ANTIVIRAL PHARMACEUTICAL COMPOSITION COMPRISING FAVIPIRAVIR AND AMINO ACID, MEDICAMENT CONTAINING SAME, AS WELL AS USE THEREOF FOR TREATMENT AND/OR PREVENTION OF VIRAL INFECTIONS Russian patent published in 2025 - IPC A61K31/4965 A61K31/195 A61K47/18 A61K9/08 A61K9/19 A61P31/12 A61P31/14 

FIELD: medicine; chemistry; pharmaceutics.

SUBSTANCE: group of inventions relates to the field of chemical-pharmaceutical industry and medicine and relates to a pharmaceutical composition and a drug exhibiting preventive and/or therapeutic antiviral activity, and use thereof. Pharmaceutical composition contains, in therapeutically effective amounts, favipiravir in the form of a free base and at least one pharmaceutically acceptable salt of a proteinogenic amino acid in weight ratio of favipiravir to an amino acid equal to 1.0:0.1–1.0:1.1, respectively. Medicinal agent contains said pharmaceutical composition and at least one pharmaceutically acceptable excipient. Also presented is using the above pharmaceutical composition for preparing a drug exhibiting preventive and/or therapeutic antiviral activity.

EFFECT: group of inventions widens the range of antiviral agents, the pharmaceutical composition and drug described above have high antiviral activity and have improved stability as compared to formulations containing favipiravir salts.

57 cl, 2 tbl, 4 ex