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Molnupiravir: UK Becomes First Country To Approve ‘Game-Changing’ COVID-19 Pill

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Health Secretary Sajid Javid calls it a “historic day for our country” and a “gamechanger for the most vulnerable and the immunosuppressed”. The first pill designed to treat symptomatic Covid has been approved by the UK medicines regulator.

The tablet – molnupiravir – will be given twice a day to vulnerable patients recently diagnosed with the disease.

In clinical trials the pill, originally developed to treat flu, cut the risk of hospitalisation or death by about half.

Health Secretary Sajid Javid said the treatment was a “gamechanger” for the most frail and immunosuppressed.

In a statement he said: “Today is a historic day for our country, as the UK is now the first country in the world to approve an antiviral that can be taken at home for Covid.”

Molnupiravir
Molnupiravir

First oral treatment

Molnupiravir, developed by the US drug companies Merck, Sharp and Dohme (MSD) and Ridgeback Biotherapeutics, is the first antiviral medication for Covid which can be taken as a pill rather than injected or given intravenously.

The UK has agreed to purchase 480,000 courses with the first deliveries expected in November.

Initially it will be given to both vaccinated and unvaccinated patients through a national study, with extra data on its effectiveness collected before any decision to order more.

The drug needs to be given within five days of symptoms developing to be most effective.

It’s not immediately clear how it will be distributed so quickly by the NHS. It’s thought some care homes may be offered supplies while other elderly or vulnerable patients may be prescribed it by their GP after testing positive for Covid.

The new treatment targets an enzyme that the virus uses to make copies of itself, introducing errors into its genetic code. That should prevent it from multiplying, so keeping virus levels low in the body and reducing the severity of the disease.

Merck said that approach should make the treatment equally effective against new variants of the virus as it evolves in the future.

Prof Penny Ward, from King’s College London, who was not involved in the study, said: “If these outcomes are replicated in the UK population, then the number of cases requiring hospital admission could be halved and the number of deaths greatly reduced.

“It seems likely that it will be restricted for use by those at highest risk of disease complications – for example older adults with heart, lung or kidney disease, diabetes or cancer.”

Other countries including Australia, Singapore and South Korea have also made purchase agreements.

Merck is the first company to report trial results of a pill to treat Covid, but other companies are working on similar treatments.

Its US rival Pfizer has started trials of two different antiviral tablets, while Swiss company Roche is working on a similar medication.

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