International Journal of Medical Sciences

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9 December 2018

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Int J Med Sci 2018; 15(9):867-874. doi:10.7150/ijms.23067

Research Paper

Outcome and Prospective Factor Analysis of High-dose Therapy Combined with Autologous Peripheral Blood Stem Cell Transplantation in Patients with Peripheral T-cell Lymphomas

Meng Wu, Xiaopei Wang, Yan Xie, Weiping Liu, Chen Zhang, Lingyan Ping, Zhitao Ying, Lijuan Deng, Wen Zheng, Ningjing Lin, Meifeng Tu, Yuqin Song, Jun Zhu

Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Lymphoma, Peking University Cancer Hospital & Institute

Abstract

Background: For peripheral T-cell lymphomas (PTCLs) patients, high-dose therapy combined with autologous peripheral blood stem cell transplantation (HDT/ASCT) has been an alternative treatment option, due to the lack of efficacy from conventional chemotherapy. While not all PTCLs could have benefit in survival from HDT/ASCT. The aim of this study was to evaluate the value of high-dose therapy combined with autologous peripheral blood stem cell transplantation (HDT/ASCT) in Chinese patients with Peripheral T-cell Lymphomas (PTCLs), in order to determine the cohort most suitable to receive HDT/ASCT.

Methods: A total of 79 patients with PTCLs who received HDT/ASCT in Peking University Cancer Hospital & Institute from January 2001 to august 2016 were retrospectively analyzed.

Results: At a median follow-up time of 23.6 months, the 2-year progression-free survival (PFS) and 2-year overall survival (OS) of the entire cohort were 75.2% and 83.6% respectively. Patients with first complete remission (CR1) (2-year PFS 85.8%, 2-year OS 94.2%) were superior to others in survival. Patients with second complete remission (CR2) had no advantage in survival compared with those with first partial remission (PR1) (2-year PFS: 43.8% vs. 76.2%, p=0.128; 2-year OS: 72.9% vs. 77.1%, p=0.842). In multivariate analysis, response before HDT/ASCT (p=0.001) and LDH before HDT/ASCT (p=0.047) were highly predictive for PFS, while no factors could independently predict OS. Subgroup analysis revealed that HDT/ASCT could improve the survival of patients with angioimmunoblastic T-cell lymphoma (AITL), especially in patients with chemosensitivity. Patients with natural killer / T-cell lymphoma (NKTCL) who received HDT/ASCT with CR1 also had benefit in survival from HDT/ASCT, while nearly 90% of non-CR1 patients appeared bone marrow involvement after HDT/ASCT.

Conclusion: Patients who achieved complete remission after first-line therapy, especially with AITL and NKTCL, should strongly be recommended to receive HDT/ASCT. The future prospective trial is warranted.

Keywords: Peripheral T-cell lymphomas, High dose chemotherapy, Autologous peripheral blood stem cell transplantation, Retrospective study

This is an open access article distributed under the terms of the Creative Commons Attribution (CC BY-NC) license (https://creativecommons.org/licenses/by-nc/4.0/). See http://ivyspring.com/terms for full terms and conditions.
How to cite this article:
Wu M, Wang X, Xie Y, Liu W, Zhang C, Ping L, Ying Z, Deng L, Zheng W, Lin N, Tu M, Song Y, Zhu J. Outcome and Prospective Factor Analysis of High-dose Therapy Combined with Autologous Peripheral Blood Stem Cell Transplantation in Patients with Peripheral T-cell Lymphomas. Int J Med Sci 2018; 15(9):867-874. doi:10.7150/ijms.23067. Available from http://www.medsci.org/v15p0867.htm