Adjuvant chemoradiotherapy versus chemotherapy for resectable gastric cancer: A systematic review and meta-analysis.
2017
4066 Background: The benefits of adjuvant chemo-radiotherapy (ChRT) over chemotherapy (Ch) for resectable gastric cancer are currently unclear. We performed a systematic review and meta-analysis (direct and indirect) of published randomized controlled trials (RCT) to compare the effects of adjuvant chemo-radiotherapy with chemotherapy on overall and disease-free survival for patients with resectable gastric cancer. Methods: We searched MEDLINE and CENTRAL from the date of inception and annual meeting proceedings of ASCO and ASTRO from 1999 to November 2012 for RCTs comparing adjuvant ChRT with Ch, adjuvant ChRT with surgery alone and adjuvant Ch with surgery alone. The primary outcome was overall survival (OS); secondary outcomes included disease-free survival (DFS) and toxicity. Hazard ratios (HR), confidence intervals (CI) and p values (p) were estimated with fixed effects models using Revman 5.1. Results: We found five trials comparing adjuvant ChRT with Ch (n = 1110), three trials comparing adjuvant C...
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