从缓解率低到充满希望:靶向疗法对 NUP98-R 阳性小儿急性髓性白血病的疗效。

IF 6.1 2区 医学 Q1 PEDIATRICS
Run-Ji Xiong, Hong-Xia Tang, Tian-Tian Yin, Hui-Yi Pan, Run-Ming Jin
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From low remission to hope: the efficacy of targeted therapies in NUP98-R positive pediatric acute myeloid leukemia.

Background: Treating pediatric acute myeloid leukemia (AML) with NUP98 rearrangement (NUP98-R) is challenging. Standard chemotherapy results in low remission rates. This study aimed to evaluate different induction regimens and explore alternative therapies to improve outcomes.

Methods: This retrospective study included 111 pediatric patients with AML treated at our institution from March 2012 to March 2023. Patients were classified into two groups: NUP98-R-positive (n = 10) and NUP98-R-negative (n = 101). We compared their clinical characteristics, treatment responses, and prognoses. Additionally, we presented three cases of NUP98-R-positive patients to elaborate on the role of targeted therapies during induction in treatment outcomes and prognosis.

Results: Patients with NUP98-R fusion genes had a complete remission (CR) rate of 20% after the first induction, which was significantly lower than the 64.3% reported in those without NUP98-R fusion genes (P < 0.05). The 3-year event-free survival (EFS) rate was also lower, with only 30% for NUP98-R patients and 55.3% for non-NUP98-R patients (P < 0.05). The prognosis of NUP98-R patients improved with targeted therapies during induction. For example, Patient 1 achieved CR with FLT3 and BCL-2 inhibitors plus conventional chemotherapy. Patient 2, who was treated with a CDK6 inhibitor, a BCL-2 inhibitor, azacitidine, and an FLT3 inhibitor, also achieved CR and underwent successful stem cell transplantation. Conversely, Patient 3, who received only standard chemotherapy, did not achieve remission and died from a severe infection.

Conclusions: This study demonstrated that using targeted drugs for the induction in NUP98-R pediatric AML improved treatment outcomes. BCL-2, FLT3, and CDK6 inhibitors available at our institution are promising options for this phase of treatment.

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来源期刊
World Journal of Pediatrics
World Journal of Pediatrics 医学-小儿科
CiteScore
10.50
自引率
1.10%
发文量
592
审稿时长
2.5 months
期刊介绍: The World Journal of Pediatrics, a monthly publication, is dedicated to disseminating peer-reviewed original papers, reviews, and special reports focusing on clinical practice and research in pediatrics. We welcome contributions from pediatricians worldwide on new developments across all areas of pediatrics, including pediatric surgery, preventive healthcare, pharmacology, stomatology, and biomedicine. The journal also covers basic sciences and experimental work, serving as a comprehensive academic platform for the international exchange of medical findings.
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