Soft-pellet drug and process for the preparation thereof

A - Human Necessities – 61 – K

Patent

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Details

A61K 9/16 (2006.01) A61K 9/72 (2006.01) A61K 31/395 (2006.01) A61K 31/404 (2006.01) A61K 31/415 (2006.01) A61K 31/436 (2006.01)

Patent

CA 2310826

A soft-pellet drug suitable for inhalation, which is easily handleable in pharmaceutical preparation, does not give the feeling of irritation to a taker, and permits the control of drug particle size distribution at inhalation. The soft-pellet drug can be prepared by dissolving or suspending a medicinal compound having self-agglomerability in a fluid containing a sugar such as lactose, drying the obtained solution or suspension, pulverising the residue of the drying, and shaping the obtained powdery mixture into soft pellets having a mean particle diameter of 100 µm to 1 mm by means of tumbling in a drum tumbler or the like.

L'invention concerne un médicament en pastilles souples conçu pour être inhalé. Le médicament peut être aisément intégré à une préparation pharmaceutique, ne crée pas de sensations d'irritation chez l'utilisateur et permet de contrôler la répartition de la taille des particules lors de l'inhalation. On fabrique le médicament en pastilles souples par la dissolution ou la suspension d'un composé médicinal qui possède des propriétés d'auto-agglomération dans un liquide contenant un sucre tel que le lactose, par le séchage de la solution ou de la suspension qui en résulte, par la pulvérisation du résidu du séchage et par le formage du mélange en poudre ainsi obtenu pour fabriquer des pastilles souples à diamètre particulaire moyen compris entre 100 µm et 1 mm, et ce par finition dans un mélangeur à tambour ou par un procédé similaire.

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