Acute megakaryoblastic leukemia natural history, complications and prognosis

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Complications:

Prognosis:

Apart from AMKL in Down syndrome patients, the prognosis of AMKL is poor. The efficacy profile of AMKL in Down syndrome patients is favorable, but it comes with a lot of treatment-related toxicity.

  • According to the Children’s Oncology Group (COG) AML0431 trial results, the 5-year event-free survival and overall survival rates were 90% and 93% in 204 eligible Down syndrome with AMKL patients.[1]
  • Similarly, the reported 3-year overall survival rate was 100% among 3 AMKL with Down syndrome patients while (47±12%) in non-Down syndrome patients.[2]
  • The 5-year overall survival rate in AMKL was 10.6% versus 17.5% in non-M7 Acute Myeloid leukemia subtypes.[3] Currently, chemotherapy and Allo-BMT are main therapy. Treatment-related toxicity is a big challenge. To address this issue, elaborated large future clinical studies are required.


References

  1. Taub, Jeffrey W.; Berman, Jason N.; Hitzler, Johann K.; Sorrell, April D.; Lacayo, Norman J.; Mast, Kelley; Head, David; Raimondi, Susana; Hirsch, Betsy; Ge, Yubin; Gerbing, Robert B.; Wang, Yi-Cheng; Alonzo, Todd A.; Campana, Dario; Coustan-Smith, Elaine; Mathew, Prasad; Gamis, Alan S. (2017). "Improved outcomes for myeloid leukemia of Down syndrome: a report from the Children's Oncology Group AAML0431 trial". Blood. 129 (25): 3304–3313. doi:10.1182/blood-2017-01-764324. ISSN 0006-4971.
  2. Qi, Haixiao; Mao, Yan; Cao, Qian; Sun, Xingzhen; Kuai, Wenxia; Song, Junhong; Ma, Li; Hong, Ze; Hu, Jian; Zhou, Guoping (2020). "Clinical Characteristics and Prognosis of 27 Patients with Childhood Acute Megakaryoblastic Leukemia". Medical Science Monitor. 26. doi:10.12659/MSM.922662. ISSN 1643-3750.
  3. Giri, Smith; Pathak, Ranjan; Prouet, Philippe; Li, Bojia; Martin, Mike G. (2014). "Acute megakaryocytic leukemia is associated with worse outcomes than other types of acute myeloid leukemia". Blood. 124 (25): 3833–3834. doi:10.1182/blood-2014-09-603415. ISSN 0006-4971.

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