Methods for treating depression and other cns disorders...

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 307/87 (2006.01) A61K 31/343 (2006.01) A61P 25/00 (2006.01) C07D 317/20 (2006.01)

Patent

CA 2465186

This invention relates to novel compositions of matter containing enantiomerically enriched (-)-desmethylcitalopram, (+)-didesmethylcitalopram, or (-)-didesmethylcitalopram or mixtures thereof in optimal ratios. Contrary to prior teachings, the enantiomerically enriched citalopram metabolites disclosed herein possess potent serotonin reuptake inhibitory activity, with minimal inhibitory effects on the reuptake of other known monoamines, e.g., norepinephrine (NE) or dopamine (DA). The present invention also discloses methods for treating disorders, dysfunctions and diseases for which inhibition of serotonin reuptake is therapeutically beneficial. In particular, the present invention discloses a method for treating various forms of depression with pharmaceutical compositions described herein.

L'invention concerne de nouvelles compositions de substances contenant du (-)-déméthylcitalopram, du (+)-didéméthylcitalopram ou du (-)-didéméthylcitalopram ou des mélanges de ceux-ci dans des rapports optimaux, ces éléments étant enrichis de manière énantiomorphe. Contrairement aux enseignements antérieurs, les métabolites de citalopram enrichis de manière énantiomorphe selon l'invention ont une activité potentielle d'inhibition de recaptage de la sérotonine, avec des effets inhibiteurs minimaux sur le recaptage d'autres monoamines connues, telles que la norépinéphrine (NE) ou la dopamine (DA). La présente invention porte également sur des méthodes de traitement de troubles, de dysfonctionnements et de maladies, pour lesquels l'inhibition de recaptage de la sérotonine est thérapeutiquement bénéfique. Cette invention concerne en particulier une méthode pour traiter différentes formes de dépression au moyen des préparations pharmaceutiques susmentionnées.

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