Title:
AQUEOUS SUSPENSION MEDICINE
Document Type and Number:
WIPO Patent Application WO/2004/073748
Kind Code:
A1
Abstract:
An aqueous suspension medicine which is prepared from a mixture of a sparingly soluble drug, a polymer of a polar amino acid having a charged side chain or salt thereof, and a nonionic surfactant. In the aqueous suspension medicine obtained, the sparingly soluble drug which has sedimented is prevented from aggregating and readily separates from the container. Consequently, the aqueous suspension medicine is usable as eye drops, nasal drops, ear drops, etc. which are excellent in redispersibility.
Inventors:
MATSUHISA KEIICHI (JP)
Application Number:
PCT/JP2004/001833
Publication Date:
September 02, 2004
Filing Date:
February 18, 2004
Export Citation:
Assignee:
SENJU PHARMA CO (JP)
MATSUHISA KEIICHI (JP)
MATSUHISA KEIICHI (JP)
International Classes:
A61K9/00; A61K31/56; A61K31/573; A61K47/34; A61P11/02; A61P27/02; A61P27/16; (IPC1-7): A61K47/34; A61K9/10; A61K31/56; A61K31/573; A61K47/42; A61P11/02; A61P27/02; A61P27/16
Foreign References:
| EP0868919A2 | 1998-10-07 | |||
| US5470510A | 1995-11-28 | |||
| US5741478A | 1998-04-21 | |||
| JP2000192015A | 2000-07-11 | |||
| US6274634B1 | 2001-08-14 |
Attorney, Agent or Firm:
Tani, Yoshitaka (3F 1-13, Awajimachi 2-chome, Chuo-ku, Osaka-sh, Osaka 47, JP)
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