Matrix-Controlled Transdermal Therapeutic System Based on an Adhesive for Administering Norelgestromin or the Combination Thereof with an Estrogen

摘要

The invention relates to a transdermal therapeutic system comprising an active-ingredient-impermeable top layer, an active-ingredient-containing matrix and a removable protective layer, the matrix comprising or consisting of norelgestromin and an optional oestrogen as active ingredients as well as also a pressure-sensitive hot-melt adhesive and optional auxiliaries.