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Title:
ANTITUMOR AGENT
Document Type and Number:
WIPO Patent Application WO/2019/107386
Kind Code:
A1
Abstract:
The present invention provides a method for enhancing an antitumor effect by a compound that strongly inhibits ribonucleotide reductase (RNR) or a salt of said compound. A combination formulation in which a sulfonamide compound that has RNR inhibitory activity and is represented by formula (I) (in the formula, X1 represents an oxygen atom, etc.; X2 represents an oxygen atom; X3 represents -NH-; X4 represents a hydrogen atom, etc.; R1 represents -C(R11)(R12)-, etc.; R11 and R12 are the same or different and represent a hydrogen atom, etc.; R2 represents an optionally substituted C6-C14 aromatic hydrocarbon group, etc.; R3 represents an optionally substituted C6-C14 aromatic hydrocarbon group, etc.; and R4 represents a hydrogen atom, etc.), or a salt thereof, is administered in combination with another antitumor agent.

Inventors:
UENO HIROYUKI (JP)
HOSHINO TAKUYA (JP)
Application Number:
PCT/JP2018/043697
Publication Date:
June 06, 2019
Filing Date:
November 28, 2018
Export Citation:
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Assignee:
TAIHO PHARMACEUTICAL CO LTD (JP)
International Classes:
A61K31/4245; A61K45/00; A61P35/00; A61P43/00; C07D249/04
Domestic Patent References:
WO2017209155A12017-12-07
WO2017150725A12017-09-08
WO2017111074A12017-06-29
WO2011071565A12011-06-16
Foreign References:
JP2017229681A2017-11-29
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See also references of EP 3718545A4
Attorney, Agent or Firm:
HIRAKI & ASSOCIATES (JP)
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