Adrenal disease

Adult Height Following Prepubertal Treatment With Antiandrogen, Aromatase Inhibitor, and Reduced Hydrocortisone in Congenital Adrenal Hyperplasia (CAH)

J Clin Endocrinol MetabPublished Randomised controlled trial

An erratum to this article was published (J Clin Endocrinol Metab, 17 Jun 2025 ↗)

Primary result · Adult height SDSResult — go to the resultMean difference 0.26 95% CI −0.29 to 0.82

Authors' conclusion

Prepubertal antiandrogen, aromatase inhibitor combination with reduced hydrocortisone improves short-term predicted height for children with CAH but does not result in taller adult stature than those treated with standard therapy, and is not recommended. Females may benefit from antiandrogen treatment during puberty.

Study context

Population
Children with classic CAH, prepubertal45 completed
Participants
62 children
Comparison
Prepubertal antiandrogen, aromatase inhibitor, reduced hydrocortisone and fludrocortisone vs standard therapy
Primary endpoint
Adult height
Methodological detailsopen
  • Open

Primary result

Adult height SDS

Mean difference

0.26

95% CI −0.29 to 0.82

P = 0.35

By group

Investigational

−0.34

0.93

Control

−0.60

0.89

Investigationalvs Control
mean difference 0.26 (95% CI −0.29 to 0.82); P = 0.35

As reported in the abstract

No difference irrespective of midparental height; adult height greater than pretreatment predicted adult height in both groups
P < 0.001

Further findings

Hydrocortisone dose prior to puberty · prepubertal

P < 0.001

cm

OutcomeInvestigationalControlMean difference (cm) (95% CI)P value
Girls, antiandrogen during puberty: adult minus midparental height−0.7 (4.6)−5.6 (5.2)4.9 (0.09–9.7)P = 0.046
Improvement in predicted adult height at pubertal onset · appeared greater with investigational
P = 0.049

Hydrocortisone dose prior to puberty · prepubertal

Growth rate and rate of bone maturation reduced with investigational regimen prior to puberty

Girls, antiandrogen during puberty: adult minus midparental height

Antiandrogen in girls during puberty allowed lower-dose glucocorticoid

GnRHa recipients, regardless of treatment

Lower growth rate
P = 0.023
Longer years of unchanged bone age
P = 0.017

Original publication

Adult Height Following Prepubertal Treatment With Antiandrogen, Aromatase Inhibitor, and Reduced Hydrocortisone in CAH. J Clin Endocrinol Metab. Published 3 December 2024. doi:10.1210/clinem/dgae824

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