Cushing's Disease Clinical Trial
Official title:
Targeted Therapy With Gefitinib in Patients With USP8-mutated Cushing's Disease
The USP8 gene and its downstream target, epidermal growth factor receptor (EGFR), is a potential therapeutic target of Cushing disease. The EGFR inhibitor, Gefitinib, has been shown to reduce the production of ACTH both in vitro and in vivo, especially in USP8-mutated corticotrophin adenomas. The investigators hypothesize that Gefitinib will suppress pituitary corticotroph tumor ACTH production and normalize urinary free cortisol levels in patients with USP8-mutated Cushing's disease. Gefitinib is an FDA approved drug used to treat non-small cell lung cancer. However, in this study, the drug will be used to treat corticotrophin adenoma.
n/a
Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
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