NANOPARTICULATE OLMESARTAN MEDOXOMIL COMPOSITIONS, PROCESS FOR THE PREPARATION THEREOF AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM

The present invention is directed to nanostructured (nanoparticulated) Olmesartan or its pharmaceutically acceptable ester, preferable Olmesartan Medoxomil, or co-crystal compositions, process for the preparation thereof and pharmaceutical compositions containing them. The nanoparticles of Olmesarta...

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Bibliographic Details
Main Authors PONGRACZ, KATALIN, FILIPCSEI, GENOVEVA, DARVAS, FERENC, OETVOES, ZSOLT
Format Patent
LanguageEnglish
French
Published 13.10.2011
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Summary:The present invention is directed to nanostructured (nanoparticulated) Olmesartan or its pharmaceutically acceptable ester, preferable Olmesartan Medoxomil, or co-crystal compositions, process for the preparation thereof and pharmaceutical compositions containing them. The nanoparticles of Olmesartan or its pharmaceutically acceptable ester, preferable Olmesartan Medoxomil, or co-crystal according to the invention have an average particle size of less than about 500 nm. Olmesartan Medoxomil is an angiotensin II receptor antagonist used to treat high blood pressure. The prodrug Olmesartan Medoxomil is marketed worldwide by Daiichi Sankyo, Ltd. and in the United States by Daiichi Sankyo, Inc. L'invention concerne des nanostructures (nanoparticules) d'olmésartan ou de leur ester pharmaceutiquement acceptable, de préférence d'olmésartan médoxomil, ou des compositions co-cristallines associées, leur procédé de préparation et des compositions pharmaceutiques les contenant. Les nanoparticules d'olmésartan ou de leur ester pharmaceutiquement acceptable, de préférence d'olmésartan médoxomil, ou le co-cristal selon l'invention, présente(nt) une taille particulaire moyenne inférieure à environ 500 nm. L'olmésartan médoxomil est un antagoniste des récepteurs de l'angiotensine II utilisé pour traiter l'hypertension. Le promédicament olmésartan médoxomil est commercialisé dans le monde entier par Daiichi Sankyo, Ltd. et aux Etats-Unis par Daiichi Sankyo, Inc.
Bibliography:Application Number: WO2010HU00072