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- W2094341752 abstract "Background Amifostine is the most clinical used chemical radioprotector, but its effect in patients treated with radiation is not consistent. Methods By searching Medline, CENTRAL, EMBASE, ASCO, ESMO, and CNKI databases, the published randomized controlled trials (RCTs) about the efficacy of amifostine in HNSCC patients treated with radiotherapy were collected. The pooled efficacy and side effects of this drug were calculated by RevMan software. Results Seventeen trials including a total of 1167 patients (604 and 563 each arm) were analyzed in the meta-analysis. The pooled data showed that the use of amifostine significantly reduce the risk of developing Grade3–4 mucositis (relative risk [RR],0.72; 95% confidence interval [CI],0.54–0.95; p<0.00001), Grade 2–4 acute xerostomia (RR,0.70; 95%CI,0.52–0.96; p = 0.02), or late xerostomia (RR,0.60; 95%CI,0.49–0.74; p<0.00001) and Grade 3–4 dysphagia (RR,0.39; 95%CI,0.17–0.92; p = 0.03). However, subgroup analysis demonstrated that no statistically significant reduction of Grade3–4 mucositis (RR,0.97; 95% CI,0.74–1.26; p = 0.80), Grade 2–4 acute xerostomia (RR,0.35; 95%CI,0.02–5.44; p = 0.45), or late xerostomia (RR,0.40; 95%CI,0.13–1.24; p = 0.11) and Grade 3–4 dysphagia (RR,0.23; 95%CI,0.01–4.78; p = 0.35) was observed in patients treated with concomitant chemoradiotherapy. Compared with placebo or observation, amifostine does not show tumor protective effect in complete response (RR,1.02; 95%CI,0.89–1.17; p = 0.76) and partial response (RR,0.90; 95%CI, 0.56–1.44; p = 0.66). For the hematologic side effect, no statistical difference of Grade 3–4 leucopenia (RR,0.60; 95%CI,0.35–1.05; p = 0.07), anemia (RR,0.80; 95%CI, 0.42–1.53; p = 0.50) and thrombocytopenia (RR,0.43; 95%CI,0.16–1.15; p = 0.09) were found between amifostine and control groups. The most common amifostine related side effects were nausea, emesis, hypotension and allergic with an average incidence rate (Grade 3–4) of 5%, 6%, 4% and 4% respectively. Conclusion This systematic review showed that amifostine significantly reduce the serious mucositis, acute/late xerastomia and dysphagia without protection of the tumor in HNSCC patients treated with radiotherapy. And the toxicities of amifostine were generally acceptable." @default.
- W2094341752 created "2016-06-24" @default.
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- W2094341752 date "2014-05-02" @default.
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- W2094341752 title "Effect of Amifostine in Head and Neck Cancer Patients Treated with Radiotherapy: A Systematic Review and Meta-Analysis Based on Randomized Controlled Trials" @default.
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- W2094341752 doi "https://doi.org/10.1371/journal.pone.0095968" @default.
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