AJH: 地西他滨和伏立诺他联合 FLAG 化疗治疗儿科复发/难治性 AML:儿童白血病和淋巴瘤 (TACL) 联盟的治疗进展报告

2022-08-26 MedSci原创 MedSci原创

总体而言,地西他滨和伏立诺他联合 FLAG 化疗对患有 R/R AML 的儿科患者,尤其是具有表观遗传改变的患者具有良好的耐受性、生物活性和有效性。

复发/难治性小儿急性髓性白血病(R/R AML) 的生存结果令人沮丧。表观遗传变化可导致基因表达改变,这被认为有助于白血病发生和化疗的耐药。

有研究人员报告了一项 I 期试验的结果,其中一项剂量扩展队列研究了地西他滨和伏立诺他与氟达拉滨、阿糖胞苷和 G-CSF (FLAG) 联合用于 R/R AML 儿科患者 [NCT02412475]。37 名患者入组时的中位年龄为 8.4(范围,1-20)岁。在纳入的患者中没有剂量限制性毒性,包括两名患有唐氏综合症的患者。

表:地西他滨剂量水平和表观遗传学改变的最佳反应总结

地西他滨联合伏立诺他和 FLAG 的推荐 2 期剂量为 10 mg/m2。扩大的队列设计允许进行疗效评估,35 名可评估患者的总体反应率为 54%(16 名完全反应 (CR) 和 3 名完全反应伴血液学恢复不完全 (CRi))。90% 的应答者通过集中流式细胞术实现了最小残留疾病 (MRD) 阴性 (<0.1%),84% (n=16) 成功进行了造血干细胞移植。

MRD阴性患者的2年总生存率为75.6%[95%CI:47.3%,90.1%],而残留疾病(p<0.001)患者的两年总生存率为17.9%[95%CI:4.4%,38.8%]。
12 名受试者 (34%) 已知表观遗传改变,其中 8 名 (67%) 达到 CR,其中 7 名 (88%) 为 MRD 阴性。相关药效学证明了地西他滨和伏立诺他的生物活性,并确定了无反应患者的特定基因富集特征。

总体而言,地西他滨和伏立诺他联合 FLAG 化疗对患有 R/R AML 的儿科患者,尤其是具有表观遗传改变的患者具有良好的耐受性、生物活性和有效性

 

原始出处:

Pommert, L., Schafer, E.S., Malvar, J., Gossai, N., Florendo, E., Pulakanti, K., Heimbruch, K., Stelloh, C., Chi, Y.-Y., Sposto, R., Rao, S., Huynh, V.T., Brown, P., Chang, B.H., Colace, S.I., Hermiston, M.L., Heym, K., Hutchinson, R.J., Kaplan, J.A., Mody, R., O'Brien, T.A., Place, A.E., Shaw, P.H., Ziegler, D.S., Wayne, A., Bhojwani, D. and Burke, M.J. (2022), Decitabine and Vorinostat with FLAG Chemotherapy in Pediatric Relapsed/Refractory AML: Report from the Therapeutic Advances in Childhood Leukemia and Lymphoma (TACL) Consortium. Am J Hematol. Accepted Author Manuscript. https://doi.org/10.1002/ajh.26510

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    2022-07-02 grace5700
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    2022-03-09 zexyw04
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    2022-03-09 freve
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近日,河南省卫生计生委等六部门联合制定印发了《河南省儿童白血病救治管理工作实施方案》,在全河南省推广儿童白血病规范化诊疗。《方案》明确指出,要将儿童白血病患者全部纳入家庭医生签约服务,提高全省0~18岁儿童白血病患者医疗救治及保障水平,降低患儿家庭经济负担。今年11月底前,要完成签约并开展有效服务。最新数据显示,中国儿童白血病(15岁以下)发病率约为4-5/10万;如扩大至18岁以下,每年新发患