TRA @ P-TIMI @ ( Trial to Assess the Effects of Vorapaxar in Preventing Heart Attack and Stroke in Patients With Atherosclerosis-Thrombolysis In Myocardial Infarction @ ) was a multinational , randomized , double-blind , placebo-controlled trial of vorapaxar in stable patients with prior myocardial infarction , peripheral arterial disease , or stroke .