4.8 Article

Comparison of Chemotherapy Combined With Chidamide Versus Chemotherapy in the Frontline Treatment for Peripheral T-Cell Lymphoma

期刊

FRONTIERS IN IMMUNOLOGY
卷 13, 期 -, 页码 -

出版社

FRONTIERS MEDIA SA
DOI: 10.3389/fimmu.2022.835103

关键词

peripheral T-cell lymphoma; HDAC inhibitor; chidamide; chemotherapy; frontline

资金

  1. Special Support Program of Sun Yat-sen University Cancer Center [PT19020401]
  2. Science and Technology Planning Project of Guangzhou, China [202002030205]
  3. Clinical Oncology Foundation of Chinese Society of Clinical Oncology [Y-XD2019-124]

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This study compared the benefit of chidamide combined with traditional chemotherapy against newly diagnosed PTCL with traditional chemotherapy alone. Prognostic factors related to progression and survival in patients with untreated PTCL were also investigated. The results showed that the combination of chidamide and chemotherapy resulted in a better progression-free survival compared to chemotherapy alone, especially in patients with high IPI scores. However, there was no significant difference in overall survival between the two groups.
BackgroundPeripheral T-cell lymphoma (PTCL) is featured with a poor survival outcome. China has approved chidamide, an oral novel histone deacetylase inhibitor, for patients diagnosed with relapsed or refractory PTCL. ObjectiveWe compared the benefit of traditional chemotherapy alone and a combination of chidamide and traditional chemotherapy against newly diagnosed PTCL. Prognostic factors related to progression and survival in patients diagnosed with untreated PTCL were also investigated. Methods104 patients with newly diagnosed PTCL were enrolled and divided into chemotherapy (ChT) group and chemotherapy combined with chidamide (ChT+C) group. Survival curves were plotted by the Kaplan-Meier method. Univariate and multivariate analysis were conducted with Log-rank test and Cox's proportional hazard regression. Subgroup analysis and interaction tests were conducted to evaluate factors associated with prognostic differences between ChT and ChT+C groups. ResultsCompared with patients in ChT group, those in ChT+C group had superior progression-free survival (PFS) (p=0.047). However, there was no significantly statistical difference observed between the two groups in overall survival (OS) (p=0.212). High IPI scores have a negative relationship with survival. Multivariate analysis revealed that the type of frontline treatment regimen is an independent factor associated with PFS of PTCL patients (p=0.045). In the subgroup of patients with high international prognostic index scores (3-5), the HR value for PFS comparing ChT with ChT+C was 4.675. A test of interaction between IPI and treatment showed statistical significance (p = 0.037), implying that the benefits of ChT+C are higher for patients with high IPI scores. ConclusionsIn summary, the combination of ChT and chidamide may provide a promising prospect for patients with newly diagnosed PTCL.

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