METHOD FOR PREPARING THERAPEUTIC HYDROGEL Russian patent published in 2014 - IPC A61K9/10 A61K31/734 A61K45/06 A61P11/04 A61P15/02 A61P37/04 

FIELD: medicine, pharmaceutics.

SUBSTANCE: invention refers to medicine, namely to a method for preparing a therapeutic hydrogel material involving mixing an aqueous solution of sodium alginate and a drug preparation, dispersing a cross-linking agent that is presented by calcium sulphate in glycerol in the concentration of 0.8-2.5%, mixing the dispersion with the prepared mixture of sodium alginate with the drug preparation in ratio 1-2:4-6, placing the prepared product into a tiling pattern and keeping it till form-stable, conducting gamma sterilisation; the formation process involves the mechanical stability measurements with the diametral compression of the formed hydrogel; the hydrogel is considered to be formed once a thickness of the formed hydrogel varies with the diametral compression by 10-30%.

EFFECT: invention provides the wider medical variation of the drug concentrations, preparing high-thixotropy soft hydrogel materials (tablets) easy to administer, including through rectum, preparing the materials that preserve its all their physical-technical and mechanical properties after the gamma sterilisation along with the sterility.

4 cl, 10 ex