Nitric oxide treatment may slow progression of COVID-19

According to a new study, nitric oxide treatment can of help when it comes to fighting the SARS-CoV-2, the coronavirus that causes COVID-19.

By: Jahnavi Sarma | | Published: July 23, 2020 2:02 pm

Since the beginning of the COVID-19 pandemic, scientists across the world have been trying to develop a vaccine and effective cure for the disease. Besides working overtime to develop a new vaccine, they have also been looking at existing drugs and vaccines. They have zeroed in on many hopeful candidates but, as yet, there is no conclusive evidence of any of these medications successfully treating the novel coronavirus. Their work is hampered by the fact that the global health crisis is caused by a previously unknown strain of coronavirus and they have no data to fall back on. Mutation of the new strain has also led to roadblocks. Also Read - New COVID-19 strain is here, protect yourself with three layered surgical masks: Experts

Now, according to a new study at the George Washington University in the US, nitric oxide treatment can be pivotal in the world’s fight against SARS-CoV-2, the coronavirus that causes COVID-19. Also Read - COVID-19 surge continues in Maharashtra: Night curfew, full lockdown on weekends in Aurangabad

Nitric oxide helps maintain vascular function

Nitric oxide is an anti-microbial and anti-inflammatory molecule with key roles in pulmonary vascular function in the context of viral infections and other pulmonary diseases. In SARS-CoV-1 infection, which led to the outbreak of SARS (severe acute respiratory syndrome) in 2003, nitric oxide inhibited viral replication by cytotoxic reactions through intermediates such as peroxynitrite, the study, published in the journal Nitric Oxide, reported. Also Read - CoWIN registration not a must for healthcare workers, front line warriors to get the COVID-19 vaccine

According to researchers, nitric oxide plays key roles in maintaining normal vascular function and regulating inflammatory cascades that contribute to acute lung injury (ALI) and acute respiratory distress syndrome (ARDS). Interventions that are protective against ALI and ARDS can play a critical role for patients and health systems during the pandemic.

Study shows efficacy of nitric oxide

For the purpose of the study, the research team reviewed data from between 1993 and 2020 on the pathogenesis of coronaviruses and the use of nitric oxide as a treatment for respiratory illness. The authors highlighted the potential for inhaled nitric oxide contributing to better clinical outcomes and alleviating the rapidly rising strain on health care capacity due to COVID-19. As groups continue to publish more results with their respective nitric oxide platforms, the team recommends that dosing and protocol variations should be examined in evaluating the studies.

They say that with the emergence of COVID-19 as a pandemic with the ability to overwhelm the body and our health care infrastructure, patients have a pressing need for effective agents that can slow the disease in their bodies and in their communities. They suggest that if nitric oxide’s efficacy is illustrated for COVID-19, its use as a treatment can be pivotal in the fight against the pandemic.

Experts emphasise need for therapeutics to control COVID-19

Researchers say that coronaviruses are RNA viruses that primarily infect birds or livestock but can mutate to be highly infectious and lethal in humans. There is currently no registered treatment or vaccine for COVID-19. The absence of a specific treatment and the high mortality rate of the virus dictate an urgent need for therapeutics that may control the replication and rapid spread of the virus.

(With inputs from IANS)

Published : July 23, 2020 2:02 pm

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