Association of androgen excess and bone mineral density in women with classical congenital adrenal hyperplasia with 21-hydroxylase deficiency

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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.

Original languageEnglish
Article number45
JournalArchives of Osteoporosis
Volume17
Issue number1
DOIs
StatePublished - Dec 2022

Keywords

  • 21-Hydroxylase
  • Adrenal hyperplasia, Congenital
  • Androgen
  • Bone mineral density
  • GCs

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