Antiviral Drug Shows Promise Against MERS Coronavirus

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  • Published: 20 February 2020
  • Copyright: Wiley-VCH Verlag GmbH & Co. KGaA
  • Source / Publisher: PNAS/U.S. National Academy of Sciences
thumbnail image: Antiviral Drug Shows Promise Against MERS Coronavirus

Middle East Respiratory Syndrome (MERS) is caused by a coronavirus and was first reported in 2012. Its high fatality rate means that there is an urgent need for effective antiviral treatments. These treatments could potentially also be useful in the fight against the current coronavirus disease Covid-19.

Emmie de Wit, National Institute of Allergy and Infectious Diseases, National Institute Of Health (NIH), Hamilton, MT, USA, and colleagues have tested whether the antiviral drug remdesivir (pictured) could be used to treat MERS. Remdesivir is a nucleotide prodrug that shows a broad activity against different families of viruses. The team investigated the use of the drug for the prophylaxis and therapy of MERS in a monkey model (rhesus macaques). The monkeys were divided into groups and treated with either remdesivir or a control solution without the active substance, either before or after infection with the MERS coronavirus.

The researchers found that prophylactic treatment with remdesivir prevented the outbreak of the disease. Treatment after the infection reduced the severity of the symptoms, including lung damage, and shortened the disease. The drug inhibits the replication of the virus, which is consistent with previous work showing that remdesivir inhibits the replication of a wide range of coronaviruses.

Due to these promising results and the previous use of remdesivir in humans to treat Ebola, the team suggests testing remdesivir treatment of MERS in a clinical trial. According to the researchers, the work also indicates that the drug could be useful for treating Covid-19.

Also of Interest


  • LitCovid
    Curated literature hub for tracking up-to-date scientific information about COVID-19
  • Many publishers and other entities have signed a joint statement to ensure that COVID-19 research findings and data are shared rapidly and openly



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