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  • Title: A prospective, randomized trial of pre-operative and intraoperative radiotherapy versus surgery alone in resectable gastric cancer.
    Author: Skoropad VY, Berdov BA, Mardynski YS, Titova LN.
    Journal: Eur J Surg Oncol; 2000 Dec; 26(8):773-9. PubMed ID: 11087644.
    Abstract:
    INTRODUCTION: Worldwide, gastric cancer remains one of the most common malignancies. Discouraging survival rates after surgical treatment promote the study of adjuvant therapy. A prospectively, randomized, controlled clinical trial was performed in order to determine whether pre-operative and intraoperative radiotherapy improves treatment results of gastrectomy for stomach carcinoma. METHODS: From 1993 to 1998, 112 patients were randomized and underwent exploratory laparotomy; among them 78 satisfied protocol requirements and entered in the trial. Patients in the experimental group were treated with pre-operative radiotherapy (20 Gy/5 days), gastrectomy and intraoperative radiotherapy (20 Gy using 8-12 electrons). Patients in the control group underwent surgery alone. RESULTS: Incidence and distribution of post-operative complications were similar in both groups except significantly higher incidence of pancreatitis after surgical treatment. No late radiation-related morbidity was registered. There was no significant difference in survival between the two treatment groups (Chi(2)=1.026, df=1, P=0. 311) as well as in N0 (Chi(2)=0.0029, df=1, P=0.956) and T1-2 subgroups (Chi(2)=0.1928, df=1, P=0.660). In contrast, combined treatment had marked survival advantage in more advanced stages: in the case of lymph-node involvement (Chi(2)=4.19, df=1, P=0.04) and extragastric tumour extension (Chi(2)=4.118, df=1, P=0.042). CONCLUSION: The proposed intensive treatment programme is feasible, shows good acute and late tolerance and has the potential to improve survival in patients with locally advanced gastric cancer.
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