J Clin Oncol:强化诱导后治疗对标准风险ALL患儿预后的影响

2020-01-05 QQY MedSci原创

已有研究表明强化诱导后治疗可改善高危型急性B淋巴细胞白血病(ALL)患儿的存活预后,但该强化疗法是否可改善标准风险(SR)ALL患儿的预后尚不明确,儿童肿瘤协会(COG)AALL0331试验对此进行评估。2005年-2010年,AALL0331试验招募了5377位患儿,所有患者接受3种药物(地塞米松、长春新碱和培门冬酶[PEG])诱导化疗,然后被分类为低SR、一般SR或高SR。一般SR患者被随机分

已有研究表明强化诱导后治疗可改善高危型急性B淋巴细胞白血病(ALL)患儿的存活预后,但该强化疗法是否可改善标准风险(SR)ALL患儿的预后尚不明确,儿童肿瘤协会(COG)AALL0331试验对此进行评估。

2005年-2010年,AALL0331试验招募了5377位患儿,所有患者接受3种药物(地塞米松、长春新碱和培门冬酶[PEG])诱导化疗,然后被分类为低SR、一般SR或高SR。一般SR患者被随机分至4周标准巩固化疗(SC)或8周强化放大版BFM巩固化疗(IC)。高SR疾病患者被分至完整的COG强化版BFM治疗方案,包括2个临时维持和延迟强化阶段。

所有患者的6年无事件存活率为88.96%±0.46%,总体存活率(OS)为95.54%±0.31%。对于一般SR疾病患者,采用SC治疗和IC治疗的患者的6年持续完全缓解率(CCR)和OS率分别是87.8%±1.3% vs 89.1%±1.2% 和95.8%±0.8% vs 95.2%±0.8%。与低MRD和IC治疗无改善的患者相比,诱导后最小残留病(MRD)(0.01% - <0.1%)的一般SR疾病患者的预后较差。6年时,635位非随机治疗的高SR疾病患者的CCR和OS率分别是85.55%±1.49%和92.97%±1.08%。

AALL0331试验中登记的5000名儿童的6年OS率超过了95%。对于一般SR疾病患儿,即使MRD较高,在治疗中加入IC并没有改善其CCR或OS。总体上,这组SR ALL患者的总体EFS和OS率均极好,特别是对于高SR疾病的患者。

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    2020-06-03 minlingfeng
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    2020-01-07 膀胱癌
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    2020-01-05 anti-cancer

    谢谢梅斯分享这么多精彩信息

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