Dosage form with a core tablet of active ingredient sheathed...

A - Human Necessities – 61 – K

Patent

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Details

A61K 9/24 (2006.01) A61K 9/20 (2006.01) A61K 9/28 (2006.01) A61K 9/30 (2006.01) A61K 31/195 (2006.01) A61K 31/216 (2006.01) A61K 31/4045 (2006.01) A61K 31/433 (2006.01) A61K 31/663 (2006.01) A61K 45/06 (2006.01) B29C 43/20 (2006.01) B30B 11/08 (2006.01) B30B 11/34 (2006.01)

Patent

CA 2470495

A solid dosage form for oral administration to a patient comprising a core tablet sheathed in an annular body of compressed powder or granular material is provided. A preferred embodiment of the solid dosage form reduces contact of the active ingrredient in solid form with the mucosa lining the gastrointestinal tract, which is particularly advantageous for delivering an ulcerative drug. A tool set comprising a columnar punch and a punch assembly comprising an annular punch and core rod, and a tableting process for making the solid dosage form are also provided.

Cette invention se rapporte à une forme posologique solide pour administration par voie orale, qui comprend une pastille noyau enrobée dans un corps annulaire de poudre ou de substance granulaire comprimée. Dans un mode de réalisation préféré, cette forme posologique solide réduit le contact du principe actif sous forme solide avec les muqueuses tapissant le tube digestif, ce qui est particulièrement avantageux lors de l'administration d'un médicament ulcérant. Un ensemble d'outils comprenant un poinçon en colonne et une unité poinçon constituée d'un poinçon annulaire et d'une tige noyau, ainsi qu'un procédé de fabrication de comprimés servant à produire cette forme posologique solide sont également décrits.

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