Phenytoin formulations, and uses thereof in wound healing

A - Human Necessities – 61 – K

Patent

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Details

A61K 9/06 (2006.01) A61K 9/00 (2006.01) A61K 9/107 (2006.01) A61K 9/12 (2006.01) A61K 31/415 (2006.01) A61K 47/38 (2006.01) A61K 47/40 (2006.01) A61K 47/42 (2006.01)

Patent

CA 2574555

A formulation of phenytoin suitable for topical application to a wound comprises a reservoir of phenytoin entrapped within a stabilising matrix, and an amount of dissolved phenytoin, wherein the dissolved phenytoin is in chemical equilibrium with the phenytoin entrapped within the stabilised matrix. The stabilised matrix may comprise a gel matrix, especially a gel matrix in which the polymer of the gel forms ion-pairs with the phenytoin. Also described are methods of treating a wound in diabetic and non-diabetic patients using a formulation according to the invention.

L'invention concerne une formulation de phénytoïne convenant à une application topique sur une blessure, qui comprend un réservoir de phénytoïne enfermé dans une matrice de stabilisation, et une quantité de phénytoïne dissoute. La phénytoïne dissoute est en équilibre chimique avec la phénytoïne enfermée dans la matrice stabilisée, ladite matrice pouvant comprendre une matrice de gel, notamment une matrice de gel dans laquelle le polymère du gel forme des paires d'ions avec la phénytoïne. Sont décrits également des procédés permettant de traiter une blessure chez des patients diabétiques et non diabétiques à l'aide d'une formulation selon l'invention.

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