Use of nitric oxide-releasing polymers to treat restenosis...

A - Human Necessities – 61 – K

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A61K 31/785 (2006.01) A61K 33/00 (2006.01)

Patent

CA 2185457

Methods of amelioration, treatment and prevention for restenosis and related disorders are provided. Methods involve the administration of nitric oxide by a nitric oxide delivery means comprising a restenosis-ameliorating or therapeutically/prophylactically effective amount of a polymer to which is bound a nitric oxide-releasing N2O2- functional group or a compound comprising a nitric oxide-releasing N2O2- functional group. Also provided are nitric oxide delivery means comprising such nitric oxide-releasing polymers or compounds for use in such methods. Preferably, the delivery means is coated with a nitric oxide-releasing polymer, which may be biodegradable, and enables the controllable and predictable release of NO to a given site in such a manner that effective ameliorating, prophylactic or therapeutic dosing is realized.

L'invention concerne des procédés d'amélioration, de traitement et de prévention de la resténose et de maladies apparentées. Ces procédés consistent à administrer de l'oxyde nitrique par l'intermédiaire d'un moyen d'administration d'oxyde nitrique comprenant une quantité améliorant la resténose ou thérapeutiquement/prophylactiquement efficace d'un polymère auquel est fixé un groupe fonctionnel/de N¿2?O¿2??-¿ libérant de l'oxyde nitrique ou un composé comprenant un groupe fonctionnel de N¿2?O¿2??-¿ libérant de l'oxyde nitrique. Elle concerne également des moyens d'administration d'oxyde nitrique comprenant lesdits polymères ou lesdits composés de libération d'oxyde nitrique. De préférence, le moyen d'administration est revêtu par un polymère libérant de l'oxyde nitrique, qui peut être biodégradable et permet d'effectuer la libération contrôlée et prévisible de NO à un site donné, de façon à réaliser une amélioration efficace, ainsi qu'un dosage prophylactique ou thérapeutique.

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