A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 9/24 (2006.01) A61K 9/20 (2006.01)
Patent
CA 2197941
A description is given of a pharmaceutical form for oral administration consisting of a two- or three-layers tablet, wherein at least one layer can rapidly swell by contact with biological and/or aqueous fluids, said swelling resulting in a considerable increase in the tablet volume. Said phenomenon determines a prolonged residence of the pharmaceutical form at the gastric level and therefore allows a slow release of the active ingredient from said pharmaceutical form to the stomach and/or the first tract of the intestine.
Description d'une forme pharmaceutique, administration par voie orale, consistant en un comprimé de deux ou trois couches. Une des couches peut gonfler très rapidement au contact des liquides biologiques et/ou aqueux, le gonflement en question entraînant une augmentation importante du volume du comprimé. Ce phénomène détermine un séjour prolongé de la forme pharmaceutique au niveau gastrique, ce qui permet la libération lente du principe actif de la forme pharmaceutique dans l'estomac et/ou le premier segment de l'intestin.
Conte Ubaldo
Maggi Lauretta
Jagotec Ag
Ridout & Maybee Llp
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