Efficacy and long-term follow-up report of FCR regimen in the first-line treatment of chronic lymphocytic leukemia/small lymphocytic lymphoma
萧 路, 奕 夏, 祎 缪, 彤璐 邱, 罗梦佳 戴, 子元 周, 晖 金, 海荣 仇, 纯 乔, 雨洁 吴, 磊 范, 卫 徐, 建勇 李, 华渊 朱

TL;DR
This study evaluates the effectiveness and long-term outcomes of using the FCR regimen as a first-line treatment for chronic lymphocytic leukemia/small lymphocytic lymphoma.
Contribution
The study provides a long-term follow-up analysis of FCR treatment outcomes and identifies prognostic factors for patient survival.
Findings
The overall response rate was 88.2%, with a complete remission rate of 47.0%.
IGHV mutation status was identified as an independent prognostic factor for progression-free survival.
Patients with IGHV mutation and no del(17p) or complex karyotype had a 5-year PFS rate of 70.7% and remained progression-free for up to 10 years.
Abstract
探讨FCR(氟达拉滨+环磷酰胺+利妥昔单抗)方案一线治疗慢性淋巴细胞白血病/小淋巴细胞淋巴瘤(CLL/SLL)的疗效、影响因素及长期随访结果。 回顾性分析2008年8月至2021年5月期间于江苏省人民医院血液科接受FCR方案一线治疗的68例CLL/SLL患者的疗效、安全性及长期随访结局。 68例患者中女22例、男46例,接受FCR方案治疗时中位年龄为55(47,60)岁。复杂核型(CK)8例(13.1%,8/61),免疫球蛋白重链可变区突变(IGHV-M)20例(32.3%,20/62),del(17p)4例(6.6%,4/61),del(11q)8例(14.8%,8/54)。患者接受FCR方案治疗的中位疗程数为6(4,6)个。患者总反应率为88.2%(60/68),完全缓解率为47.0%(32/68)。中位随访时间为82(59,98)个月,66.2%(45/68)患者出现疾病进展,中位无进展生存(PFS)期为56(21,123)个月,中位总生存期未达到。5年和10年PFS率分别为42.6%(95% CI:31.9%~56.8%)和28.7%(95% CI:19.0%~43.4%)。del(17p)(HR=5.04,95% CI:1.72~14.74,P=0.003)、del(11q)(HR=5.27,95% CI:2.11~13.15,P<0.001)、IGHV无突变(HR=4.11,95% CI:1.72~9.79,P=0.001)、CK(HR=3.53,95% CI:1.58~7.85,P=0.002)、β2微球蛋白>3.5 mg/L(HR=2.87,95% CI:1.37~6.01,P=0.005)为PFS的不良预后因素,多因素分析显示IGHV无突变为PFS的独立预后因素(HR=8.63,95% CI:1.09~68.40,P=0.042)。16例IGHV-M且无del(17p)及CK的患者中位PFS期达123(58,123)个月,5年PFS率为70.7%(95%…
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