Patent ID: 7390500
Filing Date: 2008-06-24
Classification: A61K,A61P

Abstract:
1. A transdermal therapeutic system (TTS) containing an active substance having increased security against overdose of the active substance comprising an active substance impermeable backing layer, an active substance layer, the active substance being fentanyl and/or a fentanyl analog derivative and/or a salt of fentanyl and/or a salt of a fentanyl analog derivative, where said active substance layer comprises a polymer or a polymer mixture with microreservoirs dispersed therein, wherein the active substance is dissolved in the microreservoirs and a membrane layer following the skin side comprised of an ethylene-vinyl acetate copolymer or a polyethylene or polypropylene microporous film; optionally a subsequent adhesive layer and a protective layer, which is removed before use.