Single-daily-dose antidiabetic oral pharmaceutical form...

A - Human Necessities – 61 – K

Patent

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Details

A61K 31/64 (2006.01) A61K 9/50 (2006.01) A61K 31/155 (2006.01)

Patent

CA 2447926

The invention concerns oral galenic forms (tablets, capsules, powders and the like) wherein are associated a biguanide, preferably metformin and at least another anti-hyperglycemic active principle B. The invention aims at providing an antidiabetic (type II diabetes) oral pharmaceutical form containing: an active principle A consisting of metformin and at least another active principle B, capable of being easily swallowed, in a single daily dose. This is achieved by the inventive oral pharmaceutical form associating metformin and at least another antidiabetic active principle B (glibenclamide, pioglitazone hydrochloride, rosiglitazone maleate, nateglinide, glipizide, glimepiride). The invention is characterised in that it comprises capsules consisting each of a core based on metformin and by a coating film applied on the core and enabling prolonged release in vivo of metformin; and optionally capsules based on coated B and enabling prolonged release of B; the capsules based on metformin and the optional capsules based on B are designed such that the delivery rate of said galenic form is a single daily dose.

L'invention concerne des formes galéniques orales (comprimés, gélules, poudres...) dans lesquelles sont associés une biguanide, de préférence la metformine et au moins un autre principe actif B antihyperglycémiant. Le but de l'invention est de fournir une forme pharmaceutique orale antidiabétique (diabète type II): contenant un principe actif A formé par de la metformine et au moins un autre principe actif B, et susceptible d'être avalée aisément, à raison d'une fois par jour. Ce but est atteint par l'invention qui concerne une forme pharmaceutique orale associant la metformine et au moins un autre principe actif B antidiabétique (glibenclamide, hydrochlorure de pioglitazone, maléate de rosiglitazone, nateglinide, glipizide, glimepiride), caractérisée en ce qu'elle comporte des capsules constituées chacune par un coeur à base de metformine et par une pellicule d'enrobage appliquée sur le coeur et permettant la libération prolongée in vivo de la metformine; et éventuellement des capsules à base de B enrobé et permettant la libération prolongée de B; et en ce que les capsules à base de metformine et les éventuelles capsules à base de B, sont conçues de telle sorte que le régime d'administration de la forme galénique considérée soit d'une prise par jour.

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