申请人:DAIICHI SANKYO COMPANY, LIMITED
公开号:US20170035906A1
公开(公告)日:2017-02-09
As an antitumor drug which is excellent in terms of antitumor effect and safety and has an excellent therapeutic effect, there is provided an antibody-drug conjugate in which an antitumor compound represented by the following formula is conjugated to an anti-HER2 antibody via a linker having a structure represented by the formula: L
1
-L
2
-L
P
-NH—(CH
2
)n
1
-L
a
-L
b
-L
c
or -L
1
-L
2
-L
P
- wherein the anti-HER2 antibody is connected to the terminal L
1
, and the antitumor compound is connected to the terminal L
c
or L
P
with the nitrogen atom of the amino group at position 1 as the connecting position.