James is a 48 year old male who is recovering from a heart a…

James is a 48 year old male who is recovering from a heart attack (acute myocardial infarction) for which antiplatelet activity, routinely clopidagrel, is indicated.  His CYP2C19 genotype is *1/*1 (extensive metabolizer).  Which of the following adjustments should be made to his regimen?