Bood:结外自然杀伤/T细胞淋巴瘤患者CNS复发的预测和预防

2020-07-02 医道 MedSci原创

Kim等人开发了一种新的CNS-PINK模型,对ENKTL患者的CNS复发具有很强的预测能力;S-ID-MTX预防CNS-PINK高危患者CNS事件的能力值得进一步验证。

由于L-天冬酰胺酶非蒽环类化疗改善了结外自然杀伤/T细胞淋巴瘤(ENKTL)患者的生存预后,中枢神经系统(CNS)复发的发生率与既往报道的不同。在本研究中,

研究人员旨在明确CNS复发的发生率和预测标志物,以评估中剂量MTX(ID-MTX)预防CNS的必要性。回顾分析了训练队列的399例和ENKTL验证队列的253例接受非蒽环类化疗的患者的记录。

根据化疗方案是否有ID-MTX>2g/m2,将患者分成两组。采用CNS复发的单点预测开发了一个CNS-PINK模型(自然杀伤淋巴瘤[PINK]的预后指数;HR 2.908,p=0.03。累及淋巴结界外[≥ 2]时,HR 4.161,p=0.001),并计算分数的总和。

CNS-PINK的高危人群定义为2分。

在训练和验证队列中,CNS-PINK风险组之间CNS的累积复发率不同(训练队列p<0.001、验证队列p=0.038)。在验证队列中,采用包含ID-MTX的SMILE或SMILE样方案(S-ID-MTX)治疗的高风险CNS-PINK组患者的CNS复发累及发生率低于接受无ID-MTX的治疗方案的患者的(p=0.029)。

经验证,CNS-PINK在ENKTL患者中具有很强的CNS复发预测能力。S-IR-MTX预防高危CNS-PINK患者CNS事件的效果应进一步开展研究进行验证。

原始出处:

Hyera Kim,et al. Prediction and prevention of central nervous system relapse in patients with extranodal natural killer/T-cell lymphoma. Blood. June 25,2020.

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    2020-09-20 lg.zhao
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