inherited differences in drug metabolism and targets (ie, receptors, transporters) offers the promise of minimizing adverse drug reactions and improving therapies. Among the enzymes involved in drug metabolism, the cytochromes P450 (CYP450) hold a central position. In fact, CYP450 are involved in the biotransformation of most drugs used in clinical practice. Recent advances in the development of DNA-based diagnostics, coupled with a better understanding of genetic polymorphisms in influencing pharmacologic responses, have provided the foundation for novel in vitro tests that may predict side effects and/or therapeutic responses. The AmpliChip CYP450 test was developed as a clinical test to evaluate an individual's metabolic capacity for certain drugs by identifying polymorphisms of 2 CYP450 enzymes (ie, CYP2D6 and CYP2D19). Even though the AmpliChip CYP450 has been approved by the US Food and Drug Administration, its practical clinical utility has not yet been determined, and there is a paucity of data related to gastrointestinal and liver diseases. An understanding of the principles and opportunities provided by this new category of diagnostic test is key before planning the necessary studies to evaluate the usefulness of AmpliChip CYP450 in gastroenterologic clinical practice.

Original languageEnglish (US)
Pages (from-to)822-830
Number of pages9
JournalClinical Gastroenterology and Hepatology
Volume4
Issue number7
DOIs
StatePublished - Jul 1 2006

ASJC Scopus subject areas

  • Hepatology
  • Gastroenterology

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