DRUG DELIVERY SYSTEM AND MANUFACTURING METHOD THEREFOR

Title:

DRUG DELIVERY SYSTEM AND MANUFACTURING METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2023/204460

Kind Code:

A1

Abstract:

Disclosed are a drug delivery system and a manufacturing method therefor. A manufacturing method for a drug delivery system according to an embodiment may comprise: a micelle preparing step of mixing and stirring a biodegradable polymer solution and an oil to prepare polymer micelles; a bead preparing step of crosslinking the polymer micelles to prepare hydrogel beads filled with the oil inside; a hollow bead preparing step of removing the oil contained in the hydrogel beads to prepare hollow beads; and a packing step of packing an additive into the hollow beads.

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Inventors:

NAM JUNG HYUK (KR)
CHOI DOO YEOL (KR)

Application Number:

PCT/KR2023/003844

Publication Date:

October 26, 2023

Filing Date:

March 23, 2023

Export Citation:

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Assignee:

MEPION CO LTD (KR)

International Classes:

A61K9/107; A61K47/36

Foreign References:

CN113521392A	2021-10-22
KR20130133692A	2013-12-09
US20120258155A1	2012-10-11
KR101854540B1	2018-06-20

Other References:

SEONG, Y.-J ET AL.: "Hyaluronic Acid-Based Hybrid Hydrogel Microspheres with Enhanced Structural Stability and High Injectability", ACS OMEGA, vol. 4, no. 9, 2019, pages 13834 - 13844, XP093015821, DOI: 10.1021/acsomega.9b01475

Attorney, Agent or Firm:

LIGHT AND SALT PATENT AND LAW FIRM (KR)

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