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Published in: Radiation Oncology 1/2018

Open Access 01-12-2018 | Research

Induction chemotherapy plus concurrent chemoradiotherapy versus induction chemotherapy plus volumetric modulated arc therapy alone in the treatment of stage II-IVB nasopharyngeal carcinoma patients: a retrospective controlled study

Authors: Linger Liu, Zhenghua Fei, Mengfeng Chen, Lihao Zhao, Huafang Su, Dianna Gu, Baochai Lin, Xiaona Cai, Lihuai Lu, Mengdan Gao, Xuxue Ye, Xiance Jin, Congying Xie

Published in: Radiation Oncology | Issue 1/2018

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Abstract

Background

In the era of intensity-modulated radiotherapy (IMRT), the role of additional concurrent chemotherapy (CC) to radiotherapy (RT) after induction chemotherapy (IC) compared to IC followed by RT alone remains unclear for stage II-IVB nasopharyngeal carcinoma (NPC) patients. The aim of this study was to evaluate the efficacy and toxicities of IC/RT and IC/CCRT in the treatment of NPC with volumetric modulated arc therapy (VMAT).

Methods

From January 2012 to March 2016, a total of 217 NPC patients were retrospectively assessed. Of the 217 patients, 139 patients received IC followed by VMAT alone and 78 patients received IC plus CCRT. Overall survival (OS), progression-free survival (PFS) and toxicities were assessed.

Results

The 5-year OS, PFS rates were 57.5%, 41.8% and 47.8%, 38.4% for the IC/RT and IC/CCRT arms, respectively, without significant difference in survival between the two groups (both p > 0.05). Multivariate analysis indicated that treatment modality (IC/RT vs. IC/CCRT) was not an independent prognostic factor for OS or PFS. Grade 3–4 leukopenia/neutropenia (3.60% vs. 20.51%, p < 0.001), gastrointestinal disorder (nausea/vomiting/diarrhea, 2.16% vs. 41.03%, p < 0.001), mucositis (29.50% vs. 47.44%, p = 0.01) and xerostomia (34.53% vs. 48.72%, p = 0.04) were more frequent in the IC/ CCRT arm than in the IC/RT arm during VMAT.

Conclusions

No significant difference in OS and PFS was observed between IC plus VMAT alone and IC/CCRT in the treatment of stage II-IVB NPC patients, however, more side effects were observed in the IC/CCRT arm.
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Metadata
Title
Induction chemotherapy plus concurrent chemoradiotherapy versus induction chemotherapy plus volumetric modulated arc therapy alone in the treatment of stage II-IVB nasopharyngeal carcinoma patients: a retrospective controlled study
Authors
Linger Liu
Zhenghua Fei
Mengfeng Chen
Lihao Zhao
Huafang Su
Dianna Gu
Baochai Lin
Xiaona Cai
Lihuai Lu
Mengdan Gao
Xuxue Ye
Xiance Jin
Congying Xie
Publication date
01-12-2018
Publisher
BioMed Central
Published in
Radiation Oncology / Issue 1/2018
Electronic ISSN: 1748-717X
DOI
https://doi.org/10.1186/s13014-018-1092-0

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