The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 11, 2025

Filed:

Mar. 25, 2020
Applicant:

Otsuka Pharmaceutical Co., Ltd., Tokyo, JP;

Inventors:

Naoto Ohi, Osaka, JP;

Mitsuhiro Okuno, Osaka, JP;

Hideo Tanaka, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/4412 (2006.01); A61K 45/06 (2006.01); A61P 35/00 (2006.01);
U.S. Cl.
CPC ...
A61K 31/4412 (2013.01); A61K 45/06 (2013.01); A61P 35/00 (2018.01);
Abstract

A combination of antitumor agents significantly shrinks tumors by synergistic antitumor action without increasing side effects to the extent possible. The antitumor composition contains compound (B) or a salt thereof for use in combination with antitumor agent (A), where (A) is at least one antitumor agent selected from alkylating agents, CD20 recognition molecules, DNA methylation inhibitors, pyrimidine antimetabolites, purine antimetabolites, antifolates, Bcl-2 inhibitors, and tyrosine kinase inhibitors; and (B) is a compound or a salt thereof represented by formula (1): where Ris halogen, aryl, aryloxy, or lower alkyl optionally substituted with one or more halogen atoms; Ris hydrogen, halogen, lower alkyl, or lower alkoxy; and m=1 to 3, provided that when m is 2 or 3, each Ris the same or different.


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