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Meta-analysis of neoadjuvant chemoradiotherapy and neoadjuvant chemotherapy for advanced esophageal squamous cell carcinoma / 中华放射肿瘤学杂志
Chinese Journal of Radiation Oncology ; (6): 34-41, 2021.
Article in Chinese | WPRIM | ID: wpr-884513
ABSTRACT

Objective:

To systematically evaluate the efficacy and safety of neoadjuvant chemoradiotherapy (NCRT) plus surgery versus neoadjuvant chemotherapy (NCT) plus surgery in the treatment of advanced esophageal squamous cell carcinoma.

Methods:

Clinical controlled trials of comparing the treatment of NCRT plus surgery with NCT plus surgery for esophageal squamous cell carcinoma were electronically searched from the databases including PubMed, The Cochrane Library, EMbase, CBM, CNKI, WanFang and VIP from the inception of databases to January, 2019. Two reviewers independently screened the literatures, extracted data and assessed the risk of bias of the included studies. And then, a meta-analysis was performed by using RevMan 5.3 software.

Results:

A total of 8 clinical control studies were included, including 995 patients with esophageal squamous cell carcinoma. Meta-analysis results showed that compared with the NCT group, the R 0 resection rate was significantly higher ( OR=2.14, 95% CI 1.03-4.45, P=0.040) and the pathological complete response (pCR) rate was significantly higher ( OR=4.19, 95% CI 1.71-10.28, P=0.002) in the NCRT group. The incidence of postoperative complications ( OR=1.37, 95% CI 0.76-2.48, P=0.300) and the risk of perioperative death ( OR=1.28, 95% CI 0.58-2.83, P=0.54) were not significantly different between two groups. The long-term survival of patients with esophageal squamous cell carcinoma in the NCRT group was significantly better compared with that in the NCT group ( HR=0.77, 95% CI 0.64-0.92, P=0.005).

Conclusions:

Compared with NCT plus surgery for advanced esophageal squamous cell carcinoma, NCRT plus surgery has higher R 0 resection rate and pCR rate, does not significantly increase the risk of perioperative complications or perioperative death, and significantly improves the long-term survival of esophageal squamous cell carcinoma patients.
Full text: Available Index: WPRIM (Western Pacific) Type of study: Systematic reviews Language: Chinese Journal: Chinese Journal of Radiation Oncology Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Systematic reviews Language: Chinese Journal: Chinese Journal of Radiation Oncology Year: 2021 Type: Article