Cancer Res Treat.  2015 Oct;47(4):871-878. 10.4143/crt.2014.141.

Role of Chemotherapy in Stage II Nasopharyngeal Carcinoma Treated with Curative Radiotherapy

Affiliations
  • 1Department of Radiation Oncology, Yeungnam University College of Medicine, Daegu, Korea.
  • 2Department of Radiation Oncology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
  • 3Proton Therapy Center, Research Institute and Hospital, National Cancer Center, Goyang, Korea.
  • 4Department of Radiation Oncology, Seoul National University College of Medicine, Seoul, Korea.
  • 5Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.
  • 6Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
  • 7Department of Radiation Oncology, Yonsei University College of Medicine, Seoul, Korea. cglee1023@yuhs.ac
  • 8Department of Radiation Oncology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
  • 9Department of Medical Oncology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
  • 10Department of Radiation Oncology, Ajou University School of Medicine, Suwon, Korea.
  • 11Department of Radiation Oncology, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
  • 12Department of Radiation Oncology, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea.
  • 13Department of Radiation Oncology, Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Korea.

Abstract

PURPOSE
To define the role of neoadjuvant and concurrent chemotherapy in stage II nasopharyngeal carcinoma, we compared the treatment outcomes of patients treated with curative radiotherapy with or without chemotherapy.
MATERIALS AND METHODS
From 2004 to 2011, 138 patients with American Joint Committee on Cancer (AJCC) 2002 stage II nasopharyngeal carcinoma were treated with curative radiotherapy in 12 hospitals in South Korea. Treatment methods included radiotherapy alone in 34 patients, neoadjuvant chemotherapy followed by radiotherapy alone in seven, concurrent chemoradiotherapy in 80, and neoadjuvant chemotherapy followed by concurrent chemoradiotherapy in 17. Adjuvant chemotherapy was used in 42 patients. Total radiation dose ranged from 64 Gy to 74.2 Gy (median, 70 Gy).
RESULTS
Median follow-up was 48 months (range, 7 to 97 months) for all patients. At the last follow-up, 13 patients had died and 32 had experienced treatment failure; locoregional failure occurred in 14, distant failure in 16, and both in two. Five-year locoregional relapse-free survival, distant metastasis-free survival, progression-free survival, and overall survival were 86.2%, 85.5%, 74.4%, and 88.2%, respectively. Multivariate analyses showed that the significant prognostic factors were concurrent chemotherapy and N stage for locoregional relapse-free survival, concurrent chemotherapy for progression-free survival, and age and N stage for overall survival. Neither neoadjuvant nor concurrent chemotherapy improved distant metastasis-free survival.
CONCLUSION
Concurrent chemotherapy significantly improved 5-year locoregional relapse-free survival and progression-free survival in stage II nasopharyngeal carcinoma. However, neoadjuvant chemotherapy failed to improve either.

Keyword

Nasopharyngeal carcinoma; Radiotherapy; Chemotherapy; Chemoradiotherapy

MeSH Terms

Chemoradiotherapy
Chemotherapy, Adjuvant
Disease-Free Survival
Drug Therapy*
Follow-Up Studies
Humans
Joints
Korea
Multivariate Analysis
Radiotherapy*
Treatment Failure

Figure

  • Fig. 1. Locoregional relapse-free, distant metastasis-free, progression-free, and overall survival curves for all patients.

  • Fig. 2. Progression-free survival (A) and locoregional relapse-free survival (B) curves according to the use of concurrent chemotherapy.


Cited by  1 articles

Patterns of Failure and Survival Trends in 3,808 Patients with Stage II Nasopharyngeal Carcinoma Diagnosed from 1990 to 2012: A Large-Scale Retrospective Cohort Study
Xue-Song Sun, Di-Han Liu, Sai-Lan Liu, Qiu-Yan Chen, Shan-Shan Guo, Yue-Feng Wen, Li-Ting Liu, Hao-Jun Xie, Qing-Nan Tang, Yu-Jing Liang, Xiao-Yun Li, Jin-Jie Yan, Ming-Huang Hong, Jun Ma, Lin-Quan Tang, Hai-Qiang Mai
Cancer Res Treat. 2019;51(4):1449-1463.    doi: 10.4143/crt.2018.688.


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