Transdermal therapeutic system having urea components

Details Transdermal therapeutic system having urea components Transdermal therapeutic system having urea components

A - Human Necessities

61

K

A61K 9/70 (2006.01) A61K 47/18 (2006.01)

Patent

CA 2710640

The invention relates to a transdermal therapeutic system (TTS) for administering pharmaceutical agents through the skin, comprising a back layer (R) impermeable to the agent and at least one layer (S) comprising the agent, wherein the layer (H) facing the skin comprises urea in solid form, allowing continuous administration of large quantities of agent over a long period of time.

L'invention concerne un système thérapeutique transdermique (STT) pour l'administration de principes actifs pharmaceutiques à travers la peau. Ce système comprend une couche arrière (R) imperméable aux principes actifs et au moins une couche (S) contenant des principes actifs, la couche (H) qui fait face à la peau contenant de l'urée sous forme solide. Le système selon l'invention permet d'obtenir une administration continue de plus grandes quantités de principes actifs pendant une durée prolongée.

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