Efficacy of Enteral Access in Patients with Esophageal Squamous Cell Carcinoma Under Neoadjuvant Therapy

Background: Enteral feeding tubes used to manage the nutritional status of esophageal cancer were evaluated regarding their effectiveness in patients receiving neoadjuvant therapy. Patients and Methods: A retrospective study evaluating patients with esophageal squamous cell carcinoma undergoing neoadjuvant therapy between 2001 and 2014 was conducted at a medical center. Hospital patients' records for enteral access (EA) insertion and treatment outcomes were statistically analyzed. Results: Patients with EA at initial diagnosis had lower body mass index than the group without EA (p=0.012). Chemotherapy-related adverse events with grade 3-4 mucositis were significantly less frequent in the EA group (p=0.008), and grade 3-4 anemia was significantly more frequent (p=0.012). The 4-year mortality rate was 63.0% in the EA group and 67.7% in the group without EA (p_{non-inferiority}=0.035), which met the non-inferiority criterion with a non-inferiority margin of 10%. Conclusion: Patients with esophageal squamous cell carcinoma with malnutrition status undergoing neoadjuvant therapy with EA showed an improved outcome at maintaining nutritional status, reduced severity of mucositis and improved survival rate.

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