[3'-desoxy-3'-oxo-mebmt]1-[val]2-ciclosporin-containing...

A - Human Necessities – 61 – K

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Details

A61K 38/13 (2006.01) A61K 9/107 (2006.01) A61K 31/4353 (2006.01) A61K 31/436 (2006.01) A61K 47/10 (2006.01) A61K 47/12 (2006.01) A61K 47/24 (2006.01)

Patent

CA 2240339

A process for preparing an emulsion composition comprising a cyclosporin, a rapamycin or an ascomycin or a derivative thereof as active agent, which process comprises the step of admixing to a placebo fat emulsion a concentrate comprising a) the active agent, b) a stabiliser selected from a phospholipid, a glycolipid, a sphingolipid, a diacylphosphatidyl glycerol, an egg-phosphatidylglycerol, a soy-phosphatidyglycerol, a diacyl-phosphatidyiglycerol, or a salt thereof; or a saturated, mono- or di-unsaturated (C12-24) fatty acid, or a salt thereof, and c) an organic solvent, wherein the weight ratio of active agent to stabiliser is between 400:1 and 0.5:1. The invention also provides ready-to-use emulsions, e.g. for intravenous administration, prepared using the above process.

On décrit un procédé de préparation d'une composition à base d'une émulsion et comprenant en tant que principe actif une cyclosporine, une rapamycine ou une ascomycine ou un dérivé de celles-ci, ce procédé comprenant l'étape consistant à ajouter à une émulsion de matière grasse de type placebo un concentré composé: a) d'un principe actif, b) d'un agent de stabilisation choisi parmi un phospholipide, un glycolipide, un sphingolipide, un glycérol de diacylphosphatidyle, un phosphatidylglycérol d'oeuf, un phosphatidylglycérol de soja, un diacyl-phosphatidylglycérol, ou un sel de ceux-ci, et c) d'un solvant organique, le rapport pondéral entre le principe actif et l'agent de stabilisation étant compris entre 400/1 et 0,5/1. L'invention concerne également des émulsions prêtes à l'emploi, par exemple pour administration intraveineuse, préparées à l'aide du procédé ci-dessus.

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