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Modern therapy of infections caused by alpha-herpesviruses is based on drugs belonging to the class of modified nucleosides (acyclovir) and their metabolic progenitors - valine ester of acyclovir and famciclovir (prodrug of penciclovir). The biological activity of these compounds is determined by the similarity of their structure to natural nucleosides: modified nucleosides compete with natural nucleosides for binding to DNA-polymerase and, due to their structural features, inhibit its activity. However, the emergence of variants of viruses resistant to the antiviral drugs available in the arsenal of modern medicine necessitates the search for new compounds able of effectively inhibiting the reproduction of viruses. These compounds should be harmless to the macroorganisms, convenient to use, and overcoming the drug resistance barrier in viruses. The search for literature in international databases (PubMed, MedLine, RINC, etc.) in order to obtain information on promising developments that open new possibilities for treating herpesvirus infection and subsequent analysis of the collected data made it possible to determine not only the main trends in the search for new antiviral agents, but also to provide information on the compounds most promising for the development of anti-herpesvirus drugs.

About the authors

V. L. Andronova

National Research Center for Epidemiology and Microbiology named after the honorary academician N.F. Gamaleya

Author for correspondence.
Russian Federation


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