摘要 |
A transdermal therapeutic system (TTS) with a content of at least one active substance from the group of the carboxyl group-containing non-steroidal antirheumatics, which has a backing layer ( 1 ), an active substance-containing matrix layer ( 2 ) and a detachable protective layer ( 3 ), is characterized by a matrix layer ( 2 ) based on a carboxyl group-containing polyacrylate pressure-sensitive adhesive, which matrix layer ( 2 ) has a content of oleic acid and potassium ions, with the constituent amount of the potassium ions being in the range of from 5 to 50%, relative to the equivalent weight of the sum of all carboxyl group-containing matrix components. |