Pharmaceutical compositions comprising a combination of...

A - Human Necessities – 61 – K

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A61K 9/26 (2006.01) A61K 9/48 (2006.01) A61K 9/50 (2006.01) A61K 9/58 (2006.01) A61K 31/137 (2006.01) A61K 31/445 (2006.01)

Patent

CA 2654525

A pharmaceutical composition comprising a first therapeutic agent and a second therapeutic agent is described. A plurality of particles comprising (i) an interior comprising the second therapeutic agent and (ii) an exterior comprising a material for controlling the release of the second therapeutic agent may be disposed within a mixture, wherein the mixture comprises the first therapeutic agent. The first therapeutic agent may be a piperidinoalkanol, such as fexofenadine, and the second therapeutic agent may be a decongestant, such as pseudoephedrine. The interior may comprise an inner core and an intermediate layer disposed over the inner core, wherein the second therapeutic agent is contained in the intermediate layer. Methods of treating congestion with a pharmaceutical composition comprising a piperidinoalkanol and a decongestant are also described.

L'invention concerne une composition pharmaceutique comprenant un premier agent thérapeutique et un second agent thérapeutique. Une pluralité de particules comprenant (i) une partie intérieure renfermant le second agent thérapeutique et (ii) une partie extérieure renfermant une matière destinée à réguler la libération du second agent thérapeutique, peuvent être disposées dans un mélange, ce mélange contenant le premier agent thérapeutique. Le premier agent thérapeutique peut être un pipéridinoalcanol, tel que de la fexofénadine, et le second agent thérapeutique peut être un décongestionnant, tel que de la pseudoéphédrine. La partie intérieure peut comprendre un noyau intérieur et une couche intermédiaire disposée sur ce noyau intérieur, le second agent thérapeutique étant contenu dans cette couche intermédiaire. L'invention concerne également des méthodes de traitement d'une congestion au moyen d'une composition pharmaceutique renfermant un pipéridinoalcanol et un décongestionnant.

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