A confirmatory study of CL2020 in patients with ST-elevation myocardial infarction

INTERVENTION: Intervention name : CL2020 INN of the intervention : ‐ Dosage And administration of the intervention : intravenous infusion Control intervention name : Placebo INN of the control intervention : ‐ Dosage And administration of the control intervention : intravenous infusion CONDITION: ST‐elevation myocardial infarction PRIMARY OUTCOME: efficacy; Left ventricular ejection fraction after infusion of CL2020 SECONDARY OUTCOME: efficacy; left ventricular end‐systolic volume and left ventricular end‐diastolic volume after infusion of CL2020 etc. INCLUSION CRITERIA: ‐Patients diagnosed ST‐elevation myocardial infarction ‐Patients with cardiac dysfunction in spite of successful reperfusion by PCI