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. 2023 Aug 16;6(9):1248–1265. doi: 10.1021/acsptsci.3c00121

Table 3. List of Fully FDA-Approved and FDA-Issued Emergency Use Authorization (EUA) Anti-COVID-19 Drugs, along with Some of Their Characteristics Including Mechanism of Action, Approval/Withdrawal History, and Clinical Indications.

no. drug name medication type mechanism of action FDA-approval or withdrawal date indication
monoclonal antibodies
1 Anakinra (Kineret) recombinant human interleukin-1 (IL-1) receptor antagonist competitive binding to the IL-1 receptor and subsequently reducing the inflammatory responses EUA in November 2022 Treatment of hospitalized COVID-19 patients with pneumonia requiring supplemental oxygen who are at risk of progression to severe respiratory failure.
2 Bamlanivimab neutralizing human IgG1κ monoclonal antibody disrupting the surface spike (S) protein of SARS-CoV-2 by binding to the receptor binding domain (RBD) of the S protein at a position that overlaps the ACE2 binding site EUA in November 2020. Bamlanivimab is used in combination with etesevimab to treat mild to moderate COVID-19 in adults and pediatric patients and also in younger children (including newborns), who are at high risk for progressing to severe COVID-19.
FDA revokes EUA for Bamlanivimab when administered alone to treat COVID-19 in April 2021.
EUA in February 2021 for the administration of bamlanivimab in combination with etesevimab.
3 Bebtelovimab human IgG1κ monoclonal antibody inhibition of spike (S) protein interaction with ACE2 and disrupting the viral entry into human cells EUA in February 2022 mild-to-moderate COVID-19 patients
drug withdrawal: November 2022 The EUA was officially withdrawn due to a lack of efficacy against Omicron subvariants.
5 Etesevimab human and recombinant monoclonal antibody disrupting the surface spike (S) protein of SARS-CoV-2 and neutralizing the virus by specifically binding to the S protein receptor binding domain EUA in February 2021, in combination with bamlanivimab Etesevimab is used in combination with bamlanivimab for postexposure prophylaxis of COVID-19 and to treat mild to moderate COVID-19 in adults and pediatric patients and also in younger children (including newborns), who are at high risk for progressing to severe COVID-19.
6 Evusheld (Tixagevimab + Cilgavimab) co-packaged the two human monoclonal antibodies tixagevimab and cilgavimab targeted against the surface SARS-CoV-2 spike (S) protein and disrupting the viral entry into human cells EUA in December 2021 For the pre-exposure prophylaxis of COVID-19 in adult and pediatric patients aged 12 years and older weighing at least 40 kg, and at increased risk for whom vaccination is not recommended
drug withdrawal: January 2023 The FDA revised and withdrew the EUA for Evusheld against SARS-CoV-2 in January 2023
9 REGN-COV2 a combination of the antibodies casirivimab and imdevimab REGN-COV2 was obtained from some humanized mice as well as blood samples from recovered COVID-19 patients and was formulated to bind to different sites on the SARS-COV-2 spike protein. EUA in November 2020 Treatment of patients with mild to moderate COVID-19 aged 12 years or older and weighing at least 40 kg, and who are at high risk of progression to severe COVID-19.
10 Sotrovimab recombinant human IgG1κ monoclonal antibody attaching to the SARS-CoV-2 spike (S) protein and disrupting the endocytosis process EUA in May 2021 For the treatment of mild-to-moderate COVID-19 (especially in patients at increased risk for death or hospitalization).
drug withdrawal: April 2022 The FDA withdrew the EUA of sotrovimab against SARS-CoV-2 due to lack of efficacy against the Omicron variant.
11 Tocilizumab (Actemra) recombinant humanized monoclonal antibody binding to soluble and membrane-bound IL-6 receptors and then inhibiting IL-6-induced inflammation fully approved in December 2022 Treatment of adults COVID-19 patients receiving systemic corticosteroids and supplemental oxygen or mechanical ventilation.
small molecules
4 Baricitinib pyrrolopyrimidine-based small molecule suppressing the activity of Janus kinase (JAK) proteins (especially JAK1 and JAK2) and modulating the signaling pathway of interleukins, interferons and various growth factors EUA in combination with remdesivir in November 2020 Treatment of adults hospitalized COVID-19 patients requiring supplemental oxygen, invasive/noninvasive mechanical ventilation, or extracorporeal membrane oxygenation.
fully approved in May 2022
7 Paxlovid a copackaged medication containing two peptidomimetic molecules nirmatrelvir and ritonavir Nirmatrelvir inhibits the SARS-CoV-2 3C-like protease (3CLpro), but ritonavir acts as a pharmacokinetic enhancer and increases the duration of Nirmatrelvir’s activity by inhibiting cytochrome P450 3A4 EUA in December 2021 Treatment of adults and pediatric patients (12 years of age and older weighing at least 40 kg) COVID-19 patients with the mild-to-moderate condition, and who are at high risk for progression to severe disease.
8 Remdesivir nucleoside-based molecule impairing the function of viral RdRp enzyme EUA in May 2020 Treatment of adult and pediatric (28 days of age and older and weighing at least 3 kg) COVID-19 patients requiring hospitalization, and also for nonhospitalized patients who are at high risk for progression to severe COVID-19.
fully approved in October 2020
12 Molnupiravir isopropylester cytidine analog (prodrug of N4-hydroxycytidine) in the physiological environment, this compound is hydrolyzed to N4-hydroxycytidine and then becomes the phosphorylated 5′-triphosphate (active form), increasing the frequency of viral RNA mutations and impairs SARS-CoV-2 replication by disrupting RdRp activity. EUA in December 2021 Reducing the risk of hospitalization and death and treatment of mild to moderate adult COVID-19 patients with an increased risk of severe disease.