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Dani S.,Lifecare Institute of Medical science and Research | Costa R.A.,Dante Pazzanese Institute of Cardiology | Costa R.A.,Cardiovascular Research Center | Joshi H.,Lifecare Institute of Medical science and Research | And 7 more authors.
EuroIntervention | Year: 2013

Aims: We report the initial human evaluation of the novel BioMimeTM sirolimus-eluting stent (SES) (Meril Life Sciences Pvt. Ltd., Gujarat, India) with an ultra-thin stent platform (65 μm) and a biodegradable polymer for the treatment of de novo coronary lesions. Methods and results: The meriT-1 trial was a prospective, non-randomised, single-arm, single-centre, first-in-human evaluation of the safety, feasibility and performance of the BioMime SES. Lesion criteria included non-occlusive stenosis ≤19 mm in length located in native coronary vessels. Clinical follow-up (FU) was performed at 1, 8 and 12 months; all patients were assigned for angiographic FU at eight months. A total of 30 patients (30 lesions) were enrolled between March 2009 and February 2010. Mean age was 49.9 years, 30% were diabetics, and 36.7% had previous myocardial infarction (MI). Baseline median [25%, 75% interquartile range] lesion length, reference diameter and % diameter stenosis were 15.51 mm [12.74, 20.27], 2.94 mm [2.71, 3.34], and 80.5% [67.0%, 90.7%], respectively. Overall, there was one stent implanted per lesion and procedural success was 100%. At eight-month angiographic FU (26/30), median in-stent late lumen loss was 0.15 mm [0.09, 0.33]; also, there were no cases of binary restenosis within the treated segment. Clinical FU at 12 months (100%) demonstrated absence of MACE (cardiac death, MI and target lesion revascularisation) and stent thrombosis (ST). Conclusions: The novel BioMime SES demonstrated excellent performance in single coronary lesions including high procedural success and efficacy, as demonstrated by the relatively low late lumen loss (a surrogate of neointimal hyperplasia) at eight-month angiographic FU. Overall, there were no safety concerns in this preliminary evaluation including absence of MACE or ST up to 12 months. © Europa Digital & Publishing 2013. All rights reserved.

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