The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 03, 2023

Filed:

Mar. 27, 2023
Applicant:

Jiangnan University, Wuxi, CN;

Inventors:

Yan Hong, Wuxi, CN;

Beibei Zhao, Wuxi, CN;

Zhengbiao Gu, Wuxi, CN;

Li Cheng, Wuxi, CN;

Zhaofeng Li, Wuxi, CN;

Caiming Li, Wuxi, CN;

Xiaofeng Ban, Wuxi, CN;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/337 (2006.01); A61K 9/48 (2006.01); A61K 9/50 (2006.01); A61K 9/00 (2006.01);
U.S. Cl.
CPC ...
A61K 31/337 (2013.01); A61K 9/0053 (2013.01); A61K 9/4866 (2013.01); A61K 9/5036 (2013.01);
Abstract

Disclosed is a method for preparing high-load oral paclitaxel capsule for a slow release in colon, belonging to the field of porous starch drug loading. The preparation method of the present disclosure includes the following steps: (1) dripping an ethanol solution of paclitaxel into a water phase and drying the solution to obtain an amorphous paclitaxel microsphere; (2) redissolving the paclitaxel microsphere prepared in step (1) in the ethanol solution, dispersing porous starch in the ethanol solution for adsorption, volatilizing a solvent in an oven, washing the porous starch with the ethanol solution to remove unadsorbed paclitaxel, and centrifuging same to obtain a precipitate, namely the porous starch loaded with paclitaxel; and (3) dispersing the porous starch loaded with paclitaxel prepared in step (2) in a chitosan solution, dropwise adding the solution into a phytic acid solution, and stirring the solution for 4 hours to obtain a coated capsule.


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