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Precision medicine in AML: overcoming resistance

Samuel Urrutia1, Koichi Takahashi2

  • 1Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, 1901 East Road, 4SCR6.2085, Houston, TX, 77030-4009, USA.

International Journal of Hematology
|July 31, 2024
PubMed

Insights

Molecularly targeted therapies for acute myeloid leukemia show promise, but resistance mechanisms like new mutations and clone evolution can limit effectiveness. Understanding these resistance pathways is key to developing better treatment strategies.

Area of Science:

  • Hematology
  • Oncology
  • Molecular Biology

Background:

  • Acute myeloid leukemia (AML) treatment has advanced with molecularly targeted therapies.
  • Recent approvals target FLT3, IDH1, IDH2, and BCL2, offering new hope for AML patients.

Purpose of the Study:

  • To review the biological basis of current AML targeted therapies.
  • To elucidate the mechanisms of therapeutic resistance in AML.
  • To discuss strategies for overcoming resistance to AML-targeted treatments.

Main Methods:

  • Literature review of molecularly targeted therapies for AML.
  • Analysis of resistance mechanisms, including genetic mutations and clonal evolution.
  • Synthesis of strategies to combat on-target and off-target resistance.

Main Results:

  • Targeted therapies for AML face challenges due to emerging resistance.
  • Resistance mechanisms include the development of competing clones and acquired mutations.
  • Enzymatic isoform changes can also contribute to treatment failure and disease relapse.

Conclusions:

  • Understanding resistance mechanisms is crucial for improving AML outcomes.
  • Combinatorial and sequential therapeutic approaches are needed to deepen responses.
  • Developing strategies to overcome resistance will enhance patient survival in AML.
Keywords:
Acute myeloid leukemiaResistance mechanismsTargeted therapy

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