Oral preparations with favorable disintegration characteristics

A - Human Necessities – 61 – K

Patent

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Details

A61K 9/16 (2006.01) A61K 9/00 (2006.01) A61K 9/20 (2006.01) A61K 9/30 (2006.01) A61K 31/496 (2006.01) A61K 45/00 (2006.01) A61K 47/10 (2006.01) A61K 47/26 (2006.01) A61K 47/30 (2006.01)

Patent

CA 2424001

Oral preparations containing a hardly water-soluble active ingredient and having favorable disintegration characteristics which comprise a molded solid article (for example, granules) obtained by mixing the hardly water-soluble active ingredient, a first disintegrating agent and a water-soluble filler with the use of a water-soluble polymer binder and then mixing this molded solid article with a second disintegrating agent, or a molded solid article obtained by mixing the hardly water-soluble active ingredient, a disintegrating agent and a sugar alcohol with the use of a water-soluble polymer binder. When orally administered, these preparations show excellent elution of the active ingredient in the digestive tract. Moreover, these preparations can show the same elution behavior at different contents of the active ingredient and thus enable the selection of the most suitable drug for each patient, which makes these preparations highly useful in clinical medicine.

L'invention concerne des préparations orales renfermant un principe actif très peu hydro-soluble et présentant de bonnes caractéristiques de désagrégation. Les préparations comprennent un article solide moulé (p. ex. des granules) obtenu par mélange du principe actif, d'un premier délitant et d'une charge hydro-soluble au moyen d'un liant polymère hydro-soluble, puis par mélange de cet article solide moulé avec un second délitant. Les préparations comprennent éventuellement un article solide moulé obtenu par mélange du principe actif très peu hydro-soluble, d'un délitant et d'un alcool glucidique au moyen d'un liant polymère hydro-soluble. Lorsqu'elles sont administrées oralement, ces préparations présentent une excellente élution du principe actif dans le tractus digestif. Ces préparations peuvent, par ailleurs, montrer le même comportement d'élution avec des quantités de principe actif différentes et permettent ainsi de choisir le médicament le plus adéquat pour chaque patient, rendant ces préparations très utiles en médecine clinique.

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