xience v® everolimus eluting coronary stent system india post-marketing single-arm study

Conditions: Coronary Disease; Coronary Artery Disease; Coronary Restenosis

Summary: xience v® india is a prospective, open-label, multi-center, observational, single-arm study to evaluate xience v® eecss continued safety and effectiveness during commercial use in real world settings.

long term surveillance studies using a drug eluting stent (des) may help elucidate mechanisms responsible for death, myocardial infarction, and late stent thrombosis risks not observed during controlled pre-market trials. this study will evaluate xience v® everolimus eluting coronary stent system (eecss) performance in the "real world" when used by a broad group of physicians at a variety of health care facilities. consequently, this protocol will include all consecutively enrolled patients in india who consent to participate and receive the xience v® eecss, which is expected to represent the range of clinical use during commercialization. adjunctive anti-platelet therapy is a critical factor in optimizing long term des safety. despite established guidelines that recommend 6-12 months dual antiplatelet therapy, patients with des implants frequently stop taking their medication early. consequently, xience v® eecss india post-marketing single-arm study (xience v® india) follow-up will document patient adherence and persistence with adjunctive antiplatelet drug therapy at several time points throughout the study. the long term safety and efficacy of the xience v eecss have been demonstrated in the spirit first trial up to 5 years, the spirit ii trial up to 4 years, and in the spirit iii randomized control trial (rct) up to 3 years. in addition, these pre-approval studies have shown low rates of target vessel failure and major adverse cardiac events (mace) that were observed to plateau or gradually decline after about 1 year and were consistently lower than the comparator arm of each study. this benefit in mace is sustained for up to 5 years and is also independent of the first year results. the post approval xience v india study demonstrated that the use of the xience eecss in complex lesions in a real-world population resulted in 1 year mace, stent thrombosis and target lesion revascularization rates that are comparable to those of the previously mentioned pre-approval studies which included patients with more restricted inclusion / exclusion criteria. therefore, based on existing data from these trials, abbott vascular has decided to discontinue further follow up in the xience v india study, from 5 years to after completion of the three year follow-up.

Eligibility criteria:
inclusion criteria: * the patient agrees to participate in this study by signing the ec approved informed consent form. alternatively, the patient's legally authorized representative agrees to the patient's participation in this study and signs the informed consent form. exclusion criteria: * the inability to obtain an informed consent is an exclusion criterion.

Keywords: drug eluting stents stents angioplasty coronary artery disease total coronary occlusion coronary artery restenosis stent thrombosis vascular disease myocardial ischemia coronary artery stenosis