Cushing’s Disease : Sustained remission in five cases induced by medical therapy with the dopamine agonist cabergoline

Omayma ElShafie, Anjum Osman, Fatima Aamer, Ali Al-Mamari, NJY Woodhouse

Abstract


We report five cases of Cushing’s disease where the patients were given a therapeutic trial of cabergoline. Morning serum cortisol, adrenocorticotrophic hormone (ACTH), and sleeping cortisol concentrations were significantly raised. Magnetic resonance imaging (MRI) scans revealed pituitary microadenomas in 3 patients but were normal in the others. Ectopic ACTH production was excluded in the 2 patients with normal MRI scans. All were given a therapeutic trial of cabergoline (1 mg daily). Four patients responded with a prompt fall in serum cortisol levels and  had a sustained clinical and biochemical remission for 378, 44, 28 and 14 days, respectively. One patient failed to respond. In conclusion, we suggest that all patients with Cushing’s disease should undergo a therapeutic trial of cabergoline. Responders can then be prepared for surgery or, if needed, treated medically in the long term. 



Keywords


Cushing’s disease; Adrenocorticotrophic hormone; Dopamine receptors; Cabergoline; Case report; Oman.

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Sultan Qaboos University Medical Journal, College of Medicine and Health Sciences, Sultan Qaboos University, PO Box 35, Postal Code 123, Al-Khod, Muscat, Oman

ISSN (Print edition): 2075-051X ISSN (Internet edition): 2075-0528

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