Clinical efficacy of modified preoperative neoadjuvant chemotherapy in the treatment of locally advanced (stage IB2 to IIB) cervical cancer: A randomized study

被引:141
作者
Chen, Huijun [1 ]
Liang, Chuan [2 ]
Zhang, Lei [1 ]
Huang, Shuang [3 ]
Wu, Xufeng [1 ]
机构
[1] Wuhan Univ, Zhongnan Hosp, Dept Gynecol Oncol, Wuhan 430071, Hubei Province, Peoples R China
[2] Wuhan Univ, Dept Gen Surg, Wuhan 430071, Hubei Province, Peoples R China
[3] Med Coll Georgia, Dept Biochem & Mol Biol, Augusta, GA 30912 USA
关键词
locally advanced cervical cancer; neoadjuvant chemotherapy; survival;
D O I
10.1016/j.ygyno.2008.05.026
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Objectives. The use of preoperative neoadjuvant chemotherapy (NAC) in locally advanced cervical cancer (LACC) was hindered by the disadvantages of a delay of curative treatment for nonresponders and the development of radioresistant cells. However, these disadvantages may be overcome by a 'quick' high-dose scheme administered in a short period before surgery. Our purpose is to assess the efficacy of NAC with short cycle-length, high-close agents for LACC. Method. Froth 1999 to 2004, 142 of patients with LACC (stage IB2-IIB, tumor diameter >= 4 Cm) were assigned to randomly receive either NAC followed by surgery or primary surgery directly. A modified NAC scheme with short cycle-length, high-dose agents was used. Results. The overall clinical response rate was 69.4%. The chemotherapeutic response was more favorable in the squamous carcinoma and the tumors smaller than 8 cm (P=0.005, P=0.029). Pathologic findings showed that the pelvic lymph node metastasis and parametrial infiltration rates were significantly lower in NAC group than in the primary surgery group (P=0.025; P=0.038). Among patients who received NAC, the lymph node metastasis rate was still as high as 45.5% in non-NAC responders, and it decreased to 16.0% in NAC responders (P=0.008). The same thing also occurred with parametrial infiltration: 45.5% in non-NAC responders compared with 16.0% in NAC responders (P=0.008). Survival analysis revealed that although log-rank test showed a longer tumor-free survival in NAC group than in the primary surgery group (P=0.041), Coy hazard analysis did not indicate the therapy modality as a prognostic predictor (P=0.074). However, after further subdivision, we found that NAC responders had longer tumor-free survival and lower recurrence rate than non-NAC responders (P=0.000; P=0.013). NAC response was also an independent prognostic predictor (P=0.005). Conclusion. The modified preoperative NAC is swell tolerated and beneficial in reducing tumor size, eliminating pathological risk factors, and improving prognosis for responders. It also avoids the delay of effective treatment for non-NAC responders. (C) 2008 Elsevier Inc. All rights reserved.
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收藏
页码:308 / 315
页数:8
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