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公开(公告)号:US20180110731A1
公开(公告)日:2018-04-26
申请号:US15788920
申请日:2017-10-20
Applicant: Industrial Technology Research Institute
Inventor: Wen-Hsuan CHIANG , Yu-Wen LO , Felice CHENG , Maggie LU , Ya-Ling CHIU
IPC: A61K9/06 , A61K47/10 , A61K47/34 , C07K16/32 , A61K33/30 , A61K39/395 , A61K38/26 , A61K38/38 , A61K38/17 , A61K31/704
CPC classification number: A61K9/06 , A61K9/0019 , A61K9/0024 , A61K31/704 , A61K33/30 , A61K38/1793 , A61K38/26 , A61K38/385 , A61K39/39541 , A61K39/39558 , A61K47/10 , A61K47/34 , A61K47/42 , A61K2039/505 , C07K16/32 , C07K2317/24 , C07K2317/94
Abstract: A hydrogel composition is provided. The hydrogel composition includes polyglutamic acid (PGA) containing maleimide groups, and polyethylene glycol (PEG) containing terminal thiol groups, wherein the hydrogel composition has a pH value ranging from 4.0 to 6.5. A drug delivery system is also provided. The drug delivery system includes the above-mentioned hydrogel composition, and a pharmaceutically active ingredient encapsulated in the hydrogel composition.