University of Texas, MD Anderson Cancer Center, Houston, Texas.
National Cancer Institute, National Institutes of Health, Bethesda, Maryland.
Biol Blood Marrow Transplant. 2019 Sep;25(9):1859-1868. doi: 10.1016/j.bbmt.2019.05.025. Epub 2019 May 25.
Classic Hodgkin lymphoma (cHL) patients with relapsed or refractory disease may benefit from allogeneic hematopoietic cell transplantation (allo-HCT), but many lack a matched sibling donor (MSD). Herein, we compare outcomes of 2 reduced-intensity conditioning (RIC) HCT platforms in cHL: T cell-replete related donor haploidentical (haplo) HCT with a post-transplant cyclophosphamide (PTCy)-based approach versus an MSD/calcineurin inhibitor (CNI)-based approach. The study included 596 adult patients who underwent a first RIC allo-HCT for cHL between 2008 and 2016 using either a haplo-PTCy (n = 139) or MSD/CNI-based (n = 457) approach. Overall survival (OS) was the primary endpoint. Secondary endpoints included acute graft-versus-host disease (aGVHD) and chronic GVHD (cGVHD), nonrelapse mortality (NRM), relapse/progression, and progression-free survival (PFS). On multivariate analysis, there was no significant difference between haplo/PTCy and MDS/CNI-based approaches in terms of OS (hazard ratio [HR], 1.07; 95% confidence interval [CI], .79 to 1.45; P = .66) or PFS (HR, .86; 95% CI, .68 to 1.10; P = .22). Haplo/PTCy was associated with a significantly higher risk of grades II to IV aGVHD (odds ratio [OR], 1.73, 95% CI, 1.16 to 2.59; P = .007), but the risk of grades III to IV aGVHD was not significantly different between the 2 cohorts (OR, .61; 95% CI, .29 to 1.27; P = .19). The haplo/PTCy platform provided a significant reduction in cGVHD risk (HR, .45; 95% CI, .32 to .64; P < .001), and a significant reduction in relapse risk (HR, .74; 95% CI, .56 to .97; P = .03). There was a statistically nonsignificant trend toward higher NRM with a haplo/PTCy approach (HR, 1.65; 95% CI, .99 to 2.77; P = .06). Haplo/PTCy-based approaches are associated with lower incidences of cGVHD and relapse, with PFS and OS outcomes comparable with MSD/CNI-based approaches. There was a leaning toward higher NRM with a haplo/PTCy-based platform. These data show that haplo/PTCy allo-HCT in cHL results in survival comparable with MSD/CNI-based allo-HCT.
经典霍奇金淋巴瘤(cHL)患者在复发或难治时可能受益于同种异体造血细胞移植(allo-HCT),但许多患者缺乏匹配的同胞供体(MSD)。在此,我们比较了两种用于 cHL 的降低强度预处理(RIC)allo-HCT 平台的结果:T 细胞丰富相关供体单倍体(haplo)HCT 联合移植后环磷酰胺(PTCy)方案与 MSD/钙调磷酸酶抑制剂(CNI)方案。该研究纳入了 2008 年至 2016 年间接受首次 RIC allo-HCT 治疗的 596 例成人 cHL 患者,分别采用 haplo-PTCy(n=139)或 MSD/CNI 方案(n=457)。主要终点为总生存(OS)。次要终点包括急性移植物抗宿主病(aGVHD)和慢性移植物抗宿主病(cGVHD)、非复发死亡率(NRM)、复发/进展和无进展生存(PFS)。多因素分析显示,haplo/PTCy 与 MSD/CNI 方案在 OS(风险比[HR],1.07;95%置信区间[CI],0.79 至 1.45;P=0.66)或 PFS(HR,0.86;95%CI,0.68 至 1.10;P=0.22)方面无显著差异。haplo/PTCy 与 II 至 IV 级 aGVHD 的风险显著升高(比值比[OR],1.73,95%CI,1.16 至 2.59;P=0.007),但两组间 III 至 IV 级 aGVHD 的风险无显著差异(OR,0.61;95%CI,0.29 至 1.27;P=0.19)。haplo/PTCy 方案可显著降低 cGVHD 风险(HR,0.45;95%CI,0.32 至 0.64;P<0.001),并显著降低复发风险(HR,0.74;95%CI,0.56 至 0.97;P=0.03)。与 haplo/PTCy 方案相比,NRM 呈统计学上的非显著增高趋势(HR,1.65;95%CI,0.99 至 2.77;P=0.06)。haplo/PTCy 方案与 MSD/CNI 方案相比,cGVHD 和复发的发生率较低,PFS 和 OS 结果相当。haplo/PTCy 方案与更高的 NRM 倾向相关。这些数据表明,haplo/PTCy 用于 cHL 的 allo-HCT 可产生与 MSD/CNI 为基础的 allo-HCT 相当的生存获益。
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