BioMed Central, BMC Cancer, 1(15), 2015
DOI: 10.1186/s12885-015-1964-8
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Abstract Background The impact of cumulative dose of cisplatin on clinical outcomes of nasopharyngeal carcinoma (NPC) patients who received intensity-modulated radiotherapy (IMRT) was evaluated. Methods This study included 491 consecutive patients with histologically confirmed NPC who were treated with concurrent chemoradiotherapy with IMRT. The patients were divided into three groups: low- (cumulative dose ≤100 mg/m2), medium- (cumulative dose >100 mg/m2 and ≤200 mg/m2), and high- (cumulative dose >200 mg/m2) dose groups. Subgroups of patients included pre-treatment levels of Epstein–Barr Virus DNA (EBV DNA)