StEnt Coverage and Neointimal Tissue Characterization After eXtra Long evErolimus - Eluting Stent imPlantation

Inclusion Criteria: * Signed written informed consent before study procedures * Subject is eligible for percutaneous coronary intervention (PCI) * Left ventricular ejection fraction (LVEF) \>30% * Reference vessel diameter (RVD) ≥2.25 mm and ≤4.0 mm * Target lesion(s) length must be ≥38 mm * Target lesion(s) stenosis ≥50% Exclusion Criteria: * History of acute or recent stroke (\<2 months) * Contraindications for antiplatelet and/or anticoagulant therapy * Bleeding within the last 30 days * Subject has acute ST elevation MI (STEMI) * Subject has cardiogenic shock, hemodynamic instability requiring inotropic or mechanical circulatory support * Subject with out of range complete blood count (CBC) values determined as a clinically significant * Subject has documented or suspected liver disease, including laboratory evidence of hepatitis * Subject has baseline serum creatinine level \>2.0 mg/dL (177µmol/L) * Subject has signs or symptoms of active heart failure (i.e., NYHA class IV) at the time of the index procedure * Subject is a woman who is pregnant or nursing (a pregnancy test must be performed within 7 days prior to the index procedure in women of child-bearing potential) * Lesion located within a saphenous vein graft or an arterial graft * Subject has unprotected left main coronary artery disease (\>50% diameter stenosis) * Other serious medical illness (e.g., cancer, congestive heart failure) that may reduce life expectancy to less than 12 months