Coronavirus: Australian Scientists Find Drug That ‘Completely Stops’ COVID-19 From Replicating

Tests showed the drug reduced levels of the virus by 99.8 per cent within 48 hours.

A drug prescribed for scabies has been shown to stops the coronavirus in its tracks and may help fight the infection, according to a study.

Ivermectin is used on the NHS and in the US for parasitic infections – but researchers in Australia believe it could be useful against COVID-19. Tests showed the drug reduced levels of the virus by 99.8 per cent within 48 hours. It had been completely eliminated after three days.

It’s believed the drug works by paralysing the SARS-CoV-2 virus and ‘overwhelming its nervous system’, preventing it from replicating.

Scientists at the Royal Melbourne Hospital believe ivermectin may in turn reduce the severity of the life-threatening disease. They are now urging for ivermectin to be trialled on coronavirus patients, as experts continue the race against time to find a cure.

Ivermectin was discovered in the 1970s and has fast become an essential medicine for a vast number of parasitic infections, such as head lice and scabies.

It’s branded as Stromectol, an oral tablet for scabies, or Soolantra, a skin cream for rosacea. It’s on the World Health Organization‘s List of Essential Medicines, the safest and most effective medicines needed in a health system.

In recent years, researchers have shown ivermectin has anti-viral activity against a broad range of viruses.

Most of this research has only been ‘in vitro’ – cells in the laboratory – which has prompted calls for human trials. That’s based on the fact that SARS, a coronavirus closely related to the new one, has a weak link in its DNA which the team said could be a potential target for ivermectin.

Cells were infected with SARS-CoV-2, the scientific name designated to the novel coronavirus, for two hours. Then ivermectin was injected. After 24 hours, there was a 93 per cent reduction of virus DNA in the cells compared to cells which were not treated with ivermectin.

Results showed ‘the loss of essentially all viral material by 48 hours’, Dr Leon Caly and colleagues wrote in their paper.

They add: ‘These results demonstrate that ivermectin has antiviral action against the SARS-CoV-2 clinical isolate in vitro, with a single dose able to control viral replication within 24-48 h in our system.



‘Ultimately, development of an effective anti-viral for SARS-CoV-2, if given to patients early in infection, could help to limit the viral load, prevent severe disease progression and limit person-person transmission.

‘This brief report raises the possibility that ivermectin could be a useful antiviral to limit SARS-CoV-2.’

The team suggested that until a drug is proven to be beneficial against COVID-19 in a clinical setting – which has not happened yet – ‘all should be pursued as rapidly as possible’. They noted that ivermectin has already been proven to be safe for use – it is approved by the FDA and MHRA.

Dr Michael Head, a research fellow at University of Southampton with a speciality in scabies and other diseases, said ivermectin is one of the best treatments for scabies.

It works by paralysing the parasite and ‘overwhelming’ its nervous system.

How it works to fight off the coronavirus is not clear yet, but it likely inhibits the viruses replicating mechanism in some way. Dr Head said: ‘Ivermectin is a widely used medicine, often used to treat many infections such as scabies.

‘There is a huge amount of research ongoing looking at whether we can repurpose existing drugs as anti-virals to treat COVID-19 cases. This new interesting study show Ivermectin has shown some effectiveness against the novel coronavirus in the laboratory setting.


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‘However, there is a huge difference between laboratory studies, and safety and effectiveness in patients, and so we should be cautious about reading too much into these preliminary results.

‘It is likely most of the existing medicines being tested already will not end up being useful for treating patients against COVID-19.’

Remdesivir, chloroquine and favipiravir are just some of the drugs being investigated in a bid to find a cure to the killer coronavirus.





5 thoughts on “Coronavirus: Australian Scientists Find Drug That ‘Completely Stops’ COVID-19 From Replicating

  1. Pingback: Coronavirus: Australian Scientists Find Drug That ‘Completely Stops’ COVID-19 From Replicating via /r/economy | Chet Wang

  2. Tom

    Isn’t ribavirin effective for COVID-19? I have used to cure flus as needed for decades and most recently in early March 2020 when it might have been a COVID-19 infection. In my experience, to be effective it must be taken shortly after flu onset, that I diagnose by a newly appearing sore throat that persists more than a a couple of hours.

    Ribavirin used to be dirt cheap over a decade ago before it was FDA approved for treating hepatitis C, so it must actually be relatively inexpensive to manufacture. The Life Extension Foundation LEF( in Florida, USA has recommended ribavirin on their short list of essential medicines for years.

    Like

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