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Pediatric acute myeloid leukemia with t(8;21) and KIT mutation treatment with avapritinib post-stem cell transplantation: a report of four cases.
Wang, Qingwei; Hu, Yixin; Gao, Li; Zhang, Senlin; Lu, Jun; Li, Bohan; Li, Jie; Yao, Yanhua; Cheng, Shengqin; Xiao, Peifang; Hu, Shaoyan.
Afiliación
  • Wang Q; Department of Hematology and Oncology, Children's Hospital of Soochow University, No. 92, Zhongnan Street, Suzhou, 215000, China.
  • Hu Y; Department of Hematology and Oncology, Children's Hospital of Soochow University, No. 92, Zhongnan Street, Suzhou, 215000, China.
  • Gao L; Department of Hematology and Oncology, Children's Hospital of Soochow University, No. 92, Zhongnan Street, Suzhou, 215000, China.
  • Zhang S; Department of Hematology and Oncology, Children's Hospital of Soochow University, No. 92, Zhongnan Street, Suzhou, 215000, China.
  • Lu J; Department of Hematology and Oncology, Children's Hospital of Soochow University, No. 92, Zhongnan Street, Suzhou, 215000, China.
  • Li B; Department of Hematology and Oncology, Children's Hospital of Soochow University, No. 92, Zhongnan Street, Suzhou, 215000, China.
  • Li J; Department of Hematology and Oncology, Children's Hospital of Soochow University, No. 92, Zhongnan Street, Suzhou, 215000, China.
  • Yao Y; Department of Hematology and Oncology, Children's Hospital of Soochow University, No. 92, Zhongnan Street, Suzhou, 215000, China.
  • Cheng S; Department of Hematology and Oncology, Children's Hospital of Soochow University, No. 92, Zhongnan Street, Suzhou, 215000, China.
  • Xiao P; Department of Hematology and Oncology, Children's Hospital of Soochow University, No. 92, Zhongnan Street, Suzhou, 215000, China. xpfdr@163.com.
  • Hu S; Department of Hematology and Oncology, Children's Hospital of Soochow University, No. 92, Zhongnan Street, Suzhou, 215000, China. hushaoyan@suda.edu.cn.
Ann Hematol ; 103(9): 3795-3800, 2024 Sep.
Article en En | MEDLINE | ID: mdl-38802593
ABSTRACT
Acute myeloid leukemia (AML) with t(8;21) (q22;q22), which forms RUNX1RUNX1T1 fusion gene, is classified as a favorable-risk group. However, the presence of mutations in KIT exon 17 results in an adverse prognosis in this group. Avapritinib, a novel tyrosine kinase inhibitor, was designed to target KIT mutation. We report a retrospective study of four pediatric patients with AML with t(821) and KIT exon 17 mutation who were treated with avapritinib, three of them failed to demethylate drugs and donor lymphocyte infusion targeting RUNX1RUNX1T1-positivity after allogeneic hematopoietic stem cell transplantation (allo-HSCT). So far, all patients with RUNX1RUNX1T1 positivity had turned negative after 1, 9, 7, 2 months of avapritinib treatment. The common adverse effect of avapritinib is neutropenia, which is well-tolerated. This case series indicates that avapritinib may be effective and safe for preemptive treatment of children with AML with t(8;21) and KIT mutation after allo-HSCT, providing a treatment option for preventing relapse after allo-HSCT.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Translocación Genética / Cromosomas Humanos Par 8 / Cromosomas Humanos Par 21 / Leucemia Mieloide Aguda / Trasplante de Células Madre Hematopoyéticas / Proteínas Proto-Oncogénicas c-kit / Mutación Límite: Adolescent / Child / Child, preschool / Female / Humans / Male Idioma: En Revista: Ann Hematol Asunto de la revista: HEMATOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Alemania
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Translocación Genética / Cromosomas Humanos Par 8 / Cromosomas Humanos Par 21 / Leucemia Mieloide Aguda / Trasplante de Células Madre Hematopoyéticas / Proteínas Proto-Oncogénicas c-kit / Mutación Límite: Adolescent / Child / Child, preschool / Female / Humans / Male Idioma: En Revista: Ann Hematol Asunto de la revista: HEMATOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Alemania