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Successful treatment of advanced Ebola virus infection with T-705 (favipiravir) in a small animal model

Open access
Oestereich, Lisa, Lüdtke, Anja, Wurr, Stephanie, Rieger, Toni, Muñoz-Fontela, César, Günther, Stephan·2014·Antiviral Research

Abstract

Outbreaks of Ebola hemorrhagic fever in sub-Saharan Africa are associated with case fatality rates of up to 90%. Currently, neither a vaccine nor an effective antiviral treatment is available for use in humans. Here, we evaluated the efficacy of the pyrazinecarboxamide derivative T-705 (favipiravir) against Zaire Ebola virus (EBOV) in vitro and in vivo. T-705 suppressed replication of Zaire EBOV in cell culture by 4log units with an IC90 of 110μM. Mice lacking the type I interferon receptor (IFNAR(-)(/)(-)) were used as in vivo model for Zaire EBOV-induced disease. Initiation of T-705 administration at day 6 post infection induced rapid virus clearance, reduced biochemical parameters of disease severity, and prevented a lethal outcome in 100% of the animals. The findings suggest that T-705 is a candidate for treatment of Ebola hemorrhagic fever.

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Metadata

Authors
Oestereich, L., Lüdtke, A., Wurr, S., Rieger, T., Muñoz-Fontela, C., & Günther, S.
Venue
Antiviral Research
Publisher
Elsevier BV
Published
2014-05
Volume
105
Pages
17-21
ISSN
0166-3542 (ISSN-L)
OpenAlex
W1971292277
Cited by
493
References
0
FWCI
46.51
Type
journal article
Language
en
Open access
hybrid

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Oestereich, L., Lüdtke, A., Wurr, S., Rieger, T., Muñoz-Fontela, C., & Günther, S. (2014). Successful treatment of advanced Ebola virus infection with T-705 (favipiravir) in a small animal model. Antiviral Research. https://doi.org/10.1016/j.antiviral.2014.02.014

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.