Title:
POWDERED AGENT AND PRODUCTION METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2023/229023
Kind Code:
A1
Abstract:
Provided is a powdered agent that forms lipid particles that give an active ingredient an excellent ability to reach the lungs when inhaled and also give the active ingredient a DDS function at the site of arrival. The powdered agent includes constituent particles that contain: a lipid component that contains a PEG-lipid conjugate; and leucine and/or dileucine.
Inventors:
OKUDA TOMOYUKI (JP)
OKAMOTO HIROKAZU (JP)
OKAMOTO HIROKAZU (JP)
Application Number:
PCT/JP2023/019585
Publication Date:
November 30, 2023
Filing Date:
May 25, 2023
Export Citation:
Assignee:
MEIJO UNIV EDUCATIONAL FOUNDATION (JP)
International Classes:
A61K9/14; A61K31/713; A61K47/18; A61K47/24; A61K47/28; A61K47/34
Domestic Patent References:
| WO2020071448A1 | 2020-04-09 |
Foreign References:
| JP2003513031A | 2003-04-08 | |||
| JP2004517127A | 2004-06-10 | |||
| JP2021172597A | 2021-11-01 | |||
| JP2012526858A | 2012-11-01 | |||
| JP2017520549A | 2017-07-27 | |||
| JP2012521389A | 2012-09-13 |
Other References:
HIROKO OTAKE, TOMOYUKI OKUDA, HIROKAZU OKAMOTO: "Development of Spray-Freeze-Dried Powders for Inhalation with High Inhalation Performance and Antihygroscopic Property", CHEMICAL AND PHARMACEUTICAL BULLETIN, PHARMACEUTICAL SOCIETY OF JAPAN, JP, vol. 64, no. 3, 1 March 2016 (2016-03-01), JP , pages 239 - 245, XP093112376, ISSN: 0009-2363
Attorney, Agent or Firm:
KAI-U PATENT LAW FIRM (JP)
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