Compositions and methods for reversibly increasing...

C - Chemistry – Metallurgy – 07 – C

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Details

C07C 53/126 (2006.01) A61K 31/164 (2006.01) A61K 31/20 (2006.01) A61K 31/23 (2006.01) A61P 25/00 (2006.01) A61P 31/00 (2006.01) A61P 35/00 (2006.01) C07C 53/128 (2006.01) C07C 57/03 (2006.01) C07C 69/22 (2006.01) C07C 69/533 (2006.01) C07C 233/04 (2006.01) C07C 233/09 (2006.01)

Patent

CA 2294274

A pharmaceutical composition for the permeabilization of biological membranes comprising a pharmaceutically effective amount of a compound of the general formula: (see formula I) wherein R denotes a saturated or unsaturated chain of between 4 to 10 carbon atoms and R' denotes a saturated or unsaturated chain of between 5 and 30 carbon atoms, their salts, esters or amides in a pharmaceutically acceptable carrier. A method of enhancing permeabilization of a biological membrane comprising exposing the membrane to a compound of the general formula II: (see formula II) wherein R denotes a saturated or unsaturated chain of between 1 to 10 carbon atoms and R' denotes a saturated or unsaturated chain of between 5 and 30 carbon atoms, their salts, esters or amides.

Cette invention a trait à une famille d'acides gras ramifiés et à leurs dérivés qui stimulent la pénétration d'ingrédients actifs dans des bio-membranes, la barrière hémato-encéphalique notamment, et facilitent leur absorption par celles-ci. Elle concerne, de surcroît, des compositions pharmaceutiques renfermant ces acides gras ramifiés ainsi que des méthodes d'utilisation de ces compositions visant à rendre perméable des membranes biologiques et, partant, à améliorer l'apport à des cellules ou à des organes de substances actives du point de vue biologique ou à usage thérapeutique. Conformément à la réalisation préférée de cette invention, ces méthodes se révèlent particulièrement efficaces pour traiter certains types de lésions et d'affections du système nerveux central, au nombre desquelles, des tumeurs, des infections et des abcès ainsi que pour soigner des processus dégénératifs et des troubles du comportement

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