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Any Cushing syndrome caused by body's prolonged overproduction of cortisol that can be dependent on or independent of adrenocorticotropic hormone (ACTH).
Biomarker and diagnostic research for endogenous Cushing syndrome has been reported in the published literature.
No approved treatments are currently available for endogenous Cushing syndrome. An additional 3 compounds hold orphan drug designation.
While no drugs are FDA-approved specifically for endogenous Cushing syndrome, some of the following designated compounds may be used off-label in clinical practice. Treatment decisions should be made in consultation with a specialist familiar with this condition.
The following drugs have received orphan drug designation from the FDA for endogenous Cushing syndrome. Orphan designation reflects regulatory interest and does not indicate approval for treatment.
Brand Name | Generic Name | Sponsor |
|---|
2 clinical trials registered, 1 recruiting. Interventions under study include drug therapy. Pipeline includes 1 PHASE2. Research is sponsored by a mix of industry and academic institutions.
54 publications have been identified in PubMed for endogenous Cushing syndrome. Research spans Epidemiology / Natural History (30%), Case Report / Case Series (19%), and Diagnostic / Biomarker (15%).
Research Type | Count | % of Total |
|---|---|---|
Disease patterns and progression | 16 |
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 5:49 AM UTC
European rare disease database
Designated
Exclusivity End |
|---|
Designation Status |
|---|
Isturisa | osilodrostat | Recordati Rare Diseases Inc. | 2024 | — | Designated (drug approved for other indication) |
relacorilant | relacorilant | Corcept Therapeutics, Inc. | 2018 | — | Designated |
Recorlev | levoketoconazole | Strongbridge Dublin Limited | 2012 | 2028 | Designated (drug approved for other indication) |
Isturisa is referenced in active clinical trials for endogenous Cushing syndrome (designated 2024).
relacorilant is referenced in active clinical trials for endogenous Cushing syndrome (designated 2018).
2 trials found
Patient case studies | 10 | 19% |
Testing and diagnosis research | 8 | 15% |
Clinical study results | 8 | 15% |
Research summaries | 7 | 13% |
Laboratory research | 5 | 9% |
Rafi S (2026). [PMID: 42152967](https://pubmed.ncbi.nlm.nih.gov/42152967/). *Cureus*. [Case Report / Case Series]
Zhang Z (2026). [PMID: 41639350](https://pubmed.ncbi.nlm.nih.gov/41639350/). *Hypertension research : official journal of the Japanese Society of Hypertension*. [Epidemiology / Natural History]
Chasan O (2026). [PMID: 42109748](https://pubmed.ncbi.nlm.nih.gov/42109748/). *Front Endocrinol (Lausanne)*. [Diagnostic / Biomarker]
Ortiz-Flores AE (2026). [PMID: 42236016](https://pubmed.ncbi.nlm.nih.gov/42236016/). *Vitam Horm*. [Diagnostic / Biomarker]
Ucgul E (2026). [PMID: 42109743](https://pubmed.ncbi.nlm.nih.gov/42109743/). *Front Endocrinol (Lausanne)*. [Epidemiology / Natural History]
Hamidi O (2026). [PMID: 41830485](https://pubmed.ncbi.nlm.nih.gov/41830485/). *The Journal of clinical endocrinology and metabolism*. [Epidemiology / Natural History]
Garcia Pereira AJ (2026). [PMID: 41106685](https://pubmed.ncbi.nlm.nih.gov/41106685/). *Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists*. [Case Report / Case Series]
Dotan I (2026). [PMID: 42233686](https://pubmed.ncbi.nlm.nih.gov/42233686/). *J Clin Endocrinol Metab*. [Epidemiology / Natural History]
Behary P (2026). [PMID: 41423826](https://pubmed.ncbi.nlm.nih.gov/41423826/). *Clinical endocrinology*. [Case Report / Case Series]
Haider A (2026). [PMID: 42220601](https://pubmed.ncbi.nlm.nih.gov/42220601/). *JCEM Case Rep*. [Case Report / Case Series]
AI-curated news mentioning endogenous Cushing syndrome
Updated Feb 23, 2026
A recent study highlights the need for improved healthcare provision for rare endocrinological diseases in Germany, specifically focusing on endogenous Cushing's syndrome. The findings suggest significant gaps in current treatment and management strategies.