ADHESIVE PATCH DRUG FORMULATION OF TRANSDERMAL ABSORPTION TYPE CONTAINING MEMANTINE

摘要

The purpose of the present invention is to provide an adhesive patch drug formulation containing memantine or a pharmaceutically acceptable salt thereof, adhesive patch drug keeping sublimation of the memantine during manufacture may to a sufficiently low level, and minimizing diminished adhesion to the skin due to crystal precipitation of the drug. Provided is an adhesive patch drug formulation of transdermal absorption type comprising a support, a drug-containing layer, and a release layer, wherein the adhesive patch drug formulation of transdermal absorption type is characterized in that the drug-containing layer contains containing memantine or a pharmaceutically acceptable salt thereof, and an organic acid.