Henry Xie

High Yield of Pharmacogenetic Testing for Clopidogrel Resistance in a Canadian Outpatient Stroke Population

BACKGROUND: Clopidogrel is commonly prescribed for secondary stroke prevention, but routine pharmacogenetic testing is not typically performed. As the CYP2C19 enzyme activates clopidogrel into its effective form, clopidogrel-treated patients who carry CYP2C19 loss-of-function all...