Correspondence to: “Combination therapies with ponatinib and asciminib in a preclinical model of chronic myeloid leukemia blast crisis with compound mutations”, Curik N et al. Leukemia. 2024; 38: 1415–1418

IF 13.4 1区 医学 Q1 HEMATOLOGY Leukemia Pub Date : 2025-02-06 DOI:10.1038/s41375-025-02521-w
Seiichi Okabe, Yuya Arai, Akihiko Gotoh
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对应于:“波纳替尼和阿西米尼联合治疗慢性髓系白血病原细胞危像伴复合突变的临床前模型”,curick N等。白血病。2024;38: 1415 - 1418
尽管慢性髓性白血病(CML)的治疗取得了进展,但母细胞危机仍然具有挑战性,其特点是克隆和分子异质性以及对酪氨酸激酶抑制剂(TKIs)的耐药性。最近,Curik等人在《白血病[1]》上发表了“波纳替尼和阿西米尼联合治疗慢性髓系白血病原细胞危像伴复合突变的临床前模型”。他们在具有t315i包涵化合物突变的小鼠CML细胞危重模型中显示,与单药治疗相比,ponatinib + asciminib有效抑制肿瘤生长并显着延长生存期。Ponatinib加venetoclax也延迟肿瘤生长,特别是在耐药克隆中。可控制的毒性提示调整剂量后的潜在临床应用。他们的研究强调了联合治疗改善CML原细胞危象的前景。tki靶向治疗已经改变了CML患者的管理和预后。然而,治疗耐药性仍是一个重大的临床挑战,约有10%的患者受到影响。BCR::ABL1激酶结构域的耐药化合物突变为接受序贯TKI治疗的患者带来了新的临床挑战[4,5]。一种有希望的策略是结合针对不同结合位点的tki。例如,使用靶向atp结合位点的ponatinib和靶向变张位点的asciminib,已经在临床前和临床研究中显示出潜力[1,6]。在我们的研究中,先前建立的Ba/F3 asc-R细胞携带化合物BCR::ABL1突变,特别是T315I和Y139D[7],通过1700种临床可用化合物的高通量试验筛选,确定了ponatinib作为Ba/F3 asc-R细胞的候选药物。Asciminib的活性最初在BCR::ABL1突变细胞系中进行了评估,包括Ba/F3 PR细胞携带Y253H、E255K和T315I突变[8]、Ba/F3 asc-R细胞、Ba/F3 T315I细胞和Ba/F3 BCR::ABL细胞。
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来源期刊
Leukemia
Leukemia 医学-血液学
CiteScore
18.10
自引率
3.50%
发文量
270
审稿时长
3-6 weeks
期刊介绍: Title: Leukemia Journal Overview: Publishes high-quality, peer-reviewed research Covers all aspects of research and treatment of leukemia and allied diseases Includes studies of normal hemopoiesis due to comparative relevance Topics of Interest: Oncogenes Growth factors Stem cells Leukemia genomics Cell cycle Signal transduction Molecular targets for therapy And more Content Types: Original research articles Reviews Letters Correspondence Comments elaborating on significant advances and covering topical issues
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