Alpha 1-antitrypsin compositions and treatment methods using...

A - Human Necessities – 61 – K

Patent

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A61K 9/12 (2006.01) A61P 11/00 (2006.01)

Patent

CA 2545855

Alpha 1-antitrypsin compositions and treatment methods using such compositions for treating a variety of pulmonary diseases are provided. The compositions generally contain AAT, a stabilizing carbohydrate such as trehalose, a surfactant such as Polysorbate 80 and an antioxidant to stabilize AAT for use as a therapeutic. The formulations can be prepared as both liquids and solids and administered by nebulization of the liquid formulation or by conversion of dry powder formulation into an aerosol.

La présente invention a trait à des compositions d'alpha 1-antitrypsine et à des procédés de traitement mettant en oeuvre de telles compositions pour le traitement d'une variété de maladies pulmonaires. De manière générale, les compositions contiennent de l'alpha 1-antitrypsine, un glucide stabilisateur tel que le tréhalose, un tensioactif tel que le polysorbate 80 et un antioxydant pour la stabilisation de l'alpha 1-antitrypsine pour une utilisation en tant qu'agent thérapeutique. Les formulations peuvent être préparées sous forme de liquides ou de solides et sont administrées par la nébulisation de la formulation liquide ou par la conversion de la formulation en poudre sèche en aérosol.

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