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Circulation. 2004 Apr 27;109(16):1942-7. Epub 2004 Apr 12.

One-year clinical results with the slow-release, polymer-based, paclitaxel-eluting TAXUS stent: the TAXUS-IV trial.

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  • 1The Cardiovascular Research Foundation and Lenox Hill Heart and Vascular Institute, 55 E 59th St, 6th Floor, New York, NY 10022, USA. gstone@crf.org

Abstract

BACKGROUND:

The safety and efficacy of the slow-release, polymer-based, paclitaxel-eluting stent after implantation in a broad cross section of de novo coronary lesions at 1 year are unknown.

METHODS AND RESULTS:

In the TAXUS-IV trial, 1314 patients with single de novo coronary lesions 10 to 28 mm in length, with reference-vessel diameter 2.5 to 3.75 mm, coverable by a single study stent, were prospectively randomized to the slow-release, polymer-based, paclitaxel-eluting TAXUS stent or an identical-appearing bare-metal EXPRESS stent. By actuarial analysis, the TAXUS stent compared with the bare-metal stent reduced the 12-month rates of target-lesion revascularization by 73% (4.4% versus 15.1%, P<0.0001), target-vessel revascularization by 62% (7.1% versus 17.1%, P<0.0001), target-vessel failure by 52% (10.0% versus 19.4%, P<0.0001), and composite major adverse cardiac events by 49% (10.8% versus 20.0%, P<0.0001). The 1-year rates of cardiac death (1.4% versus 1.3%), myocardial infarction (3.5% versus 4.7%), and subacute thrombosis (0.6% versus 0.8%) were similar between the paclitaxel-eluting and control stents, respectively. Between 9 and 12 months, there were significantly fewer myocardial infarctions (0% versus 1.1%, P=0.007), target-vessel revascularizations (2.4% versus 5.8%, P=0.002), and major adverse cardiac events (2.4% versus 6.3%, P=0.0009) in the paclitaxel-eluting stent than in the control stent group, respectively.

CONCLUSIONS:

The relative efficacy reported at 9 months for the polymer-based, paclitaxel-eluting TAXUS stent compared with the EXPRESS stent is preserved and continues to increase at 1 year, with no safety concerns apparent.

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PMID:
15078803
[PubMed - indexed for MEDLINE]
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