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Ovarian Function, Not Age, Predicts the Benefit from Ovarian Suppression or Ablation for Premenopausal Women with Breast Cancer

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  • Cong Xue
  • Roujun Peng
  • Ye Cao
  • Shusen Wang
  • Yanxia Shi
  • Xin An
  • Fei Xu
  • Zhongyu Yuan

Abstract

The role of adjuvant ovarian suppression or ablation (OS/OA) in premenopausal women with hormone receptor-positive breast cancer remains controversial. The purpose of our study was to examine which patients might benefit from the addition of OS/OA to tamoxifen. We analyzed the data of 2065 premenopausal patients with hormone receptor-positive invasive ductal carcinomas who were treated at Sun Yat-Sen University Cancer Center from 2000 to 2008. The five-year disease-free survival rate (DFSR) and overall survival rate (OSR) were compared by menstrual status and treatment. Compared with patients older than forty years of age, patients younger than forty years old had significant lower DFSRs and OSRs. The addition of OS/OA to tamoxifen increased the DFSR and OSR of patients with normal menstrual cycles after chemotherapy, regardless of their age at diagnosis. Patients with normal menstrual cycles after chemotherapy are the main beneficiaries of an adjuvant OS/OA.

Suggested Citation

  • Cong Xue & Roujun Peng & Ye Cao & Shusen Wang & Yanxia Shi & Xin An & Fei Xu & Zhongyu Yuan, 2016. "Ovarian Function, Not Age, Predicts the Benefit from Ovarian Suppression or Ablation for Premenopausal Women with Breast Cancer," PLOS ONE, Public Library of Science, vol. 11(2), pages 1-11, February.
    • Handle: RePEc:plo:pone00:0148849
    DOI: 10.1371/journal.pone.0148849
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