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Combinatorial Chemistry & High Throughput Screening

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ISSN (Print): 1386-2073
ISSN (Online): 1875-5402

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Review Article

Favipiravir in SARS-CoV-2 Infection: Is it Worth it?

Author(s): Gaber El-Saber Batiha*, Mohamed Moubarak, Hazem M. Shaheen, Ali M. Zakariya, Ibe M. Usman, Abdur Rauf, Achyut Adhikari, Abhijit Dey, Athanasios Alexiou*, Helal F. Hetta, Ali I. Al-Gareeb and Hayder M. Al-kuraishy

Volume 25, Issue 14, 2022

Published on: 17 June, 2022

Page: [2413 - 2428] Pages: 16

DOI: 10.2174/1386207325666220414111840

Price: $65

Abstract

Favipiravir is a potential antiviral drug undergoing clinical trials to manage various viral infections, including severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Favipiravir possesses antiviral properties against RNA viruses, including SARS-CoV-2. Unfortunately, these viruses do not have authorized antiviral drugs for the management of diseases resulting from their infection, hence the dire need to accentuate the discovery of antiviral drugs that are efficacious and have a broad spectrum. Favipiravir acts primarily by blocking inward and outward movements of the virus from cells. Favipiravir is a prodrug undergoing intracellular phosphorylation and ribosylation to form an active form, favipiravir-RTP, which binds viral RNA-dependent RNA polymerase (RdRp). Considering the novel mechanism of favipiravir action, especially in managing viral infections, it is vital to pay more attention to the promised favipiravir hold in the management of SARS-CoV-2, its efficacy, and dosage regimen, and interactions with other drugs.

In conclusion, favipiravir possesses antiviral properties against RNA viruses, including COVID- 19. Favipiravir is effective against SARS-CoV-2 infection through inhibition of RdRp. Pre-clinical and large-scalp prospective studies are recommended for efficacy and long-term safety of favipiravir in COVID-19.

Keywords: Favipiravir, Covid-19, RNA-dependent RNA polymerase, viral genome, influenza, phosphorylation.

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Graphical Abstract

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