ArticleAMB Express2026
Anti-COVID-19 activity and simple HPLC method for concurrent detection of repurposed drugs in novel binary mixtures.
Article in AMB Express, 2026. 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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9 authors.
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Abstract
The discovery of a new antiviral drug specifically targeting SARS-CoV-2 would require considerable time and effort. Repositioning drugs that are already used for other viral infections is a valuable approach. Remdesivir is the first antiviral treatment approved by the Food and Drug Administration (FDA) for COVID-19. Nitazoxanide is a broad-spectrum anti-infective agent that has been suggested for repurposing in COVID-19 treatment. Recent research has demonstrated the synergistic anti-SARS-CoV-2 antiviral activity of Remdesivir when combined with Nitazoxanide. Moreover, Daclatasvir is an FDA-approved antiviral for managing chronic HCV infection, and its potential use in treating COVID-19 has been reported. Piroxicam is an FDA-approved anti-inflammatory with some clinical evidence supporting its application for COVID-19. There is no evidence for exploiting the anti-SARS-CoV-2 activity of Daclatasvir when combined with Piroxicam. We were able to demonstrate the enhanced anti-SARS-CoV-2 activity of the Remdesivir-Nitazoxanide and Daclatasvir-Piroxicam binary mixtures in Vero-E6 cells. In addition, we were able to develop a simple HPLC methodology for the concurrent determination of the two analytes of each binary mixture (Remdesivir-Nitazoxanide mixture and Daclatasvir-Piroxicam mixture) in both pure form and in human plasma using non-complicated, widely available analytical instruments. The proposed method is simple, accurate, quick, and sensitive. No drug interactions were observed in the tested binary mixtures.
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