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Calcified Tissue International

, Volume 36, Issue 1, pp 19–24 | Cite as

Serum vitamin D metabolites in younger and elderly postmenopausal women

  • Claus Christiansen
  • Paul Rødbro
Clinical Investigations

Summary

Previous investigations have suggested that a lower-than-normal serum 1,25(OH)2D is found in elderly women with postmenopausal osteoporosis. We examined the fundamental aspects of this theory by investigating serum vitamin D metabolites infour representative samples of Caucasian women. These included 44 early postmenopausal women divided intotwo subgroups: fast bone losers, that is, bone loss>3%/year (n=20), and “physiological” bone loss (n=24); and 28 70-year-old women divided intotwo subgroups: with and without osteoporotic fractures. Serum 1,25(OH)2D concentrations were virtually the same in all groups thus contradicting the previous reports of low 1,25(OH)2D in elderly women. Furthermore, mean 25OHD and 24,25(OH)2D did not differ between the groups. We conclude that 1,25(OH)2D is unlikely to be significant in the development or treatment of a majority of women with postmenopausal osteoporosis.

Key words

1,25-dihydroxyvitamin D 24,25-dihydroxyvitamin D 25-Hydroxyvitamin D Postmenopausal osteoporosis 

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Copyright information

© Springer-Verlag 1984

Authors and Affiliations

  • Claus Christiansen
    • 1
  • Paul Rødbro
    • 2
  1. 1.Department of Clinical ChemistryGlostrup Hospital, University of CopenhagenGlostrup
  2. 2.Department of Clinical PhysiologyAalborg HospitalAalborgDenmark

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