In vivo activity of Sotrovimab against BQ.1.1 Omicron sublineage
biorxiv(2023)
摘要
The successive emergence of SARS-CoV-2 Omicron variants has completely changed the modalities of use of therapeutic monoclonal antibodies. Recent in vitro studies indicated that only Sotrovimab has maintained partial activity against BQ.1.1, a sub-variant of BA.5 that is spreading in the USA and Europe. In the present study, we used the hamster model to determine whether Sotrovimab retains antiviral activity against BQ.1.1 in vivo. Our results show that at exposures consistent with those observed in humans, Sotrovimab remains active against BQ.1.1 variant, although at a lower level than that observed against the first globally dominant BA.1 and BA.2 Omicron sublineages.
### Competing Interest Statement
The authors have declared no competing interest.
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