Therapeutic peptide formulations for coating microneedles...

A - Human Necessities – 61 – K

Patent

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Details

A61K 9/30 (2006.01) A61K 38/00 (2006.01) A61K 38/25 (2006.01) A61K 47/02 (2006.01) A61K 47/12 (2006.01)

Patent

CA 2593112

Compositions of and methods for formulating and delivering peptide, polypeptide and protein therapeutic agent formulations having enhanced physical stability using at least one counterion, and wherein fibril formation is minimized and/or controlled, to yield a consistent and predictable composition viscosity. The compositions of and methods for formulating and delivering peptide, polypeptide and protein therapeutic agents of the present invention further facilitate their incorporation into a biocompatible coating which can be employed to coat a stratum-corneum piercing microprojection, or a plurality of stratum-corneum piercing microprojections of a delivery device, for delivery of the biocompatible coating through the skin of a subject, thus providing an effective means of delivering the peptide therapeutic agents. The preferred counterions are acetate and chloride.

L'invention concerne des compositions et des méthodes destinées à la préparation et à l'administration de préparations à base d'agents thérapeutiques peptidiques, polypeptidiques et protéiques, possédant une stabilité physique accrue. Ces préparations permettent de contrôler et/ou de réduire à un minimum la formation de fibrilles et d'obtenir une composition dont la viscosité est prévisible et durable. Les compositions et les méthodes de la présente invention permettent également d'incorporer plus facilement les préparations dans un enduit biocompatible pouvant être utilisé pour enduire un dispositif d'administration transdermique comportant une ou plusieurs micropointes destinées à percer la couche cornée de l'épiderme, pour l'administration du revêtement biocompatible à travers la peau d'un patient. Cette technique permet d'administrer efficacement des agents thérapeutiques peptidiques à un patient.

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