公开(公告)号：US09775799B2

公开(公告)日：2017-10-03

申请号：US14766893

申请日：2014-02-12

Applicant: HISAMITSU PHARMACEUTICAL CO., INC.

Inventor： Takuya Sugahara ,  Kazuya Machida

IPC: A61K38/00 ,  A61K9/00 ,  A61K47/12 ,  A61K47/18 ,  A61L31/16 ,  A61M5/32 ,  A61K47/02 ,  A61M37/00

CPC classification number: A61K9/0021 ,  A61K38/00 ,  A61K47/02 ,  A61K47/12 ,  A61K47/183 ,  A61L31/16 ,  A61L2300/214 ,  A61M5/329 ,  A61M37/0015 ,  Y02A50/389

Abstract: Disclosed is a microneedle coating composition comprising a physiologically active substance (excluding Japanese encephalitis vaccine antigen), a basic amino acid, and an acid, wherein the mole number of the acid for one mole of the basic amino acid is larger than 1/(N+1) and less than 2, where N represents the valence of the acid.