UV STABLE TRANSDERMAL THERAPEUTIC PLASTER WITH A UV ABSORBING ADHESIVE LAYER SEPARATED FROM THE DRUG MATRIX

• Main Authors: KAFFL HUBERT, INGWERSEN JAN-PETER, SUESSE MANFRED, SCHENK DIRK, SCHUMACHER JOCHEN, LANGGUTH THOMAS, DITTGEN MICHAEL, MLETZKO STEPHAN
• Format: Patent
• Language: English
• Published: 29.08.2013
• Subjects: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES

The invention relates to a UV stable transdermal therapeutic system (TTS) consisting of a back layer, at least one matrix containing an active substance and optionally, a withdrawal film and an UV-radiation absorber. An adhesive layer containing said UV-radiation absorber is arranged between the back layer and the matrix containing an active substance which is distant as much as possible from a surface, a separation layer is arranged between the adhesive layer containing said UV-radiation absorber and the matrix containing an active substance, which is as remote as possible from the surface which is impermeable to the active substance and UV-radiation absorber. The inventive transdermal therapeutic system exhibits a high stability and is devoid of inconveniences of existing TTS containing a light-sensitive substance.