Pharmaceutical compositions for treatment of parkinson's...

A - Human Necessities – 61 – K

Patent

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A61K 9/16 (2006.01) A61K 9/24 (2006.01) A61K 9/50 (2006.01) A61K 31/195 (2006.01) A61K 31/198 (2006.01)

Patent

CA 2673511

The invention relates to the improvement in the treatment of certain neural disorders / diseases, such as Parkinson's disease and other motor disorders. The invention relates to drug compositions and dosage forms comprising said drug composition; methods of manufacturing the drug compositions and dosage forms; and methods of treatment, comprising administering the drug composition and dosage form to an individual. In certain embodiments, a decarboxylase enzyme inhibitor (e.g., carbidopa) extended release formulation is formulated with one or more bioadhesive polymers which may be useful for preferentially targeting the release of the decarboxylase enzyme inhibitor at the target absorption site. Upon administration to the patient, the inhibitor is delivered to a desired tissue location (e.g., proximal small intestine), and is released over an extended period (preferably from after dinner to the morning after).

L'invention porte sur l'amélioration du traitement de certains troubles neuraux/certaines maladies neurales, tels que la maladie de Parkinson et autres troubles moteurs. L'invention porte sur des compositions de médicament et des formes posologiques comprenant de telles compositions de médicament; sur des procédés de fabrication des compositions de médicament et des formes posologiques; et sur des procédés de traitement, comprenant l'administration de la composition de médicament et de la forme posologique à un individu. Dans certains modes de réalisation, une formulation à libération étendue d'un inhibiteur de l'enzyme décarboxylase (par exemple, carbidopa) est formulée avec un ou plusieurs polymères bioadhésifs qui peuvent être utiles pour cibler de façon préférentielle la libération de l'inhibiteur de l'enzyme décarboxylase au site d'absorption cible. Lors de l'administration au patient, l'inhibiteur est administré à un emplacement de tissu désiré (par exemple, l'intestin grêle proximal), et est libéré sur une période prolongée (de préférence, depuis après le dîner jusqu'au lendemain matin).

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