The clinical efficacy of consolidation chemotherapy for resectable esophageal squamous cell cancer after trimodality therapy

Platinum/5-fluorouracil (PF) is commonly used for chemoradiotherapy (CRT) for locally advanced esophageal and esophagogastric junction (EGJ) cancers. Weekly carboplatin and paclitaxel (CP) regimen for preoperative CRT has increased in popularity due to its potentially less toxicity. We retrospectively compared the tolerability and efficacy of these regimens. Patients with esophageal and EGJ squamous cell carcinoma (SCC) or adenocarcinoma who received CRT with curative intent were included. Safety and tolerability during CRT were evaluated using the CTCAE version 4.0. Efficacy was analyzed using pathologic complete response, disease-free survival, and overall survival. One hundred and twenty-four patients were eligible for analysis (CP = 64, PF = 60). Most patients had esophageal cancer (97%) with SCC histology (91%). Preoperative CRT was planned for 43% of patients in the CP group and 34% in the PF group (p = 0.306). The relative dose intensities of cisplatin (67.0%) and 5-fluorouracil (81.4%) were lower than those of carboplatin (86.6%) and paclitaxel (86.2%). No difference in the radiotherapy dose, hospitalization, interruption, or termination was observed between the groups. Dose reduction of chemotherapy was more frequent in the CP group (38 vs. 19%; p = 0.015). Febrile neutropenia was more frequent in the PF group (8 vs. 0%; p = 0.058). All-grade nausea/vomiting was lower in the CP group (20 vs. 38%; p = 0.032). Efficacy was comparable between both regimens. In the multivariate analysis, the CRT regimen was not a significant predictor of survival. The CP regimen had less toxicity than the PF regimen, while efficacy was comparable. A large prospective randomized study is warranted to confirm these results.

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Tolerability and efficacy of concurrent chemoradiotherapy comparing carboplatin/paclitaxel versus platinum/5-FU regimen for locally advanced esophageal and esophagogastric junction cancers

Tamtai

Jiarpinitnun

Hiranyatheb

et al. 2017

Med Oncol

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Consolidation Therapy in Esophageal Cancer

Martin

2021

Surgical Clinics of North America

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Pathological response to neoadjuvant chemoradiotherapy for oesophageal squamous cell carcinoma in Eastern versus Western countries: meta-analysis

Gao,

Overtoom,

Eyck

et al. 2024

British Journal of Surgery

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Objective Locally advanced oesophageal squamous cell carcinoma can be treated with neoadjuvant chemoradiotherapy or chemotherapy followed by oesophagectomy. Discrepancies in pathological response rates have been reported between studies from Eastern versus Western countries. The aim of this study was to compare the pathological response to neoadjuvant chemoradiotherapy in Eastern versus Western countries. Methods Databases were searched until November 2022 for studies reporting pCR rates after neoadjuvant chemoradiotherapy for oesophageal squamous cell carcinoma. Multi-level meta-analyses were performed to pool pCR rates separately for cohorts from studies performed in centres in the Sinosphere (East) or in Europe and the Anglosphere (West). Results For neoadjuvant chemoradiotherapy, 51 Eastern cohorts (5636 patients) and 20 Western cohorts (3039 patients) were included. Studies from Eastern countries included more men, younger patients, more proximal tumours, and more cT4 and cN+ disease. Patients in the West were more often treated with high-dose radiotherapy, whereas patients in the East were more often treated with a platinum + fluoropyrimidine regimen. The pooled pCR rate after neoadjuvant chemoradiotherapy was 31.7% (95% c.i. 29.5% to 34.1%) in Eastern cohorts versus 40.4% (95% c.i. 35.0% to 45.9%) in Western cohorts (fixed-effect P = 0.003). For cohorts with similar cTNM stages, pooled pCR rates for the East and the West were 32.5% and 41.9% respectively (fixed-effect P = 0.003). Conclusion The pathological response to neoadjuvant chemoradiotherapy is less favourable in patients treated in Eastern countries compared with Western countries. Despite efforts to investigate accounting factors, the discrepancy in pCR rate cannot be entirely explained by differences in patient, tumour, or treatment characteristics.

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The clinical efficacy of consolidation chemotherapy for resectable esophageal squamous cell cancer after trimodality therapy

Abstract: The addition of consolidation chemotherapy demonstrates no survival benefit for patients with locally advanced ESCC, but PFS is significantly improved, especially for males and those who did not achieve pCR.

Cited by 4 publications

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Tolerability and efficacy of concurrent chemoradiotherapy comparing carboplatin/paclitaxel versus platinum/5-FU regimen for locally advanced esophageal and esophagogastric junction cancers

Tolerability and efficacy of concurrent chemoradiotherapy comparing carboplatin/paclitaxel versus platinum/5-FU regimen for locally advanced esophageal and esophagogastric junction cancers

Consolidation Therapy in Esophageal Cancer

Pathological response to neoadjuvant chemoradiotherapy for oesophageal squamous cell carcinoma in Eastern versus Western countries: meta-analysis

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