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Favipiravir: Pharmacokinetics and Concerns About Clinical Trials for 2019-nCoV Infection

Favipiravir: Pharmacokinetics and Concerns About Clinical Trials for 2019-nCoV Infection

Yin-Xiao Du, Xiao-Ping Chen

Clin Pharmacol Ther. 2020 Apr 4.

PMID: 32246834

Abstract:

An outbreak of 2019-nCoV infection has spread across the world. No specific antiviral drugs have been approved for the treatment of COVID-2019. In addition to the recommended antiviral drugs, such as interferon-ɑ, lopinavir/ritonavir, ribavirin, and chloroquine phosphate, some clinical trials focusing on virus RNA-dependent RNA polymerase (RdRp) inhibitors have been registered and initiated. Favipiravir, a purine nucleic acid analog and potent RdRp inhibitor approved for use in influenza, is also considered in several clinical trials. Herein, we summarized the pharmacokinetic characteristics of favipiravir and possible drug-drug interactions from the view of drug metabolism. We hope this will be helpful for the design of clinical trials for favipiravir in COVID-2019, as data regarding in vitro virus inhibition and efficacy in preclinical animal studies are still not available.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP50635-A	Chloroquine phosphate		50-63-5	Price

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