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0 0.5 1 1.5 2+ Further treatment inclu.. 58% Improvement Relative Risk c19regn.com Kakinoki et al. Casirivimab/i.. for COVID-19 EARLY Favors casirivimab/im.. Favors control
Kakinoki, 108 patient casirivimab/imdevimab early treatment study: 58% lower progression [p=0.05] https://c19p.org/kakinoki
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Impact of Antibody Cocktail Therapy Combined with Casirivimab and Imdevimab on Clinical Outcome for Covid-19 patients in A Real-Life Setting: A Single Institute Analysis
Kakinoki et al., International Journal of Infectious Diseases, doi:10.1016/j.ijid.2022.01.067 (preprint 11/4/2021)
4 Nov 2021    Source   PDF   Share   Tweet
Retrospective 55 patients in Japan treated a median of 3 days from symptom onset with casirivimab/imdevimab, and 53 control patients, showing lower risk of further treatment including oxygen or antivirals.
Efficacy is variant dependent. Unlikely to be effective for omicron [Liu, Sheward, Tatham, VanBlargan].
risk of further treatment including oxygen or antivirals, 57.6% lower, RR 0.42, p = 0.049, treatment 13 of 55 (23.6%), control 22 of 53 (41.5%), NNT 5.6, adjusted per study, odds ratio converted to relative risk, multivariable.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Kakinoki et al., 11/4/2021, retrospective, Japan, Asia, peer-reviewed, 16 authors, average treatment delay 3.0 days.
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