Risk of osteoporotic fracture in patients with breast cancer: Meta-analysis

Seeyoun Lee, Jun Il Yoo, Young Kyun Lee, Jung Wee Park, Seokhyung Won, Jiung Yeom, Jin Woo Im, Seok Min Lim, Yong Chan Ha, Kyung Hoi Koo

Research output: Contribution to journalArticle

Abstract

Background: The fracture risk induced by anti-estrogen therapy in patients with breast cancer remains controversial. The aim of this study was to perform a meta-analysis and systematic review to evaluate the risk of osteoporotic fracture in patients with breast cancer. Methods: A systematic search was performed to identify studies that included any osteoporotic fracture (hip fracture and vertebral fracture) in patients breast cancer. Main outcome measures were occurrence and risk of osteoporotic fractures including hip and vertebral fractures in patients and controls. Results: A systematic search yielded a total of 4 studies that included osteoporotic fracture outcomes in patients with breast cancer. Meta-analysis showed a higher risk of osteoporotic fracture in patients with breast cancer. Analysis of these 4 studies involving a total of 127,722 (23,821 cases and 103,901 controls) patients showed that the incidence of osteoporotic fractures was higher in the breast cancer group than in the control group. The pooled estimate of crude relative risk for osteoporotic fracture was 1.35 (95% confidence interval, 1.29-1.42; P<0.001). Conclusions: Although studies were limited by a small number, results suggested a possible association between anti-estrogen therapy and increased risk of osteoporotic fractures in patients with breast cancer.

Original languageEnglish
Pages (from-to)27-34
Number of pages8
JournalJournal of Bone Metabolism
Volume27
Issue number1
DOIs
StatePublished - 1 Feb 2020

Keywords

  • Breast neoplasms
  • Hip fractures
  • Osteoporotic fractures
  • Spinal fractures

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    Lee, S., Yoo, J. I., Lee, Y. K., Park, J. W., Won, S., Yeom, J., Im, J. W., Lim, S. M., Ha, Y. C., & Koo, K. H. (2020). Risk of osteoporotic fracture in patients with breast cancer: Meta-analysis. Journal of Bone Metabolism, 27(1), 27-34. https://doi.org/10.11005/jbm.2020.27.1.27