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Portable Nasal Spray That Destroys SARS-CoV-2 Could Prove to Be Breakthrough COVID-19 Treatment

By HospiMedica International staff writers
Posted on 12 Apr 2021
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A self-administered nasal spray application that was found to have reduced SARS-CoV-2 log viral load by more than 95% in infected participants within 24 hours of treatment, and by more than 99% in 72 hours could prove to be a breakthrough treatment for COVID-19.

Results of clinical trials from SaNOtize Research & Development Corp.’s (Vancouver, BC, Canada) Nitric Oxide Nasal Spray (NONS) indicate that it could be a safe and effective antiviral treatment that could prevent the transmission of COVID-19, shorten its course, and reduce the severity of symptoms and damage in those already infected. The SaNOtize treatment is designed to kill the virus in the upper airways, preventing it from incubating and spreading to the lungs. It is based on nitric oxide (NO), a natural nanomolecule produced by the human body with proven anti-microbial properties shown to have a direct effect on SARS-CoV-2, the virus that causes COVID-19. The pharmacology, toxicity, and safety data for NO use in humans has been well-established for decades. The NO molecule released from NONS is identical to the one delivered in its gaseous form to treat persistent pulmonary hypertension, or Blue Baby Syndrome, in newborn babies.

In a randomized, double-blind, placebo-controlled Phase 2 trial that evaluated 79 confirmed cases of COVID-19, SaNOtize’s early treatment for COVID-19 significantly reduced the level of SARS-CoV-2, including in patients with high viral loads. The average viral log reduction in the first 24 hours was 1.362, which corresponds to a decline of about 95%. Within 72 hours, the viral load dropped by more than 99%. In addition to providing antiviral treatment in the early stages of infection and for those who have yet to be vaccinated, NONS has also demonstrated that it could also reduce infectivity – the frequency of transmission from an infected person to a non-infected person.

The majority of these patients had been infected with the UK variant, which is considered a variant of concern. There were no adverse health events recorded in the UK trial, or in over 7,000 self-administered treatments given in earlier Canadian clinical trials. NONS is the only novel therapeutic treatment so far proven to reduce viral load in humans that is not a monoclonal antibody treatment.

“I expect this to be a major advance in the global battle against the devastating human impacts of the COVID-19 pandemic,” said Dr. Stephen Winchester, Consultant Medical Virologist and Chief Investigator of this NHS Clinical Trial. “This simple portable nasal spray could be highly effective in the treatment of COVID-19 and reducing onward transmission. Our trial included patients with a variant of concern and high viral loads yet still demonstrated significant reductions in the levels of SARS-CoV-2, which could be critical in supporting vaccines, preventing future outbreaks and safely reopening economies. Simply stated, I think this could be revolutionary.”

“NONS destroys the virus, blocks entry into and halts viral replication within the nasal cavity, which rapidly reduces viral load. This is significant because viral load has been linked to infectivity and poor outcomes,” said Dr. Chris Miller, Chief Science Officer and co-founder of SaNOtize. “There is currently a lack of an antiviral therapy that is effective against COVID-19 and its variants, can prevent or shorten the course of the disease, reduce damage, lower the severity of COVID-19, and can be made widely and readily available to the public. This is what makes NONS unique and enables it to stand alone from any other novel therapeutic application.”

Related Links:
SaNOtize Research & Development Corp.


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