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Comparison of the prognosis of neoadjuvant chemoradiotherapy treatment with surgery alone in esophageal carcinoma: a meta-analysis.

ABSTRACT: Resection remains the best treatment for carcinoma of the esophagus in terms of local control, but local recurrence and distant metastasis remain an issue after surgery. Chemo-radiotherapy (CRT) followed by surgery was associated with significantly improved survival benefit, but the effectiveness of neoadjuvant therapy in patients with resectable esophageal carcinoma remains controversial. The aim of this study was to evaluate the effects of neoadjuvant chemoradiotherapy in resectable esophageal carcinoma compared to surgery alone (SA).A search for publications that compared the efficacy of CRT with SA in resectable esophageal carcinoma was conducted. After a rigorous review of the quality, the data were extracted from eligible trials. The major outcomes measures were odds ratios (ORs). The ORs with their corresponding 95% confidence intervals were the principal measure of effects. For the meta-analysis, Revman 5.3 software was used to analyze the combined pooled ORs using fixed- or random-effects models according to the heterogeneity.Our findings revealed that, compared with SA, neoadjuvant CRT was associated with improved overall survival (OS) and progression-free survival times, but the 3- and 5-year OS did not show a statistical difference (P?0.05). The adjuvant chemotherapy group did not show significant improvement on reference rate and metastasis rate compared with the control group.CRT does significantly improve progression-free survival and OS in patients with esophageal cancer compared with SA. However, further assessment is still warranted on the role of CRT in future trials with well-selected patients.

SUBMITTER: Ma HF

PROVIDER: S-EPMC6005309 | biostudies-other | 2018

REPOSITORIES: biostudies-other

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Comparison of the prognosis of neoadjuvant chemoradiotherapy treatment with surgery alone in esophageal carcinoma: a meta-analysis.

Ma Hai-Feng HF Lv Guo-Xiao GX Cai Zhong-Fang ZF Zhang Da-Hai DH

OncoTargets and therapy 20180614

<h4>Background</h4>Resection remains the best treatment for carcinoma of the esophagus in terms of local control, but local recurrence and distant metastasis remain an issue after surgery. Chemo-radiotherapy (CRT) followed by surgery was associated with significantly improved survival benefit, but the effectiveness of neoadjuvant therapy in patients with resectable esophageal carcinoma remains controversial. The aim of this study was to evaluate the effects of neoadjuvant chemoradiotherapy in re ...[more]

PMID: 29942136

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Project description:ImportanceThe prognosis of patients with locally advanced esophageal squamous cell carcinoma (ESCC) remains poor after surgery. Neoadjuvant chemoradiotherapy (NCRT) has been shown to potentially improve survival.ObjectiveTo compare the treatment efficacy of NCRT plus surgery with surgery alone for long-term survival among patients with locally advanced ESCC.Design, setting, and participantsThe Neoadjuvant Chemoradiotherapy for Esophageal Cancer 5010 study was a multicenter open-label randomized phase 3 clinical trial that enrolled patients between June 1, 2007, and December 31, 2014. Follow-up ended on December 31, 2019. The study was conducted at 8 centers in China. A total of 451 patients aged 18 to 70 years with thoracic ESCC stage T1-4N1M0/T4N0M0 were enrolled and randomized. Data were analyzed from December 1, 2019, to June 30, 2020.InterventionsPatients randomized to receive NCRT plus surgery (NCRT group) received preoperative chemotherapy (25 mg/m2 of vinorelbine on days 1 and 8 and 75 mg/m2 of cisplatin on day 1 or 25 mg/m2 of cisplatin on days 1 to 4) every 3 weeks for 2 cycles and concurrent radiotherapy (40.0 Gy, administered in 20 fractions of 2.0 Gy for 5 days per week) followed by surgery. Patients randomized to receive surgery alone (surgery group) underwent surgery after randomization.Main outcomes and measuresThe primary end point was overall survival in the intention-to-treat population. The secondary end point was disease-free survival.ResultsA total of 451 patients (mean [SD] age, 56.5 [7.0] years; 367 men [81.4%]) were randomized to the NCRT (n = 224) and surgery (n = 227) groups and were eligible for the intention-to-treat analysis. By December 31, 2019, 224 deaths had occurred. The median follow-up was 53.5 months (interquartile range, 18.2-87.4 months). Patients receiving NCRT plus surgery had prolonged overall survival compared with those receiving surgery alone (hazard ratio, 0.74; 95% CI, 0.57-0.97; P = .03), with a 5-year survival rate of 59.9% (95% CI, 52.9%-66.1%) vs 49.1% (95% CI, 42.3%-55.6%), respectively. Patients in the NCRT group compared with the surgery group also had prolonged disease-free survival (hazard ratio, 0.60; 95% CI, 0.45-0.80; P < .001), with a 5-year survival rate of 63.6% (95% CI, 56.0%-70.2%) vs 43.0% (95% CI, 36.0%-49.7%), respectively.Conclusions and relevanceIn this randomized clinical trial, treatment with NCRT plus surgery significantly improved long-term overall survival and disease-free survival and therefore may be considered a standard of care for patients with locally advanced ESCC.Trial registrationClinicalTrials.gov Identifier: NCT01216527.

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Comparison of the prognosis of neoadjuvant chemoradiotherapy treatment with surgery alone in esophageal carcinoma: a meta-analysis.

Publications

Comparison of the prognosis of neoadjuvant chemoradiotherapy treatment with surgery alone in esophageal carcinoma: a meta-analysis.

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