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157757 
Technical Report 
New therapeutic formulation 
Lodén, M; Åkerström, U; Schwan, E 
2006 
European Patent Office 
Brussels, Belgium 
European Patent Application No. EP20060101197 
The present invention relates to a transcutaneous drug delivery system and its method of production. The system comprises a transcutaneously administrable photosensitive therapeutically active agent, preferably a photosensitive non-steroidal antiinflammatory agent, such as ketoprofen; a gelling agent; a hydrophilic solvent; and a cosmetically acceptable particulate titanium dioxide. The constituents of the system and its production method are selected in a way that maximizes delivery of and intradermal levels of intact active agent.