International warfarin genotype-guided dosing algorithms in the Turkish population and their preventive effects on major and life-threatening hemorrhagic events

Sefayet Karaca, Nujen Colak Bozkurt, Tomris Cesuroglu, Mehmet Karaca, Mehmet Bozkurt, Erdal Eskioglu, Renato Polimanti

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    AIM: To determine the accuracy of international warfarin pharmacogenetic algorithms developed on large multiethnic cohorts (comprising more than 1000 subjects) to predict therapeutic warfarin doses in Turkish patients.

    MATERIALS & METHODS: We investigated two Turkish warfarin-treated cohorts: patients with no history of hemorrhagic or thromboembolic event and patients with major and life-threatening hemorrhagic events.

    RESULTS: International pharmacogenetic algorithms showed good performances in predicting the therapeutic dose of patients with no history of bleedings, but they did not significantly detect the incorrect warfarin dose of patients with major and life-threatening hemorrhagic events.

    CONCLUSION: Although genetic information can predict the therapeutic warfarin dose, the accuracy of the international pharmacogenetic algorithms is not sufficient to be used for warfarin screening in Turkish patients.

    Original languageEnglish
    Pages (from-to)1109-18
    Number of pages10
    JournalPharmacogenomics
    Volume16
    Issue number10
    DOIs
    Publication statusPublished - 2015

    Keywords

    • Aged
    • Algorithms
    • Anticoagulants/administration & dosage
    • Drug Dosage Calculations
    • Female
    • Genotype
    • Hemorrhagic Disorders/genetics
    • Humans
    • International Normalized Ratio/methods
    • Male
    • Middle Aged
    • Pharmacogenetics/methods
    • Thromboembolism/drug therapy
    • Turkey
    • Warfarin/administration & dosage

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