Randomized trial of three rapamycin-eluting stents with different coating strategies for the reduction of coronary restenosis

Julinda Mehilli, Robert A. Byrne, Anna Wieczorek, Raisuke Iijima, Stefanie Schulz, Olga Bruskina, Jürgen Pache, Rainer Wessely, Albert Schömig, Adnan Kastrati

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190 Scopus citations

Abstract

Aims: The objective of this study was to assess the non-inferiority, in terms of anti-restenotic efficacy, of both biodegradable-polymer (BP) and polymer-free (PF) stents compared with permanent-polymer rapamycin-eluting (PP; Cypher) stent. Methods and results: Patients with de novo coronary lesions in native vessels were randomly assigned to receive a BP stent, a PF stent or a PP stent. The primary endpoint was in-stent late lumen loss at follow-up angiogram. A total of 605 patients were enrolled: 202 patients received BP stents, 202 were treated with PP stents, and 201 received PF stents. Repeat angiography was available for 492 patients (81.3%). Mean late lumen loss at 6-8-month angiographic follow-up was 0.17 ± 0.45 mm in the BP stent group, 0.23 ± 0.46 mm in the PP cohort, and 0.47 ± 0.56 mm in the PF stent group. The BP stent met pre-specified criteria for non-inferiority (P < 0.001), whereas the PF stent did not (P = 0.94). There were no differences in safety outcomes. Conclusion: Both BP and PF stents have a 1-year safety profile similar to that of the PP stent. Whereas the PF stent provided an inferior efficacy, the BP stent is at least as effective as the PP stent in terms of anti-restenotic efficacy. Published on behalf of the European Society of Cardiology. All rights reserved.

Original languageEnglish
Pages (from-to)1975-1982
Number of pages8
JournalEuropean Heart Journal
Volume29
Issue number16
DOIs
StatePublished - Aug 2008
Externally publishedYes

Keywords

  • Biodegradable
  • Coronary restenosis
  • Drug-eluting stents
  • Polymer
  • Rapamycin

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