FIELD: medicine.
SUBSTANCE: group of inventions refers to medicine and relates to the preoral delivery system of a protein substance from a liposome, incorporated into the particles of a cross-linked natural polysaccharide selected from a cross-linked polyvalent metal pectin and a cross-linked polyanion of chitosan. Group of inventions also relates to the protective coating of said oral delivery system.
EFFECT: group of inventions provides increased bioavailability of a drug substance of a protein nature.
16 cl, 17 dwg, 15 ex, 2 tbl
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