An orally administerable solid pharmaceutical composition...

A - Human Necessities – 61 – K

Patent

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Details

A61K 38/28 (2006.01) A61K 47/12 (2006.01) A61K 47/14 (2006.01) A61K 47/48 (2006.01)

Patent

CA 2702892

The invention relates to improvised pharmaceutical compositions permitting ingestion via oral delivery of proteins/peptides or their conjugates, and/or cation-insulin conjugate complexes demonstrating desirable pharmacokinetic profiles and potency in efficacy models of diabetes in dogs and humans. A preferred formulation comprises 0.01% - 20% w/w of insulin, insulin compound conjugates and/or cation insulin conjugates, 10% - 60% w/w of one or more fatty acid components selected from saturated or unsaturated C4-C12 fatty acids and/or salts of such fatty acids and additionally contains optimal amounts of other pharmaceutically suitable polymer excipients which permit improved solubility, dissolution rate and effective bioavailability of poorly water soluble compositions and consistent in-vivo release profiles upon scalability during manufacture . A further aspect of the invention features the process of preparing the aforesaid formulations.

La présente invention concerne des compositions pharmaceutiques améliorées permettant l'ingestion par voie orale de protéines/peptides ou de leurs conjugués, et/ou de complexes conjugués cation-insuline présentant une efficacité et un profil pharmacocinétique intéressants dans des modèles d'efficacité de diabète chez le chien et l'être humain. Une composition préférée comprend de 0,01 à 20 % poids/poids d'insuline, de conjugués d'un composé d'insuline et/ou de conjugués cation-insuline, de 10 à 60 % poids/poids d'au moins un composant de type acide gras choisi parmi les acides gras en C4-C12 saturés ou insaturés et/ou parmi les sels desdits acides gras et, en outre, des quantités optimales d'autres excipients polymériques acceptables d'un point de vue pharmaceutique et permettant l'amélioration de la solubilité, du taux de dissolution et de la biodisponibilité effective de compositions faiblement solubles dans l'eau, ainsi que l'obtention de profils de libération in vivo cohérents en cas de mise en uvre de quantités plus importantes lors de la fabrication. Un aspect supplémentaire de l'invention concerne le procédé de préparation des compositions susmentionnées.

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