IP Library › Granted Patent US 12,551,468
Granted Patent B2
US 12,551,468 · App. 17/755,214 · Granted Feb 17, 2026

Pharmaceutical composition for oral administration, for treatment of liver cancer

Inventors: Yong Min Chang (Daegu, KR); Sha Joung Chang (Gyeonggi-do, KR); Yeoun Hee Kim (Daegu, KR); Md Kamrul Islam (Daegu, KR)
Assignee: ETNOVA THERAPEUTICS CORP
A61K31/428A61K9/0053A61P35/00
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Quick Facts
Patent No.
US 12,551,468
App. No.
17/755,214
Granted
Feb 17, 2026
Kind
B2
Abstract

The present invention relates to a pharmaceutical composition for oral administration, for treatment of liver cancer, comprising a benzothiazole aniline derivative. The pharmaceutical composition, when orally administered, exhibits a therapeutic effect on liver cancer, in particular, an excellent effect of reducing the tumor size of liver cancer, while toxicity is significantly attenuated.

Claims (16)

1 . A method for treating liver cancer, the method comprising:

orally administering to a subject in need of liver cancer treatment a compound represented by a following Chemical Formula 1 or a pharmaceutically acceptable salt thereof:

wherein in the Chemical Formula 1,

X 1 represents NH, O or S,

L represents

A represents a following Chemical Formula A-1:

2 . The method of claim 1 , wherein in the Chemical Formula 1, X 1 represents S, and L represents

3 . The method of claim 1 , wherein the compound represented by the Chemical Formula 1 is a compound represented by a following Chemical Formula 1-1:

4 . The method of claim 1 , wherein the compound represented by the Chemical Formula 1 or the pharmaceutically acceptable salt thereof is part of a pharmaceutical composition.

5 . The method of claim 4 , wherein the pharmaceutical composition further comprises a pharmaceutically acceptable carrier.

6 . The method of claim 5 , wherein the pharmaceutically acceptable carrier includes an excipient or a diluent.

7 . The method of claim 6 , wherein the excipient comprises one or more of starch, calcium carbonate, sucrose, lactose, sorbitol, mannitol, cellulose or magnesium stearate.

8 . The method of claim 4 , wherein the pharmaceutical composition is in a form of a liquid formulation.

9 . The method of claim 1 , further comprising identifying the subject in need of treatment of the liver cancer before the oral administration step.

10 . The method of claim 1 , wherein the subject in need of liver cancer treatment is a human.

11 . The method of claim 1 , wherein the compound represented by the Chemical Formula 1 or the pharmaceutically acceptable salt thereof is administered in an amount of 0.005 to 100 mg/kg of body weight of the subject.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 22, 2022
From: CHANG, YONG MIN; CHANG, SHA JOUNG; KIM, YEOUN HEE
To: ETNOVA THERAPEUTICS CORP.
Reel/Frame 059686/0547 →
Priority Claims (1)
KR 10-2019-0178795 · Dec 31, 2019 · national
Continuity (1)
Related Publication 20220370417A1 · Nov 24, 2022
References Cited (9)
US 8299285B2 · Dilworth et al. · 2012 [cited by applicant]
US 12098147B2 · Chang · 2024 [cited by examiner]
KR 101836463 · 2018 [cited by applicant]
KR 20180055135 · 2018 [cited by applicant]
KR 20190129738 · 2019 [cited by applicant]
WO WO2019216653A1 · 2019 [cited by examiner]
CAS Registry No. 2097149-62-5, which entered STN on May 25, 2017. (Year: 2017). [cited by examiner]
International Search Report and Written Opinion issued in Corresponding PCT Application No. PCT/KR2020/016757, dated Apr. 15, 2021 (English Translation provided). [cited by applicant]
Islam et al., “Synthesis and biological evaluation of benzothiazole aniline (BTA) derivatives and their platinum complexes as antitumor agents.” (The 120th General Meeting of the Korean Chemical Society). Oct. 19-20, 20… [cited by applicant]