to evaluate safety and efficacy of CGBIO stent(DES) compared to Biomatrix flex stent(DES)

A Multicenter, subject-blinded, randomized study to evaluate safety and efficacy of CGBIO stent compared to Biomatrix Flex stent in patients undergoing drug-eluting stent procedure after coronary angiography

Inclusion Criteria:

• At least one lesion with a diameter stenosis >50%
• suitable for coronary stent implantation in a vessel with a reference diameter ranging from 2.5 mm to 4.0 mm;
• Gr 1 ≤TIMI flow

Exclusion Criteria:

• ST-segment elevation MI
• Bifurcation lesion
• Chronic total occulusion
• Restenosis lesion
• Graft vessel lesion
• Patient has a history of bleeding diathesis or coagulopathy or patients in whom anti-platelet and/or anticoagulant therapy is contraindicated or in which patient will not be able to comply with dual antiplatelet therapy for at least 1 year
• Cardiogenic shock or hemodynamic compromise
• Existing impairment in liver and kidney.