Ying Lu1, Dagui Chen1, Jinhui Liang2, Jianquan Gao2, Zhanxiong Luo3, Rensheng Wang4, Wenqi Liu5, Changjie Huang6, Xuejian Ning7, Meilian Liu8, Haixin Huang9. 1. Department of Oncology, the Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou, China. 2. Department of Radiotherapy, Wuzhou Red Cross Hospital, Wuzhou, China. 3. Department of Radiotherapy, Liuzhou People's Hospital, Liuzhou, China. 4. Department of Radiotherapy, the First Affiliated Hospital of Guangxi Medical University, Nanning, China. 5. Department of Radiotherapy, the Second Affiliated Hospital of Guangxi Medical University, Nanning, China. 6. Department of Oncology, the Second People's Hospital of Nanning, Nanning, China. 7. Department of Oncology, Liuzhou Traditional Chinese Medical Hospital, Liuzhou, China. 8. Department of Radiotherapy, the Affiliated Hospital of Guilin Medical College, Guilin, China. 9. Department of Oncology, the Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou, China. 13507726193@163.com.
Abstract
BACKGROUND:Nimotuzumab (NTZ) is an anti-EGFR monoclonal antibody. However,the effect of targeted drugs combined with induction therapy in locally advanced nasopharyngeal carcinoma remains unclear. The aim of this study is to investigate the safety and efficacy of NTZ combined with cisplatin plus 5-fluorouracil (PF) as induction regimen in locally advanced nasopharyngeal carcinoma (NPC) patients receiving concurrentradiochemotherapy. METHODS: This was a multicenter randomized controlled study performed in eight Guangxi hospitals in 2015-2017. Eligible patients with NPC were randomized into nimotuzumab/PF (NPF group) and docetaxel/PF (DPF group) regimens, respectively, as induction therapy. After 2 cycles of induction therapy, all patients received cisplatin and concurrent intensity modulated radiation therapy (IMRT). Then, the two groups were compared for safety and efficacy. RESULTS: A total of 118 patients with stage III-IVa NPC were assessed, with 58 and 60 in the NPF and DPF groups, respectively. Compared with DPF treatment, NPF induction therapy showed a more pronounced effect on cervical lymph nodes (P = 0.036), with higher response rate (RR) (81% vs 60%). Compared with the DPF group, the NPF group showed significantly reduced leukopenia, neutropenia and gastrointestinal reactions (all P < 0.05); rash only appeared in the NPF group, but all cases were grade 1. During concurrent treatment with radiotherapy and chemotherapy, the NPF group showed better tolerance to radiotherapy and chemotherapy; neutropenia, anemia, gastrointestinal reactions, oral mucositis and radiation dermatitis in the NPF group were significantly reduced (P < 0.05). The expression rate of EGFR was 94.9% (112/118). Compared with the DPF group, patients with EGFR expression in the NPF group showed better response (77.8% vs 63.0%, P = 0.033). CONCLUSION: For locally advanced NPC patients receiving follow-up cisplatin and IMRT, nimotuzumab/PF for induction therapy has better lymph node response rate and milder adverse reactions than the DPF regimen. In addition, the patients have better tolerance in subsequent concurrent radiotherapy and chemotherapy; however, long-term efficacy needs further follow-up evaluation. TRIAL REGISTRATION: The registration number of the clinical trial is ChiCTR-OIC-16008201 and retrospectively registered on March 31, 2016.
RCT Entities:
BACKGROUND:Nimotuzumab (NTZ) is an anti-EGFR monoclonal antibody. However,the effect of targeted drugs combined with induction therapy in locally advanced nasopharyngeal carcinoma remains unclear. The aim of this study is to investigate the safety and efficacy of NTZ combined with cisplatin plus 5-fluorouracil (PF) as induction regimen in locally advanced nasopharyngeal carcinoma (NPC) patients receiving concurrent radiochemotherapy. METHODS: This was a multicenter randomized controlled study performed in eight Guangxi hospitals in 2015-2017. Eligible patients with NPC were randomized into nimotuzumab/PF (NPF group) and docetaxel/PF (DPF group) regimens, respectively, as induction therapy. After 2 cycles of induction therapy, all patients received cisplatin and concurrent intensity modulated radiation therapy (IMRT). Then, the two groups were compared for safety and efficacy. RESULTS: A total of 118 patients with stage III-IVaNPC were assessed, with 58 and 60 in the NPF and DPF groups, respectively. Compared with DPF treatment, NPF induction therapy showed a more pronounced effect on cervical lymph nodes (P = 0.036), with higher response rate (RR) (81% vs 60%). Compared with the DPF group, the NPF group showed significantly reduced leukopenia, neutropenia and gastrointestinal reactions (all P < 0.05); rash only appeared in the NPF group, but all cases were grade 1. During concurrent treatment with radiotherapy and chemotherapy, the NPF group showed better tolerance to radiotherapy and chemotherapy; neutropenia, anemia, gastrointestinal reactions, oral mucositis and radiation dermatitis in the NPF group were significantly reduced (P < 0.05). The expression rate of EGFR was 94.9% (112/118). Compared with the DPF group, patients with EGFR expression in the NPF group showed better response (77.8% vs 63.0%, P = 0.033). CONCLUSION: For locally advanced NPCpatients receiving follow-up cisplatin and IMRT, nimotuzumab/PF for induction therapy has better lymph node response rate and milder adverse reactions than the DPF regimen. In addition, the patients have better tolerance in subsequent concurrent radiotherapy and chemotherapy; however, long-term efficacy needs further follow-up evaluation. TRIAL REGISTRATION: The registration number of the clinical trial is ChiCTR-OIC-16008201 and retrospectively registered on March 31, 2016.
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