Adrenal disease

Adrenalectomy Reduces the Risk of Vertebral Fractures in Patients With Mild Autonomous Cortisol Secretion

J Clin Endocrinol MetabPublished Retrospective intervention study and prospective randomised study

Authors' conclusion

In patients with AI and MACS, adrenalectomy significantly reduces the risk of VFx.

Study context

Population
Patients with AI >1 cm and mild autonomous cortisol secretion (MACS) (cortisol after 1-mg dexamethasone suppression test ≥1.8 µg/dL [50 nmol/L])Study 1: 53
Participants
31 / 22 / 21 / 28
Comparison
Adrenalectomy vs conservative treatment
  • Study 1-Group An = 31
  • Study 1-Group Bn = 22reference
  • Study 2-Group An = 21
  • Study 2-Group Bn = 28reference
Methodological detailstwo studies: retrospective (Study 1) and prospective randomized (Study 2), Study 1 follow-up 35.2 ± 18.6 months; Study 2 follow-up 24 months
  • Two studies: retrospective (Study 1) and prospective randomized (Study 2)
  • Study 1 follow-up 35.2 ± 18.6 months; Study 2 follow-up 24 months

Primary result

As reported in the abstract

Incidence of VFx · end of follow-up

Study 1-Group B vs Study 1-Group A: P < 0.005 · Study 2-Group B vs Study 2-Group A: P = 0.04

Further findings

Bone mineral density (BMD) at lumbar spine (LS), femoral neck (FN) and total hip (TH) (Study 1) · baseline to end of follow-up

In both groups, BMD at LS, FN and TH comparable between baseline and end of follow-up

Calcium and phosphorus (Study 2) · 24 months

Calcium increased vs baseline in Study 2-Group A, not in Study 2-Group B
P = 0.03
Phosphorus increased vs baseline in Study 2-Group A, not in Study 2-Group B
P = 0.04

BMD (Study 2) · end of follow-up

BMD remained stable across both groups

Original publication

Adrenalectomy Reduces the Risk of Vertebral Fractures in Patients With Mild Autonomous Cortisol Secretion. J Clin Endocrinol Metab. Published 11 April 2025. doi:10.1210/clinem/dgaf227

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