AstraZeneca antibody drug works to prevent COVID-19 in longer-term studies By Reuters

© Reuters. FILE PHOTO: Vials labelled “Astra Zeneca COVID-19 Coronavirus Vaccine” and a syringe are seen in front of a displayed AstraZeneca logo, in this illustration photo taken March 14, 2021. REUTERS/Dado Ruvic

(Reuters) -AstraZeneca said on Thursday its COVID-19 antibody drug was 83% effective in cutting the risk of people contracting symptomatic illness in a six-month follow-up study, cementing the drugmaker’s lead in developing preventative coronavirus treatments.

The Anglo-Swedish company said a separate study in patients with mild-to-moderate COVID-19 showed that a higher dose of the therapy, AZD7442, cut the risk of symptoms worsening by 88% when given within three days of first symptoms.

The latest round of positive results potentially position AstraZeneca (NASDAQ:) as a rare supplier of both COVID-19 vaccines and treatments, with the drugmaker having said the therapy’s “real advantage” was as a preventative shot, rather than as a treatment.

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