Immunomodulating compositions from bile for the treatment of...

A - Human Necessities – 61 – K

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A61K 35/413 (2006.01) A61K 45/05 (1995.01)

Patent

CA 2215339

The present invention relates to a composition for use as an immunomodulator comprising small molecular weight components of less than 3000 daltons, and having the following properties: (a) is extractable from bile of animals; (b) is capable of stimulating monocytes and macrophages in vitro and/or in vivo; (c) is capable of modulating tumor necrosis factor production and/or release; (d) contains no measurable IL-1.alpha., IL-1.beta., TNF, IL-4, IL-6, IL-8, GM-CSF or IFN-.gamma.; (e) shows no cytotoxicity to human peripheral blood mononuclear cells or lymphocytes; and (f) is not an endotoxin. The invention also relates to a method of preparing the composition, its use as an immunomodulator, and its use in the treatment of diseases and conditions having an immunological component, such as cancer.

La présente invention concerne une composition utilisable comme immunomodulateur. Elle comporte des composants de faible poids moléculaire, inférieur à 3 000 daltons, et présente plusieurs propriétés : a) elle peut s'extraire de la bile des animaux; b) elle est capable de stimuler des monocytes et des macrophages in vitro ou in vivo; c) elle est capable de moduler la production ou la libération du facteur de nécrose tumorale; d) elle ne contient aucune quantité mesurable de IL-1.alpha., IL-1.beta., TNF, IL-4, IL-6, IL-8, GM-CSF ou IFN-gamma; e) elle ne présente aucune cytotoxicité envers les lymphocytes ou les cellules mononucléaires sanguins périphériques d'origine humaine; et f) elle n'est pas une endotoxine. L'invention concerne également une méthode pour préparer ladite composition, son utilisation comme immunomodulateur et son utilisation dans le traitement d'affections et d'états à composante immunologique, comme le cancer.

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