Table 1.
Pharmacological and clinical information for glycoprotein IIb/IIIa inhibitors.
Eptifibatide | Tirofiban | Abciximab | |
---|---|---|---|
Route | IV/IA | IV/IA | IV/IA |
Loading/bolus dose | 180–200 µg/kg (IA/IV) (to repeat after 10 min) 9 , 12 , 59 | 0.4 µg/kg/min over 30 min (IV/IA) 60 , 61 or (low dose scheme) 0.25–0.5 mg in 1 ml/min (IA) 38 | 0.25 mg/kg (IA, IV) 35 , 44 , 45 , 54 |
Maintenance dose | 0.5–2 µg/kg/min (IV) 37 , 45 | 0.10 µg/kg/min 45 , 60 , 61 | 0.125 µg/kg/min (IV) 44 , 45 |
Binding affinity (KD) | + (120 nmol/l) 62 | ++ (15 nmol/l) 62 | ++++ (5 nmol/l) 62 |
≥80% platelet inhibition after IV bolus | 15 min 8 | 10 min 63 | 10 min 63 |
Restoration to normal platelet activity | 4 h 64 | 3–4 h 64 | 48–72 h 64 |
Dose adjustment in CKD | Yes 65 | Yes 65 | No 65 |
Precautions: - Elective major surgery (to hold) |
2–4 h 3 | 2–4 h 3 | 12 h 66 |
Thrombocytopenic event rate | + 67 | + 67 | ++++ 67 |
Tips to prevent bleeding complications: | - single wall arterial entry | -single wall arterial entry | -single wall arterial entry |
- early sheath removal (ACT <150 to 180) 36 | -early sheath removal (ACT <150 to 180) 36 | -early sheath removal (ACT <150 to 180) 36 | |
Bridging to dual oral antiplatelets: - time to wait before measuring baseline ARU and PRU values (VerifyNow assay) |
48 h 68 | 48 h 68 | 14 days 68 |
These are common dosing regimens described in the literature, please use local guidelines and clinical expertise to guide practice.
IA: intra-arterial; IV: intra-venous; ACT: activated clotting time; CKD: chronic kidney disease; ARU: aspirin resistance unit; PRU: P2Y12 reaction units.