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Elderly patients treated with Onyx versus Orsiro drug-eluting coronary stents in a randomized clinical trial with long-term follow-up

  • Daphne van Vliet
  • , Eline H. Ploumen
  • , Tineke H. Pinxterhuis
  • , Carine J.M. Doggen
  • , Adel Aminian
  • , Carl E. Schotborgh
  • , Peter W. Danse
  • , Ariel Roguin
  • , Rutger L. Anthonio
  • , Edouard Benit
  • , Marlies M. Kok
  • , Gerard C.M. Linssen
  • , Clemens von Birgelen*
  • *Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Background: Percutaneous coronary intervention (PCI) with new-generation drug-eluting stents is increasingly performed in elderly patients, who generally have more comorbidities and more technically challenging target lesions. Nevertheless, there is a paucity of reported data on the long-term safety and efficacy of PCI with contemporary stents in elderly all-comers.

Methods: This prespecified secondary analysis of a large-scale randomized clinical trial (BIONYX; clinicaltrials.gov:NCT02508714) compared in elderly all-comers (≥ 75 years) the 5-year outcome after PCI with the novel, more radiopaque Onyx zotarolimus-eluting stent (ZES) versus the Orsiro sirolimus-eluting stent (SES). We assessed the main composite endpoint target vessel failure (TVF: cardiac death, target vessel myocardial infarction, or target vessel revascularization) and several secondary endpoints.

Results: Of 2,488 trial participants, 475(19.1%) were elderly (79.5 ± 3.5 years), including 165(34.7%) women. There was a significant between-stent difference in the main endpoint TVF in favor of the Onyx ZES (14.4% vs. 24.2%, HR: 0.60, 95% CI 0.39–0.93, plog-rank = 0.02). The time-to-event curves displayed between-stent dissimilarities across all components of TVF, yet not statistically significant. Landmark analysis between 1- and 5-year follow-up showed in Onyx ZES-treated patients significantly lower rates of TVF (7.8% vs.8.9%, p = 0.002) and target vessel revascularization (3.0% vs.8.3%, p = 0.029). In addition, the 5-year rates of all-cause mortality and several composite endpoints were lower (p < 0.03) in Onyx ZES-treated patients.

Conclusions: In elderly all-comer patients, those treated with Onyx ZES showed a lower 5-year incidence of the main endpoint of safety and efficacy, as well as several secondary endpoints, than patients treated with Orsiro SES. Further research on this issue is warranted.

Clinical trial registration information: https://clinicaltrials.gov/study/NCT02508714.

Original languageEnglish
Article numbere012438
Pages (from-to)1681-1691
Number of pages11
JournalClinical research in cardiology
Volume114
Issue number12
Early online date4 Mar 2025
DOIs
Publication statusPublished - Dec 2025

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • UT-Hybrid-D
  • Drug-eluting stents
  • Elderly patients
  • Long-term follow-up
  • Percutaneous coronary intervention
  • Randomized controlled trial
  • Coronary artery disease

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