Treatment Outcomes of Pediatric Acute Myeloid Leukemia in the Yeungnam Region: A Multicenter Retrospective Study of the Study Alliance of Yeungnam Pediatric Hematology-Oncology (SAYPH)

Acute myeloid leukemia (AML) is the second most common pediatric leukemia, with a survival rate of 70%. In this retrospective study, we evaluated the treatment outcomes of pediatric AML among 144 patients diagnosed between 2000 and 2013. After induction, 80.6% of patients achieved complete remission...

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Published in:Children (Basel) 2021-02, Vol.8 (2), p.109
Main Authors: Lee, Jae Min, Yang, Eu Jeen, Park, Kyung Mi, Lee, Young-Ho, Chueh, Heewon, Hah, Jeong Ok, Park, Ji Kyoung, Lim, Jae Young, Park, Eun Sil, Park, Sang Kyu, Kim, Heung Sik, Shim, Ye Jee, Park, Jeong A, Choi, Eun Jin, Lee, Kun Soo, Kim, Ji Yoon, Lim, Young Tak
Format: Article
Language:English
Subjects:
acute myeloid leukemia
Chemotherapy
childhood
Clinical outcomes
Cytogenetics
hematopoietic stem cell transplantation
Induction therapy
Korea
Leukemia
Medical prognosis
Patients
pediatric
Pediatrics
prognosis
Remission (Medicine)
Stem cell transplantation
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Summary:Acute myeloid leukemia (AML) is the second most common pediatric leukemia, with a survival rate of 70%. In this retrospective study, we evaluated the treatment outcomes of pediatric AML among 144 patients diagnosed between 2000 and 2013. After induction, 80.6% of patients achieved complete remission (CR). The 5-year overall survival (OS) and event-free survival (EFS) rates were 58.8 ± 4.2% and 49.8 ± 4.2%, respectively. Based on the response to induction therapy, the 5-year OS was 66.9 ± 5.7% in patients with CR ( < 0.001). Ninety-nine patients with CR after induction therapy were examined, and their 5-year OS and EFS were 66.4 ± 4.9% and 56.3 ± 5.1%, respectively. The 5-year OS rates according to treatment were 59.9 ± 7.4% in the chemotherapy group and 72.3 ± 6.3% in the hematopoietic stem cell transplantation (HSCT) group ( = 0.089). The EFS was 50.1 ± 7.4% in the chemotherapy group and 61.7 ± 6.9% in the HSCT group ( = 0.098). OS and EFS according to cytogenetics were insignificant. Our findings confirmed that the response to induction treatment was important for survival and HSCT had no significant survival benefits compared with those of chemotherapy. Moreover, many early induction deaths under the age of 2 years were observed.
ISSN:2227-9067
2227-9067
DOI:10.3390/children8020109