eISSN: 1897-4295
ISSN: 1734-9338
Advances in Interventional Cardiology/Postępy w Kardiologii Interwencyjnej
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vol. 12
Original paper

First-generation paclitaxel- vs. second-generation zotarolimus-eluting stents in small coronary arteries: the BASKET-SMALL Pilot Study

Raban Jeger, Matthias Pfisterer, Otmar Pfister, Peter Rickenbacher, Michael Handke, Nicole Gilgen, Michael Coslovsky, Christoph Kaiser

Adv Interv Cardiol 2016; 12, 4 (46): 314–320
Online publish date: 2016/11/17
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Introduction: Event rates after percutaneous coronary interventions (PCI) are higher in small than large coronary vessels but may vary between different drug-eluting stent (DES) types.

Aim: To assess the efficacy of two different DES in small vessel disease.

Material and methods: Patients with small vessel PCI were randomised 1 : 1 to a first-generation paclitaxel- vs. a second-generation zotarolimus-eluting stent. The primary endpoint was a composite of cardiac death, non-fatal myocardial infarction, and target vessel revascularisation after 2 years.

Results: Overall, 191 patients were enrolled: 100 with a paclitaxel- and 91 with a zotarolimus-eluting stent. Baseline characteristics were similar in both groups. After 2 years, rates of the primary endpoint were numerically higher for zotarolimus- than paclitaxel-eluting stents (9.9% vs. 5.0%, hazard ratio 2.09, 95% confidence interval (CI) 0.7–6.2, p = 0.19), which was mainly driven by higher rates of target vessel revascularisation (6.6% vs. 2.0%, hazard ratio 3.39, 95% CI: 0.68–16.78, p = 0.14). Based on this, a total of 1,019 patients would be necessary to demonstrate at least non-inferiority between the DES used.

Conclusions: In this pilot study, paclitaxel-eluting stents had a favourable efficacy profile in small vessel disease, although the numbers were too small to draw final conclusions. Based on the prohibitively high sample size for a randomized controlled trial between DES, other treatment options should be considered.

small vessel disease, drug-eluting stent, paclitaxel, zotarolimus

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