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Key clinical point: A single subcutaneous dose of the antibody cocktail REGEN-COV (casirivimab plus imdevimab) is effective in preventing symptomatic and asymptomatic infection in household contacts of COVID-19-positive individuals.
Major finding: The antibody cocktail group developed fewer symptomatic SARS-CoV-2 infections than the placebo group (relative risk reduction, 81.4%). The antibody cocktail effectively prevented symptomatic and asymptomatic infections overall (relative risk reduction, 66.4%).
Study details: In a randomized, double-blind, placebo-controlled trial, unaffected household members (age, 12 years or older) of individuals testing positive for SARS-CoV-2 received either the antibody cocktail (n=753) or placebo (n=752).
Disclosures: The study was funded by Regeneron Pharmaceuticals, F. Hoffmann-LaRoche, and the National Institutes of Health. Several authors were employees and/or stockholders of Regeneron Pharmaceuticals.
Source: O'Brien MP et al. N Engl J Med. 2021 Aug 4. doi: 10.1056/NEJMoa2109682.
Key clinical point: A single subcutaneous dose of the antibody cocktail REGEN-COV (casirivimab plus imdevimab) is effective in preventing symptomatic and asymptomatic infection in household contacts of COVID-19-positive individuals.
Major finding: The antibody cocktail group developed fewer symptomatic SARS-CoV-2 infections than the placebo group (relative risk reduction, 81.4%). The antibody cocktail effectively prevented symptomatic and asymptomatic infections overall (relative risk reduction, 66.4%).
Study details: In a randomized, double-blind, placebo-controlled trial, unaffected household members (age, 12 years or older) of individuals testing positive for SARS-CoV-2 received either the antibody cocktail (n=753) or placebo (n=752).
Disclosures: The study was funded by Regeneron Pharmaceuticals, F. Hoffmann-LaRoche, and the National Institutes of Health. Several authors were employees and/or stockholders of Regeneron Pharmaceuticals.
Source: O'Brien MP et al. N Engl J Med. 2021 Aug 4. doi: 10.1056/NEJMoa2109682.
Key clinical point: A single subcutaneous dose of the antibody cocktail REGEN-COV (casirivimab plus imdevimab) is effective in preventing symptomatic and asymptomatic infection in household contacts of COVID-19-positive individuals.
Major finding: The antibody cocktail group developed fewer symptomatic SARS-CoV-2 infections than the placebo group (relative risk reduction, 81.4%). The antibody cocktail effectively prevented symptomatic and asymptomatic infections overall (relative risk reduction, 66.4%).
Study details: In a randomized, double-blind, placebo-controlled trial, unaffected household members (age, 12 years or older) of individuals testing positive for SARS-CoV-2 received either the antibody cocktail (n=753) or placebo (n=752).
Disclosures: The study was funded by Regeneron Pharmaceuticals, F. Hoffmann-LaRoche, and the National Institutes of Health. Several authors were employees and/or stockholders of Regeneron Pharmaceuticals.
Source: O'Brien MP et al. N Engl J Med. 2021 Aug 4. doi: 10.1056/NEJMoa2109682.