Transdermal therapeutic system with high rate of utilization of active substance and dosing accuracy

摘要

A transdermal therapeutic system for administering at least one active pharmaceutical ingredient, including a polymer layer which is remote from the skin and is based on polyisobutylenes with a rate of application of at least 80 g/m2, and an adhesive skin-contact layer which is adjacent to the polymer layer remote from the skin and is based on acrylate copolymers with a rate of application of not more than 50 g/m2. The at least one active pharmaceutical ingredient is present in both the layer remote from the skin and the skin-contact layer.