Aerosolizable particles resistant to hygroscopic growth

Details Aerosolizable particles resistant to hygroscopic growth Aerosolizable particles resistant to hygroscopic growth

A - Human Necessities

61

K

A61K 47/36 (2006.01) A61K 9/12 (2006.01) A61K 9/14 (2006.01) A61K 9/72 (2006.01) A61K 45/00 (2006.01) A61K 47/24 (2006.01) A61K 47/38 (2006.01) A61K 47/40 (2006.01) A61K 47/44 (2006.01) A61M 11/00 (2006.01) A61M 13/00 (2006.01)

Patent

CA 2343920

The present invention is directed to particulate compositions and methods for delivering an active agent to the lung of a human patient. The active agent formulation is in dry powder form and exhibits (i) low moisture sorption, and (ii) a resistance to hygrosscopic growth, particularly under simulated lung conditions.

L'invention concerne des compositions particulaires et des procédés d'administration par voie pulmonaire d'un agent actif à un sujet humain. La formulation de l'agent actif se présente sous forme de poudre sèche et présente (i) un faible taux de sorption d'humidité et (ii) une résistance à la croissance hygroscopique, notamment dans des conditions pulmonaires simulées.

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