Use and composition for treating dementia

A - Human Necessities – 61 – K

Patent

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Details

A61K 31/46 (2006.01) A61K 31/137 (2006.01) A61K 31/27 (2006.01) A61K 31/445 (2006.01) A61K 31/4725 (2006.01) A61K 31/473 (2006.01) A61K 31/4748 (2006.01) A61K 31/505 (2006.01) A61K 31/55 (2006.01) A61P 25/28 (2006.01)

Patent

CA 2718411

There is described a method for increasing the maximal tolerated dose and thus the efficacy of an acetyl choline es-terase inhibitor (AChEI) in a patient suffering from an Alzheimer type dementia by decreasing concomitant adverse effects by ad-ministration of said AChEI in combination with a non-selective, peripheral anticholinergic agent, whereby an enhanced acetyl choline esterase inhibition in the CNS of said patient is achieved and alleviation of the symptoms of Alzheimer type dementia in said patient is thereby improved to a greater extent. The use of a non- selective, peripheral anticholinergic agent (nsPAChA) for the preparation of a pharmaceutical composition for increasing the maximal tolerated dose and thus the efficacy of an acetyl choline esterase inhibitor (AChEI) in a patient suffering from an Alzheimer type dementia and pharmaceutical compositions comprising a non-selective peripheral anticholinergic agent of formula II as illustrated in the description and an acetylcholine esterase inhibitor are also described.

La présente invention a trait à un procédé permettant daugmenter la dose maximale tolérée et, par conséquent, lefficacité dun inhibiteur de lacétylcholinestérase (AChEI) chez un patient souffrant dune démence de type Alzheimer, en diminuant les effets indésirables associés par ladministration dudit AChEI en association avec un agent anticholinergique périphérique non sélectif, ce qui permet dobtenir une meilleure inhibition de lacétylcholinestérase dans le système nerveux central dudit patient et donc daméliorer de manière significative latténuation des symptômes de la démence de type Alzheimer chez ledit patient. Linvention a également trait à lutilisation dun agent anticholinergique périphérique non sélectif (nsPAChA) pour la préparation dune composition pharmaceutique permettant daugmenter la dose maximale tolérée et, par conséquent, lefficacité dun inhibiteur de lacétylcholinestérase (AChEI) chez un patient souffrant dune démence de type Alzheimer, et à des compositions pharmaceutiques comprenant un agent anticholinergique périphérique non sélectif de formule II comme illustré dans la description et un inhibiteur de lacétylcholinestérase.

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