Stable protein and nucleic acid formulations using...

A - Human Necessities – 61 – K

Patent

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Details

A61K 47/06 (2006.01) A61K 9/00 (2006.01) A61K 9/10 (2006.01) A61K 31/70 (2006.01) A61K 31/7088 (2006.01) A61K 38/00 (2006.01) A61K 38/21 (2006.01) A61K 38/47 (2006.01) A61K 38/48 (2006.01) A61K 39/395 (2006.01) A61K 45/08 (2006.01) A61K 48/00 (2006.01)

Patent

CA 2264776

This invention relates to stable non-aqueous formulations which are suspensions of proteinaceous substances or nucleic acids in non-aqueous, anhydrous, aprotic, hydrophobic, non-polar vehicles with low reactivity. More specifically, the present invention relates to stable protein or nucleic acid formulations wherein the compound remains in stable, dry powder form, yet the formulation is flowable and, therefore amenable to delivery to an animal via injection, transdermal administration, oral delivery or using an implantable device for sustained delivery. These stable formulations may be stored at elevated temperatures (e.g., 37 °C) for long periods of time and are especially useful as flowable formulations which can be shipped and/or stored at high temperatures or in implantable delivery devices for long term delivery (e.g., 1-12 months or longer) of drug.

L'invention porte sur des préparations stables non aqueuses consistant en suspensions de substances protéinacées ou en acides nucléiques placées dans des véhicules non aqueux, anhydres, hydrophobes et non polaires, à faible réactivité. L'invention porte plus spécifiquement sur des préparations stables de protéines ou d'acides nucléiques dont les composés restent sous la forme de poudres sèches stables, mais pouvant être fluidifiées et donc susceptibles d'être administrées à l'animal par injection, voie transdermique, voie orale, ou au moyen de dispositifs implantables à libération continue. Ces préparations stables peuvent s'entreposer à des températures élevées (par exemple 37 DEG C) pendant de longues périodes et sont spécialement utiles en tant que préparations fluides pouvant être expédiées ou stockées à température élevée ou placées dans des dispositifs implantables à libération continue de médicaments sur de longues périodes (par exemple de 1 à 12 mois ou plus).

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