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Related Experiment Videos

Bone fragility in men--where are we?

E Seeman1, G Bianchi, S Khosla

  • 1Austin Health, Centaur Building, Repatriation Campus, Heidelberg, 3082, Melbourne, Australia. egos@unimelb.edu.au

Osteoporosis International : a Journal Established As Result of Cooperation Between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA
|August 10, 2006
PubMed
Summary

Further research is needed to understand bone fragility in men. Many aspects of fracture epidemiology, pathogenesis, and treatment require more investigation to improve patient outcomes.

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Area of Science:

  • Gerontology
  • Orthopedics
  • Endocrinology

Background:

  • Advances in understanding male osteoporosis have been made, but significant challenges persist.
  • The epidemiology of non-vertebral fractures in men is less defined than hip fractures, despite their substantial contribution to the global fracture burden.
  • Most fragility fractures in men occur in individuals without a diagnosis of osteoporosis, highlighting an unmet clinical challenge.

Purpose of the Study:

  • To summarize current knowledge and identify research gaps in the epidemiology, pathogenesis, and treatment of bone fragility in men.
  • To reassess established notions regarding age-related bone loss in men compared to women.
  • To highlight the need for further investigation into the role of sex hormones and the growth hormone/IGF-1 axis in bone health.

Main Methods:

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  • Review of proceedings from the Third International Osteoporosis in Men meeting (Genoa, May 2005).
  • Analysis of epidemiological data on vertebral and non-vertebral fractures in men.
  • Discussion of existing research on bone mineral density (BMD), fracture risk, and hormonal influences.

Main Results:

  • The incidence of vertebral fractures in men over 50 is lower than in women, but traumatic fractures in younger men complicate prevalence data.
  • Absolute fracture risk appears similar between sexes for the same age and BMD, suggesting current diagnostic thresholds for osteoporosis in women may apply to men.
  • Current understanding of age-related bone loss mechanisms and the effects of sex hormones and growth factors on bone remodeling in men is incomplete.

Conclusions:

  • Significant research is required to advance the understanding of bone fragility in men.
  • Further studies are needed to clarify the proportion of traumatic vertebral fractures in men and identify individuals at high risk of fragility fractures.
  • The anti-fracture efficacy and safety of various treatments, including androgens, remain incompletely investigated in the male population.