Spheroids prepared from an isolated active principle of...

A - Human Necessities – 61 – K

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A61K 9/16 (2006.01) A61K 36/00 (2006.01)

Patent

CA 2598226

The invention relates to spheroids which are obtained using a method comprising the following steps consisting in: supplying an active principle of vegetable origin in an isolated form; supplying a solution of vegetable origin, containing the active principle or a precursor thereof; supplying an absorbing and adsorbing substance having plastic properties that are compatible with the method; mixing said different products and wetting the mixture with a wetting liquid as required; extruding the wet mixture; and forming spheroids through the spheronisation of the extruded product. The invention also relates to sample applications such as artesunate-based antimalarial spheroids and aspirin-based spheroids.

Les sphéroïdes sont obtenus par un procédé comprenant les étapes suivantes : fournir d'une part un principe actif d'origine végétale sous une forme isolée ; fournir d'autre part une solution d'origine végétale contenant Ie principe actif ou un précurseur de celui-ci ; fournir une substance absorbante et adsorbante, presentant des propriétés plastiques compatibles avec Ie procédé ; mélanger ces différents produits et mouiller Ie mélange au moyen d'un liquide d' humidif ication si necessaire, extruder Ie mélange humide ; former des sphéroïdes par sphéronisation du produit extrude . Des sphéroïdes antipaludigues à base d'artésunate et des sphéroïdes à base d' aspirine ont été décrits a titre d'exemples d' application.

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