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Title:
LIPOSOME PREPARATIONS
Document Type and Number:
WIPO Patent Application WO/2003/015753
Kind Code:
A1
Abstract:
Liposome preparations comprising liposomes and a substance having been incorporated in the liposomes, wherein a film agent constituting the liposomes contains a phospholipid and at least one higher saturated fatty acid having 10 to 20 carbon atoms and the molar ratio of the higher saturated fatty acid to the phospholipid ranges from 30 mol% to 50 mol%. These preparations, in which a less expensive film agent is employed as a liposome material, are excellent in the drug retention ratio within the liposomes.

Inventors:
OGATA YOSHITAKA (JP)
Application Number:
PCT/JP2002/008380
Publication Date:
February 27, 2003
Filing Date:
August 20, 2002
Export Citation:
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Assignee:
TERUMO CORP (JP)
OGATA YOSHITAKA (JP)
GOTO HIROSHI (JP)
International Classes:
A61K9/127; A61K38/37; A61P7/00; A61P43/00; (IPC1-7): A61K9/127; A61K38/42; A61K47/12; A61K47/24; A61K47/28; A61K47/32; A61P7/00; A61P43/00
Foreign References:
JPS60155109A1985-08-15
JPH06183954A1994-07-05
JPH0717874A1995-01-20
JPH05320043A1993-12-03
EP0354855A21990-02-14
Attorney, Agent or Firm:
Watanabe, Mochitoshi (12-5 Iwamoto-cho 2-chom, Chiyoda-ku Tokyo, JP)
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