Non-polymer-based paclitaxel-coated coronary stents for the treatment of patients with de novo coronary lesions - Angiographic follow-up of the DELIVER clinical trial

Article

关键词: LOCAL-DRUG DELIVERY;    BALLOON ANGIOPLASTY;    ELUTING STENT;    ARTERY-DISEASE;    RADIATION-THERAPY;    IN-VIVO;    RESTENOSIS;    PREVENTION;    IMPLANTATION;    MULTICENTER;   

DOI  :  10.1161/01.CIR.0000127129.94129.6F

来源: SCIE

【 摘 要 】

Background-Paclitaxel, a microtubule-stabilizing compound with potent antitumor activity, has been shown to inhibit smooth muscle cell proliferation and migration. The DELIVER trial was a prospective, randomized, blinded, multicenter clinical evaluation of the non-polymer-based paclitaxel-coated ACHIEVE stent compared with the stainless steel Multi-Link (ML) PENTA stent. Methods and Results-A total of 1043 patients with focal de novo coronary lesions, <25 mm in length, in 2.5- to 4.0-mm vessels were randomized (ACHIEVE n=524; ML PENTA n=519). Angiographic follow-up was performed in a subset of 442 patients (ACHIEVE n=228; ML PENTA n=214). Prespecified end points were a 40% reduction in target-vessel failure at 9 months (primary clinical end point) and a 50% reduction in binary restenosis at 8 months (major secondary end point). Baseline clinical characteristics were comparable between the groups. Patients in ACHIEVE had more type C lesions and a larger reference diameter. At follow-up, stent late loss was 0.81 versus 0.98 mm (P=0.003), stent binary restenosis was 14.9% versus 20.6% (P=0.076), and target-vessel failure was 11.9% versus 14.5% (P=0.12) for ACHIEVE and ML PENTA, respectively. Conclusions-The ACHIEVE paclitaxel-coated stent decreased neointimal proliferation compared with the bare-metal PENTA stent; however, this reduction was insufficient to meet the prespecified primary end point of target-vessel failure and the secondary end point of binary restenosis.

【 授权许可】

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