|Stem Cell Companies Tackling Coronavirus|
Coronavirus disease (COVID-19) is an emerging global pandemic that is threatening the viability of healthcare systems worldwide. The virus responsible for the disease is also known as severe acute respiratory syndrome coronavirus 2 and abbreviated as SARS-CoV-2. The eruption started in China on December 29, 2019 and by March 2020 it was reported that it had spread to several countries across the world.
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In the final days of 2019, Chinese doctors identified a number of similar cases of pneumonia in the city of Wuhan in China. Wuhan is the capital city of Hubei Province in China accommodating 11 million inhabitants. Soon, it was discovered that the disease was caused by a new strain of virus which was named SARS-CoV-2.
The first cases of Coronavirus infection outside of China were reported on January 13 in Thailand and January 16 in Japan. Since January 23, 2020, the Chinese government has placed Wuhan and other nearby cities on lockdown. However, the disease has now spread to another 121 countries.
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The Latin word ‘corona’ means ‘crown’ since the virus looks like a crown under an electron microscope.
The Symptoms of Coronavirus
According to WHO, the most common symptoms in the laboratory confirmed cases are fever and dry cough. Nearly 87.9% of the confirmed cases had fever and 67.7% had a dry cough. The third and fourth most common symptoms were fatigue and sputum production accounting for 38.1% and 33.4% respectively. The fifth and sixth most common symptoms were shortness of breath (dyspnoea) and muscle and joint pain accounting for 18.6% and 14.8% respectively.
Most of these symptoms are also seen in patients with common flu or cold. However, COVID-19 infection does not usually cause running nose.
The symptoms of the COVID-19 develop and progress over time. In most cases, the symptoms start with a fever, followed by a dry cough. After a few days, some patients start experiencing shortness of breath. In severe and critical cases, particularly with old individuals, it can lead to severe pneumonia, respiratory failure, septic shock, multiple organ dysfunction and failure. Thus, severely affected patients may meet a fatal end.
The symptoms of COVID-19 have been classified into mild, severe and critical cases as shown below:
Mild cases: About 81% of the confirmed cases are mild cases and they have no pneumonia or only mild pneumonia
Severe cases: This category includes patients with shortness of breath, respiratory frequency ≥ 30/minute, blood oxygen saturation ≤93%, PaO2 ratio <300 and/or lung infiltrates >50% within 24-48 hours
Critical cases: This category includes patients with respiratory failure, septic shock, and/or multiple organ dysfucnction/failure
Global Healthcare Response to COVID-19
Globally, the healthcare industry is trying to use every weapon in its armory to suppress the global threat from the virus, using approaches that include vaccines, drugs, stem cells and even exosomes. While many approaches are being investigated, mesenchymal stem cells (MSCs) are showing intriguing potential for the treatment of COVID-19.
MSCs are receiving notable attention because past studies have found the secretions from MSCs to be effective at treating inflammation and cytokine storms.
From early-stage studies, it appears that MSC may exert beneficial effects, potentially by improving the lung microenvironment, inhibiting immune system over-activation, promoting tissue repair, protecting lung alveoli epithelial cells, preventing pulmonary fibrosis, or improving lung function.
In the recent months, there has been increased activity in the clinical trial sector using stem cells against COVID-19. Nearly all of the current stem cells trials are being undertaken in China.
Stem Cell Companies Tackling Coronavirus
Already, Athersys, Inc. has reported positive outcomes in other studies using MSCs in treating respiratory disease. Similarly, Mesoblast’s Remestemcel-L has proved itself to be effective in treating advanced respiratory distress.
Cynata Therapeutics is exploring the capacity of its Cymerus™ platform to treat COVID-19 patients with severe symptoms, including acute respiratory distress syndrome, sepsis and cytokine release syndrome. Tianhe Stem Cell Biotechnologies and its division in China (Jinan Tianhe Stem Cell Biotechnology Co., Ltd.) have registered a clinical trial (NCT04299152) for evaluating its “Stem Cell Educator Therapy” against COVID-19.
Pluristem Therapeutics is exploring its PLX cell product candidate for treating respiratory and inflammatory complications caused by the novel Coronavirus infection. Vitro Biopharma is positioning its scalable manufacturing platform to provide stem cell therapies for Coronavirus infections, working the government to present its its AlloRx™ stem cell therapy option.
Furthermore, Celularity is working with its partner Sorrento Therapeutics to evaluate the capacity of its cryopreserved placental-derived Natural Killer cell therapy (CYNK-001) for the treatment and prevention of Coronavirus infections. CYNK-001 has an open IND application with the FDA in blood cancers and the company has now submitted this IND application for its use against COVID-19.
Many other companies are also exploring the potential of living therapies to manage the global surge of Coronavirus infections.
Stem Cell Trials for COVID-19
Currently, ClinicalTrials.gov and the World Health Organization International Clinical Trials Registry Platform (WHO ICTRP) report a combined 29 trials exploring the potential of stem cells for treating COVID-19.
Interestingly, not all of the filed trials are being pursued. In recent weeks, five trials with Chinese Clinical Trial Register (“ChiCTR”) numbers and one trial from ClinicalTrials.gov (with a “National Clinical Trial”) number have been marked as “Cancelled by the Investigator.” Four of the six withdrawn trials were submitted by the same Chinese company, Guangzhou Reborn Health Management Consultation Co., LTD.
Thus, there are 23 active stem cell trials for COVID-19, the vast majority of which utilize MSCs. 16 of the ongoing trials have Chinese Clinical Trial Register (“ChiCTR”) numbers and 7 have National Clinical Trial (NCT) numbers.
When all trial types are considered, there are over 400 studies worldwide exploring approaches to diagnosing, treating or managing COVID-19.
Dozens of companies are also rushing vaccine development and proceeding toward clinical trials.
As select examples, the U.S. NIH initiated a Phase 1 trial in Seattle evaluating an investigational vaccine (mRNA-1273) created by NIAID scientists and their collaborators at Moderna. Sanofi and Regeneron launched a Phase 2/3 trial in New York evaluating the IL-6 targeted Kevzara. Inovio Pharmaceuticals announced that it will move its vaccine into human trials by April within the United States.
Numerous other vaccines are also moving rapidly through development, sponsored by companies in the United States, China and worldwide.
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"In the deal, IMAC will continue to receive a supply of BioFirma’s NeoCyte® regenerative medicine products for its rehabilitation clinics at a deeply discounted price". In addition, Ian White, Ph.D., will change his role from chief scientific officer at IMAC to an external scientific advisor.
* In addition to looming [RMAT] designation by the FDA -
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