Carcinoma of the Esophagus Part 1: Primary Therapy

ABSTRACT: The two general treatment approaches for esophagel cancer include primary treatment (surgical or nonsurgical) or adjuvant treatment (preoperative or postoperative). Due to differences in the patient populations selected for surgical or nonsurgical therapies, which may bias the results against nonsurgical therapy, it is difficult to determine the best treatment approach for this disease. The standard of care is either surgery alone or primary combined-modality therapy. Based on a nonrandomized comparison of the data from recent intergroup trials, the results of these two approaches are similar. For patients treated without surgery, the intergroup INT 0123 trial will determine whether higher doses of radiation are of benefit. No clear survival advantage has been seen with preoperative or postoperative adjuvant radiation therapy alone or chemotherapy alone. The randomized trials comparing preoperative combined-modality therapy vs surgery alone reveal encouraging results for the combination appropach but need further confirmation. For patients treated with combined-modality therapy, the ideal regimen remains to be determined. The first part of this two-part article focuses on the rationale for and results of primary therapy for esophageal carcinoma. Part 2, which will appear in next month’s issue, covers adjunctive therapy. [ONCOLOGY 13(9):1225-1236,1999]

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