<qa>  What was the primary endpoint of the primary endpoints?Patients were enrolled and randomized to be treated by JANUS or SRNCRO bare metal stent with the same platform as JANUS. All enrolled patients received daily clopidogrel for 4 months and aspirin for life long for post-PCI periodIn AMI group, patients received daily clopidogrel 150mg for 2 weeks at first. The primary endpoints included death of heart, myocardial infarction, revascularization of the target lesson, sub-acute and late stent thrombosis one year after PCI, The secondary endpoints included MACE at 30 days, 6 months and restenosis by follow-up angiogram at 6 to 12 months. 