PHARMACEUTICAL COMPOSITION FOR PAIN MANAGEMENT Russian patent published in 2015 - IPC A61K9/08 A61K31/728 A61P19/02 A61P29/00 

FIELD: medicine, pharmaceutics.

SUBSTANCE: invention refers to pharmaceutical industry and represents a pharmaceutical composition for control of pain accompanying individual's joint diseases containing hyaluronic acid, which is cross-linked by cycling a double bond in a group of cinnamic acid in partially amidated hyaluronic acid presented by formula (1) to form a cyclobutane cycle, wherein in the above formula, Ar represents a phenyl group, n is equal to an integer 2 or 3; HA represents a carboxy residue of hyaluronic acid, and m represents a relation of amidation of hyaluronic acid to all the carboxyl groups and is equal to 3-50% in relation to all the carboxyl groups, and a pharmaceutically acceptable carrier, wherein the pharmaceutical composition represents a product for injection, wherein the pharmaceutical composition represents the product for injection, wherein the amount of the cross-linked hyaluronic acid makes 1 wt % at the total amount of the product for injection, wherein a single dose of the product for injection makes 2-3 ml, wherein the pharmaceutical composition represents a single-use preparation, which is administered every 13 weeks and more.

EFFECT: invention provides the extremely long analgesic action after the single administration, earlier onset of the analgesic action.

15 cl, 1 dwg, 5 tbl, 1 ex