Clinical outcomes three-year after revascularization with biodegradable polymer stents: ultrathin-strut sirolimus-eluting stent versus biolimus-eluting stent: from the Scandinavian organization for randomized trials with clinical outcome VII trial

Julia Ellert, Michael Maeng, Bent Raungaard, Knud Nørregaard Hansen, Johnny Kahlert, Svend Eggert Jensen, Hans Erik Bøtker, Henrik Steen Hansen, Jens Flensted Lassen, Evald Høj Christiansen, Lisette Okkels Jensen

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Abstrakt

BACKGROUND: Drug-eluting stents with biodegradable polymers have been designed to improve safety and efficacy. However, drug-eluting stents with biodegradable polymers may not be a class effect, as stent strut thickness, polymer coating, and drug resorption differ between these groups of stents. Twelve months results of Scandinavian Organization for Randomized Trials With Clinical Outcome VII showed that ultrathin-strut sirolimus-eluting Orsiro stent was noninferior to the biolimus-eluting Nobori stent. The sirolimus-eluting Orsiro stent was associated with a reduced risk of definite stent thrombosis.

METHODS: The Scandinavian Organization for Randomized Trials With Clinical Outcome VII trial is a prospective multicenter randomized clinical trial comparing sirolimus-eluting Orsiro stent and biolimus-eluting Nobori stent in all-comers patients. The endpoint target lesion failure was a composite of cardiac death, myocardial infarction (not related to other than index lesion) and target lesion revascularization.

RESULTS: A total of 1261 patients were randomized to treatment with sirolimus-eluting Orsiro stent and 1264 patients to biolimus-eluting Nobori stent and followed for 3 years. At 3-year the target lesion failure was comparable for sirolimus-eluting Orsiro stent (9.0%) and the biolimus-eluting Nobori stent (9.1%), (rate ratio, 0.99; 95% confidence interval, 0.77-1.29). Cardiac death (sirolimus-eluting Orsiro stent 3.0% vs. biolimus-eluting Nobori stent 2.6% [rate ratio, 1.16; 95% confidence interval, 0.73-1.86]), target lesion revascularization (sirolimus-eluting Orsiro stent 5.2% vs. biolimus-eluting Nobori stent 5.9% [rate ratio, 0.90; 95% confidence interval, 0.64-1.25]), myocardial infarction (sirolimus-eluting Orsiro stent 4.7% vs. biolimus-eluting Nobori stent 4.5% [rate ratio, 1.04; 95% confidence interval, 0.72-1.50]), and definite stent thrombosis (sirolimus-eluting Orsiro stent 1.0% vs. biolimus-eluting Nobori stent 1.7% [rate ratio, 0.59; 95% confidence interval, 0.30-1.18]) did not differ significantly between the two groups.

CONCLUSION: At 3-year follow-up, target lesion failure did not differ among ultrathin-strut sirolimus-eluting Orsiro stent and biolimus-eluting Nobori stent with biodegradable polymers.

OriginalsprogEngelsk
TidsskriftCoronary Artery Disease
ISSN0954-6928
DOI
StatusE-pub ahead of print - 20. mar. 2020

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