Multiparticulate controlled release selective serotonin...

A - Human Necessities – 61 – K

Patent

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Details

A61K 9/50 (2006.01) A61K 31/15 (2006.01) A61K 47/30 (2006.01) A61P 25/18 (2006.01) A61P 25/24 (2006.01)

Patent

CA 2374039

A multiparticulate controlled release selective serotonin reuptake inhibitor (SSRI) formulation for oral administration comprises particles of said SSRI or a phamaceutically acceptable salt thereof coated with rate-controlling polymer which allows controlled release of said SSRI, over a period of not less than about 12 hours following oral administration. The formulation, which contains for example fluvoxamine or a pharmaceutically acceptable salt thereof, is suitable for once or twice daily administration. The formulation can comprise a blend of two or more populations of particles, pellets or mini-tablets having different in vitro and/or in vivo release characteristics.

La présente invention concerne une préparation d'inhibiteurs spécifiques du recaptage de la sérotonine (SSRI) à libération multiparticulaire régulée destinée à une administration orale, qui comprend des particules desdits SSRI ou un sel pharmaceutiquement acceptable de ceux-ci revêtues d'un polymère régulateur de débit qui permet de réguler la libération des SSRI, pendant une durée suivant l'administration orale qui n'est pas inférieure à environ 12 heures. Cette préparation, qui contient par exemple de la fluvoxamine ou un sel pharmaceutiquement acceptable de celle-ci, convient pour une ou deux administrations quotidiennes. Cette préparation peut comprendre un mélange d'au moins deux populations de particules, de granules ou de mini-comprimés possédant des caractéristiques de libération in vitro et/ou in vivo différentes.

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