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Determinants of Warfarin Metabolism

Determinants of Warfarin Metabolism

Recruiting
20-50 years
All
Phase N/A
  • Technical (Original)
  • Simplified (AI rewritten)

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Overview

The anticoagulant effect of warfarin varies greatly among individuals. Some of this variability is attributed to differences in the activity of CYP2C9, the predominant enzyme involved in the metabolism of S-warfarin.

The present study is designed to define the differences in warfarin metabolism among healthy individuals carrying different CYP2C9 genotypes. In addition, the study will define the correlation between the phenytoin metabolic ratio, a marker of CYP2C9 activity in vivo, and warfarin metabolism.

Eligibility

Inclusion Criteria:

  • Age range of 20-50 years old
  • The absence of significant disease states

Exclusion Criteria:

  • Known hypersensitivity to warfarin or phenytoin
  • Known hepersensitivity to penicillins or cephalosporins (Dicloxacillin part)
  • The presence of significant disease states
  • Regular use of drugs (including birth control pills)

Study details
    Healthy

NCT00162474

Hadassah Medical Organization

13 May 2026

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