Evaluation of the antiviral activity of benzydamine hydrochloride and its finished dosage form Tantum® Verde against herpes simplex virus types 1 and 2


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Abstract

Background. Herpes simplex viruses (HSV) types 1 and 2 are widespread in the human population and can cause a number of conditions in the human body, ranging from asymptomatic to severe generalized forms of the disease. Objective. Evaluation of the antiviral activity of benzydamine hydrochloride in an experimental model of herpesvirus infection in vitro. Methods. Evaluation of the antiviral activity of benzydamine hydrochloride was carried out on a model of herpesvirus infection caused by HSV types 1 and 2 in a VERO-B cell culture using virological and statistical research methods. Results. It was found that the use of benzydamine hydrochloride according to the therapeutic scheme (one hour after the adsorption of the virus) led to a decrease in the infectious activity of HSV-1 by 1.5-3.6 lg TCD50, and the infectious activity of HSV-2 by 1.5-3.06 lg TCD50 compared with the activity of control test viruses. The maximum statistically significant inhibitory effect in relation to HSV-1 and -2 was detected when using the drug at a concentration of 62.5 pg/ml; the inhibition coefficient in relation to HSV-1 and -2 was 60 and 54.45%, respectively. Conclusion. As a result of the study, it was established that benzydamine hydrochloride has therapeutic activity against herpesvirus infection caused by widespread pathogens - HSV-1 and -2 in vitro, during the early period of viral replication. The antiviral activity of the drug is dose-dependent.

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About the authors

Lyudmila M. Alimbarova

Gamaleya National Research Center for Epidemiology and Microbiology

Email: virology@mail.ru
Cand. Sci. (Med.) Associate Professor, Leading Researcher at the Laboratory of Comparative Virology with the Russian Herpes Center 18, Gamaleya str., Moscow 123098, Russian Federation

I. V Kukes

Angelini Pharma Rus LLC

Medical Department Moscow, Russia

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