abciximab [ Clotinab,ReoPro,CentoRx,Eli Lilly brand of abciximab,Lilly brand of abciximab,c7E3 Fab,chimeric 7E3 Fab ] a monoclonal antibody Fab fragment that blocks the platelet glycoprotein IIb/IIIa receptor & potently inhibits platelet aggregation; used in treatment of refractory unstable angina