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Limited value of cabergoline in Cushings disease: a prospective study of a 6-week treatment in 20 patients
Lund University, Sweden.
Uppsala University, Sweden.
Linköping University, Department of Medical and Health Sciences. Region Östergötland, Heart and Medicine Center, Department of Endocrinology. Linköping University, Faculty of Medicine and Health Sciences.
Uppsala University, Sweden.
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2016 (English)In: European Journal of Endocrinology, ISSN 0804-4643, E-ISSN 1479-683X, Vol. 174, no 1, 17-24 p.Article in journal (Refereed) PublishedText
Abstract [en]

Context and objective: The role of cabergoline in Cushings disease (CD) remains controversial. The experience is limited to case reports and few open studies that report the effects determined after >= 1 month of treatment. In prolactinomas and dopamine-responsive GH-secreting tumours, effects of cabergoline are seen within days or weeks. Here, we searched for short-term effects of cabergoline in CD. Design: Twenty patients (19 naive and one recurrent) were included in a prospective study. Cabergoline was administered in increasing doses of 0.5-5 mg/week over 6 weeks. Methods: Urinary free cortisol (UFC) 24 h, morning cortisol and ACTH, and salivary cortisol at 0800, 1600 and 2300 h were determined once weekly throughout. Diurnal curves (six samples) of serum cortisol were measured at start and end. Results: At study end, the median cabergoline dose was 5 mg, range 2.5-5 mg/week. The prolactin levels, markers of compliance, were suppressed in all patients. During the treatment, hypercortisolism varied, gradual and dose-dependent reductions were not seen. Five patients had a >50% decrease of UFC, three had a >50% rise of UFC. Salivary cortisol at 2300 h showed a congruent >50% change with UFC in two of the five cases with decreased UFC, and in one of the three cases with increased UFC. One patient with decreases in both UFC and 2300 h salivary cortisol also had a reduction in diurnal serum cortisol during the course of the study. Conclusions: Cabergoline seems to be of little value in the management of CD. Only one patient had a response-like pattern. Given the known variability of disease activity in CD, this might represent a chance finding.

Place, publisher, year, edition, pages
BIOSCIENTIFICA LTD , 2016. Vol. 174, no 1, 17-24 p.
National Category
Clinical Medicine
Identifiers
URN: urn:nbn:se:liu:diva-124115DOI: 10.1530/EJE-15-0807ISI: 000366401700007PubMedID: 26582653OAI: oai:DiVA.org:liu-124115DiVA: diva2:896891
Note

Funding Agencies|Swedish Association of Local Authorities and Regions to the Swedish Pituitary Study Group; University of Lund; Linkoping; Uppsala

Available from: 2016-01-22 Created: 2016-01-19 Last updated: 2016-01-22

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Ekman, BertilWahlberg Topp, Jeanette
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Department of Medical and Health SciencesDepartment of EndocrinologyFaculty of Medicine and Health Sciences
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European Journal of Endocrinology
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