ArticlemedRxiv : the preprint server for health sciences2021
Pharmacokinetic modelling to estimate intracellular favipiravir ribofuranosyl-5'-triphosphate exposure to support posology for SARS-CoV-2.
Article in medRxiv : the preprint server for health sciences, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
backgroundThe role of favipiravir as a treatment for COVID-19 is unclear, with discrepant activity against SARS-CoV-2
methodsPreviously published
results
conclusionThis modelling approach has several important limitations that are discussed in the main text of the manuscript. However, the simulations indicate that despite rapid clearance of the parent drug from plasma, sufficient intracellular FAVI-RTP may be maintained across the dosing interval because of its long intracellular half-life. Population average intracellular FAVI-RTP concentrations are estimated to maintain the Km for the SARS-CoV-2 polymerase for 3 days following 800 mg BID dosing and 9 days following 1200 mg BID dosing after a 1600 mg BID loading dose on day 1. Further evaluation of favipiravir as part of antiviral combinations for SARS-CoV-2 is warranted.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.