Cited by 67Sexual Differentiation and DisordersAdrenal Hormones and DisordersOvarian function and disorders

Prenatal treatment of congenital adrenal hyperplasia

Lajic, S, Nordenstrom, A, Ritzen, EM, Wedell, A·2004·European Journal of Endocrinology

Abstract

In foetuses at risk of virilising congenital adrenal hyperplasia (CAH), prenatal treatment can be offered by administration of dexamethasone (DEX) via the mother, in order to suppress foetal adrenal androgen oversecretion and prevent genital malformations. The first treated cases were described 20 years ago, and several hundred pregnancies have been reported since. There is a consensus that the treatment effectively prevents or reduces virilisation, but opinions regarding its safety differ. Rare adverse events have been reported in treated children, but no harmful effect has been documented that can be clearly attributed to the treatment. However, few treated foetuses have been followed until adolescence. Animal studies and epidemiological data point to various adverse effects of excess glucocorticoids on the developing foetus. In order to prevent virilisation effectively in females affected with CAH, the prenatal treatment needs to be instituted in the early first trimester, before prenatal diagnosis is possible. Thus, a majority of treated foetuses will receive DEX unnecessarily. The PREDEX study was initiated in Stockholm in 1999 as an open, controlled, non-randomised, multicentre trial. Participating centres are Stockholm, Bergen, Kuopio, Warsaw, London, Lyon and Barcelona. The study has been approved by the ethics committees in each country. The purpose of PREDEX is to evaluate prospectively the prenatal treatment regarding efficacy in preventing virilisation as well as to study its safety for both mothers and treated children. Children are followed until 18 years of age and a wide range of physiological, metabolic and developmental parameters are considered. In Sweden, treatment is not offered outside the frames of the trial.

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Crossref · 10.1530/eje.0.151u063

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Authors
Lajic, S., Nordenstrom, A., Ritzen, E., & Wedell, A.
Affiliations
Karolinska Institutet (SE)
Corresponding author
Wedell, A
Venue
European Journal of Endocrinology
Published
2004-11-01
Volume
151 Suppl 3
Pages
U63-U69
ISSN
  • 0804-4643 (ISSN-L)
  • 1479-683X
OpenAlex
W2161037320
Cited by
67
References
28
Citations by year
2026: 1 · 2025: 1 · 2024: 1 · 2023: 3 · 2022: 2 · 2021: 2 · 2020: 1 · 2019: 2 · 2017: 2 · 2016: 3 · 2015: 3 · 2014: 1 · 2013: 4 · 2012: 3
FWCI
2.25
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Endocrinology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Sexual Differentiation and Disorders
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adrenal Hormones and Disorders
  • Health Sciences › Medicine › Reproductive Medicine › Ovarian function and disorders
Keywords
congenital adrenal hyperplasia, fetal therapy, dexamethasone, genital malformations, treatment safety
MeSH terms
Adrenal Hyperplasia, Congenital, Clinical Trials as Topic, Dexamethasone, Female, Follow-Up Studies, Humans, Maternal-Fetal Exchange, Pregnancy, Virilism

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