Coronavirus Disease 2019 (COVID-19) Clinical Trial
Official title:
Safety and Efficacy of Intravenous Infusion of Bone Marrow-Derived Mesenchymal Stem Cells in Severe Patients With Coronavirus Disease 2019 (COVID-19): A Phase 1/2 Randomized Controlled Trial
Coronavirus Disease 2019 (COVID-19) is spreading worldwide and has become a public health emergency of major international concern. Currently, no specific drugs or vaccines are available. For severe cases, it was found that aberrant pathogenic T cells and inflammatory monocytes are rapidly activated and then producing a large number of cytokines and inducing an inflammatory storm.Mesenchymal stem cells (MSCs) have been shown to possess a comprehensive powerful immunomodulatory function. This study aims to investigate the safety and efficacy of intravenous infusion of mesenchymal stem cells in severe patients with COVID-19.
COVID-19 has become a urgent and serious public health event that threatens human life and
health globally. No specific pharmacological treatments are available to date for
COVID-19.Patients contracting the severe form of the disease constitute approximately 15% of
the cases which is characterized by extensive acute inflammation. In these severe cases,
there will be rapid respiratory system failure.
MSCs have been employed extensively in cell therapy, which includes a plethora of preclinical
research investigations as well as a significant number of clinical trials. Safety and
efficacy have been shown in many clinical trials. Previous studies have shown that MSCs could
significantly reduce inflammatory cell infiltration in lung tissue, reduce inflammation in
lung tissue, and significantly improve lung The structure and function of tissues protect
lung tissue from damage.The mechanisms underlying the improvements after MSC infusion in
COVID-19 patients also appeared to be the robust antiinflammatory activity of MSCs. Recent
studies also showed that intravenous MSC infusion could reduce the overactivation of the
immune system and support repair by modulating the lung microenvironment after SARS-CoV-2
infection. MSC therapy inhibiting the overactivation of the immune system and promoting
endogenous repair by improving the lung microenvironment after the SARS-CoV-2 infection.
The purpose of this study is to investigate the safety and efficacy of intravenous infusion
of mesenchymal stem cells in severe patients With COVID-19.The respiratory function,
pulmonary inflammation, clinical symptoms, pulmonary imaging, side effects, immunological
characteristics will be evaluated.
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