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  • Title: [Value of radiotherapy and chemotherapy in treatment of operable cancers of the esophagus].
    Author: Msika S, Hay JM.
    Journal: J Chir (Paris); 2002 Feb; 139(1):17-24. PubMed ID: 12071024.
    Abstract:
    Radiotherapy and chemotherapy have been used for more than twenty years as adjuvant treatment of operable cancer of the esophagus. The palliative effect of adjuvant (or neoadjuvant) radio- and/or chemotherapy has been demonstrated in numerous randomized trials. The purpose of this review is to present the principal randomized trials conducted in the treatment of operable cancer of the esophagus. Alone, radiotherapy does not significantly improve survival in patients with operable cancer of the esophagus, irrespective of the pre- or postoperative timing (three trials and one meta-analysis for preoperative, three trials for postoperative, and one trial for pre- and postoperative radiotherapy). Likewise, alone chemotherapy does not significantly improve survival whether given preoperatively (four trials), postoperatively (two trials) or pre- and postoperatively (one trial). Radiochemotherapy combinations appear to provide more hope, but preliminary results are insufficient to draw a clear conclusion. Nevertheless, trial comparing radiotherapy results with chemotherapy, conducted pre- or postoperatively (four trials) appear to demonstrate a significant effect of chemotherapy. The two trials using neoadjuvant therapy have been conducted on patients with adenocarcinomas of the cardia and/or the lower esophagus and have demonstrated very encouraging results for a small number of patients. Finally, the Herslovic trial, while conducted in patients who were initially inoperable, is the only one which has demonstrated superiority of radiochemotherapy over radiotherapy alone. In conclusion, there is still much room for improvement in survival using combined radio- and chemotherapy with different forms (new agents, new associations) and treatment modes (pre- and postoperative or postoperative alone). Despite the wide use of radiotherapy and chemotherapy for cancer of the esophagus, it must be recalled that surgical resection remains the method providing the best chances of survival.
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