Exclusion Criteria
Have cardiogenic shock at the time of randomization
boolean
Have refractory ventricular arrhythmias
boolean
Have New York Heart Association (NYHA) Class IV congestive heart failure
boolean
Have systolic blood pressure greater than 180 mm Hg, or diastolic blood pressure greater than 100 mm Hg on more than 1 assessment at any time from participant presentation of ACS treatment to enrollment
boolean
Have systolic blood pressure greater than 180 mm Hg, or diastolic blood pressure greater than 100 mm Hg on more than 1 assessment at any time from participant presentation of ACS treatment to enrollment
boolean
Have received fibrin-specific fibrinolytic therapy less than 24 hours prior to randomization
boolean
Have active internal bleeding or history of bleeding diathesis
boolean
Have clinical findings associated with an increased risk of bleeding
boolean
Prior history of ischemic or hemorrhagic stroke
boolean
Intracranial neoplasm
boolean
arteriovenous malformation
boolean
aneurysm
boolean
Prior history of transient ischemic attack (TIA)
boolean
Have an International Normalized Ratio (INR) known to be greater than 1.5 at the time of evaluation
boolean
Have a platelet count of less than 100,000 per cubic millimeter (mm^3) at the time of evaluation
boolean
Have anemia [hemoglobin (Hgb) less than 10 grams per deciliter (g/dL)] at the time of evaluation
boolean
Have received 1 or more doses of a thienopyridine or other adenosine diphosphate (ADP) receptor inhibitor within 10 days prior to screening
boolean
Have been administered glycoprotein IIb/IIIa (GPIIb/IIIa) inhibitor within the past 7 days or planned use of a GPIIb/IIIa inhibitor during PCI
boolean
Are receiving or will receive oral anticoagulation or other antiplatelet therapy, other than aspirin (ASA), which cannot be safely discontinued for the duration of the study.
boolean
Are receiving daily treatment with nonsteroidal anti-inflammatory drugs (NSAIDs) or cyclooxygenase-2 (COX2) inhibitors that cannot be discontinued during the study
boolean
Are women who are known to be pregnant
boolean
Breastfeeding
boolean
Have known severe hepatic dysfunction (that is, with cirrhosis or portal hypertension)
boolean
Have a history of intolerance or allergy to aspirin or approved thienopyridines (ticlopidine, clopidogrel or prasugrel)
boolean