Methods for cancer therapy

US12544370B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-12544370-B2
Application numberUS-202318473796-A
CountryUS
Kind codeB2
Filing dateSep 25, 2023
Priority dateDec 3, 2018
Publication dateFeb 10, 2026
Grant dateFeb 10, 2026

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

The present invention relates to methods for treating patients with cancer, including patients with hematological malignancy, wherein the method comprises administering to the patient a therapeutically effective amount of a compound of formula (I), or a pharmaceutically acceptable salt thereof, wherein R1 and R2 are as defined herein.

First claim

Opening claim text (preview).

We claim: 1 . A method for treating cancer in a patient, comprising orally administering to the patient once every other day (QOD) a therapeutically effective amount of a compound of formula (I-A): or a pharmaceutically acceptable salt thereof, wherein the cancer is chronic myeloid leukemia caused by BCR-ABL mutation that is resistant to ponatinib, wherein the BCR-ABL mutation is T315I. 2 . The method of claim 1 , wherein the BCR-ABL mutation is BCR-ABL E255V/T315I or BCR-ABL Y253H/T315I . 3 . The method of claim 1 , wherein the therapeutically effective amount is from about 1 mg to about 100 mg. 4 . The method of claim 1 , wherein the therapeutically effective amount is from about 1 mg to about 80 mg. 5 . The method of claim 1 , wherein the therapeutically effective amount is from about 1 mg to about 60 mg. 6 . The method of claim 1 , wherein the therapeutically effective amount is about 1 mg, about 2 mg, about 4 mg, about 8 mg, about 12 mg, about 20 mg, about 30 mg, about 40 mg, about 45 mg, about 50 mg, or about 60 mg. 7 . The method of claim 1 , wherein the compound of formula (I-A) or a pharmaceutically acceptable salt thereof, is formulated in a solid dosage form. 8 . The method of claim 6 , wherein the compound of formula (I-A), or pharmaceutically acceptable salt thereof is administered once every other day (QOD) during a 28-day treatment cycle. 9 . The method of claim 1 , wherein the chronic myeloid leukemia is relapsed chronic myeloid leukemia. 10 . The method of claim 1 , wherein the chronic myeloid leukemia is refractory chronic myeloid leukemia.

Assignees

Inventors

Classifications

  • Antineoplastic agents · CPC title

  • Mouth and digestive tract, i.e. intraoral and peroral administration · CPC title

  • specific for leukemia · CPC title

  • A61K31/496Primary

    Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin · CPC title

  • A61K31/437Primary

    the heterocyclic ring system containing a five-membered ring having nitrogen as a ring hetero atom, e.g. indolizine, beta-carboline · CPC title

Patent family

Related publications grouped by family.

External sources

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US12544370B2 cover?
The present invention relates to methods for treating patients with cancer, including patients with hematological malignancy, wherein the method comprises administering to the patient a therapeutically effective amount of a compound of formula (I), or a pharmaceutically acceptable salt thereof, wherein R1 and R2 are as defined herein.
Who is the assignee on this patent?
Ascentage Pharma Suzhou Co Ltd, Ascentage Pharma Group Corp Ltd
What technology area does this patent fall under?
Primary CPC classification A61K31/496. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue Feb 10 2026 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).