Process for preparing combination pharmaceutical...

A - Human Necessities – 61 – K

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A61K 9/16 (2006.01) A61J 3/02 (2006.01) A61K 31/337 (2006.01) A61K 31/43 (2006.01) A61K 31/7048 (2006.01) A61K 45/06 (2006.01) A61P 31/04 (2006.01)

Patent

CA 2510019

The invention is directed to a process for preparing a pharmaceutical formulation containing two or more active pharmaceutical ingredients comprising: (a) contacting two or more active pharmaceutical ingredients with a supercritical fluid to form a supercritical fluid solution; and (b) separating the active ingredients from the supercritical solution to yield a powder precipitate. Preferably, the pharmaceutical formulation prepared according to the invention contains a combination of two anti-infective agents or two anticancer agents. The invention is further directed to a process for preparing a pharmaceutical formulation containing two or more active pharmaceutical ingredients comprising: (a) combining two or more active ingredients with a cosolvent to form a solution; (b) contacting the solution with a supercritical fluid; and (c) recovering the precipitate in a powder form.

L'invention concerne un procédé d'obtention d'une préparation pharmaceutiques comprenant au moins deux ingrédients pharmaceutiques actifs. Ce procédé consiste : (a) à mettre au moins deux ingrédients pharmaceutiques actifs en contact avec un liquide supercritique de manière à former une solution liquide supercritique ; et (b) à séparer les ingrédients actifs de la solution supercritique pour obtenir un précipité en poudre. La préparation pharmaceutique obtenue selon le procédé de l'invention contient de préférence une combinaison de deux agents anti-infectieux ou de deux agents anti-cancéreux. L'invention concerne en outre un procédé d'obtention d'une préparation pharmaceutique consistant : (a) à combiner au moins deux ingrédients actifs avec un cosolvant pour former une solution ; (b) à mettre cette solution en contact avec un liquide supercritique ; et (c) à récupérer le précipité sous forme de poudre.

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