Everolimus-Eluting Versus Biolimus-Eluting Coronary Stent Implantation in Patients With and Without Diabetes Mellitus

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Diabetes mellitus is associated with a higher risk of target lesion revascularization after percutaneous coronary intervention. We compared clinical outcomes in patients with and without diabetes mellitus, treated with everolimus-eluting stents (EES; Synergy; Boston Scientific, Marlborough, Massachusetts) or biolimus-eluting stents (BES; BioMatrix NeoFlex; Biosensors Interventional Technologies Pte Ltd., Singapore). In total, 2,764 patients were randomized to stent implantation with EES (n = 1,385, diabetes: n = 250) or the BES (n = 1,379, diabetes: n = 262), stratified by gender and diabetes. The primary end point, target lesion failure (TLF), was a composite of cardiac death, target-lesion myocardial infarction, or target lesion revascularization at 12 months. Secondary end points included individual components of TLF, all-cause death, and stent thrombosis. TLF was 2.1% lower in the EES versus the BES groups in patients with diabetes (3.6% vs 5.7%; rate ratios 0.61, 95% confidence interval [CI] 0.27 to 1.41) and similar in patients without diabetes (4.1% vs 4.0%; rate ratios 0.99, 95% CI 0.66 to 1.51). In patients with diabetes, the point estimates of the individual components of TLF also favored the EES but CIs were wide. No interaction between stent type and presence of diabetes was found. The current subgroup analysis found that a thin-strut EES as compared with a thicker strut BES had a numerically lower TLF rate in patients with diabetes, but the subgroup analysis was underpowered for definite conclusions.

Original languageEnglish
JournalThe American Journal of Cardiology
Pages (from-to)671-677
Number of pages7
Publication statusPublished - Sep 2019

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