Dry-powder medicament

Details Dry-powder medicament Dry-powder medicament

A - Human Necessities

61

K

A61K 9/00 (2006.01) A61K 31/00 (2006.01) A61K 31/31 (2006.01)

Patent

CA 2693577

This invention relates to a dry powder medicament and particularly to a medicament which provides improved fine particle fraction. The method for preparing the inhalable dry-powder medicament comprises the steps of: (i) fractionating a particulate active ingredient based on aerodynamic particle size, (ii) recovering at least one fraction of the particulate active ingredient and (iii) combining the recovered fraction with a carrier to provide the inhalable dry-powder medicament. A dry-powder medicament per se is also described.

L'invention porte sur un médicament sous forme de poudre sèche et, en particulier, sur un médicament qui fournit une fraction améliorée de fines particules. Le procédé de préparation du médicament en poudre sèche inhalable comprend les étapes consistant à : (i) fractionner un principe actif particulaire sur la base d'une dimension de particule aérodynamique, (ii) récupérer au moins une fraction du principe actif particulaire, et (iii) combiner la fraction récupérée avec un support pour fournir le médicament en poudre sèche inhalable. L'invention porte également sur un médicament sous forme de poudre sèche en tant que tel.

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