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[Favipiravir, a new concept of antiviral drug against influenza viruses].

[Favipiravir, a new concept of antiviral drug against influenza viruses].
Author Information (click to view)

Reina J, Reina N,


Reina J, Reina N, (click to view)

Reina J, Reina N,

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Revista espanola de quimioterapia : publicacion oficial de la Sociedad Espanola de Quimioterapia 2017 02 08() pii

Abstract

Favipiravir (T-705) is a new antiviral drug with strong inhibitory activity on RNA-dependent RNA polymerase of most RNA virus genome. All the influenza viruses have been shown fully sensitive to this new antiviral, including genetic strains to neuraminidase inhibitors (oseltamivir) resistance. Its mechanism of action lies in blocking viral replication and induction of lethal mutagenesis which determines the loss of infective activity of influenza viruses. Its activity is particularly intense in the respiratory tract, decreasing the viral load to non-infectious levels. Clinical trials in humans have not yet completed but have very favourable results. It seems that the best therapy would be the combination of favipiravir with oseltamivir; both antivirals are synergistic and avoid the emergence of resistance.

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