Transdermal systems containing multilayer adhesive matrices to modify drug delivery

摘要: A transdermal drug-containing dosage unit comprises: a backing layer substantially impervious to the drug be delivered transdermally; first polymeric adhesive matrix, in contact with layer, having dispersed therein and delivery profile of drug; second said drug, wherein is different from profile; release liner matrix. The matrix can more quickly or slowly than Through selection two matrices, through skin selectively modified controlled.