POLYGLYCEROL, COMPLEX GEL COMPOSITION CONTAINING SAID POLYGLYCEROL, DRUG DELIVERY MICRO-NEEDLE INCLUDING SAID COMPLEX GEL COMPOSITION, AND METHODS FOR PRODUCING SAME - KANAGAWA INSTITUTE OF INDUSTRIAL SCIENCE AND TECH

Title:

POLYGLYCEROL, COMPLEX GEL COMPOSITION CONTAINING SAID POLYGLYCEROL, DRUG DELIVERY MICRO-NEEDLE INCLUDING SAID COMPLEX GEL COMPOSITION, AND METHODS FOR PRODUCING SAME

Document Type and Number:

WIPO Patent Application WO/2022/154055

Kind Code:

A1

Abstract:

The present invention achieves both sufficient mechanical strength for puncturing the skin, and high drug-releasing ability after puncturing the skin. A micro-needle 10 has a base part 100 and at least one needle 110 supported by the base part 100. In one mode of the present invention, the needle 110 contains a complex gel composition including a polyglycerol and a copolymer including a phenylboronate-based monomer unit, is capable of holding a drug, and has permeability with respect to the drug.

Inventors:

MATSUMOTO AKIRA (JP)
MIYAZAKI TAKUYA (JP)

Application Number:

PCT/JP2022/000981

Publication Date:

July 21, 2022

Filing Date:

January 13, 2022

Export Citation:

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Assignee:

KANAGAWA INSTITUTE OF INDUSTRIAL SCIENCE AND TECH (JP)
UNIV NAT CORP TOKYO MEDICAL & DENTAL (JP)

International Classes:

C08G65/26; A61K9/70; A61K47/10; A61M37/00; C08G65/331; C08G81/02

Domestic Patent References:

WO2020041787A1

2020-02-27

Foreign References:

JP2020005122A	2020-01-09
JP2005526009A	2005-09-02
JP2013507204A	2013-03-04
CN105646872A	2016-06-08
JPH09235247A	1997-09-09
JP2000506121A	2000-05-23