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Clinical Trial Summary

Multiple organ dysfunction syndrome (MODS) after surgical repaired for acute type A aortic dissection (ATAAD) is a life-threatening condition. In this study, patients who undergoing surgical repaired of ATAAD immediately or presenting sever MODS after surgical repaired of acute type A aortic dissection will be treated with umbilical cord-derived mesenchymal stem cell.


Clinical Trial Description

Multiple organ dysfunction syndrome (MODS) are common debilitating complications after surgical repaired for ATAAD. MODS is one of the chief causes of post-operative death for acute type A aortic dissection (ATAAD) patients, and it was reported that MODS accounted for more than half of the death after surgery for ATAAD. Despite recent advance in surgical technique, mortality rate remains high in such critical care conditions. In animal models, studies have demonstrated the beneficial effects of MSCs with respect to ischemia-reperfusion injury of heart, lungs, kidney, brains and livers. Several pilot studies have provided evidence that MSC may be effective in treating critically ill patients with traumatic brain injury, acute renal failure, or acute respiratory distress syndrome. There is increasing evidence that MSCs function in a paracrine manner. Exosomes have been reported to activate signaling pathways by binding to receptors. Compared with mesenchymal stem cells, exosomes are more stable and storable and no risk of aneuploidy. The possibility of immune rejection after allogeneic administration of exosomes is lower and can provide alternative treatment for a variety of diseases.

The trial contains two parts:

Part one (prevention scheme):to explore the safety and efficacy of exosome of MSC, the investigators will recruit patients who are diagnosed with ATAAD, and 15 participants will be administrated intravenously with exosome of MSC immediately after ascending aortic replacement combined with open placement of triple branched stent graft while other 15 not. Then the investigators will monitor participants' MODS related biochemical indexes, sequential organ failure assessment (SOFA) scores, comparing to those don't be treated with exosome of MSC.

Phase two (treatment scheme): for patients presenting severe MODS (SOFA scoreā‰„10) after ascending aortic replacement combined with open placement of triple-branched stent graft, the investigators will randomly use exosome of MSC to 15 of participants while other 15 not. Then the investigators will monitor participants' MODS related biochemical indexes, SOFA scores, comparing to those don't be treated with MSC. The dosage of the exosome of MSC was determined on the basis of the previous clinical studies, which is 180mg once a time and administrated intravenously. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04356300
Study type Interventional
Source Fujian Medical University
Contact Yi-Kun Jiang
Phone 86-14759926068
Email 869582567@qq.com
Status Not yet recruiting
Phase N/A
Start date September 1, 2020
Completion date September 1, 2030

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