Lancet:PET指导晚期霍奇金淋巴瘤的治疗

2017-10-23 zhangfan MedSci原创

研究认为,PET阳性的晚期霍奇金淋巴瘤患者,在强化治疗基础上联合利妥昔单抗不会改善患者预后,而对于PET阴性患者,减少强化治疗至4轮也不会影响对疾病的控制。PET-2指导的eBEACOPP强化治疗方案可有效控制疾病并且减少治疗毒副作用,有望成为今后晚期霍奇金淋巴瘤治疗的首选方法

eBEACOPP强化治疗方案(剂量升级的博莱霉素,依托泊苷,阿霉素,环磷酰胺,长春新碱,强的松以及甲基苄肼)是晚期霍奇金淋巴瘤患者主要治疗手段,但其存在严重的毒性。临床应用中发现部分患者接受减量的eBEACOPP后获得良好的治疗效果。近日研究人员考察了根据PET代谢反应测定结果调整患者eBEACOPP的治疗强度对疾病的控制效果。

在这项III期,随机平行对照研究中,18-60岁的新确诊的晚期霍奇金淋巴瘤患者参与。患者先进行2轮标准eBEACOPP强化治疗。根据PET结果,将患者分为PET-2阳性应答患者或阴性应答患者。阳性患者随机接受额外的6轮标准eBEACOPP治疗(总计8轮)或eBEACOPP联合利妥昔单抗治疗(8×R-eBEACOPP);PET-2阴性患者随机接受额外的6轮标准eBEACOPP治疗(8×eBEACOPP)或额外2轮标准eBEACOPP治疗(总计4轮,4×eBEACOPP)。研究的主要终点是5年无进展生存率。

研究招募2101名患者,其中156人不符合要求。PET阳性患者434人,每组217人,eBEACOPP组5年的患者生存率为89.7%(95% CI,85.4-94.0),R-eBEACOPP组为88.1%(83.5-92.7)。PET-2阴性患者中6-8轮以及4 轮eBEACOPP治疗组分别为504和501人,5年的无进展生存率分别为90.8%和92.2%,差异为1.4%。4轮eBEACOPP治疗组患者严重感染率 (8% vs 15%)以及器官毒性(8% vs 18%)降低。治疗相关的死亡发生率如下:PET-2阳性8轮组1例(<1%)、8轮R-eBEACOPP组3例(1%);PET-2阴性6-8轮组6例(1%)。

研究认为,PET阳性的晚期霍奇金淋巴瘤患者,在强化治疗基础上联合利妥昔单抗不会改善患者预后,而对于PET阴性患者,减少强化治疗至4轮也不会影响对疾病的控制。PET-2指导的eBEACOPP强化治疗方案可有效控制疾病并且减少治疗毒副作用,有望成为今后晚期霍奇金淋巴瘤治疗的首选方法。

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    2018-01-02 feather89
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    2017-11-20 howi
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