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- W1491799497 abstract "Although evidence for a significant survival benefit of chest radiotherapy has been proven, no conclusion could be drawn regarding the optimal timing of chest radiation. The aim of this study is to explore whether the timing of chest radiation may influence the survival of the patients with limited-stage small-cell lung cancer (LSSCLC) by performing a literature-based meta-analysis.By searching Medline, CENTRAL (the Cochrane central register of controlled trials), CBM, and CNKI, et al, we collected both domestic and overseas published documents about randomized trials comparing different timing chest radiotherapy in patients with LS-SCLC. Early chest radiation was regarded as beginning within 30 days after the start of chemotherapy. Random or fixed effect models were applied to conduct meta-analysis on the trials. The combined odds ratio (OR) and the 95% confidence interval (CI) were calculated to estimate the mortality in 2 or 3 years and toxicity of the two treatments. The statistical heterogeneity was determined by cochran's Chi-square test (Q test). The Begg' test was used to determine the publication bias.Six trials that included a total of 1 189 patients were analyzed in the meta-analysis 587 patients were in the early radiation group and 602 patients were in the late radiation group. Considering all 6 eligible trials, the overall survival at 2/3 years was not significantly different between early and late chest radiation (OR=0.78, 95%CI: 0.55-1.05, Z=1.68, P=0.093). For the toxicity, no obvious difference was observed for early chest radiotherapy compared with late irradiation in pneumonitis (OR=1.93, 95%CI: 0.97-3.86, P=0.797), esophagitis (OR=1.43, 95%CI: 0.95-2.13, P=0.572) and thrombocytopenia (OR=1.23, 95%CI: 0.88-1.77, P=0.746), respectively.No statistical difference was observed in 2/3 years survival and toxicity, including pneumonitis, esophagitis and thrombocytopenia, between early radiation and late radiotherapy in LS-SCLC." @default.
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- W1491799497 date "2010-09-01" @default.
- W1491799497 modified "2023-10-18" @default.
- W1491799497 title "[A meta-analysis of the timing of chest radiotherapy in patients with limited-stage small cell lung cancer]." @default.
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- W1491799497 doi "https://doi.org/10.3779/j.issn.1009-3419.2010.09.10" @default.
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