CPC A61K 9/7053 (2013.01) [A61K 31/445 (2013.01); A61K 47/20 (2013.01)] | 5 Claims |
1. A percutaneous absorption preparation comprising a support layer, a drug-containing layer, and a release layer, wherein: the drug-containing layer comprises donepezil or a pharmaceutically acceptable salt thereof as an active ingredient, and a stabilizer selected from the group consisting of thiocyanate metal salt and dimethylthiourea, wherein a range of weight percentage of the stabilizer is from 0.0005% wt to 5% wt.
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