FDA and Health Canada recently approved Paxlovid as an oral treatment option for mild-to-moderate COVID-19 who are at high risk of progression to severe COVID-19. It is a combination drug containing nirmatrelvir/ritonavir. Nirmatrelvir works by binding to SARS-CoV-2 3CL protease to ultimately stop viral replication. Ritonavir does not have any antiviral activity against COVID-19 but increases concentrations of nirmatrelvir by decreasing its metabolism by CYP3A4 enzyme. Ritonavir is …
Post Author: Param Patel, PharmD
Param Patel is a pharmacist.
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