Interleukin-12 targeted to oncofoetal fibronectin

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/62 (2006.01) A61K 47/48 (2006.01) A61P 35/00 (2006.01) C07K 14/54 (2006.01) C07K 16/30 (2006.01)

Patent

CA 2552590

The invention provides a compound comprising a target specific portion and an effector portion wherein the target specific portion comprises or consists of a monoclonal antibody having specificity for oncofoetal fibronectin, or a fragment or variant thereof which retains the antigen binding specificity of the parent monoclonal antibody and the effector portion comprises or consists of interleukin-12, or a functional fragment or variant thereof, characterised in the monoclonal antibody having specificity for oncofoetal fibronectin binds to a region of oncofoetal fibronectin other than the ED-B region. The invention further provides nucleic acids encoding the compounds of the invention, and the use of such compounds in medicine, e.g. in the treatment of cancer.

L'invention concerne un composé comprenant une partie spécifique d'une cible et une partie effectrice, la partie spécifique d'une cible comprenant ou étant constituée d'un anticorps monoclonal présentant une spécificité pour la fibronectine oncofoetale, ou pour un fragment ou un variant de cette dernière qui retient la spécificité de liaison à l'antigène de l'anticorps monoclonal parent, la partie effectrice comprenant ou étant constituée d'une interleukine 12, ou d'un fragment ou d'un variant fonctionnels de cette dernière. Ledit composé est caractérisé en ce que l'anticorps monoclonal présentant une spécificité pour la fibronectine oncofoetale se lie à une région de la fibronectine oncofoetale autre que la région ED-B. L'invention concerne également des acides nucléiques codant pour les composés de l'invention, ainsi que l'utilisation desdits composés dans la médecine, par exemple, dans le traitement du cancer.

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