Compositions and methods for surrogate antibody modulation...

C - Chemistry – Metallurgy – 07 – H

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Details

C07H 21/00 (2006.01) A61K 31/713 (2006.01) A61K 39/395 (2006.01) A61K 48/00 (2006.01) C07K 16/00 (2006.01) C07K 16/28 (2006.01) C07K 16/42 (2006.01) C12Q 1/00 (2006.01)

Patent

CA 2476764

Methods and compositions for the modulation of an immune response are provided. Compositions comprise a bi-functional surrogate antibody molecule that interacts with a ligand of interest, wherein the bi-functional surrogate antibody further has attached thereto an immunomodulatory agent and/or a transporting agent. The compositions of the invention find use in a method for delivering an immunomodulatory agent to a ligand of interest. Further provided are methods for modulating an immune response in a subject against a ligand of interest. The method comprises administering a therapeutically effective amount of a bi-functional surrogate antibody of the invention. The methods of the invention also find use in improving the clinical outcome of a subject in need of a modulation in the immune response. Methods are further provided for the treatment or prevention of a variety of conditions and/or disorders including cancer, autoimmune diseases, allergies, prions, and various diseases or conditions of bacterial, parasitic, yeast or viral etiology.

La présente invention concerne des procédés et des compositions destinées à la modulation d'une réponse immunitaire. Ces compositions comprennent une molécule subrogé-anticorps bifonctionnelle qui est en interaction avec un ligand à examiner, un agent immunomodulateur et/ou un agent transporteur étant en outre attachés au subrogé-anticorps bifonctionnel. Les compositions de l'invention conviennent à un procédé de remise d'un agent immunomodulateur à un ligand à examiner. L'invention concerne également des procédés permettant de moduler une réponse immunitaire chez un sujet par rapport à un ligand à examiner. Le procédé implique alors d'administrer une quantité thérapeutiquement efficace d'un subrogé-anticorps bifonctionnel de l'invention. Les procédés de l'invention conviennent également à l'amélioration de l'avantage clinique chez un sujet nécessitant une modulation de la réponse immunitaire. L'invention concerne enfin des procédés se rapportant au traitement ou à la prévention de divers états et/ou troubles, y-compris le cancer, les affections auto-immunes, les allergies, les maladies à prions, et diverses affections ou états à l'étiologie bactérienne, parasitaire, fermentaire ou virale.

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