Title:
CAPSULE FOR SPECIFIC DRUG DELIVERY AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/222972
Kind Code:
A1
Abstract:
A capsule for specific drug delivery and a preparation method therefor, relating to a capsule containing a non-liquid filler and a modified release coating. The modified release coating covers a capsule shell, an isolating layer is provided between the capsule shell and the modified release coating, and no sealing film is provided between the body and cap of the capsule. The capsule can be used for delivering a drug to an intestinal track, and exhibits excellent characteristics in mass production of capsules and drug release.
Inventors:
SUN HAIFENG (CN)
WANG WEIBI (CN)
WANG WEI (CN)
WANG JIE (CN)
CAO XIAOLI (CN)
MO ZHIRONG (CN)
WANG WEIBI (CN)
WANG WEI (CN)
WANG JIE (CN)
CAO XIAOLI (CN)
MO ZHIRONG (CN)
Application Number:
PCT/CN2022/087994
Publication Date:
October 27, 2022
Filing Date:
April 20, 2022
Export Citation:
Assignee:
JIANGSU HENGRUI PHARMACEUTICALS CO LTD (CN)
International Classes:
A61K9/48; A61K9/54; A61P1/00; A61P1/16; A61P13/12
Domestic Patent References:
| WO2010122574A2 | 2010-10-28 |
Foreign References:
| US5068110A | 1991-11-26 | |||
| US20190000768A1 | 2019-01-03 | |||
| CN102088962A | 2011-06-08 | |||
| US4816259A | 1989-03-28 | |||
| GB1190387A | 1970-05-06 | |||
| CN106265587A | 2017-01-04 | |||
| CN202110423824A | 2021-04-20 | |||
| US6228396B1 | 2001-05-08 | |||
| CN106456554A | 2017-02-22 | |||
| CN106265587A | 2017-01-04 | |||
| CN102088962A | 2011-06-08 |
Other References:
COLE, E. T. ET AL.,: "Enteric coated HPMC capsules designed to achieve intestinal targeting,", INTERNATIONAL JOURNAL OF PHARMACEUTICS, vol. 231, 31 December 2002 (2002-12-31), XP055566621, DOI: 10.1016/S0378-5173(01)00871-7
LIU SONGLIN, WANG SHAO-ZHEN;CHEN CHENG: "Study on the Application of Polyacrylic Resin in Enteric Gelatin Hollow Capsule", GUANGZHOU CHEMICAL INDUSTRY, vol. 48, no. 11, 30 June 2020 (2020-06-30), XP055978879, ISSN: 1001-9677
JOURNAL OF DRUG DELIVERY SCIENCE AND TECHNOLOGY, vol. 25, 2015, pages 36 - 42
LIU SONGLIN, WANG SHAO-ZHEN;CHEN CHENG: "Study on the Application of Polyacrylic Resin in Enteric Gelatin Hollow Capsule", GUANGZHOU CHEMICAL INDUSTRY, vol. 48, no. 11, 30 June 2020 (2020-06-30), XP055978879, ISSN: 1001-9677
JOURNAL OF DRUG DELIVERY SCIENCE AND TECHNOLOGY, vol. 25, 2015, pages 36 - 42
Attorney, Agent or Firm:
SHANGHAI BESHINING LAW OFFICE (CN)
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