Use of FLT3 ligand for enhancing immune responses in RNA immunization

US9486519B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9486519-B2
Application numberUS-200913139034-A
CountryUS
Kind codeB2
Filing dateDec 9, 2009
Priority dateDec 10, 2008
Publication dateNov 8, 2016
Grant dateNov 8, 2016

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  1. Title

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  2. Abstract

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  5. First independent claim

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Abstract

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The invention relates to supplying vaccine RNA to cells. The invention relates in particular to a common use of vaccine RNA and Flt3 ligand for inducing, creating or enhancing an immune response when administered to animals (including humans).

First claim

Opening claim text (preview).

The invention claimed is: 1. An immunogenic preparation, which comprises: (i) isolated mRNA that codes for at least one antigen that induced an immune response in a mammal, and (ii) an immune response intensifying compound that consists of Fms-like tyrosine kinase 3 ligand (Flt3 ligand), wherein said Flt3 ligand is present in an amount effective to enhance the immune response induced by the at least one antigen by at least 10% as compared to an immune response elicited by the isolated mRNA without said immune response intensifying compound. 2. The immunogenic preparation as claimed in claim 1 , wherein the isolated mRNA is synthetic. 3. The immunogenic preparation as claimed in claim 1 , which further comprises at least one RNA-stabilizing factor. 4. A pharmaceutical composition that comprises an immunogenic preparation as claimed in claim 1 in a pharmaceutically compatible diluent or a pharmaceutically compatible vehicle, or both. 5. The pharmaceutical composition as claimed in claim 4 in the form of a formulation as a vaccine. 6. The pharmaceutical composition as claimed in claim 4 in the form of a formulation for intranodal administration.

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Frequently asked questions

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What does patent US9486519B2 cover?
The invention relates to supplying vaccine RNA to cells. The invention relates in particular to a common use of vaccine RNA and Flt3 ligand for inducing, creating or enhancing an immune response when administered to animals (including humans).
Who is the assignee on this patent?
Sahin Ugur, Türeci Özlem, Kreiter Sebastian, and 3 more
What technology area does this patent fall under?
Primary CPC classification A61K39/39. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue Nov 08 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).