Composition and methods of rnai therapeutics for treatment...

A - Human Necessities – 61 – K

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A61K 48/00 (2006.01)

Patent

CA 2604441

Compositions and methods are provided for treatment of diseases involving unwanted neovascularization (NV). The invention provides treatments that control NV through selective inhibition of pro-angiogenic biochemical pathways, including inhibition of the VEGF pathway gene expression and inhibition localized at pathological NV tissues. Tissue targeted nanoparticle compositions comprising polymer conjugates and nucleic acid molecules that induce RNA interference (RNAi) are provided. The nanoparticle compositions of the invention can be used alone or in combination with other therapeutic agents such as VEGF pathway antagonists. The compositions and methods can be used for the treatment of NV diseases such as cancer, ocular disease, arthritis, and inflammatory diseases.

La présente invention concerne des compositions et des procédés pour traiter des maladies impliquant une néovascularisation (NV) indésirable. Cette invention concerne des traitements qui commandent la NV grâce à une inhibition sélective de voies biochimiques pro-angiogéniques, notamment une inhibition de l'expression génique de la voie du VEGF et une inhibition localisée au niveau de tissus de NV pathologique. Cette invention concerne aussi des compositions à nanoparticules spécifiques au tissu qui comprennent des conjugués polymères et des molécules d'acide nucléique induisant une interférence d'ARN (ARNi). Les compositions à nanoparticules peuvent être utilisées seules ou combinées à d'autres agents thérapeutiques tels que des antagonistes de voie du VEGF. Les compositions et les procédés selon cette invention peuvent être utilisés pour traiter des maladies à néovascularisation telles que le cancer, les maladies oculaires, l'arthrite et les maladies inflammatoires.

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