Stable transglutaminase preparations and processes for...

C - Chemistry – Metallurgy – 12 – N

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Details

C12N 9/96 (2006.01) A61K 9/19 (2006.01) A61K 38/45 (2006.01) C12N 9/10 (2006.01)

Patent

CA 2171266

The present invention relates to stable preparation forms of a transglutaminase, for example factor XIII, which, after lyophilization, are readily soluble without turbidity and which comprise the purified transglutaminase and also D- and/or L-amino acids, apart from glycine and arginine, their salts, derivatives and homologs, or dimers or oligomers thereof or mixtures thereof, and/or sugars or sugar alcohols, where appropriate in combination with surface-active agents and/or reducing agents. The invention also relates to processes for preparing stable protein preparations and to the use of the described stable preparation forms for producing pharmaceuticals which are suitable, for example, for treating diseases which are characterized by F XIII deficiency.

La présente invention porte des formes stables d'une transglutaminase obtenue à l'aide un procédé, par exemple le facteur XIII, qui, après lyophilisation, sont très solubles et produisent une solution sans turbidité. Ces préparations sont notamment constituées de la transglutaminase purifiée et des acides aminés D et/ou L, exceptées la glycine et l'arginine, de leurs sels, de leurs dérivés et de produits homologues, ou de dimères ou d'oligomères de celle-ci ou de mélanges de ceux-ci, et/ou de glucides ou d'alcools à base de ces glucides, le cas échéant, en association avec des agents actifs à la surface et/ou des agents réducteurs. L'invention porte également sur des procédés permettant de préparer des protéines stables et sur l'utilisation des formes stables décrites pour que l'on produise des produits pharmaceutiques permettant, par exemple, de traiter des maladies caractérisées par une absence de facteur XIII.

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