Table 1. Characteristics of randomised trials comparing early versus late Gp IIb–IIIa inhibitor administration in primary angioplasty.
Study | Period | Study design (no of patients) | Symptom duration, hours | Stent | Primary endpoints | Follow-up duration |
ReoPro-BRIDGING13 | 2003–4 | Early (n = 28) versus late (n = 27) abciximab* | <6 | Yes | Preprocedural TIMI 3 flow, cTFC and MACE | 1 year |
RELAx-AMI14 | 2003–4 | Early (n = 105) versus late (n = 105) abciximab* | <6 | Yes | Preprocedural TIMI 3 flow, ST resolution, myocardial salvage | 30 days |
Rakowski et al15 | 2004 | Early (n = 25) versus late (n = 30) abciximab* | <12 | Yes | Preprocedural TIMI 3 flow, ST resolution, LVF | 1 year |
ERAMI16 | 2001–2 | Early (n = 36) versus late (n = 38) abciximab)* | <12 | nr | Preprocedural TIMI flow | 1 year |
Zorman et al17 | 1998–2001 | Early (n = 56) versus late (n = 56) abciximab* | <12 | Yes | Early (60 minutes) ST-segment resolution, preprocedural 3 TIMI flow | 6 months |
REOMOBILE18 | 2001–2 | Early (n = 52) versus late (n = 48) abciximab* | <6 | Yes | Preprocedural TIMI flow | 1 year |
Cutlip et al19 | 2001–2 | Early (n = 28) versus late or no (n = 30) tirofiban† | <12 | Yes | Preprocedural TIMI flow | 30 days |
On-TIME20 | 2001–2 | Early (n = 251) versus late (n = 256) tirofiban† | <6 | Yes | Preprocedural TIMI flow | 1 year |
Emre et al21 | 2002–3 | Early (n = 32) versus late (n = 34) tirofiban† | <6 | Yes | Myocardial perfusion and functional recovery at 30 days | 30 days |
INTAMI22 | 2002–4 | Early (n = 53) versus late or no (n = 49) eptifibatide‡ | <12 | Yes | Preprocedural TIMI 3 flow | 1 year |
TITAN-TIMI 3423 | 2004–5 | Early (n = 180) versus late or no (n = 163) eptifibatide‡ | <6 | Yes | Preprocedural TIMI frame count | 30 days |
*0.25 mg/kg intravenous bolus, followed by 0.125 μg/kg per minute infusion (12 h).
†10 μg/kg intravenous bolus followed by 0.15 μg/kg per minute infusion (24 h).
‡180 μg/kg intravenous double bolus followed by 2.0 μg/kg per minute infusion (12–24 h).
cTFC, corrected TIMI frame count; Gp, glycoprotein; LVF, left ventricular function; MACE, major adverse cardiac events; nr, not reported; TIMI 3, Thrombolysis in Myocardial Infarction Study grade 3 flow.