Methods of treating tardive dyskinesia and other movement...

A - Human Necessities – 61 – K

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A61K 31/185 (2006.01) A61K 31/00 (2006.01) A61K 45/06 (2006.01)

Patent

CA 2367015

The present invention describes a novel treatment for neuropsychiatric disorders, including anxiety disorders, mood disorders, psychotic disorders, somatoform disorders, and neuropsychiatric symptoms resulting from movement disorders. The treatment of the present invention utilizes any agent that simultaneously act as NMDA-type glutamate receptor antagonists and GABA-A receptor agonists. Preferably these two activities are characteristic of a single agent, for example acamprosate (calcium N-acetylhomotaurinate). Alternatively, separate agents having these activities can be combined as a compound or mixture and thereby administered together. The invention also provides for a third agent that acts as a non-competitive NMDA-receptor blocking agent or ion channel blocker, that augments the effect of the primary treatment. A particularly preferred ion channel blocking agent is magnesium.

L'invention concerne un nouveau traitement de troubles neuropsychiatriques, notamment de l'angoisse, de troubles de l'humeur, de troubles psychotiques et somatoformes, et de symptômes neuropsychiatriques consécutifs à des dyskinésies. Dans ce traitement, on utilise un quelconque agent qui agit simultanément en tant qu'antagoniste du récepteur du glutamate du type N-méthyl-D-aspartate et en tant qu'agoniste du récepteur de GABA-A. De préférence, ces deux activités sont caractéristiques d'un seul agent, par exemple l'acamprosate (N-acétylhomotaurinate de calcium). Dans une variante, on peut combiner des agents séparés possédant chacun l'une de ces activités, sous forme d'un composé ou d'un mélange, et on peut les administrer ensemble. L'invention concerne également un troisième agent agissant en tant qu'inhibiteur du récepteur du N-méthyl-D-aspartate, non compétitif, ou inhibiteur des canaux à ions, et qui augmente l'effet du premier traitement. On préfère notamment en tant qu'un tel inhibiteur de canaux à ions, le magnésium.

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