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Am J Clin Oncol. 2015 Apr;38(2):130-4. doi: 10.1097/COC.0b013e31828f5cb6.

Concurrent involved-field radiotherapy and XELOX versus XELOX chemotherapy alone in gastric cancer patients with postoperative locoregional recurrence.

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1
Departments of *Radiation Oncology ‡Radiology §Surgery, Shandong Cancer Hospital and Institute †Department of Radiation Oncology, Shandong University Qianfoshan Hospital, Jinan, P.R. China.

Abstract

PURPOSE:

To compare the treatment outcomes of concurrent involved-field radiotherapy and XELOX (oxaliplatin and capecitabine) versus XELOX chemotherapy alone in gastric adenocarcinoma patients with locoregional recurrence.

MATERIALS AND METHODS:

From 2004 to 2008, 79 patients with recurrent locoregional gastric cancer after curative resection of gastric tumor were enrolled. Among them, 41 patients received involved-field radiotherapy (median dose 50 Gy) by a 3-dimensional conformal radiotherapy technique and concurrent XELOX chemotherapy, and 38 patients were treated with XELOX chemotherapy alone (oxaliplatin 130 mg/m, capecitabine 1000 mg/m, twice daily, 3 wk each cycle).

RESULTS:

The concurrent radiochemotherapy group showed better overall response (including complete response and partial response) when compared with the chemotherapy group (87.8% vs. 63.0%, P=0.01). The control rates for pain, bleeding, and dysphagia/obstruction were 89.5% (17/19), 81.8% (9/11), and 80% (8/10), respectively, in the radiochemotherapy group and 58.8% (10/17), 50% (5/10), and 57.1% (4/7), respectively, in the chemotherapy group. The concurrent radiochemotherapy group showed better overall symptom-control rate when compared with the chemotherapy group (55.9% vs. 85%, P=0.006). Patients receiving concurrent radiochemotherapy trended toward a better median overall survival when compared with those receiving chemotherapy alone (13.4 vs. 5.4 mo, P=0.06). In addition, there were no significant differences in the rates of toxicity or adverse reactions between the 2 groups.

CONCLUSIONS:

Concurrent involved-field radiotherapy and XELOX showed better responses and overall symptom-control rates compared with XELOX chemotherapy alone in gastric cancer patients with postoperative locoregional recurrence. A trend of survival benefit from radiochemotherapy was also observed but needs to be further explored.

PMID:
23608834
DOI:
10.1097/COC.0b013e31828f5cb6
[Indexed for MEDLINE]
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