Cancer management and research · 2018
Concurrent chemoradiotherapy versus radiotherapy alone for locoregionally advanced nasopharyngeal carcinoma in the era of intensity-modulated radiotherapy: a meta-analysis.
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He Yan, Guo Tao, Guan Hui, Wang Jingjing, Sun Yu, Peng Xingchen
Аннотация
PURPOSE: In this study, we attempted to compare the efficacy and toxicity of concurrent chemoradiotherapy (CCRT) with radiotherapy alone (RT) for locoregionally advanced nasopharyngeal carcinoma (LANPC) in the era of intensity-modulated radiotherapy (IMRT) by meta-analysis.
MATERIALS AND METHODS: We searched databases, and all randomized controlled trials meeting the inclusion criteria were utilized for a meta-analysis with RevMan 5.3 based on the Cochrane methodology.
RESULTS: Fifteen studies were found suitable based on the inclusion criteria. CCRT not only significantly improved the overall response rate (risk ratio [RR]=0.53, 95% CI 0.43-0.66) and the complete response rate (RR=0.60, 95% CI 0.51-0.71) but also contributed to longer overall survival. The incidence of grade 3-4 adverse events from CCRT group increased in hematologic toxicity (RR 2.25, 95% CI 1.54-3.29), radiation-induced oral mucositis (RR 1.64, 95% CI 1.14-2.35), and radiodermatitis (RR 1.80, 95% CI 1.13-2.88).
CONCLUSION: Compared with IMRT alone, CCRT provided survival benefit with acceptable toxicity in patients with LANPC. However, we need multicenter randomized controlled trials and long-term follow-up to evaluate the eventual efficacy and toxicity of concurrent chemotherapy plus IMRT.
MATERIALS AND METHODS: We searched databases, and all randomized controlled trials meeting the inclusion criteria were utilized for a meta-analysis with RevMan 5.3 based on the Cochrane methodology.
RESULTS: Fifteen studies were found suitable based on the inclusion criteria. CCRT not only significantly improved the overall response rate (risk ratio [RR]=0.53, 95% CI 0.43-0.66) and the complete response rate (RR=0.60, 95% CI 0.51-0.71) but also contributed to longer overall survival. The incidence of grade 3-4 adverse events from CCRT group increased in hematologic toxicity (RR 2.25, 95% CI 1.54-3.29), radiation-induced oral mucositis (RR 1.64, 95% CI 1.14-2.35), and radiodermatitis (RR 1.80, 95% CI 1.13-2.88).
CONCLUSION: Compared with IMRT alone, CCRT provided survival benefit with acceptable toxicity in patients with LANPC. However, we need multicenter randomized controlled trials and long-term follow-up to evaluate the eventual efficacy and toxicity of concurrent chemotherapy plus IMRT.