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    • 9. 发明授权
    • Fat emulsions for inhalational administration
    • 用于吸入给药的脂肪乳剂
    • US06544542B1
    • 2003-04-08
    • US09623331
    • 2000-08-30
    • Satoru SonokeJunzo Seki
    • Satoru SonokeJunzo Seki
    • A61F1300
    • A61K9/0078A61K9/0075A61K9/1075
    • The object of the present invention is to provide a pharmaceutical composition optimized for the administration of a drug, particularly a drug which is only sparingly soluble in water, by way of inhalation. The present invention is a fat emulsion for inhalational administration, or a lyophilized composition thereof, which is an o/w fat emulsion comprising fat emulsion particles essentially composed of an oil component, an emulsifying agent and a drug as dispersed in water, characterized in that the average particle diameter of said fat emulsion particles lies within the range of 5˜100 nm. With the aid of a suitable inhaler, the inhalant of the invention readily yields a mist of aerosol particles fine enough to reach the alveolus; the inhalant is well amenable to size control of the aerosol particles.
    • 本发明的目的是提供一种药物组合物,其优选用于通过吸入给药药物,特别是仅微溶于水的药物。本发明是用于吸入给药的脂肪乳剂或冻干的 其组合物是包含基本上由油组分,乳化剂和分散在水中的药物组成的脂肪乳剂颗粒的o / w脂肪乳剂,其特征在于所述脂肪乳剂颗粒的平均粒径在 5〜100nm。借助合适的吸入器,本发明的吸入剂容易产生足够细小的气雾剂雾气到达肺泡; 吸入剂适合于调整气溶胶颗粒的尺寸。