PMC:7195088 / 46225-47448 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7195088","sourcedb":"PMC","sourceid":"7195088","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7195088","text":"Other antiviral agents currently being investigated in RCT for the treatment of COVID-19 patients are favipiravir, an RNA-dependent RNA polymerase inhibitor with anti-influenza activity, and umifenovir, and anti-influenza membrane fusion inhibitor [29]. Even though these two agents attracted important media attention in the last few months, and even though there were some favourable preliminary results, especially for favipiravir, released as preprints, we advocate caution in using these agents outside investigational studies until completion of the standard peer-review processes of the first released trials. For example, in a recent RCT comparing 120 COVID-19 patients treated with favipiravir versus 120 COVID-19 patients receiving umifenovir, higher rates of clinical recovery were observed in patients receiving favipiravir, but it is of note that the all-cause mortality was 0 in the entire study population, making it uncertain whether, if confirmed, these favourable results may be extrapolated to relevant survival endpoints in critically ill COVID-19 patients [30]. Finally, antiviral activity against SARS-CoV-2 in vitro has been recently reported for ivermectin, but clinical data are still lacking 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