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October 17, 2025Osteoporosis InternationalOpen Access

Differential fracture risk in breast cancer patients based on endocrine therapy and age: a nationwide cohort study

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Authors

MKMi Kyung KwakYLYou Jin LeeJLJinyoung Lee

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Overview

Retrospective cohort study analyzes fracture incidence in breast cancer patients using endocrine therapy, suggesting age influences outcomes.

Key Points

  • Patients aged over 50 show a reduced fracture risk with tamoxifen, while aromatase inhibitors increase risk in those under 50.
  • Fracture incidence was 12.6 per 1,000 person-years for those over 50, highlighting significant concerns after endocrine therapy.
  • Retrospective cohort study analyzed data from over 63,000 newly diagnosed breast cancer patients in South Korea from 2008 to 2016.
  • Long-term follow-up studies are warranted to better understand fracture risk in young breast cancer patients undergoing treatment.

Cite This Study

Kwak et al. (2025) studied this question.

synapsesocial.com/papers/68f199bfde32064e504dc8ddhttps://doi.org/10.1007/s00198-025-07639-2
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  1. 1Improved Overall Survival in Postmenopausal Women With Early Breast Cancer After Anastrozole Initiated After Treatment With Tamoxifen Compared With Continued Tamoxifen: The ARNO 95 Study2007 · 271 citations
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