Ibuprofen-containing effervescent pharmaceutical composition...

A - Human Necessities – 61 – K

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Details

A61K 31/192 (2006.01) A61K 9/14 (2006.01) A61K 9/46 (2006.01)

Patent

CA 2150945

A novel pharmaceutical composition for preparing effervescent tablets or powders containing ibuprofen or a pharmaceutically acceptable salt thereof as the active ingredient. Said composition includes an effective amount of ibuprofen or a pharmaceutically acceptable salt thereof; a pharmaceutically acceptable effervescent system including at least one alkaline carbonate and at least one organic acid, preferably in a sufficient amount to give a pH lower than 8; and at least one pharmaceutically acceptable oxidation inhibitor in a sufficient amount to stabilise the ibuprofen. The composition has remarkable stability whether as a powder or as a tablet.

La présente invention a pour objet une nouvelle composition pharmaceutique destinée à la préparation de poudres ou de comprimés effervescents incorporant l'ibuprofène ou l'un de ses sels pharmaceutiquement acceptables à titre d'ingrédient actif. Cette composition comprend: une quantité efficace d'ibuprofène ou de l'un de ses sels pharmaceutiquement acceptables; un système effervescent pharmaceutiquement acceptable comprenant su moins un carbonate alcalin et au moins un acide organique, de préférence en une quantité suffisante pour obtenir un pH inférieur à environ 8; au moins un agent antioxydant pharmaceutiquement acceptable en une quantité suffisante pour stabiliser l'ibuprofène. Cette composition présente une stabilité remarquable tant sous forme de poudre que sous forme de comprimé.

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