PATCH CONTAINING ISOSORBIDE DINITRATE AND PREPARED BY USING ADHESIVE MIXTURE

摘要

The present invention provides an ISDN-containing patch that causes minimal occurrence of skin rash and has excellent percutaneous absorption and adhesive strength. The present invention discloses an isosorbide dinitrate-containing patch comprising: an adhesive layer formed on a flexible support, wherein said layer comprises an adhesive composition containing adhesive and isosorbide dinitrate, the adhesive being composed of silicone-based adhesive (A) and polyvinyl acetate-based adhesive (B), their weight ratio being A:B = 85:15 to 15:85, and the weight ratio of isosorbide dinitrate (C) to the adhesives (A+B) being (A+B):C = 90:10 to 60:40.