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Title:
CHITOSAN CONTAINING SOLUTION
Document Type and Number:
WIPO Patent Application WO2005079749
Kind Code:
A3
Abstract:
The invention provides a composition comprising (i) chitosan, a sait or derivative thereof or a sait of a derivative thereof, (ii) a polyol-phosphate or sugar-phosphate salt, (iii) a plasticizer, and (iv) a therapeutic agent. Typically, the composition is a solution or suspension at ambient temperature but forms a gel at physiological temperatures.

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Inventors:
DYER ANN MARGARET (GB)
PASTOR PATRICIA (GB)
ILLUM LISBETH (GB)
Application Number:
PCT/GB2005/000592
Publication Date:
March 23, 2006
Filing Date:
February 18, 2005
Export Citation:
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Assignee:
CAL RES CT LTD WEST PHARMACEUT (GB)
DYER ANN MARGARET (GB)
PASTOR PATRICIA (GB)
ILLUM LISBETH (GB)
International Classes:
A61K47/36; A61K9/00; A61K31/485
Domestic Patent References:
WO2002040072A22002-05-23
WO2001036000A12001-05-25
WO1996003142A11996-02-08
Foreign References:
US20030158302A12003-08-21
US5422116A1995-06-06
Other References:
HOFFMAN A S ET AL: "RELEASE OF CYTOKINE RECEPTORS FROM PHYSICAL HYDROGELS OF PLURONIC POLYETHERS GRAFTED TO CHITOSAN BACKBONES", PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM ON CONTROLLED RELEASE BIOACTIVE MATERIALS, vol. 24, 1997, pages 126 - 127, XP001029276, ISSN: 1022-0178
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