Patent ID: 6884434

Claim:
A transdermal therapeutic system comprising a self-adhesive matrix layer containing the free base (−)-5,6,7,8-tetrahydro-6-[propyl-1[2-(2-thienyl)ethyl]amino]-1-naphthalenol in an amount effective for the treatment of the symptoms of Parkinson's syndrome, wherein the matrix is based on a an acrylate-based or silicone-based polymer adhesive system having a solubility of ≧5% (w/w) for the free base (−)-5,6,7,8-tetrahydro-6-[propyl-[2-(2-thienyl)ethyl]-amino]-1-naphthalenol, all of said free base being present in the matrix in the absence of water; a backing layer inert to the components of the matrix layer; and a protective foil or sheet covering the matrix layer to be removed prior to use.