Are current cut-off values of 11-DOC in children useful for assessing suspected nonclassical congenital adrenal hyperplasia due to 11β-hydroxylase deficiency?

Galia Barash, Lior Drach, Larisa Naugolni, Tamar Yacoel, Tzvi Bistritzer, Marianna Rachmiel

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: A nonclassic form of 11β-hydroxylase deficiency (NC11β-OHD) has been reported to cause mild androgen excess symptoms. Currently, the gold standard for biochemical diagnosis is elevated 11-deoxycortisol (11-DOC) levels after corticotropin stimulation test (ACTHstimT). However, there are no clear 11-DOC level cutoffs. One of the accepted references for 11-DOC levels for the paediatric population was published in 1991 by Lashansky et al. Aim: To determine the correlation between 11-DOC levels measured during ACTHstimT and clinical symptoms attributed to NC11β-OHD. Design: A retrospective study including all paediatric patients who underwent ACTHstimT at Shamir Medical Center between 2007 and 2015. Clinical data were collected from the patients’ medical files. Outcome measures included the number of patients with hyperandrogenism signs and predefined elevated 11-DOC cut-off levels according to Lashansky for sex and age, and according to commercial kit cut-offs. Results: Data were complete at presentation for 136 patients. Long-term clinical data were documented for 98 patients, mean follow-up duration of 3.1 years (1.37–5.09). There was no statistically significant difference in the number of cases with elevated 11-DOC according to both cut-offs and early puberty, premature adrenarche nor acne. Follow-up data demonstrated no statistically significant difference in the number of cases with elevated 11-DOC levels among patients with compromised final adult height, polycystic ovarian syndrome or hyperandrogenism. Conclusions: Basal and corticotropin stimulated 11-DOC levels were not significantly elevated above the 1.5 times cut-offs according to paediatric-specific norms or the commercial assay in paediatric individuals with possible clinical suspicion of NC11β-OHD.

Original languageEnglish
Pages (from-to)302-310
Number of pages9
JournalClinical Endocrinology
Volume96
Issue number3
DOIs
StatePublished - Mar 2022

Keywords

  • 11-deoxycortisol
  • 11β hydroxylase deficiency
  • congenital adrenal hyperplasia
  • hyperandrogenism

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