Novel albumin-free factor viii formulations

A - Human Necessities – 61 – K

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A61K 9/19 (2006.01) A61K 38/37 (2006.01) A61K 47/02 (2006.01)

Patent

CA 2634664

A Factor VIII composition formulated without albumin, comprising the following formulation excipients in addition to Factor VIII: 4% to 10% of a bulking agent selected from the group consisting of mannitol, glycine and alanine; 1% to 4% of a stabilizing agent selected from the group consisting of sucrose, trehalose, raffinose, and arginine; 1 mM to 5 mM calcium salt; 100 mM to 300 mM NaCl; and a buffering agent for maintaining a pH of approximately between 6 and 8. Alternatively, the formulation can comprise 2% to 6% hydroxyethyl starch; 1% to 4% of a stabilizing agent selected from the group consisting of sucrose, trehalose, raffinose, and arginine; 1 mM to 5 mM calcium salt; 100 mM to 300 mM NaCl; and a buffering agent for maintaining a pH of approximately between 6 and 8. In a further embodiment, the formulation can comprise: 300 mM to 500 mM NaCl; 1% to 4% of a stabilizing agent selected from the group consisting of sucrose, trehalose, raffinose, and arginine; 1 mM; 1 mM to 5 mM calcium salt; and a buffering agent.

Divulgation d'une composition de facteur VIII formulée sans albumine, comprenant les excipients suivants en plus du facteur VIII : de 4 à 10 % d'un agent gonflant choisi parmi le groupe constitué du mannitol, de la glycine et de l'alanine, de 1 à 4% d'un stabilisant choisi parmi le groupe constitué du sucrose, du tréhalose, du raffinose et de l'arginine, de 1 à 5 mM de sel calcique, de 100 à 300 mM de NaCl, un agent tampon pour maintenir le pH entre environ 6 et 8. Autrement, la formulation peut comprendre de 2 à 6 % d'hydroxyéthylamidon, de 1 à 4 % d'un stabilisant choisi parmi le groupe constitué du sucrose, du tréhalose, du raffinose et de l'arginine, de 1 à 5 mM de sel calcique, de 100 à 300 mM de NaCl et un agent tampon pour maintenir le pH entre environ 6 et 8. Dans une autre réalisation, la formulation peut comprendre de 300 à 500 mM de NaCl, de 1 à 4 % d'un stabilisant chois parmi le groupe constitué du sucrose, du tréhalose, du raffinose et de l'arginine, de 1 à 5 mM de sel calcique et un agent tampon.

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