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Clinical Trial Summary

Coronavirus is an acute viral disease with prevailing upper respiratory tract infections caused by the RNA-containing virus of the genus Betacoronavirus of the Coronaviridae family. Most patients with severe COVID-19 develop pneumonia in the first week of the disease. As the infection progresses, the infiltration increases, and the affected areas increases. Excessive and uncontrolled immune system response with rapidly developing fatal cytokine storm plays the main role in the pathogenesis of acute respiratory distress syndrome (ARDS) due to SARS-CoV-2 infection. According to available data, exosomes can regulate inflammation and regenerative processes due to the change in the concentration of anti-inflammatory cytokines and switch the immune cell to regenerative secretome. Inhalation of exosomes may reduce inflammation and damage to the lung tissue and stimulate the regenerative processes. This protocol has been developed based on the literature, information about the ongoing tests NCT04276987 (A Pilot Clinical Study on Inhalation of Mesenchymal Stem Cells Exosomes Treating Severe Novel Coronavirus Pneumonia) and NCT04384445 (Organicell Flow for Patients With COVID-19), Patent No 271036826 of 2019. "A method for obtaining and concentrating microRNA-containing exosomal multi-potent mesenchymal-stromal cells for use in cosmetic and pharmaceutical products to stimulate regenerative processes and slow down aging.


Clinical Trial Description

COVID-19 is an infectious disease caused by the most recently discovered coronavirus. This new virus and disease were unknown before the outbreak began in Wuhan, China, in December 2019. COVID-19 is now a pandemic affecting many countries worldwide. Globally, as of 1:09 pm CEST, 27 July 2020, there have been 16 096 741 confirmed cases of COVID-19, including 646 384 deaths, reported to WHO. The main and rapidly achievable target of SARS-CoV-2 is lung type II alveolar cells (AT2), which determines the development of diffuse alveolar damage. In the pathogenesis of ARDS due to COVID-19, the main role is played by an over-response of the immune system with rapidly developing severe life-threatening cytokine release syndrome (cytokine storm). Cytokine release syndrome threatens the emergence and progression of ARDS. The key components of the pathogenesis of ARDS also include disruption of cell cytotoxicity mechanisms, excessive activation of cytotoxic lymphocytes and macrophages with a massive release of proinflammatory cytokines (FNO-α, IL-1, IL-2, IL-6, IL-8, IL-10), granulocytic colony-stimulating factor, monocytic chemoattractive protein 1), and inflammatory markers (CRP, serum ferritin), infiltration of internal organs and tissues by activated T-lymphocytes and macrophages, resulting in a hyperinflammatory reaction. Such severe lesions can lead to death or severe lung damage, including long rehabilitation after discharge. Experimental studies have demonstrated that mesenchymal stem cells (MSCs) may significantly reduce lung inflammation and pathological impairment resulting from different types of lung injury. Many researchers connect the anti-inflammatory effect of MSC with their secretome which includes MSC derived exosomes. It is highly likely that MSC exosomes have the same therapeutic effect on inoculation pneumonia as MSCs themselves. Moreover, exosomes show a strong effect of regenerative stimulation on different wounds so the regenerative effect can be extended on patients with COVID-19 pneumonia. The purpose of this protocol is to explore the safety and efficiency of aerosol inhalation of the exosomes in the treatment of severe patients hospitalized with novel coronavirus pneumonia (NCP). ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04602442
Study type Interventional
Source State-Financed Health Facility "Samara Regional Medical Center Dinasty"
Contact
Status Enrolling by invitation
Phase Phase 2
Start date October 1, 2020
Completion date December 30, 2021

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