Micropellet containing pellets and method of preparing such...

A - Human Necessities – 61 – K

Patent

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A61K 9/14 (2006.01) A61K 9/16 (2006.01) A61K 9/48 (2006.01) A61K 9/52 (2006.01) A61K 9/64 (2006.01)

Patent

CA 2566311

The invention provides novel pellets adapted for biologically active preparations and a novel process for preparing said pellets. The novel pellets are adapted for use in the delivery of a biologically active agent. The pellets have an inner zone comprising a plurality of micropellets which are bound together to form a pellet when the micropellets are dispersed in a matrix of an inert pharmaceutical excipient, a biologically active agent and optionally having an outer zone comprising a surface layer comprising a pharmaceutical excipient with or without a biologically active agent. The pellets will have an arcuate surface due to the manner in which they are formed.

La présente invention concerne de nouveaux granulés conçus pour des préparations biologiquement actives et un nouveau processus de préparation de ces granulés. Ces nouveaux granulés sont conçus pour être utilisés dans l'apport d'un agent biologiquement actif. Ces granulés possèdent une zone intérieure comprenant une pluralité de microgranulés qui sont liés ensemble de façons à former un granulé lorsque ces microgranulés sont dispersés dans la matrice d'un excipient pharmaceutique inerte, un agent biologiquement actif possédant éventuellement une zone extérieure comprenant une couche de surface, laquelle comprend un excipient pharmaceutique avec ou sans agent biologiquement actif. Ces granulés ont une surface arquée due à la manière dont ils sont formés.

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