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Comparing three induction chemotherapy regimens for patients with locoregionally advanced nasopharyngeal carcinoma based on TNM stage and plasma Epstein–Barr virus DNA level

Authors
  • Liu, Sai-Lan1, 2
  • Sun, Xue-Song1, 2
  • Xie, Hao-Jun1, 2
  • Chen, Qiu-Yan1, 2
  • Lin, Huan-Xin1, 2
  • Liang, Hu1, 2
  • Liang, Yu-Jing1, 2
  • Li, Xiao-Yun1, 2
  • Yan, Jin-Jie1, 2
  • Lin, Chao1, 2
  • Yang, Zhen-Chong1, 2
  • Guo, Shan-Shan1, 2
  • Liu, Li-Ting1, 2
  • Tang, Qing-Nan1, 2
  • Du, Yu-Yun1, 2
  • Tang, Lin-Quan1, 2
  • Guo, Ling1, 2
  • Mai, Hai-Qiang1, 2
  • 1 Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China, 651 Dongfeng Road East, Guangzhou, 510060, People’s Republic of China , Guangzhou (China)
  • 2 Sun Yat-sen University Cancer Center, 651 Dongfeng Road East, Guangzhou, 510060, People’s Republic of China , Guangzhou (China)
Type
Published Article
Journal
BMC Cancer
Publisher
Springer (Biomed Central Ltd.)
Publication Date
Feb 03, 2020
Volume
20
Issue
1
Identifiers
DOI: 10.1186/s12885-020-6555-7
Source
Springer Nature
Keywords
License
Green

Abstract

BackgroundWe compared the efficacy and toxicity of three IC regimens (TPF: taxanes, cisplatin, and 5-fluorouracil; TP: taxanes and cisplatin; and PF: cisplatin and 5-fluorouracil) followed by CCRT in locoregionally advanced NPC.MethodsThe retrospective study involved 1354 patients with newly diagnosed stage III-IVA NPC treated with IC and CCRT. The median follow-up time in our cohort was 50 months. Based on EBV DNA level, all the patients with stage IV were divided into low- (pre-EBV DNA < 1500 copies) and high-risk group (pre-EBV DNA ≥ 1500 copies). Progression free survival (PFS), overall survival (OS), locoregional relapse free survival (LRFS), distant metastasis free survival (DMFS) and grade 3–4 toxicities were compared among different IC regimens. The survival rates were compared using log-rank test and a Cox proportional hazards model was used to perform multivariate analyses.ResultsA multivariate analysis revealed TPF to be more effective than TP. Among stage III patients, no significant difference in clinical outcome between the different IC regimens was showed, while TPF was associated with significantly better survival conditions in the stage IV patients. A further subgroup analysis revealed that only patients with pre-EBV DNA ≥ 1500 copies could benefit from the application of TPF among stage IV NPC. In terms of acute toxicities, PF was associated with fewer grade 3/4 acute toxicities.ConclusionsIn low-risk NPC patients, PF-based IC showed similar efficacy as TPF and TP but was associated with fewer grade 3/4 acute toxicities. In high-risk patients, however, the TPF regimen was superior to PF and TP, although grade 3/4 toxicities were more common with the TPF regimen.

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