The STREAM Percutaneous Coronary Intervention Anticoagulant Sub-study

"Enoxaparin 0.5 mg/kg IV bolus (Regardless of whether the investigator has chosen to initiate concomitant GP IIb/IIIa antagonist; provision for additional IV enoxaparin to be administered if elapsed time to PCI exceeds 2 hours (from original IV dose) - enoxaparin 0.25 mg/kg IV will be administered At the discretion of the treating physician, if sustained anticoagulation is required then enoxaparin subcutaneously will be administered - enoxaparin 1.0 mg/kg SQ q 12 hours.~Maintenance dose adjustment for renal insufficiency - creatinine clearance \< 30 ml/min, sc enoxaparin should be administered at 1.0 mg / kg / q24 hours. No adjustment of IV dose is required in case of renal insufficiency"

Unfractionated heparin 70 u/kg IV bolus (consistent with ASSENT 4 PCI) Baseline ACT will be draw at time of sheath insertion - With use of GP IIb/IIIa antagonist additional UFH will be administered to achieve an ACT of ≥200 - 250 seconds If IIb/IIIa is not utilized - additional UFH will be administered to achieve an ACT of ≥250-350 seconds At the discretion of the treating physician if sustained anticoagulation is required:UFH infusion 12/u/kg/hr IV infusion to commence