2021, Number 2
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Rev Latin Infect Pediatr 2021; 34 (2)
Use of nitazoxanide in viral infections
Romero-Cabello R, Romero-Feregrino R, Romero-Feregrino R, Amancio CO
Language: Spanish
References: 26
Page: 94-99
PDF size: 172.94 Kb.
ABSTRACT
Nitazoxanide as of 2019 was shown to inhibit replication of Ebola virus and vesicular stomatitis, amplify host antiviral response, suppresses the production of proinflammatory cytokines in mononuclear cells, inhibits interleukin 6 (IL-6) synthesis, stimulates the innate immune system and attenuates the immune and inflammatory response. It has action against MERS-CoV and other coronaviruses, has antiviral activity against respiratory viruses influenza A and B and parainfluenza. Tizoxanide reaches effective inhibitory concentrations to produce its antiviral effect in different organs and in vitro activity against SARS-CoV-2, by amplification of antiviral interferon response, increases RIG-1 (cytoplasmic RNA sensor), GADD34 (protein induces DNA damage and growth arrest), PKR (protein kinase R) and effectors MAVS, interferons and multiple ISGs (interferon stimulator genes). In addition to inhibiting the production of proinflammatory cytokines. A decrease in SAR-CoV-2 viral load and improvement of clinical manifestations in cases of COVID-19 was observed with nitazoxanide.
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