Title:
キトサン粉末含有固形製剤およびその製造方法
Document Type and Number:
Japanese Patent JP4659316
Kind Code:
B2
Abstract:
A colonic delivery solid preparation containing chitosan powder, which can control the dissolution of a medicament therefrom in the large intestine and release the medicament contained therein specifically in the large intestine, obtained by successively coating a medicament-containing solid material with (1) a water-insoluble polymer having a chitosan powder dispersed therein and (2) an enteric polymer; and a solid preparation containing chitosan powder, which can partly release a medicament in the stomach and, after passing through the small intestine, disintegrate at an accelerated rate in the large intestine and release a medicament in the large intestine, obtained by coating a medicament-containing solid material with a water-insoluble polymer having a chitosan powder dispersed therein.
Inventors:
Shimotsuke corporation
Masaaki Mori
Yutaka Higashi
Masaaki Mori
Yutaka Higashi
Application Number:
JP2001514983A
Publication Date:
March 30, 2011
Filing Date:
August 07, 2000
Export Citation:
Assignee:
Sumitomo Dainippon Pharma Co., Ltd.
International Classes:
A61K47/36; A61K9/32; A61K9/36; A61K9/48; A61K9/50; A61K47/34; A61K47/38
Domestic Patent References:
| JPH072701A | 1995-01-06 | |||
| JPH055065A | 1993-01-14 | |||
| JPH04264021A | 1992-09-18 | |||
| JPH04264022A | 1992-09-18 | |||
| JPH04264023A | 1992-09-18 | |||
| JPH04247026A | 1992-09-03 | |||
| JPH0469333A | 1992-03-04 | |||
| JPH02504145A | 1990-11-29 |
Attorney, Agent or Firm:
Kyousei Tamura
Samejima Mutsumi
Masahiro Nitta
Kure Hidenori
Samejima Mutsumi
Masahiro Nitta
Kure Hidenori