Transdermal therapeutic system, for local/systemic delivery of non-steroidal antiinflammatory agents, comprises a permeable, elastic water and air permeable backing layer and an impermeable two-phase drug-containing matrix layer

摘要

An occlusive transdermal therapeutic system (TTS), comprises an elastic, water vapor and air-permeable backing layer, a matrix layer containing active agent(s) (A) and a removable protective layer. The matrix layer comprises a water vapor and air-impermeable external phase in which a dispersed internal phase containing (A) is embedded.