Intravenous MSC Therapy on Ischemia-Reperfusion Injury in Patients With Myocardial Infarction

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Ischemia/reperfusion injury in myocardial infarction can induce mass release of oxygen free radicals, trigger inflammatory reaction, and ultimately lead to myocardial remodeling and irreversible cardiac function decline. Microvascular obstruction (MVO) and haemorrhage are common pathological alterna...

Ischemia/reperfusion injury in myocardial infarction can induce mass release of oxygen free radicals, trigger inflammatory reaction, and ultimately lead to myocardial remodeling and irreversible cardiac function decline. Microvascular obstruction (MVO) and haemorrhage are common pathological alternations in myocardium post primary PCI, which provide strong prognostic information for STEMI patients. Till now, there is no treatment to be used in clinical practice to reduce myocardium MVO and haemorrhage. With the deep research on stem cells, it is found that the benefits of MSC transplants for myocardium infarction may be achieved by its paracrine effect. Meanwhile, the immunoregulatory effect of MSC has been widely reported in multiply immune disease. Therefore, the applicant proposed the hypothesis that MSC can play an effective role in reducing oxidative stress and inflammatory response, inhibiting microvascular obstruction and haemorrhage. Intravenous injection of MSC will be used in patients with STEMI within 12 hours post primary PCI. The primary endpoint and safety endpoint are recorded in the one year follow up to assess the clinical outcome of intravenous MSC treatment.

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