Abuse-resistant transdermal dosage form

A - Human Necessities – 61 – K

Patent

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Details

A61K 9/70 (2006.01)

Patent

CA 2523425

The invention comprises a transdermal dosage form comprising a active agent component comprising a polymeric matrix and an abusable drug substance, an overlay backing, a porous material, and an antagonist reservoir comprising an antagonist to the abusable drug substance. The porous material adjoins the antagonist reservoir and is in fluid communication with the skin-contacting surface defined by the active agent component. In one embodiment, the device comprises a barrier layer interposed between the active agent component and the antagonist reservoir.

L'invention concerne une forme posologique qui comprend un composant d'agent actif comprenant une matrice polymère et une substance pharmaceutique susceptible d'être consommée abusivement, un revêtement, un matériau poreux et un réservoir d'antagonistes comprenant un antagoniste de la substance pharmaceutique susceptible d'être consommée abusivement. Le matériau poreux est contigu au réservoir d'antagonistes et se trouve en communication fluidique avec la surface en contact avec la peau, laquelle surface est définie par le composant d'agent actif. Dans un mode de réalisation, le dispositif comprend une couche barrière intercalée entre le composant d'agent actif et le réservoir d'antagonistes.

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