Combinational therapeutic methods employing nitric oxide...

A - Human Necessities – 61 – K

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A61K 45/06 (2006.01) A61K 33/00 (2006.01) A61K 38/00 (2006.01)

Patent

CA 2238028

In accordance with the present invention, there are provided combinational therapeutic methods for the in vivo inactivation or inhibition of formation (either directly or indirectly) of species which induce the expression of nitric oxide synthase, as well as reducing nitric oxide levels produced as a result of .No synthase expression. In contrast to the inhibitory approach described in the prior art (i.e., wherein the function of the enzymes responsible for nitric oxide production is inhibited), the present invention employs a combination of inactivation (or inhibition) and scavenging approach whereby the stimulus of nitric oxide synthase expression is inactivated, or the production thereof is inhibited, and overproduced nitric oxide is bound in vivo to a suitable nitric oxide scavenger. The resulting complexes render the stimulus of nitric oxide synthase expression inactive (or inhibit the production thereof), and nitric oxide harmless. The resulting complexes are eventually excreted in the urine of the host. Further in accordance with the present invention, there are provided compositions and formulations useful for carrying out the above-described methods.

Méthodes thérapeutiques combinées d'inactivation ou d'inhibition de formation (soit directe soit indirecte) d'espèces encourageant l'expression de la monoxyde d'azote synthase, et la réduction des niveaux de monoxyde d'azote produits du fait de l'expression de la monoxyde d'azote synthase. Contrairement à la méthode par inhibition décrite dans les procédés existants précédemment (c'est-à-dire, lorsque la fonction des enzymes responsables pour la production de monoxyde d'azote est inhibée), la présente invention emploie une combinaison d'inactivation (ou d'inhibition) et d'entraînement par laquelle le stimulus de l'expression de monoxyde d'azote synthase est inactivé, ou sa production est inhibée, et le surplus de monoxyde d'azote est lié in vivo à un entraîneur de monoxyde d'azote adapté. Les complexes ainsi produits rendent le stimulus d'expression du monoxyde d'azote synthase inactif (ou inhibent sa production), et rendent le monoxyde d'azote inoffensif. Les complexes ainsi produits sont finalement excrétés dans l'urine de l'hôte. Sont décrites également des compositions et préparations utiles à la mise en oeuvre des procédés décrits plus haut.

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