Invention Grant
US09539211B2 Ultra low density pulmonary powders 有权
超低密度肺粉

Ultra low density pulmonary powders
Abstract:
The invention provides pharmaceutical compositions for pulmonary delivery comprising particles containing a pharmaceutical agent and having a geometric size of greater than about 5 μm and a tap density of less than about 0.075 g/cm3. The invention also provides methods for delivering the pharmaceutical compositions of the invention to the respiratory tract of a patient.
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