Emulsion-stabilized preparation

A - Human Necessities – 61 – K

Patent

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A61K 9/06 (2006.01) A61K 9/08 (2006.01) A61K 9/107 (2006.01) A61K 9/48 (2006.01) A61K 31/4178 (2006.01) A61K 45/00 (2006.01) A61K 47/34 (2006.01) A61P 1/04 (2006.01) A61P 1/14 (2006.01) A61P 1/18 (2006.01) A61P 3/10 (2006.01) A61P 7/00 (2006.01) A61P 7/04 (2006.01) A61P 9/06 (2006.01) A61P 9/10 (2006.01) A61P 9/12 (2006.01) A61P 11/06 (2006.01) A61P 11/08 (2006.01) A61P 13/12 (2006.01) A61P 15/00 (2006.01) A61P 17/00 (2006.01) A61P 17/02 (2006.01) A61P 17/06 (2006.01) A61P 17/16 (2006.01) A61P 19/02 (2006.0

Patent

CA 2562388

It is intended to provide a medicinal composition having a high biological availability and a process for producing the same which comprises dispersing a drug component in two or more surfactants (for example, surfactants belonging to the same series such as a long-chain fatty acid glyceride having a long- chain polyoxyethylene in its hydrophilic group with a medium-chain fatty acid glyceride having a short-chain polyoxyethylene in its hydrophilic group), adding a small amount of water thereto to give a semisolid or liquid medicinal composition in the form of a microemulsion, and producing an oral preparation such as capsules by using the same so as to form and sustaina stable microemulsion containing the drug component (in particular, a hardly water- soluble drug component) in the digestive tract.

Il est prévu une composition médicinale de disponibilité biologique élevée et un procédé de fabrication de ladite composition, consistant à disperser un composant de médicament en deux ou plusieurs tensioactifs (par exemple, des tensioactifs appartenant à la même série comme un glycéride d'acide gras à longue chaîne ayant un polyoxyéthylène à longue chaîne dans son groupe hydrophile, avec un glycéride d'acide gras à chaîne moyenne ayant un polyoxyéthylène à courte chaîne dans son groupe hydrophile), à ajouter une petite quantité d'eau à celui-ci pour obtenir une composition médicinale semi-solide ou liquide sous forme de microémulsion, et à produire une préparation orale comme des capsules en utilisant ladite composition pour constituer et conserver une microémulsion stable contenant le composant de médicament (en particulier, un composant de médicament à peine soluble dans l'eau) dans l'appareil digestif.

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