Evaluate the Safety and Explore Efficacy of Umbilical Cord Mesenchymal Stem Cells in Acute Myocardial Infarction

This study is a first-in-human assessment of safety of using UCMSC in patients with AMI via a combination of IC and IV stem cell administration. The novelty of the current UMSC01 treatment study is the dual route of administration. Since dual administration of UCMSC via IC and IV had never been conducted in humans, there may be unknown risks to humans not predicted from the preclinical studies. However, the risk to patients in this trial will be minimized by rigorous adherence to the eligibility criteria, use of appropriate dose and concentration of stem cells, standardized techniques of stem cell infusion, and intensive patient monitoring during and after stem cell infusion.