Clinical and angiographic safety and efficacy trial with a new coronary stent: The RESTOR study of the R Stent

Peter Den Heijer, Benno J.W.M. Rensing, David P. Foley, Arjan A. Van Den Bos, Huub M.A. Corbeij, Michael A. Quarles Van Ufford, Johannes A.M. Te Riele, Paul C.H. Rooset, Patrick W. Serruys

Research output: Contribution to a Journal (Peer & Non Peer)Articlepeer-review

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Abstract

The RESTOR trial (R Stent Efficacy and Safety Trial by ORBUS) is an efficacy and safety evaluation of the R Stent for treatment of patients with a single de novo coronary lesion < 25 mm in length in a coronary artery of 2.75-4.0 mm diameter. This new stent utilizes a patented dual helix design for radial strength and flexibility. The aim of the study was to assess major adverse cardiac events (MACE) and angiographic outcome at 6 months after implantation. From May to December 2000 a total of 121 patients with symptomatic stable or unstable angina pectoris or documented silent ischemia and a signficant single, de novo coronary lesion (average reference vessel diameter 2.84 ± 0.54 mm, average lesion length 10.53 ± 3.70 mm) were included in two Dutch centers. All patients were treated with clopidogrel 75 mg/day for 1 month and with aspirin ≥ 100 mg/day. The angiographic success rate (< 30% diameter stenosis post procedure) was 98.3%. Procedural success (angiographic success without in-hospital MACE) was 95.9%. The 6-month MACE rate was 12.4%. 101 of the 121 patients had an angiographic allow-up at 6 months. Minimal lumen diameter pre/post procedure and at follow-up was 0.98 ± 0.37, 2.64 ± 0.38 and 1.85 ± 0.68 mm, respectively. The resulting binary restenosis rate in this population was 20.8%. The coronary R Stent is safe and effective as a primary device for the treatment of native coronary lesions in patients with stable or unstable angina pectoris, and well suitable as a platform for a drug eluting stent.

Original languageEnglish
Pages (from-to)402-405
Number of pages4
JournalJournal of Invasive Cardiology
Volume16
Issue number8
Publication statusPublished - Aug 2004
Externally publishedYes

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