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  • Title: [Induction chemotherapy with docetaxel plus cisplatin (TP regimen) followed by concurrent chemoradiotherapy with TP regimen versus cisplatin in treating locally advanced nasopharyngeal carcinoma].
    Author: Xie FY, Zou GR, Hu WH, Qi SN, Peng M, Li JS.
    Journal: Ai Zheng; 2009 Mar; 28(3):279-85. PubMed ID: 19619443.
    Abstract:
    BACKGROUND AND OBJECTIVE: Clinical trials on docetaxel plus cisplatin (DDP) (TP regimen) in treating nasopharyngeal carcinoma (NPC) are still uncertain due to limited samples. This study was to compare the short-term efficacy and toxicity of induction chemotherapy with TP regimen followed by concurrent chemoradiotherapy with TP regimen versus DDP in treating locally advanced NPC. METHODS: Fifty-seven patients with stage T3-4N2-3M0 NPC diagnosed pathologically from December 2005 to December 2006 were randomized into TP group (30 patients) and DDP group (27 patients). Both groups received TP regimen as induction chemotherapy with docetaxel (70 mg/m(2)) on Day 1 and DDP (80 mg/m(2)) on Day 2, repeating every 21 days for 2 cycles. For concurrent chemotherapy, TP group were administered docetaxel (60 mg/m(2)) on Day 1 and DDP (80 mg/m(2)) on Day 2; DDP group were administered DDP (80 mg/m(2)) on Day 1. Both schedules were repeated every 21 days for 2 cycles. Linear accelerator was used as radioactive source. Irradiation field was designed with CT-simulation and conventional fractions. RESULTS: The 57 patients received 111 cycles of induction chemotherapy, and 53 of them received 103 cycles of concurrent chemotherapy; four patients ceased induction chemotherapy and three ceased concurrent chemotherapy. All patients completed radiotherapy. The major toxicity of induction chemotherapy was hematologic toxicity; the main toxicities of concurrent chemoradiotherapy were hematologic toxicity and mucositis. The occurrence rates of Grade 3-4 leucopenia and Grade 3-4 neutropenia were significantly higher in TP group than in DDP groups (p <0.05). In concurrent chemoradiotherapy, the application rate of granulocyte colony stimulating factor (G-CSF) was significantly higher in TP group than in DDP group (100% vs. 72.0%, p<0.05). After concurrent chemoradiotherapy, the complete remission (CR) rates of the nasopharynx and regional lymph nodes were 93.3% and 92.9% in TP group, and were 96.3% and 91.3% in DDP group (p>0.05). CONCLUSIONS: The short-term efficacy of induction chemotherapy with TP regimen followed by concurrent chemoradiotherapy with TP regimen on locally advanced NPC is similar to that of TP regimen followed by concurrent chemoradiotherapy with DDP. The toxicity of the former schedule is severer than that of the latter, but it is tolerable with the use of G-CSF. The long-term efficacy of induction chemotherapy with TP regimen followed by concurrent chemoradiotherapy with TP regimen need to be further studied.
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