One-year outcomes with abciximab and unfractionated heparin versus bivalirudin during percutaneous coronary interventions in patients with non-ST-segment elevation myocardial infarction: Updated results from the ISAR-REACT 4 trial

Stefanie Schulz, Adnan Kastrati, Miroslaw Ferenc, Steffen Massberg, Kathrin A. Birkmeier, Karl Ludwig Laugwitz, Sebastian Kufner, Michael Gick, Michael Dommasch, Helmut Schühlen, Albert Schömig, Peter B. Berger, Julinda Mehilli, Franz Josef Neumann

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Aims: Thirty-day results of the double-blind, randomised Intracoronary Stenting and Antithrombotic Regimen - Rapid Early Action for Coronary Treatment (ISAR-REACT) 4 trial showed no difference in ischaemic complications and a reduction in bleeding by bivalirudin versus abciximab and heparin in 1,721 patients with non-ST-segment elevation myocardial infarction (NSTEMI) undergoing percutaneous coronary intervention (PCI). A longer follow-up may be required to assess the whole potential benefit of a periprocedural antithrombotic therapy. Methods and results: The primary outcome for this analysis was the composite of death, myocardial infarction or target vessel revascularisation one year after randomisation. Secondary outcome was the composite of death or myocardial infarction. At one year, the primary outcome occurred in 21.3% of patients assigned to abciximab and heparin versus 21.5% assigned to bivalirudin (hazard ratio [HR] 0.99; 95% confidence interval [CI]: 0.80-1.21; p=0.94). The combined incidence of death or myocardial infarction was 15.7% in the abciximab and heparin group versus 16.0% in the bivalirudin group (HR 0.99; 95% CI: 0.78-1.26; p=0.94). The mortality rates were 4.0% and 4.7%, respectively (HR 0.85; 95% CI: 0.54-1.34; p=0.48). At one year, no significant differences in the primary outcome were observed with abciximab and heparin versus bivalirudin in any of the subgroups analysed. Conclusions: In patients with NSTEMI undergoing PCI, abciximab with heparin and bivalirudin provide comparable outcomes at one year, although bivalirudin reduced the rate of bleeding at 30 days. Clinical trial registration information: URL www.clinicaltrials.gov; Unique identifier NCT00373451.

Original languageEnglish
Pages (from-to)430-436
Number of pages7
JournalEuroIntervention
Volume9
Issue number4
DOIs
StatePublished - Aug 2013

Keywords

  • Abciximab
  • Bivalirudin
  • Clopidogrel
  • Heparin
  • Stent

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