Umifenovir is a potent, orally active broad-spectrum antiviral agent with activity against a number of enveloped and non-enveloped viruses. Umifenovir is used as an anti-influenza virus agent. Umifenovir could effectively inhibit the fusion of virus with host cells. Umifenovir is an efficient inhibitor of SARS-CoV-2 in vitro. Umifenovir shows anti-inflammatory activity.
Umifenovir exhibits a wide range and potent antiviral activity against a number of viruses including influenza viruses A, B and C, respiratory syncytial virus, SARS-CoV, adenovirus, parainfluenza type 5, poliovirus 1, rhinovirus 14, coxsackievirus B5, hantaan virus, Chikungunya virus, HBV and HCV[1].
Umifenovir (25 and 45 mg/ml; p.o.) shows a survival benefit to mice suffering from influenza infection[3].