Atrial Fibrillation Clinical Trial
Official title:
Association Between Risk Scores for Genetic Variants and Percentage of Time in Therapeutic Range for Participants With Atrial Fibrillation, Deep Vein Thrombosis, and/or Intracardiac Thrombosis Taking Warfarin
Study objective is to determine whether there is an association between genetic variant risk scores and clinical outcomes (percent time in therapeutic range, time to reach therapeutic international normalized ratio (INR), INR ≥ 4, bleeding event, ischemic stroke, death) in participants taking warfarin for atrial fibrillation, deep vein thrombosis (DVT), pulmonary embolism (PE), and/or intracardiac thrombosis.
It is anticipated that next generation genomic sequencing will identify rare genetic variants in ethnically diverse populations, which otherwise would not have been detected using commercially available warfarin tests. Furthermore, retrospective review of clinical outcomes (percent time in therapeutic range, time to reach therapeutic international normalized ratio (INR), INR ≥ 4, major bleeding event, ischemic stroke) of study participants will determine the clinical utility of genetic variant risk scores. Study outcomes will provide guidance on future directions for optimizing dosing algorithms for warfarin that combine pharmacogenetic principles with clinical dosing. ;
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