NDLI: Treatment of hyperprolactinaemia reduces total cholesterol and LDL in patients with prolactinomas

Content Provider	Springer Nature Link
Author	Schwetz, Verena Librizzi, Rosaria Trummer, Christian Theiler, Georg Stiegler, Claudia Pieber, Thomas R. Obermayer Pietsch, Barbara Pilz, Stefan
Copyright Year	2016
Abstract	Previous studies suggest that hyperprolactinaemia might have adverse effects on lipid and glucose metabolism. We therefore aimed to evaluate whether dopamine agonist treatment with cabergoline has significant effects on blood lipids, fasting glucose and HbA1c levels in patients with micro- or macroprolactinoma. In this retrospective observational study the main outcome measures are changes in parameters of glucose and lipid metabolism compared at hyperprolactinaemia and after achievement of normoprolactinaemia by cabergoline treatment. We enrolled 53 study participants (22 females; median [interquartile range] age: 40.0 [27.5 to 50.0] years), 22 (41.5 %) with micro-, and 31 (58.5 %) with macroprolactinomas. After a median follow-up of 9 months, prolactin levels decreased from 220.6 (80.7–913.4) to 11.2 (3.5–18.7) ng/mL (p < 0.001). There was a significant decrease in median levels of low-density lipoprotein (LDL) from 121.6 (±39.4) to 110.6 mg/dl (±37.6, p = 0.005) and total cholesterol from 191 (168.5–241) to 181 mg/dl (162–217, p < 0.001), but no change in high-density lipoprotein (HDL), triglycerides, fasting glucose and HbA1c. We observed a significant increase in testosterone in men and in oestradiol in women. In linear regression analyses using the change in total cholesterol or LDL as dependent, and the change in prolactin, oestradiol, and testosterone as independent variables, no significant predictor of the change in total cholesterol or LDL was identified. In patients with prolactinomas, normalisation of elevated prolactin levels by cabergoline treatment was accompanied by significant reductions in LDL and total cholesterol. Further studies are warranted to confirm our findings and to evaluate the clinical implications of lipid levels in the monitoring and treatment of patients with prolactinomas.
Starting Page	155
Ending Page	161
Page Count	7
File Format	PDF
ISSN	08857490
Journal	Metabolic Brain Disease
Volume Number	32
Issue Number	1
e-ISSN	15737365
Language	English
Publisher	Springer US
Publisher Date	2016-08-15
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Hyperprolactinaemia Prolactinoma Lipid metabolism Total cholesterol LDL Neurosciences Neurology Metabolic Diseases Biochemistry Oncology
Content Type	Text
Resource Type	Article
Subject	Biochemistry Neurology (clinical) Cellular and Molecular Neuroscience

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