Liposome composition
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United States of America Patent
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Jul 4, 1989
Grant Date -
N/A
app pub date -
Nov 21, 1986
filing date -
Nov 22, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Liposome compositions in which a drug is retained in stable condition are prepared by dispersing liposomes obtained by removal of a solvent from a drug-containing w/o emulsion in an aqueous solution having an osmotic pressure higher by at least 20 percent than the osmotic pressure of a solution used for entrapping the drug in said liposomes. This composition is conducive to a sustained therapeutic efficacy or a better delivery of the drug to a target organ.
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