Endeavour zotarolimus-eluting stent reduces stent thrombosis and improves clinical outcomes compared with cypher sirolimus-eluting stent: 4-year results of the PROTECT randomized trial
To compare the long-term clinical safety between two drug-eluting stents with different healing characteristics in the Patient Related Outcomes with Endeavour (E-ZES) vs. Cypher (C-SES) Stenting Trial (PROTECT). At 3 years, there was no difference in the primary outcome of definite or probable stent...
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Veröffentlicht in: | European heart journal 2014-10, Vol.35 (40), p.2812-2820 |
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Zusammenfassung: | To compare the long-term clinical safety between two drug-eluting stents with different healing characteristics in the Patient Related Outcomes with Endeavour (E-ZES) vs. Cypher (C-SES) Stenting Trial (PROTECT). At 3 years, there was no difference in the primary outcome of definite or probable stent thrombosis or in the other main secondary clinical outcomes consisting of the composite of death or myocardial infarction (MI). Prespecified 4-year clinical follow-up was analysed.
Patient Related OuTcomes with Endeavour vs. Cypher Stenting Trial was a prospective, open-label randomized-controlled superiority trial powered to look at differences in long-term clinical safety, including stent thrombosis. Dual antiplatelet therapy (DAPT) was prescribed for ≥ 3 months and up to 12 months based on current guidelines. Patient Related OuTcomes with Endeavour vs. Cypher Stenting Trial enrolled 8791 patients undergoing elective or emergency PCI to E-ZES or C-SES. There was no difference in DAPT usage between the two groups up to 4 years. At 4-year follow-up, the primary outcome occurred in 1.6% of E-ZES vs. 2.6% of C-SES patients [HR 0.63 (95% CI 0.46-0.85), P = 0.003]. The composite of all-cause death or large MI occurred in 6.7% of E-ZES vs. 8.0% of C-SES-treated patients [HR 0.84 (95% CI 0.71-0.98), P = 0.024].
Drug-eluting coronary stents with different healing characteristics demonstrated different late safety profiles: after 4 years, compared with C-SES, E-ZES reduced the risk of stent thrombosis and the risk of the composite endpoints of death or MI. Appropriately powered large-scale trials with long-term follow-up are critical to determine clinical safety and efficacy of permanently implanted coronary stents. This trial is registered with ClinicalTrials.gov, number NCT00476957. |
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ISSN: | 0195-668X 1522-9645 |
DOI: | 10.1093/eurheartj/ehu318 |