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Chemoradiotherapy for Locally Advanced Esophageal Squamous Cell Carcinoma. | LitMetric

Chemoradiotherapy for Locally Advanced Esophageal Squamous Cell Carcinoma.

Langenbecks Arch Surg

Department of Gastroenterological Surgery, Graduate School of Medicine, Yokohama City University, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan.

Published: August 2022

AI Article Synopsis

  • The study investigated the effects of chemoradiotherapy (CRT) on patients with locally advanced unresectable esophageal squamous cell carcinoma (ESCC), focusing on therapeutic effectiveness and outcomes for T4b ESCC patients.
  • Among 155 patients, 67.1% showed a response to CRT, with a median overall survival of 15.2 months and a 3-year survival rate of 32.1%.
  • High Glasgow prognostic score (GPS) and advanced N-category were identified as significant predictors of poor response to CRT, suggesting the need for more effective treatments and careful consideration of salvage surgery options.

Article Abstract

Purpose: Few studies have reported the impact of chemoradiotherapy (CRT) on the objective response of patients with locally advanced unresectable esophageal squamous cell carcinoma (ESCC). We evaluated the factors predicting therapeutic effectiveness and the short- and long-term outcomes in patients with T4b ESCC treated with CRT.

Methods: We included 155 patients with T4b ESCC who underwent CRT at the Department of Surgery, Gastroenterological Center, Yokohama City University, between January 2000 and December 2018. Responders were defined as patients who demonstrated a complete response (CR) or partial response (PR). Multivariate analysis for objective response was performed using a logistic regression model, and prognostic factors were evaluated by univariate and multivariate analyses.

Results: Among the 155 patients included, 20 and 84 patients demonstrated a CR and PR, respectively, resulting in a response rate of 67.1%. The median overall survival (OS) was 15.2 months, and the 3-year survival rate was 32.1%. High Glasgow prognostic score (GPS) and advanced N-category independently predicted the objective response to CRT. GPS and objective response were independent prognostic factors for OS. There was no significant difference in the long-term survival of responders who received subsequent chemotherapy or salvage surgery.

Conclusions: High GPS and advanced N-category predicted a poor objective response to CRT in patients with T4b ESCC. Therefore, chemotherapeutic regimens with a higher efficacy are required. The indications for salvage surgery for responders should be carefully considered, with care taken to avoid complications. To confirm this, prospective randomized controlled studies are necessary.

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Source
http://dx.doi.org/10.1007/s00423-022-02445-4DOI Listing

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