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  • Impact of overlapping newer generation drug-eluting stents on clinical and angiographic outcomes: pooled analysis of five trials from the international Global RESOLUTE Program

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Interventional cardiology
Original article
Impact of overlapping newer generation drug-eluting stents on clinical and angiographic outcomes: pooled analysis of five trials from the international Global RESOLUTE Program
  1. Vasim Farooq1,
  2. Pascal Vranckx1,
  3. Laura Mauri2,
  4. Donald E Cutlip3,
  5. Jorge Belardi4,
  6. Sigmund Silber5,
  7. Petr Widimsky6,
  8. Martin Leon7,
  9. Stephan Windecker8,
  10. Ian Meredith9,
  11. Manuela Negoita10,
  12. Frank van Leeuwen10,
  13. Franz-Joseph Neumann11,
  14. Alan C Yeung12,
  15. Hector M Garcia-Garcia1,
  16. Patrick W Serruys1
  1. 1Department of Interventional Cardiology, Erasmus University Medical Centre, Rotterdam, The Netherlands
  2. 2Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
  3. 3Harvard Clinical Research Institute, Boston, Massachusetts, USA
  4. 4Cardiovascular Institute of Buenos Aires, Buenos Aires, Argentina
  5. 5Kardiologische Praxis und Praxisklinik, Munich, Germany
  6. 6Cardiocenter Kralovske Vinohrady, Charles University, Prague, Czech Republic
  7. 7Columbia University Medical Center, New York-Presbyterian Hospital, New York, New York, USA
  8. 8University Hospital Foundation, Bern, Switzerland
  9. 9Monash Heart and Monash University, Melbourne, Australia
  10. 10Medtronic, Santa Rosa, California, USA
  11. 11Heart Center Bad Krozingen, Bad Krozingen, Germany
  12. 12Stanford University School of Medicine, Palo Alto, California, USA
  1. Correspondence to Professor Patrick W Serruys, Interventional Cardiology Department, Erasmus MC, 's-Gravendijkwal 230, Rotterdam 3015 CE, The Netherlands; p.w.j.c.serruys{at}erasmusmc.nl

Abstract

Background Overlapping first generation sirolimus- and paclitaxel-eluting stents are associated with persistent inflammation, fibrin deposition and delayed endothelialisation in preclinical models, and adverse angiographic and clinical outcomes—including death and myocardial infarction (MI)—in clinical studies.

Objectives To establish as to whether there are any safety concerns with newer generation drug-eluting stents (DES).

Design Propensity score adjustment of baseline anatomical and clinical characteristics were used to compare clinical outcomes (Kaplan–Meier estimates) between patients implanted with overlapping DES (Resolute zotarolimus-eluting stent (R-ZES) or R-ZES/other DES) against no overlapping DES. Additionally, angiographic outcomes for overlapping R-ZES and everolimus-eluting stents were evaluated in the randomised RESOLUTE All-Comers Trial.

Setting Patient level data from five controlled studies of the RESOLUTE Global Clinical Program evaluating the R-ZES were pooled. Enrolment criteria were generally unrestrictive.

Patients 5130 patients.

Main outcome measures 2-year clinical outcomes and 13-month angiographic outcomes.

Results 644 of 5130 patients (12.6%) in the RESOLUTE Global Clinical Program underwent overlapping DES implantation. Implantation of overlapping DES was associated with an increased frequency of MI and more complex/calcified lesion types at baseline. Adjusted in-hospital, 30-day and 2-year clinical outcomes indicated comparable cardiac death (2-year overlap vs non-overlap: 3.0% vs 2.1%, p=0.36), major adverse cardiac events (13.3% vs 10.7%, p=0.19), target-vessel MI (3.9% vs 3.4%, p=0.40), clinically driven target vessel revascularisation (7.7% vs 6.5%, p=0.32), and definite/probable stent thrombosis (1.4% vs 0.9%, p=0.28). 13-month adjusted angiographic outcomes were comparable between overlapping and non-overlapping DES.

Conclusions Overlapping newer generation DES are safe and effective, with comparable angiographic and clinical outcomes—including repeat revascularisation—to non-overlapping DES.

ClinicalTrials.gov Identifiers NCT00248079; NCT00617084; NCT00726453; NCT00752128; NCT00927940.

  • INTERVENTIONAL CARDIOLOGY

https://doi.org/10.1136/heartjnl-2012-303368

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