Enhancement of antibody-cytokine fusion protein mediated...

A - Human Necessities – 61 – K

Patent

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Details

A61K 47/48 (2006.01) A61K 31/405 (2006.01) A61K 38/19 (2006.01) A61K 38/39 (2006.01) A61K 39/395 (2006.01) A61K 45/06 (2006.01) C07K 16/30 (2006.01) C07K 19/00 (2006.01)

Patent

CA 2328081

Disclosed are compositions and methods for enhancing a cytocidal immune response directed against a preselected cell-type in a mammal. The methods and compositions rely on a combination of an antibody-cytokine immunoconjugate and an prostaglandin inhibitor. Once administered to the mammal, the immunoconjugate induces an immune response against the preselected cell-type, for example, a cancer cell which, as a result of immunopotentiation via the prostaglandin inhibitor, is greater than the immune response induced by the immunoconjugate alone. The methods and compositions are particularly useful at killing solid tumors or virally-infected cells in a mammal.

L'invention concerne des compositions et des procédés permettant d'améliorer une réponse immunitaire cytocide dirigée contre un type de cellule présélectionné chez un mammifère. Le principe repose sur une combinaison d'immunoconjugué anticorps-cytokine/inhibiteur de prostaglandine. Une fois administré à un mammifère, cet immunoconjugué induit contre le type de cellule présélectionné (par exemple, cellule cancéreuse) une réponse immunitaire qui, suite à l'immunopotentialisation via l'inhibiteur de prostaglandine, est supérieure à la réponse immunitaire induite par le seul immunoconjugué. Les procédés et les compositions considérés sont particulièrement efficaces pour détruire les tumeurs solides ou les cellules touchées par une infection virale chez les mammifères.

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