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A prospective study on neoadjuvant chemoradiotherapy plus anti-EGFR monoclonal antibody followed by surgery for locally advanced cervical cancer

Authors Lu H, Wu Y, Liu X, Jiang H, Pang Q, Peng L, Cheng J, Deng S, Gu J, Zhao R, Hu X, Chen C, Yu J

Received 29 January 2018

Accepted for publication 10 May 2018

Published 2 July 2018 Volume 2018:11 Pages 3785—3792

DOI https://doi.org/10.2147/OTT.S164071

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Prof. Dr. Jianmin Xu


Heming Lu,1,2 Yuying Wu,3 Xu Liu,2 Hailan Jiang,2 Qiang Pang,2 Luxing Peng,2 Jinjian Cheng,2 Shan Deng,2 Junzhao Gu,2 Renfeng Zhao,3 Xiaoxia Hu,3 Changyi Chen,3 Jinming Yu1

1Department of Radiation Oncology, Shandong Cancer Hospital Affiliated to Shandong University, Jinan, China; 2Department of Radiation Oncology, People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, China; 3Department of Gynecology, People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, China

Background: To investigate the efficacy and safety of neoadjuvant chemoradiotherapy plus anti-epidermal growth factor receptor monoclonal antibody followed by surgery for locally advanced cervical cancer (LACC).
Patients and methods: Patients with histologically proven LACC were enrolled into this prospective study. All patients received intensity-modulated radiation therapy with conventional fractionation. Weekly cisplatin or nedaplatin was administered concurrently with intensity-modulated radiation therapy. Nimotuzumab, a humanized anti-epidermal growth factor receptor monoclonal antibody, was given at a dose of 200 mg per week for 6 cycles. Approximately 1 month after the completion of neoadjuvant treatment, the patients were assessed for clinical tumor response and operability based on MRI and gynecological examination. For those who were considered to be candidates for surgery, radical hysterectomy, and pelvic lymph node dissection were performed 5–6 weeks after the completion of neoadjuvant therapy.
Results: Twenty-eight patients were enrolled. Clinical complete response and partial response were found in 8 (28.5%) and 20 (71.5%) patients, respectively. Four patients were not eligible for surgery and 2 patients refused surgery although they were assessed as surgical candidates. They were not included in this analysis. Radical hysterectomy and pelvic lymph node dissection were performed for the remaining 22 patients. Among them, 8 (36.4%) had complete pathology response, 9 (40.9%) presented with persistent atypical cells or cervical intraepithelial neoplasia, and 5 (22.7%) presented with macroscopic and/or microscopic residual disease, according to the pathological evaluation. Median follow-up time was 22 months (range, 5–39 months). The 2-year locoregional control rate, progression-free survival rate, distant metastasis-free survival rate, and overall survival rate were 95.0%, 85.2%, 84.0%, and 90.0%, respectively. Acute toxicities were mild in general and easily manageable. Chronic toxicities were mainly limited to grade 1. No severe late toxicities were observed.
Conclusion: Concurrent chemoradiotherapy plus nimotuzumab followed by surgery is highly effective and safe in LACC. Further studies are warranted to confirm the findings.

Keywords:
locally advanced cervical cancer, neoadjuvant chemotherapy, intensity-modulated radiotherapy, anti-EGFR monoclonal antibody, radical surgery, hysterectomy

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