Analgesic compositions comprising anti-epileptic compounds...

A - Human Necessities – 61 – K

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Details

A61K 45/06 (2006.01) A61K 31/19 (2006.01) A61K 31/195 (2006.01) A61K 31/485 (2006.01)

Patent

CA 2359485

The present invention is directed to novel combinations of one or more anti- epileptic compounds that demonstrate pain alleviating properties, with one or more compounds selected from the group consisting of analgesics, NMDA receptor antagonists, NSAIDs, and combinations thereof, and pharmaceutical compositions comprising same. It has been discovered that the administration of anti- epileptic compounds that demostrates pain alleviating properties in these novel combinations results in an improved reduction in the frequency and severity of pain. It is also believed that the incidence of unwanted side effects can be reduced by these novel combinations in comparison to using higher doses of a single agent treatment to achieve a similar therapeutic effect. The present invention is also directed to methods of using effective amounts of the novel pharmaceutical compositions to treat pain in mammals.

L'invention concerne des nouvelles combinaisons d'un ou plusieurs composés anti-épileptiques qui présentent des propriétés de soulagement de la douleur, à un ou plusieurs composés choisis dans le groupe constitué d'analgésiques, d'antagonistes du récepteur de NMDA, d'AINS et de combinaison de ceux-ci, et des compositions pharmaceutiques les comprenant. On a découvert que l'administration de composés anti-épileptiques présentant des propriétés de soulagement de la douleur dans ces nouvelles combinaisons, entraîne une réduction accrue de la fréquence et de la gravité de la douleur. On pense également que l'incidence des effets secondaires indésirables peut être réduite par ces nouvelles combinaisons, par rapport à l'utilisation de doses plus fortes dans un traitement par agent unique pour l'obtention d'un effet thérapeutique similaire. L'invention porte également sur des procédés d'utilisation de doses efficaces desdites compositions pharmaceutiques pour le traitement de la douleur chez les mammifères.

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