MICRONEEDLE COATED WITH DRUG AND MANUFACTURING METHOD FOR SAME

WIPO Patent Application WO/2020/004745

A1

The present invention relates to a microneedle coated with a drug and a manufacturing method for same and, more specifically, to a microneedle coated with a drug and a manufacturing method for same, the microneedle delivering a drug by physically puncturing the stratum corneum of skin. The microneedle coated with a drug is represented by chemical formula 1 and is characterized in that the drug is discharged by means of an oxidation-reduction reaction after the skin is penetrated. [Chemical formula 1] MN-S-S-D In chemical formula 1, MN is the microneedle containing silica (SiO2), S-S is a disulfide bond, and D is the drug. The microneedle coated with a drug according to the present invention is useful as a functional cosmetic material having whitening, wrinkle softening, anti-inflammatory functions, and the like, by effectively delivering the drug which has excellent functions but low skin permeation.

SONG BYUNG HO (KR)
JEONG KWANG TAEK (KR)
JI MIN JAE (KR)
NAM DA YEONG (KR)
EOM HYE SEON (KR)
KIM JI YOUNG (KR)

PCT/KR2018/016032

January 02, 2020

December 17, 2018

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SR BIOTEK INC (KR)

A61K9/00; A61K8/02; A61K47/54; A61M37/00; A61Q19/00

KR20160064410A	2016-06-08
KR20180011653A	2018-02-02
KR100937389B1	2010-01-19
KR101728125B1	2017-04-19
KR100937389B1	2010-01-19
KR101810231B1	2017-12-18
KR101854446B1	2018-06-14

MCINNES ET AL.: "Silicon-polymer hybrid materials for drug deliver", FUTURE MED. CHEM, vol. 1, no. 6, 2009, pages 1051 - 1074, XP055673064
See also references of EP 3824875A4

HAEDAM IP GROUP (KR)

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