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ContextNo specifically designed studies have addressed the role of the glycoprotein IIb/IIIa inhibitor abciximab in patients with non–ST-segment elevation acute coronary syndromes (ACS) undergoing percutaneous coronary intervention (PCI) after pretreatment with 600 mg of clopidogrel.ObjectiveTo assess whether abciximab is associated with clinical benefit in high-risk patients with ACS undergoing PCI after pretreatment with 600 mg of clopidogrel.Design, Setting, and PatientsInternational, multicenter, randomized, double-blind, placebo-controlled study conducted from March 2003 through December 2005, enrolling 2022 patients (mean age, 66 years) with non–ST-segment elevation ACS undergoing PCI.InterventionsPatients were assigned to receive either abciximab (0.25 mg/kg of body weight bolus, followed by a 0.125-μg/kg per minute [maximum, 10 μg/min] infusion for 12 hours, plus heparin, 70 U/kg of …