Thursday, April 15, 2021

Antibody cocktail ‘rapidly’ prevents and treats COVID, study finds. Here’s how


New results from a multi-stage clinical trial show that a cocktail of special antibodies can  reduce risks of developing symptomatic COVID-19 by 81% if someone is not already infected with the virus.

Idaho Statesman

 And for those who still get infected, the drug can help clear the virus from their bodies faster and shorten the duration of their symptoms.

A separate trial found that the cocktail, called REGEN-COV, is also able to reduce people’s chances of developing coronavirus symptoms if dealing with an asymptomatic infection by 76% after three days, the American biotechnology company Regeneron announced Monday.

The cocktail was given emergency-use authorization by the Food and Drug Administration in November, and is currently being used to treat mild to moderate COVID-19 in adults and children at least 12 years old who face high risks for severe disease and who are not hospitalized; it was the same drug given to former President Donald Trump when he tested positive for coronavirus in October.

Researchers say these antibodies can help protect people from infection and disease alongside vaccinations, and may be particularly useful for those waiting to get their shots or for those with compromised immune systems who may not respond well to vaccines.

Participants in the late-stage trial were enrolled only if they didn’t have any COVID-19 symptoms, didn’t have coronavirus antibodies and lived with someone who tested positive within the past four days. People that tested negative were assigned to the “prevention trial” (1,505) and those who tested positive were put in the “treatment trial” (204).

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