Blood:泽布替尼治疗复发/难治性套细胞淋巴瘤的长期疗效

2022-03-21 xiaozegn MedSci原创

复发性/难治性套细胞淋巴瘤患者采用泽布替尼治疗可获得持久的缓解,且具有很好的安全性

Bruton酪氨酸激酶 (BTK) 抑制剂是治疗复发/难治性套细胞淋巴瘤 (R/R MCL) 的公认的疗法。泽布替尼 (Zanubrutinib),是我国百济神州自主研发的抗癌药。作为一款本土研发的新型强效BTK抑制剂,泽布替尼经过分子结构的优化,能对BTK靶点形成完全、持久的精准抑制,现已获批用于已接受至少一种既往治疗的 MCL 患者。

本研究是一项在中国开展的多中心、单臂、开放标签的2期试验,旨在评估泽布替尼在复发性或难治性套细胞淋巴瘤中的疗效和安全性。

招募了18-75岁的明确诊断的有可测量病灶的复发性或难治性套细胞淋巴瘤患者,予以泽布替尼口服(160 mg,2/日)直到病情进展(PD)、不可耐受的毒性、死亡或撤出试验。主要终点是总缓解率(ORR)。

总人群的无进展生存率和总生产率

中位随访了35.3个月后,总缓解率达到了83.7%,其中77.9%的患者是完全缓解,中位缓解持续时间未达到。中位无进展生存期(PFS)是33.0个月。36个月的无进展生存率和总生存率分别是47.6%和74.8%。

不同缓解情况的患者的无进展生存率和总生产率

安全性情况未因延长随访而有很大的变化。最常见的全级别不良反应有中性粒细胞计数减少(46.5%)、上呼吸道感染(38.4%)、红疹(36.0%)、白细胞计数减少(33.7%)和血小板计数减少(32.6%),大多数是1-2级的。最常见(≥10%)的3级及以上的不良反应有中性粒细胞计数减少(18.6%)和肺炎(12.8%)。感染、中性粒细胞减少和出血的发生率在前治疗的前6个月最高,随后降低。无心房颤动/扑动、≥3 级心脏不良事件、第二原发性恶性肿瘤或肿瘤溶解综合征病例报道。

综上,该研究提示,复发性/难治性套细胞淋巴瘤患者采用泽布替尼治疗可获得持久的缓解,且具有很好的安全性

原始出处:

Song Yuqin,Zhou Keshu,Zou De-Hui et al. Zanubrutinib in relapsed/refractory mantle cell lymphoma: long-term efficacy and safety results from a phase 2 study.[J] .Blood, 2022, https://doi.org/10.1182/blood.2021014162

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    2022-09-02 小小医者
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    2022-03-23 freve
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