Immune stimulatory oligoribonucleotide analogs containing...

C - Chemistry – Metallurgy – 07 – H

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Details

C07H 21/00 (2006.01) A61K 31/7088 (2006.01) A61P 37/04 (2006.01)

Patent

CA 2704853

1mmunostimulatory oligoribonucleotides (ORN) featuring 5'-triphosphates and various 5'-triphosphate analogs are provided. Also provided are physiologically acceptable salts of the immunostimulatory ORN and pharmaceutical compositions containing the immunostimulatory ORN of the invention. ORN of the invention are useful as adjuvants and can be combined with an antigen to promote an antigen- specific immune response. ORN of the invention are also particularly useful for promoting a Th1 -type immune response. Also provided are methods of use of the compounds and pharmaceutical compositions of the invention to enhance an immune response in a subject, as well to treat a number of conditions including cancer, infection, allergy, and asthma, and to vaccinate a subject against an antigen.

L'invention porte sur des oligoribonucléotides immunostimulants (ORN) présentant des 5'-triphosphates et divers analogues de 5'-triphosphate. L'invention porte également sur des sels physiologiquement acceptables de l'ORN immunostimulant et sur des compositions pharmaceutiques contenant l'ORN immunostimulant de l'invention. Les ORN de l'invention sont utiles comme adjuvants et peuvent être combinés avec un antigène pour favoriser une réponse immunitaire spécifique de l'antigène. Les ORN de l'invention sont également particulièrement utiles pour favoriser une réponse immunitaire de type Th1. L'invention porte également sur des procédés d'utilisation des composés et des compositions pharmaceutiques de l'invention pour améliorer une réponse immunitaire dans un sujet, ainsi que pour traiter un nombre d'états, dont le cancer, une infection, une allergie et l'asthme, et pour vacciner un sujet contre un antigène.

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