Calcium phosphate particles as mucosal adjuvants

A - Human Necessities – 61 – K

Patent

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Details

A61K 39/00 (2006.01) A61K 9/00 (2006.01) A61K 9/12 (2006.01) A61K 9/16 (2006.01) A61K 9/51 (2006.01) A61K 39/145 (2006.01) A61K 39/245 (2006.01) A61K 39/39 (2006.01) C01B 25/32 (2006.01)

Patent

CA 2456830

The present invention relates to mucosal immune protection, mucosal vaccine delivery, and mucosal drug delivery. Novel calcium phosphate core particles, particularly nanoparticles are used as vaccine adjuvants and compositions for inducing protective mucosal immunity. Methods of inducing an immune response to an antigen by devivering the antigen to a mucosal surface using the particles of this invention are also useful for delivering compositions, such as a pharmacologically active agent, to the mucosal surfaces of a patient in need thereof, to methods of delivering such compositions, and to methods of making such particles.

La présente invention concerne la protection immunitaire de la muqueuse, l'administration d'un vaccin pour la muqueuse et l'administration d'un médicament pour la muqueuse. De nouvelles particules à noyau en phosphate de calcium, notamment des nanoparticules, sont utilisées comme adjuvants aux vaccins et comme des compositions destinées à induire l'immunité de protection des muqueuses. L'invention concerne des procédés pour induire une réponse immunitaire à un antigène par l'administration de l'antigène à une surface des muqueuses au moyen des particules de l'invention et des procédés de fabrication de ces particules. Les particules de l'invention peuvent aussi servir à transporter des compositions telles qu'un agent pharmacologique actif jusqu'aux surfaces des muqueuses d'un patient nécessitant un tel traitement; l'invention concerne aussi des procédés pour administrer ces compositions et des procédés pour fabriquer ces particules.

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