| 摘要 |
The invention relates to 17-HPC pulmonary formulations for administration by inhalation comprising 17-HPC and a pharmaceutically acceptable excipient. Particle size reduction of 17-HPC is required for the pulmonary delivery, and can be achieved with a surfactant or water without the surfactant. Preferred pulmonary formulations include a powder blend comprising a therapeutically effective amount of at least one steroid hormone (progestogen) as a glucocorticoid sensitizer, and at least one pharmaceutically acceptable excipient, wherein the at least one steroid hormone (progestogen) has a particle size distribution profile ranging from about one nanometer to about ten microns in the powder blend.
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