| abstract |
The present invention provides methods and preparations that advantageously enable efficient delivery of bioactive agents to the lung airways of patients in need thereof. A stable respiratory dispersion for pulmonary delivery of one or more bioactive agents, wherein the dispersion includes a plurality of perforated microstructures containing at least one bioactive agent dispersed therein. A stable dispersion for respiratory use, wherein the suspension medium comprises at least one propellant and substantially penetrates the perforated microstructure. [Selection figure] None |