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Sohita Dhillon1

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Olverembatinib is a new oral TKI for treating resistant leukaemias. It targets BCR-ABL1 mutations, including T315I, offering hope for patients with chronic myeloid leukaemia (CML).

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Area of Science:

  • Oncology
  • Pharmacology

Background:

  • Olverembatinib (HQP1351) is a third-generation BCR-ABL1 tyrosine kinase inhibitor (TKI). It targets various BCR-ABL1 mutations, including T315I, which causes resistance to earlier TKIs.
  • This drug is developed for chronic myeloid leukaemia (CML), acute myeloid leukaemia, acute lymphoblastic leukaemia (ALL), and solid tumours like gastrointestinal stromal tumours (GIST).

Purpose of the Study:

  • To summarize the development of olverembatinib.
  • Highlighting its journey to gaining approval for treating specific leukaemia types.

Main Methods:

  • Review of clinical development milestones.
  • Analysis of olverembatinib's mechanism of action as an ATP binding-site inhibitor.

Main Results:

  • Olverembatinib targets wild type BCR-ABL1 and resistant mutants like T315I.
  • Received first approval in China (November 2021) for TKI-resistant chronic-phase CML (CML-CP) or accelerated-phase CML (CML-AP) with T315I mutation.

Conclusions:

  • Olverembatinib represents a significant advancement in TKI therapy for CML.
  • Ongoing clinical trials in the US and China are expanding its therapeutic potential.