ANTIVIRAL PHARMACEUTICAL COMPOSITION CONTAINING FAVIPIRAVIR AND AMINO ACID, DRUG CONTAINING IT, AS WELL AS THEIR USE FOR TREATING AND/OR PREVENTING VIRAL INFECTIONS Russian patent published in 2024 - IPC A61K31/4965 A61K31/195 A61K47/18 A61K9/08 A61K9/19 A61P31/12 A61P31/14 

FIELD: chemical-pharmaceutical industry; medicine.

SUBSTANCE: group of inventions relates to a pharmaceutical composition and a medicinal agent exhibiting preventive and/or therapeutic antiviral activity, and use thereof. Pharmaceutical composition contains in therapeutically effective amounts favipiravir and at least one aliphatic mono- or diaminomonocarboxylic non-proteinogenic amino acid with weight ratio of favipiravir to amino acid 1.0:0.1–1.0:1.20 respectively. Medicinal agent contains the above pharmaceutical composition and at least one pharmaceutically acceptable excipient. Also disclosed is use of said pharmaceutical composition for preparing a drug exhibiting preventive and/or therapeutic antiviral activity.

EFFECT: group of inventions provides a wider range of antiviral agents, pharmaceutical composition and medicinal agent described above have improved processing characteristics, stability and bioavailability.

52 cl, 2 tbl, 4 ex