申请人:TAIHO PHARMACEUTICAL CO., LTD.
公开号:US20200061067A1
公开(公告)日:2020-02-27
To provide a method for treating cancer using a pyrazolo[3,4-d]pyrimidine compound or a salt thereof. The present invention provides an antitumor agent comprising a pyrazolo[3,4-d]pyrimidine compound of formula (I) wherein X, Y, Z
1
, Z
2
, Z
3
, Z
4
, W, n, R
1
, R
2
, and R
3
have meanings as defined in the present specification, or a salt thereof and other antitumor agent(s) for combined administration.