<p>Oral decitabine/cedazuridine has been studied in chronic myelomonocytic leukemia (CMML) recently but the molecular changes during this treatment have not been reported so far. We report a CMML patient who was treated with oral decitabine/cedazuridine and showed a stepwise loss of KRAS mutation and trisomy 8 while the TET2 mutated clone gradually increased eventually resulting in clonal hematopoiesis. This case report highlights the disease modifying potential of this treatment in single CMML patients.</p>

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Molecular devolution in chronic myelomonocytic leukemia during treatment with decitabine/cedazuridine: A case report

  • Klaus Geissler,
  • Gerlinde Mitterbauer-Hohendanner,
  • Roland Jäger

摘要

Oral decitabine/cedazuridine has been studied in chronic myelomonocytic leukemia (CMML) recently but the molecular changes during this treatment have not been reported so far. We report a CMML patient who was treated with oral decitabine/cedazuridine and showed a stepwise loss of KRAS mutation and trisomy 8 while the TET2 mutated clone gradually increased eventually resulting in clonal hematopoiesis. This case report highlights the disease modifying potential of this treatment in single CMML patients.