VENEZIANI, CRISTINA,CAPONETTI, GIOVANNI,MAGGI, LORETTA,ZANELLOTTI, LAURA
申请号:
PL06807435
公开号:
PL1937229T3
申请日:
2006.10.20
申请国别(地区):
PL
年份:
2015
代理人:
摘要:
Provided is an inhalatory pharmaceutical composition that comprises a drug, a soluble excipient and a surfactant, wherein the soluble excipient is present in an amount between 10% and less than 100% by weight; and the solid excipient forms a solid matrix in which the drug is dispersed; the weight ratio between the surfactant and drug is between 0.01 and 10; the particle size of at least 50% of the particles of the powder is below 5 μm; the bulk density db of the powder is between 0.1 and 0.3 g/cc; the tapped density dt of the powder is between 0.15 and 0.7 g/cc and the ratio db/dt is between 0.2 and 0.65. Also provided is the method for fabricating the composition.