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  • Title: Localized squamous-cell cancer of the esophagus: retrospective analysis of three treatment schedules.
    Author: Delcambre C, Jacob JH, Pottier D, Gignoux M, Ollivier JM, Vie B, Roussel A, Segol P.
    Journal: Radiother Oncol; 2001 May; 59(2):195-201. PubMed ID: 11325449.
    Abstract:
    BACKGROUND AND PURPOSE: A retrospective study comparing chemotherapy and radiation, esophagectomy alone versus preoperative radiochemotherapy and surgery in localized squamous-cell esophageal carcinoma. MATERIALS AND METHODS: Between 1989 and 1995, 139 patients (40 stage I, 77 stage IIA and 22 stage IIB according to the UICC 78 TNM classification) were treated in two different institutions. They were divided into three groups according to the treatment proposed: E group (treatment by esophagectomy; n = 30), RCT+E group (treatment by preoperative radiochemotherapy and esophagectomy; n = 46), RCT group (treatment by radiochemotherapy; n = 63). Factors like age, tumor localization and stage were similar in all groups. An intention to treat analysis was made. RESULTS: The E group showed no postoperative mortality, while in the RCT+E group, the surgery mortality was 12.8%. The mortality after RCT was 1.7%. After preoperative radiochemotherapy, a pathological complete response was observed in 25% of cases and the curative resection rate was higher (82% after RCT + E versus 60% after E). The 5-year survival difference between the three groups was not relevant (E group, 12.6%; RCT group, 25.8%; RCT + E group, 38.7%). The median survival was 29, 24 and 28.5 months, respectively. The event-free survival was identical for the E group and the RCT group. For patients treated by radiochemotherapy, local and/or distant relapses were significantly reduced by esophagectomy (relapses occurred in 51% of patients in the RCT + E group versus 75% in the RCT group, P = 0.017). Palliative care (dilatations, prosthesis, gastrostomy or jejunostomy) to improve dysphagia was necessary for 38% of patients treated by exclusive radiochemotherapy versus 11% of patients treated by surgery (P = 0.001). CONCLUSIONS: Treatments by esophagectomy or radiochemotherapy were not significantly different. Preoperative radiochemotherapy and surgery lead to a higher survival rate than exclusive radiochemotherapy, however, with a high postoperative mortality rate. This study suggests the relevance of a prospective randomized trial to compare RCT+E and RCT alone.
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