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Sequential chemoradiotherapy with gemcitabine and cisplatin for locoregionally advanced nasopharyngeal carcinoma
Author(s) -
Gu MoFa,
Liu LiZhi,
He LongJun,
Yuan WenXin,
Zhang Rong,
Luo GuangYu,
Xu GuoLiang,
Zhang HuaMan,
Yan ChaoXian,
Li JianJun
Publication year - 2012
Publication title -
international journal of cancer
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.475
H-Index - 234
eISSN - 1097-0215
pISSN - 0020-7136
DOI - 10.1002/ijc.27638
Subject(s) - gemcitabine , regimen , medicine , cisplatin , nasopharyngeal carcinoma , fluorouracil , chemoradiotherapy , chemotherapy , radiation therapy , gastroenterology , oncology , survival rate
We investigated a new chemoradiotherapy (CRT) regimen for locoregionally advanced nasopharyngeal carcinoma (NPC). A total of 240 patients were randomly assigned to three different CRT regimens: sequential CRT [1 cycle chemotherapy + Phase I radiotherapy (RT) + 1 cycle chemotherapy + Phase II RT + 2 cycles chemotherapy] with a cisplatin–gemcitabine (GC) regimen (800 mg/m 2 gemcitabine on Days 1 and 8 and 20 mg/m 2 cisplatin on Days 1–5, every 4 weeks) (sGC‐RT); sequential chemoradiotherapy with a cisplatin–fluorouracil (PF) regimen (20 mg/m 2 DDP and 500 mg/m 2 5‐FU on Days 1–5, every 4 weeks) (sPF‐RT) and cisplatin‐based concurrent chemoradiotherapy plus adjuvant PF chemotherapy (Con‐RT + PF). The complete response rate was higher in the sGC + RT group than in the other two groups (98.75% vs . 92.50%, p < 0.01). The 3‐year overall survival (OS), disease‐free survival (DFS) and distant metastasis‐free survival (DMFS) rates in the sGC‐RT group were significantly higher than those observed in the Con‐RT group (OS, 95.0% vs . 76.3%, p < 0.001; DFS, 89.9% vs . 67.5%, p < 0.001; DMFS, 92.5% vs . 76.0%, p = 0.004) and in the sPF + RT group (OS, 95.0% vs . 73.6%, p < 0.001; DFS, 89.9% vs . 63.3%, p < 0.001; DMFS, 92.5% vs . 74.7%, p = 0.002). There were no significant differences in 3‐year OS, DFS and MFS rates between the Con‐RT and the sPF‐RT groups. The GC‐RT group experienced more hematologic toxicity, constipation and rash; however, there were no differences in late RT toxicity between the groups. These results demonstrate that a sGC‐RT regimen is effective and well tolerated in patients with locoregionally advanced NPC.