Platinum Chromium Taxus Element stent system is launched in Europe

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Boston Scientific announced in June 2010 the market launch and first implants of its Taxus  Element Paclitaxel-Eluting Coronary Stent System in the European Union and other CE mark countries. The Taxus Element Stent System is the company’s third-generation drug-eluting stent (DES) technology and incorporates a platinum chromium alloy with an innovative stent design and an advanced catheter delivery system. It received CE mark approval in May, which included a specific indication for the treatment of diabetic patients.


The first European implants were performed by Corrado Tamburino, chair of the Cardiology Department at Ferrarotto Hospital, Catania, Italy and Adrian Banning, Directorate Chair of Cardiac Services at John Radcliffe Hospital, Oxford, UK.


“I have found the Taxus Element stent to offer performance advantages in flexibility, visibility and deliverability over prior-generation stents,” said Tamburino. “The platinum chromium alloy and new stent design used in the Element platform, together with the proven Taxus drug and polymer, represent a significant advance in coronary stenting. The diabetic indication for the Taxus Element stent system provides an important benefit given that approximately one third of all patients presenting with coronary artery disease in Europe have diabetes,” said Banning. “Diabetic patients with coronary artery disease often have poorer outcomes after revascularisation procedures. The paclitaxel-based Taxus Element stent has a unique mechanism of action that helps inhibit restenosis in high-risk patients with diabetes.”


The Taxus Element stent is designed specifically for coronary stenting and leverages the performance advantages of the Element stent platform with a decade of clinical success from the Taxus programme. The novel stent architecture and proprietary platinum chromium alloy combine to offer greater radial strength and flexibility. The stent architecture helps create consistent lesion coverage and drug distribution while improving deliverability, which is enhanced by an advanced catheter delivery system. The higher density alloy provides superior visibility and reduced recoil while permitting thinner struts compared to prior-generation stents.


In March, the company announced 12-month results from its PERSEUS clinical programme demonstrating positive safety and efficacy outcomes in workhorse lesions for the Taxus Element Stent System compared to the Taxus Express2 Stent System. Those results were recently published in the Journal of the American College of Cardiology. The PERSEUS results also reported a similar safety profile and statistically superior efficacy outcomes in small vessels for the Taxus Element stent compared to a historical control group of patients receiving the Express bare-metal stent. The company received CE mark approval for the Promus Element Everolimus-Eluting Stent System in October 2009. Both Element stent systems incorporate the same platinum chromium alloy, innovative stent design and advanced catheter delivery system.


In the USA, the company expects FDA approval for the Taxus Element stent system in mid 2011 and for the Promus Element Stent System in mid 2012. In Japan, the company expects approval for the Taxus Element stent system in late 2011 or early 2012 and for the Promus Element stent system in mid 2012.


“In my experience, the platinum chromium alloy and new stent design used in the Taxus Element stent offer increased flexibility, visibility and deliverability,” said Dean Kereiakes, medical director at The Christ Hospital Heart and Vascular Center and The Lindner Research Center in Cincinnati and the principal investigator for the PERSEUS clinical programme. “The Element platform represents a significant advance in coronary stenting with performance improvements that could simplify procedures and allow treatment of a broader range of patients. The combination of the proven Taxus drug and polymer with the new Element platform provides a welcome treatment option.”

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