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Tucidinostat plus pediatric-inspired chemotherapy for newly diagnosed adult ETP-ALL/LBL: a single-arm, phase 2 trial
Journal of Hematology & Oncology ( IF 29.5 ) Pub Date : 2024-10-28 , DOI: 10.1186/s13045-024-01624-8
Jieping Lin, Zicong Huang, Zihong Cai, Jia Li, Zhen Li, Chenhao Ding, Zhixiang Wang, Xiaofang Li, Xuan Zhou, Bailin He, Wenhao Zhong, Li Xuan, Qifa Liu, Yang Xu, Hongsheng Zhou

Early T-cell precursor lymphoblastic leukemia/lymphoma (ETP-ALL/LBL) is a distinct subtype of T-ALL/LBL, characterized by a poor response to initial chemotherapy, a high relapse rate, and an inferior outcome. The treatment options for ETP-ALL/LBL are currently limited, and there are no reported clinical trials available for ETP-ALL/LBL. From June 2018 to June 2022, we conducted a single-arm, single-center, phase 2 trial (NCT03553238) in newly diagnosed ETP-ALL/LBL (age 14–55). Patients (N = 54) received pediatric-inspired chemotherapy plus tucidinostat, which was orally administered once daily at a dosage of 10 mg from induction to consolidation therapy. The primary endpoint was 3 year event-free survival (EFS). Secondary endpoints were overall survival (OS), relapse-free survival (RFS), complete remission rate and adverse events. The composite complete remission (CRc, complete response [CR] plus complete response with incomplete blood count recovery [CRi]) rate and MRD negativity after induction therapy was 91% (49 of 54 patients) and 65% (35 of 54 patients), respectively. The MRD negativity after consolidation was achieved in 87% patients (47 of 54 patients). With a median follow-up of 39.3 months (IQR, 20.6 to 60.0), the 3 year EFS rate was 67.7% (95% CI 56.2–81.7), the 3 year OS rate was 71.5% (95% CI 60.2–84.9) and the 3 year RFS rate was 67.5% (95% CI 55.9–81.6). The most common grade 3–4 adverse events were neutropenia (94%), anemia (85%), thrombocytopenia (76%), and infection (53%). Tucidinostat plus pediatric regimen is an effective and well-tolerated regimen for new diagnosed ETP-ALL/LBL, with high CRc and MRD negativity rates, as well as encouraging survival outcomes.

中文翻译:


Tucidinostat 联合儿科启发化疗治疗新诊断的成人 ETP-ALL/LBL:一项单臂 2 期试验



早期 T 细胞前体淋巴细胞白血病/淋巴瘤 (ETP-ALL/LBL) 是 T-ALL/LBL 的一种独特亚型,其特征是对初始化疗反应不佳、复发率高和预后较差。ETP-ALL/LBL 的治疗选择目前有限,并且没有关于 ETP-ALL/LBL 的临床试验报道。从 2018 年 6 月到 2022 年 6 月,我们在新诊断的 ETP-ALL/LBL (年龄 14-55 岁) 中进行了一项单臂、单中心、2 期试验 (NCT03553238)。患者 (N = 54) 接受儿科启发化疗加 tucidinostat,从诱导治疗到巩固治疗,每天口服一次,剂量为 10 mg。主要终点是 3 年无事件生存期 (EFS)。次要终点是总生存期 (OS) 、无复发生存期 (RFS) 、完全缓解率和不良事件。诱导治疗后复合完全缓解 (CRc,完全缓解 [CR] 加完全缓解伴不完全血细胞计数恢复 [CRi])率和 MRD 阴性分别为 91% (54 例患者中 49 例) 和 65% (54 例患者中 35 例)。巩固后 MRD 阴性在 87% 的患者 (54 例患者中有 47 例) 达到。中位随访 39.3 个月 (IQR,20.6 至 60.0),3 年 EFS 率为 67.7% (95% CI 56.2-81.7),3 年 OS 率为 71.5% (95% CI 60.2-84.9),3 年 RFS 率为 67.5% (95% CI 55.9-81.6)。最常见的 3-4 级不良事件是中性粒细胞减少症 (94%)、贫血 (85%)、血小板减少症 (76%) 和感染 (53%)。Tucidinostat 加儿科方案是一种有效且耐受性良好的方案,适用于新诊断的 ETP-ALL/LBL,具有高 CRc 和 MRD 阴性率,以及令人鼓舞的生存结果。
更新日期:2024-10-28
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