Dry powder inhaler formulations comprising surface-modified particles with anti-adherent additives
AssigneeVectura Limited
InventorDavid MORTON
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Abstract
The present invention is concerned with a refinement of the processing of particles that are to form a dry powder formulation which is to be administered to the lung using a dry powder inhaler (DPI) device. In particular, the present invention provides the processing of particles of active material and particles of carrier material in the presence of additive material to provide a powder composition which exhibits excellent powder properties and which is economical to produce.
Claims21
1-21. (canceled)
A powder formulation for inhalation comprising an active, one or more additives and a carrier, wherein at least one of the one or more additives is attached to the surface of the active particles and at least one of the one or more additives is attached to the surface of the carrier particles.
Dependencies are inferred from the claim text.