Compressed composite delivery system for release-rate...

Details Compressed composite delivery system for release-rate... Compressed composite delivery system for release-rate...

A - Human Necessities

61

K

A61K 9/24 (2006.01) A61K 9/20 (2006.01) A61K 9/22 (2006.01)

Patent

CA 2574981

The invention is a delivery system comprising a first outer zone which partially surrounds an inner core, a second outer zone which also partially surrounds the core, and the outer zones together form a continuous heterogeneous layer fully surrounding the core. The delivery system is particularly suitable for orally administered multiple drug delivery or multiple rate delivery of biologically active ingredients to the gastrointestinal environment of humans or other animals.

La présente invention décrit un système de relargage constitué d~une première couche extérieure qui enrobe partiellement un noyau et d~une seconde couche extérieure qui enrobe également partiellement le noyau. Les deux couches extérieures forment à elles deux une couche continue hétérogène qui enrobe le noyau de façon totale.Le système de relargage est plus particulièrement adapté à des administrations orales impliquant de multiples relargages de médicaments ou de multiples vitesses de relargage de composés biologiquement actifs dans le système gastro-intestinal d~êtres humains ou d~autres animaux.

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