Nitto-Denko Corporation

Yuji Kawaharada

Katsuhiro Okada

Kazumitsu Yamamoto

Masato Nishimura

Yasuaki Okada

Hiroo Maeda

Masayasu Tanaka

The problem of the present invention is to provide a patch preparation containing a drug (excluding 2-(4-ethyl-1-piperazinyl)-4-(4-fluorophenyl)-5,6,7,8,9,10-hexahydrocycloocta[b]pyridine and a physiologically acceptable acid addition salt thereof), which is superior in both the skin permeability of a drug, and adhesiveness in the presence of water. A patch preparation containing a support and an adhesive layer on one surface of the support, wherein the adhesive layer contains a drug excluding 2-(4-ethyl-1-piperazinyl)-4-(4-fluorophenyl)-5,6,7,8,9,10-hexahydrocycloocta[b]pyridine and a physiologically acceptable acid addition salt thereof, an acrylic polymer, lactic acid and magnesium aluminometasilicate.

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Osaka, Japan

Yuji Kawaharada