Abstract
Summary
The relationship between androgen excess and bone health in patients with congenital adrenal hyperplasia (CAH) with 21-hydroxylase (21-OH) deficiency is not fully understood. This study demonstrated positive correlations between androgen hormones and bone mineral density (BMD) in CAH women with 21-OH deficiency.
Purpose
This study aims to assess BMD and its association with androgen excess in women with CAH.
Methods
We enrolled 92 women with CAH with 21-OH deficiency and retrospectively reviewed their clinical features, hormone concentrations, body composition, glucocorticoid (GC) dose, and BMD.
Results
BMD was not different according to the subtypes of CAH. BMD at the lumbar spine was lower in women with CAH with regular menstruation than those with irregular menstruation (1.081 vs. 1.165 g/cm2, P < 0.05). BMD was lower in women with CAH with 17-hydroxyprogesterone (17-OHP) < 10 ng/mL than in those with ≥ 10 ng/mL (lumbar spine, 1.019 vs. 1.150 g/cm2; femur neck, 0.806 vs. 0.899 g/cm2; total hip, 0.795 vs. 0.943 g/cm2; all P < 0.05). After adjusting for age and BMI in correlation analyses, testosterone concentrations were positively correlated with lumbar spine, femur neck, and total hip BMD (r = 0.46, r = 0.38, and r = 0.35, respectively; all P < 0.05), while 17-OHP was positively correlated with lumbar spine BMD (r = 0.38, P < 0.01). In subgroup analysis, 17-OHP was positively correlated with BMD (lumbar spine, r = 0.22; femur neck, r = 0.22; total hip, r = 0.24; all P < 0.05) only in the group with a total cumulative dose of GC ≥ 156.0 g/m2.
Conclusion
Androgen excess may have a protective effect on BMD in women with classic CAH and high cumulative doses of GC.
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Acknowledgements
We are grateful to Sei Won Yang, the emeritus professor of pediatrics at Seoul National University College of Medicine, and Seong Yeon Kim, the emeritus professor of internal medicine at Seoul National University College of Medicine.
Funding
This study was funded by a donation from one CAH patient.
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DHL, SHK, and JHK conceived and designed the analysis. DHL, SHK, HNJ, SGL, YAL, and JHK collected the data. All authors contributed to data analysis and interpretation. DHL and JHK drafted the manuscript, and all authors provided critical revisions. All authors gave final approval of the version of the manuscript submitted for publication.
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This study was performed in accordance with the principles of the Declaration of Helsinki. The Seoul National University Hospital Institutional Review Board (H-2004–147-1118) approved this study.
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This study waived the requirement for informed consent.
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The authors declare no competing interests.
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Lee, D.H., Kong, S.H., Jang, H.N. et al. Association of androgen excess and bone mineral density in women with classical congenital adrenal hyperplasia with 21-hydroxylase deficiency. Arch Osteoporos 17, 45 (2022). https://doi.org/10.1007/s11657-022-01090-0
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DOI: https://doi.org/10.1007/s11657-022-01090-0