Impact of primary medical or surgical therapy on prolactinoma patients’ BMI and metabolic profile over the long-term

Andereggen, Lukas; Frey, Janine; Andres, Robert H.; Luedi, Markus M.; Gralla, Jan; Schubert, Gerrit A.; Beck, Jürgen; Mariani, Luigi; Christ, Emanuel (2021). Impact of primary medical or surgical therapy on prolactinoma patients’ BMI and metabolic profile over the long-term. Journal of clinical & translational endocrinology, 24, p. 100258. Elsevier 10.1016/j.jcte.2021.100258

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Objectives: High prolactin levels have been associated with weight gain and impaired metabolic profiles. While treatment with dopamine agonists (DAs) has been shown to improve these parameters, there is a lack of surgical series on its comparative effect in prolactinoma patients.

Methods: In this retrospective, comparative study, consecutive patients with a prolactinoma were enrolled if treated with first-line transsphenoidal surgery (TSS) or with DAs. Patients with prolactinomas of Knosp grade >2 and those with a follow-up <24 months were excluded, as were patients with missing laboratory metabolic parameters at baseline and over the long-term. Effects of either treatment on BMI and the metabolic profile were analyzed, and independent risk factors for long-term obesity were calculated.

Results: Primary treatment was TSS for 12 patients (40%) and DAs for 18 patients (60%). At diagnosis, no significant differences between the two cohorts were observed with regard to adenoma size, Knosp grading, baseline prolactin (PRL) levels, prevalence of hypogonadism, or laboratory metabolic parameters. Mean follow-up was 51.9 months (range, 24-158). Over the long-term, both TSS and DAs led to the control of hyperprolactinemia (92% vs. 72%) and hypogonadism (78% vs. 83%) in the majority of patients. While a significant decrease in patients' BMI and fasting glucose were observed, changes in the lipid profile were marginal and independent of the treatment modality. At baseline, increased BMI-but not the primary treatment strategy-was an independent predictor of long-term obesity.

Conclusions: Over the long-term, patients' BMI and FG improve, but changes in the metabolic profile are marginal and independent of the primary treatment. It is presumable that not DAs per se, but rather the control of hyperprolactinemia plays a role in patients' metabolic profile alterations.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Intensive Care, Emergency Medicine and Anaesthesiology (DINA) > Clinic and Policlinic for Anaesthesiology and Pain Therapy
04 Faculty of Medicine > Department of Radiology, Neuroradiology and Nuclear Medicine (DRNN) > Institute of Diagnostic and Interventional Neuroradiology

UniBE Contributor:

Lüdi, Markus and Gralla, Jan

Subjects:

600 Technology > 610 Medicine & health

ISSN:

2214-6237

Publisher:

Elsevier

Language:

English

Submitter:

Jeannie Wurz

Date Deposited:

06 Jul 2021 11:46

Last Modified:

11 Jul 2021 03:12

Publisher DOI:

10.1016/j.jcte.2021.100258

PubMed ID:

34195008

BORIS DOI:

10.48350/157145

URI:

https://boris.unibe.ch/id/eprint/157145

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