초록

This invention relates to a novel, non-conventional liposome formulation for the sustained release and delivery of steroids. The formulation provides prolonged release of the drug, improved therapeutic ratio, lower toxicity, reduced systemic side effects and is stable for several months.

대표청구항 ▼

A liposome composition delivered by inhalation consisting essentially of a nonphosphlipid lipid mixture of cholesterol and cholesterol salt, said salt being selected from the group consisting of sulphatae, phosphate, nitrate and maleate, the ratio of cholesterol salt to cholesterol to a drug being f

A liposome composition delivered by inhalation consisting essentially of a nonphosphlipid lipid mixture of cholesterol and cholesterol salt, said salt being selected from the group consisting of sulphatae, phosphate, nitrate and maleate, the ratio of cholesterol salt to cholesterol to a drug being from 30 to 70 mole % of cholesterol salt, from 20 to 50 mole % of of a cholesterol and 0.01 to 20 mole % of the steroidal drug.