Osmotic device containing venlafaxine and an anti-psychotic...

A - Human Necessities – 61 – K

Patent

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Details

A61K 31/138 (2006.01) A61K 9/22 (2006.01) A61K 9/24 (2006.01) A61P 25/18 (2006.01) A61P 25/24 (2006.01)

Patent

CA 2614647

The present invention provides an osmotic device containing controlled release venlafaxine in the core in combination with an anti-psychotic agent in a rapid release external coat. A wide range of anti-psychotic agents can be used in this device. Particular embodiments of the invention provide osmotic devices having predetermined release profiles. One embodiment of the osmotic device includes an external coat that has been spray-coated rather compression-coated onto the device. The device with spray-coated external core is smaller and easier to swallow than the similar device having a compression-coated external coat. The device is useful for the treatment of depression anxiety or psychosis related disorders.

La présente invention porte sur un dispositif osmotique contenant de la venlafaxine à libération prolongée en son centre, en association avec un agent anti-psychotique présent dans l'enrobage externe à libération rapide. On peut utiliser une vaste gamme d'agents anti-psychotiques dans ce dispositif. Certains modes de réalisation de l'invention concernent des dispositifs osmotiques dont le profil de libération a été fixé au préalable. L'un des modes de réalisation comprend une couche externe appliquée par pulvérisation plutôt que par compression sur le dispositif. Le dispositif présentant une couche externe appliquée par pulvérisation est plus petit et plus facile à avaler que les dispositifs semblables munis d'une couche externe appliquée par compression. Le dispositif est utile dans le traitement de la dépression ou d'autres troubles psychotiques.

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