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A disorder in which there is a failure to regenerate the active glucocorticoid cortisol from cortisone via 11beta-HSD1. The resulting lack of cortisol regeneration stimulates ACTH-mediated adrenal hyperandrogenism, with males manifesting in childhood with precocious pseudopuberty and females presenting in adolescence and early adulthood with hirsutism, oligoamenorrhea, and infertility.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for cortisone reductase deficiency.
6 publications have been identified in PubMed for cortisone reductase deficiency. Research spans Basic Science / Preclinical (50%), Epidemiology / Natural History (33%), and Review / Meta-Analysis (17%).
Brossaud J (2026). [PMID: 41499274](https://pubmed.ncbi.nlm.nih.gov/41499274/). *Journal of neuroendocrinology*. [Basic Science / Preclinical]
Kawai H (2026). [PMID: 40990870](https://pubmed.ncbi.nlm.nih.gov/40990870/). *The International journal of eating disorders*. [Basic Science / Preclinical]
Xu QY (2026). [PMID: 42199346](https://pubmed.ncbi.nlm.nih.gov/42199346/). *Mil Med Res*. [Review / Meta-Analysis]
Dong W (2025). [PMID: 40030011](https://pubmed.ncbi.nlm.nih.gov/40030011/). *Proceedings of the National Academy of Sciences of the United States of America*. [Epidemiology / Natural History]
Charoenngam N (2025). [PMID: 41316338](https://pubmed.ncbi.nlm.nih.gov/41316338/). *Orphanet journal of rare diseases*. [Epidemiology / Natural History]
Data assembled from 3 of 12 sources · Last updated Oct 3, 2026, 8:11 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Hiltunen J (2024). [PMID: 39027480](https://pubmed.ncbi.nlm.nih.gov/39027480/). *Frontiers in endocrinology*. [Basic Science / Preclinical]