AstraZeneca’s Evusheld offered strong protection against COVID-19 in Phase 3 study

In the Phase 3 Provent trial, Evusheld (AZD442) cut the risk of developing symptomatic COVID-19 by 77% in the primary analysis focused on patients at high risk for severe COVID-19. The monoclonal antibody cocktail, including tixagevimab and cilgavimab cut the risk by 83% in the six-month follow-up analysis compared to placebo. 

The drug is currently authorized for emergency use for pre-exposure prophylaxis of COVID-19. 

Evusheld won a EUA in December 2021.

The adults enrolled in the trial had an inadequate response to COVID-19 vaccination, an elevated risk of exposure to SARS-CoV-2 or both. Subjects were either obese, immunocompromised, had pre-existing health conditions such as heart failure or chronic kidney disease, or were 60 years of age or older. 

After receiving a single 300 mg intramuscular dose of Evusheld, concentrations of the drug remained elevated for six months after administration, according to a pharmacokinetic analysis. 

Th…

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