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费城染色体阳性急性淋巴细胞白血病:十个常见问题。

Philadelphia-chromosome positive acute lymphoblastic leukemia: ten frequently asked questions.

机构信息

Hematology-Oncology Division, Department of Internal Medicine, American University of Beirut Medical Center, Beirut, Lebanon.

Sorbonne University, Department of Clinical Hematology and Cellular Therapy, Saint-Antoine Hospital, AP-HP, INSERM UMRs 938, Paris, France.

出版信息

Leukemia. 2024 Sep;38(9):1876-1884. doi: 10.1038/s41375-024-02319-2. Epub 2024 Jun 20.

Abstract

Philadelphia chromosome-positive acute lymphoblastic leukemia (Ph+ ALL) constitutes a distinctive cytogenetic entity associated with challenging outcomes, particularly in adult patients. Current upfront chemotherapy-tyrosine kinase inhibitor (TKI)-based therapies include first, second and third-generation TKIs that have revolutionized patient outcomes including molecular remission and overall survival. Chemotherapy-free regimens such as blinatumomab-dasatinib or blinatumomab-ponatinib offer exciting possibilities, yet challenges arise, particularly in preventing central nervous system relapse. Monitoring measurable residual disease is now a cornerstone particularly using next-generation sequencing (NGS)-Clonoseq for accurate assessment. Controversy regarding the ability to omit consolidation with allogeneic stem cell transplantation, specifically for patients achieving early molecular remission, is related to the excellent survival achieved with novel combinations in the upfront setting, however challenged by the lower disease control when transplant is utilized beyond first remission. Post-transplant maintenance introduces new dilemmas: the optimal TKI, dosing, and duration of therapy are open questions. Meanwhile, a myriad of new combinations and cellular therapies are used for relapsed Ph+ ALL, prompting us to unravel the optimal sequencing of these promising regimen. In this review, we delve into the breakthroughs and controversies in Ph+ ALL with ten commonly asked questions.

摘要

费城染色体阳性急性淋巴细胞白血病(Ph+ ALL)是一种独特的细胞遗传学实体,与挑战性的结果相关,尤其是在成年患者中。目前,基于化疗-酪氨酸激酶抑制剂(TKI)的一线治疗方案包括第一代、第二代和第三代 TKI,这些药物彻底改变了患者的预后,包括分子缓解和总体生存。无化疗方案,如blinatumomab-dasatinib 或 blinatumomab-ponatinib,提供了令人兴奋的可能性,但也带来了挑战,特别是在预防中枢神经系统复发方面。监测可测量的残留疾病现在是一个关键的方法,特别是使用下一代测序(NGS)-Clonoseq 进行准确的评估。关于能否省略与异体干细胞移植的巩固治疗的争议,特别是对于早期分子缓解的患者,与新型联合方案在一线治疗中获得的优异生存相关,但由于移植在第一次缓解后应用时疾病控制率较低而受到挑战。移植后维持带来了新的困境:最佳 TKI、剂量和治疗持续时间是悬而未决的问题。同时,许多新的联合方案和细胞疗法用于治疗复发的 Ph+ ALL,促使我们梳理这些有前途的方案的最佳序贯治疗。在这篇综述中,我们深入探讨了 Ph+ ALL 的突破和争议,并提出了十个常见问题。

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