Osteoporosis & bone health

Fat Body Mass and Vertebral Fracture Progression in Women With Breast Cancer

JAMA Netw OpenPublished Prospective cohort study

An erratum to this article was published (JAMA Netw Open, 5 Feb 2024 ↗)

Authors' conclusion

The findings of this study suggest that baseline FBM is an independent factor for VF progression in patients with EBC treated with adjuvant AIs and denosumab.

Study context

Population
Postmenopausal women with early breast cancer undergoing adjuvant aromatase inhibitors (AIs) with denosumab (60 mg every 6 months), Breast Unit of the ASST Spedali Civili of Brescia, September 2014 to June 2018
Participants
237 women
Outcome
VF progression (new or worsening of preexisting VFs) between study entry and 18 months, assessed by DXA
Follow-up
18 months
Methodological detailssingle-centre
  • Single-centre

Main finding

As reported in the abstract

Association with VF progression (multivariable analysis)
Multivariable analysis; independent variable
Odds ratio (95% CI)P value
Percentage of FBM
5.41(1.49–19.59)
P = 0.01
FRAX score
3.95(1.09–14.39)
P = 0.04
Vertebral fracture (VF) progression among 237 enrolled patients
17 (4.4%)

Observational data: associations, not effects.

Further findings

Factors associated with VF progression, univariable analysis

OR (95% CI)P value
History of clinical fractures3.22 (1.19–8.74)P = 0.02
FRAX score for major fractures4.42 (1.23–13.79)P = 0.04
Percentage of FBM6.04 (1.69–21.63)P = 0.006
Android fat9.58 (1.17–78.21)P = 0.04
Appendicular lean mass index-FBM ratioInverse association0.25 (0.08–0.82)P = 0.02

Original publication

Fat Body Mass and Vertebral Fracture Progression in Women With Breast Cancer. JAMA Netw Open. Published 2 January 2024. doi:10.1001/jamanetworkopen.2023.50950

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