Abstract:
BACKGROUND:This study aimed to evaluate the long-term outcome and toxicities in patients with locoregionally advanced nasopharyngeal carcinoma (NPC) treated by concurrent chemoradiotherapy (CCRT) with/without adding cetuximab. METHODS:A total of 62 patients treated with CCRT plus cetuximab were matched with 124 patients treated with CCRT alone by age, sex, pathological type, T category, N category, disease stage, radiotherapy (RT) technique, Epstein-Barr virus (EBV) DNA levels, and Eastern Cooperative Oncology Group (ECOG). Overall survival (OS), progression-free survival (PFS), locoregional recurrence-free survival (LRFS), and distant metastasis-free survival (DMFS) were assessed using the Kaplan-Meier method and log-rank test. Treatment toxicities were clarified and compared between two groups. RESULTS:A total of 186 well-balanced stage II to IV NPC patients were retrospectively analyzed (median follow-up, 76 months). Compared to CCRT alone, adding cetuximab resulted in more grade 3 to 4 radiation mucositis (51.6% vs. 23.4%; P < 0.001). No differences were found between the CCRT + cetuximab group and the CCRT group in 5-year OS (89.7% vs. 90.7%, P = 0.386), 3-year PFS (83.9% vs. 88.7%, P = 0.115), the 3-year LRFS (95.0% vs. 96.7%, P = 0.695), and the 3-year DMFS (88.4% vs 91.9%, P = 0.068). Advanced disease stage was the independent prognostic factor predicting poorer OS and PFS. CONCLUSION:Adding cetuximab to CCRT did not significantly improve benefits in survival in stage II to IV NPC and exacerbated acute mucositis and acneiform rash. Further investigations are warranted.
journal_name
BMC Cancerjournal_title
BMC cancerauthors
Li Y,Chen QY,Tang LQ,Liu LT,Guo SS,Guo L,Mo HY,Chen MY,Guo X,Cao KJ,Qian CN,Zeng MS,Bei JX,Shao JY,Sun Y,Tan J,Chen S,Ma J,Zhao C,Mai HQdoi
10.1186/s12885-017-3552-6subject
Has Abstractpub_date
2017-08-24 00:00:00pages
567issue
1issn
1471-2407pii
10.1186/s12885-017-3552-6journal_volume
17pub_type
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