尼罗丁尼与或没有细胞氨基酸治疗费城阳性急性淋巴细胞白血病
Yves Chalandon1,2, Philippe Rousselot3, Sylvie Chevret4
1Division of Hematology, Department of Oncology, University Hospital of Geneva and Medical School, University of Geneva, Geneva, Switzerland.
Blood
|March 7, 2024
概括
在费城阳性急性淋巴细胞白血病中,在与尼洛尼布结合期间省略细胞氨酸 (Ara-C) 并没有影响主要分子反应率,但增加了复发风险. 没有Ara-C的无复发生存率较低,尽管整体生存率没有受到影响.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 临床试验 临床试验
背景情况:
- 费城阳性急性淋巴细胞白血病 (Ph+ ALL) 是一种高危白血病.
- 低强度化疗与像伊马替尼布这样的氨酸激酶抑制剂相结合已显示出有效性.
- 之前的研究表明,可以替代高CVAD (cyclophosphamide-vincristine-doxorubicin [Adriamycin]-dexamethasone) 循环1.
研究的目的:
- 为了评估在Ph+ALL治疗的巩固阶段遗漏的cytarabine (Ara-C).
- 为了比较接受Ara-C和不接受它的患者之间的主要分子响应 (MMR) 率.
- 评估Ara-C缺失对尼洛尼布治疗Ph+ALL患者复发率和生存结果的影响.
主要方法:
- 一个随机试验 (GRAAPH-2014) 涉及155名可评估的Ph+ALL患者.
- 患者接受了尼罗丁尼和标准整合与Ara-C (A臂) 或省略的Ara-C (B臂).
- 主要终点是巩固后的MMR率;次要终点包括干细胞移植 (SCT) 率,复发发病率,无复发存活率和整体存活率.
主要成果:
- 对MMR的非劣势终点在两只手臂都得到满足 (71.1%在A手臂相比77.2%在B手臂).
- 四年累计的复发发病率在B组 (31.3%) 与A组 (13.2%) 相比显著更高 (P = .017).
- 没有复发的存活率在B组较低,但4年总体存活率在两组之间相似 (79.0%在A组和73.4%在B组).
结论:
- 在Ph+ALL患者中,在巩固期间省略细胞氨基酸 (Ara-C),用尼洛尼治疗的患者实现了非劣质主要分子响应率.
- 然而,缺少Ara-C导致复发率显著增加和无复发存活率下降.
- 尽管复发增加,总体存活率没有显著影响,这表明要仔细考虑Ara-C在巩固疗法中的作用.
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