发明名称 SLOW-RELEASE MATRIX PREPARATION CONTAINING BASE AGENT OR ITS SALT AND METHOD FOR MAKING THEREOF
摘要 FIELD: medicine, pharmaceutics. ^ SUBSTANCE: invention concerns medicine and pharmacology, more specifically, drug preparation. There is offered a slow-release matrix composition containing donepezil hydrochloride and/or memantine hydrochloride; an intestine-soluble polymer at least the one chosen from the group consisting of a methacrylic acid copolymer - ethyl acrylate, a methacrylic acid copolymer - methyl acrylate, hydroxypropyl methylcellulose phthalate and hydroxypropyl methylcellulose succinate acetate; and a water-insoluble polymer at least the one chosen from the group consisting from ethylcellulose, an aminoalkylmethacrylate RS copolymer and an ethyl acrylate - methyl acrylate copolymer. There is also offered a method for making said composition, including the stage of mixing donepezil hydrochloride and/or memantine hydrochloride, said intestine-soluble polymer and water-insoluble polymer; and the stage of compression moulding of the mixture prepared at the stage of mixing. ^ EFFECT: implementation of said composition and method provides slow release of the active substance in an organism. ^ 11 cl, 13 tbl, 51 ex, 9 dwg
申请公布号 RU2390354(C2) 申请公布日期 2010.05.27
申请号 RU20070128768 申请日期 2005.12.27
申请人 EHJSAJ AR EHND DI MENEDZHMENT KO., LTD. 发明人 UEKI JOSUKE;FUDZIOKA SATOSI
分类号 A61J3/10;A61K9/26;A61K31/445;A61K47/32 主分类号 A61J3/10
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