Drug results: 3

ritonavir Ritonavir is a peptidomimetic inhibitor of the HIV-1 protease. Inhibition of HIV protease renders the enzyme incapable of processing the Gag-Pol polyprotein precursor which leads to production of non-infectious immature HIV particles. Nirmatrelvir plus ritonavir (Paxlovid) has been approved for the treatment and post-exposure prophylaxis of coronavirus disease 2019 (COVID-19).
lopinavir An HIV protease inhibitor used in a fixed-dose combination with RITONAVIR. It is also an inhibitor of CYTOCHROME P-450 CYP3A. There was some evidence of in vitro activity against SARS-CoV-2, but no clinical trial data was found to support use in the treatment of COVID-19.
nirmatrelvir Nirmatrelvir plus ritonavir (Paxlovid) is an antiviral therapeutic developed by Pfizer for the treatment and post-exposure prophylaxis of coronavirus disease 2019 (COVID-19). It received conditional approval by EMA, FDA and PMDA. Nirmatrelvir (PF-07321332) is a peptidomimetic inhibitor of the SARS-CoV-2 main protease (Mpro), also referred to as 3C-like protease (3CLpro) or nsp5 protease. Inhibition of the SARS-CoV-2 Mpro renders the protein incapable of processing polyprotein precursors which leads to the prevention of viral replication. Ritonavir inhibits the CYP3A-mediated metabolism of PF-07321332, thereby providing increased plasma concentrations of PF-07321332.

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