Method

A - Human Necessities – 61 – K

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Details

A61K 49/00 (2006.01) A61K 49/06 (2006.01) A61K 49/18 (2006.01)

Patent

CA 2265856

The invention provides the use of a physiologically tolerable manganese compound or a salt thereof, substantially free from hydrophilic polymer components containing a significant amount of a Mn2+- chelating unit, in the manufacture of an enterally, e.g. orally or rectally, administrable MRI contrast medium composition for use in a method of imaging of a human or non- human animal body which has fasted for a period of at least 6, preferably at least 10, more preferably at least 12 hours before enteral administration of said composition. It has been found that diagnostically effective levels of uptake of orally or rectally administered manganese may be achieved using this method.

L'invention porte sur l'emploi d'un composé de manganèse physiologiquement tolérable, ou un sel dudit composé, sensiblement exempt d'éléments polymériques hydrophiles, contenant une quantité importante d'une unité de chélation de Mn?2+¿ dans la fabrication d'une composition d'un milieu de contraste pour IRM administrable par voie intestinale (c'est-à-dire par voie orale ou rectale), ladite composition pouvant être utilisée dans un procédé d'imagerie d'un corps humain ou d'un corps animal soumis au jeûne pendant au moins 6 heures, de préférence pendant au moins 10 heures ou, mieux encore, pendant au moins 12 heures avant administration entérale de ladite composition. On a découvert que, à titre diagnostique, des niveaux d'assimilation efficaces du manganèse administré par voie orale ou rectale peuvent être obtenus grâce au procédé de l'invention.

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