TRANSCUTANEOUS ABSORPTION PREPARATION CONTAINING STABILIZED DONEPEZIL Russian patent published in 2024 - IPC A61K9/70 A61K31/445 A61K47/20 A61P25/28 

Abstract RU 2814017 C2

FIELD: medicine.

SUBSTANCE: invention relates to a donepezil-containing transdermal absorption preparation for the treatment of dementia. More particularly, the invention relates to a transdermal absorption preparation for the treatment of dementia, comprising a support layer, a drug-containing layer and a release layer, wherein the drug-containing layer contains donepezil or a pharmaceutically acceptable salt thereof as an active ingredient; a metal thiocyanate salt (preferably a potassium salt) or dimethylthiourea as a stabilizer; and pressure sensitive adhesive.

EFFECT: invention provides a transdermal absorption formulation for the treatment of dementia with reduced formation of donepezil impurities.

2 cl, 7 tbl

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RU 2 814 017 C2

Authors

Dzhang, Sun-Vu

Shin, Chang-Jell

Kim, Khae-Sun

Cha, Kvang-Kho

Kim, Khiun-Dzhung

Goto, Masaoki

Dates

2024-02-21Published

2019-09-05Filed