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Concurrent chemoradiotherapy versus radiotherapy alone for T3-4N0-1M0 and T1-4N2-3M0 nasopharyngeal carcinoma after induction chemotherapy / 中华放射肿瘤学杂志
Article in Chinese | WPRIM | ID: wpr-387297
Responsible library: WPRO
ABSTRACT
Objective To compare the efficacy of concurrent chemoradiotherapy versus radiotherapy alone for T3-4 N0-1 M0 and T14 N2-3 M0 nasopharyngeal carcinoma (NPC) after induction chemotherapy.Methods From 2002 to 2005,400 patients with stage Ⅲ and Ⅳa NPC were randomly divided into 2 groupsinduction chemotherapy followed by concurrent chemoradiotherapy group (IC/CCRT,201 patients),and induction chemotherapy followed by radiotherapy alone group (IC/RT, 199 patients).Subgroup analysis was conducted for 197 patients with stage T3-4N0-1M0 NPC and 203 with stage T1-4N2-3M0 NPC.Results The follow-up rate were 96.2%, with a median followg-up time of 3.9 years.For T3-4N0-1 M0 NPC patients in IC/CCRT group (104 patients) and IC/RT group (93 patients), the 3-year overall survival, disease-free survival, locoregional recurrence-free survival and distant metastasis-free survival rates were 84.0% and 85.9% (χ2=0.08,P =0.780) ,77.0% and 72.0% (χ2=0.44,P =0.510) ,89.5% and 92.3% (χ2=0.65 ,P = 0.420), and 84.9% and 77.0% (χ2= 1.59, P = 0.210), respectively; For T1-4 N2-3 M0 NPC patients in IC/CCRT group (97 patients) and IC/RT group (106 patients), the corresponding rates were 67.4% and 82.2% (χ2=3.48,P=0.060), 61.5% and 68.0% (χ2= 1.86,P=0.170), 86.2% and 87.0% (χ2=0.57 ,P =0.450) and 66.2% and 75.6% (χ2=2.07 ,P =0.150), respectively.Acute sideeffects were similar except more leucocytopenia in IC/CCRT group than IC/RT group.Conclusions Compared with IC/RT, IC/CCRT dose not improve the overall survival in patients with T3-4N0-1 M0 and T1-4 N2-3 M0 NPC.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Radiation Oncology Year: 2010 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Radiation Oncology Year: 2010 Type: Article