Evaluation of the age-specific relationship between PTH and vitamin D metabolites
A commonly used method for determining vitamin D sufficiency is the suppression of excess PTH secretion. Conventionally, the main circulating vitamin D metabolite 25(OH)D is used for this assessment, however, the cut-off data for this parameter vary widely in the literature. The role of other metabo...
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Veröffentlicht in: | Bone Reports 2024-09, Vol.22, p.101800, Article 101800 |
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Sprache: | eng |
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Zusammenfassung: | A commonly used method for determining vitamin D sufficiency is the suppression of excess PTH secretion. Conventionally, the main circulating vitamin D metabolite 25(OH)D is used for this assessment, however, the cut-off data for this parameter vary widely in the literature. The role of other metabolites as markers of vitamin D status is actively debated. The aim of our study was to assess the relationship between PTH, age and parameters characterizing vitamin D status, both “classical” – 25(OH)D3, and “non-classical” – 24,25(OH)2D3 and 25(OH)D3/24,25(OH)2D3 (vitamin D metabolite ratio, VMR). This prospective non-controlled cohort study included 162 apparently healthy Caucasian adult volunteers. When PTH was binarized according to the median value, at VMR 9.7 ng/mL and 24,25(OH)2D3 > 0.64 ng/mL there was a pronounced relationship between PTH and age (p = 0.001, p = 0.023 and p = 0.0134 respectively), with the prevalence of higher PTH levels in older individuals and vice versa. Moreover, at an age of |
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ISSN: | 2352-1872 2352-1872 |
DOI: | 10.1016/j.bonr.2024.101800 |