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J Am Coll Cardiol. 2010 Dec 14;56(25):2084-9. doi: 10.1016/j.jacc.2010.10.006.

Outcomes in diabetic and nondiabetic patients treated with everolimus- or paclitaxel-eluting stents: results from the SPIRIT IV clinical trial (Clinical Evaluation of the XIENCE V Everolimus Eluting Coronary Stent System).

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The Christ Hospital Heart and Vascular Center and The Carl and Edyth Lindner Center for Research and Education, Cincinnati, Ohio 45219, USA.



We compared the safety and efficacy of the XIENCE V (Abbott Vascular, Santa Clara, California) everolimus-eluting stent (EES) with the TAXUS Express (Boston Scientific, Natick, Massachusetts) paclitaxel-eluting stent (PES) among the large cohort of randomized diabetic patients enrolled in the SPIRIT IV (Clinical Evaluation of the XIENCE V Everolimus Eluting Coronary Stent System) trial.


Diabetes mellitus remains a significant predictor of adverse clinical outcomes after percutaneous coronary intervention with drug-eluting stents, and the comparative outcomes of different drug-eluting stents in diabetic patients remains ill-defined.


In the SPIRIT IV trial, 3,687 patients with up to 3 de novo native coronary artery lesions were prospectively randomized 2:1 to receive EES or PES. Randomization was stratified by the presence of diabetes and lesion complexity. The primary end point was the occurrence of target lesion failure (TLF) (cardiac death, target-vessel myocardial infarction, or ischemia-driven target lesion revascularization) at 1 year. Clinical outcomes were evaluated in randomized diabetic (n = 1,185 [786 EES; 399 PES]) and nondiabetic patients (n = 2,498 [1,669 EES; 829 PES]).


The EES compared with PES reduced TLF in nondiabetic patients (3.1% vs. 6.7%, p < 0.0001), with significant reductions in myocardial infarction, stent thrombosis, and target lesion revascularization. In contrast, no difference in TLF (6.4% vs. 6.9%, respectively, p = 0.80) or any of its components was present among diabetic patients, regardless of insulin use. A significant interaction between the presence of diabetes and stent type on TLF (p(interaction) = 0.02) was observed.


In the SPIRIT IV randomized trial, EES compared with PES provided similar clinical outcomes in diabetic patients and superior clinical outcomes in nondiabetic patients at 1 year. (SPIRIT IV Clinical Trial: Clinical Evaluation of the XIENCE V Everolimus Eluting Coronary Stent System in the Treatment of Subjects With de Novo Native Coronary Artery Lesions; NCT00307047).

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