Title:
METHOD FOR MANUFACTURING DRUG-CONTAINING PARTICLES
Document Type and Number:
WIPO Patent Application WO/2019/160120
Kind Code:
A1
Abstract:
The present invention relates to an efficient method for manufacturing drug-containing particles. This method for manufacturing hollow particles that each comprise a shell and a hollow portion, with the shell containing a drug and a polymer, is characterized by including a step of using a container rotating stirring device to add a polymer and a solvent capable of dissolving the polymer to drug-containing powder while rotating a container and stirring blades, and then rotating the container and the stirring blades to form the particles, wherein the average particle size of the polymer used as a source material is five or more times the average particle size of the drug used as a source material.
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Inventors:
OKA MANAMI (JP)
YOSHIDA MASARU (JP)
YOSHIDA MASARU (JP)
Application Number:
PCT/JP2019/005704
Publication Date:
August 22, 2019
Filing Date:
February 15, 2019
Export Citation:
Assignee:
NIPPON EIRICH CO LTD (JP)
SUMITOMO DAINIPPON PHARMA CO LTD (JP)
SUMITOMO DAINIPPON PHARMA CO LTD (JP)
International Classes:
A61J3/02; A61K9/14; A61K47/10; A61K47/32; A61K47/36; A61K47/38
Domestic Patent References:
| WO2017183628A1 | 2017-10-26 |
Foreign References:
| US20170232409A1 | 2017-08-17 | |||
| US20140255594A1 | 2014-09-11 |
Attorney, Agent or Firm:
TAKASHIMA, Hajime (JP)
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