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Bone Marker and Bone Density Responses to Dopamine Agonist Therapy in Hyperprolactinemic Males

Di Somma, C.·1998·Journal of Clinical Endocrinology & Metabolism

Abstract

The aim of this prospective study was to evaluate the bone mineral density (BMD) at lumbar spine and femoral neck levels and biochemical parameters of bone turnover in 20 consecutive hyperprolactinemic males before and after an 18-month treatment with different dopamine agonists. Six patients received bromocriptine at a dose of 2.5-10 mg/day; 7 patients received quinagolide at a dose of 0.075-0.3 mg/day; 7 patients received cabergoline at a dose of 0.5-1.5 mg/week. BMD, serum PRL, testosterone, dihydrotestosterone, and osteocalcin (OC), and urinary cross-linked N-telopeptides of type I collagen (Ntx) levels were measured before and every 6 months during treatment. At study entry, BMD values were lower in patients than controls at both lumbar spine (0.82 +/- 0.03 vs. 1.18 +/- 0.01 g/cm2; P < 0.001) and femoral neck (0.85 +/- 0.02 vs. 0.92 +/- 0.02 g/cm2; P < 0.05) levels. Osteopenia or osteoporosis was diagnosed in 16 patients at the lumbar spine and in 6 of them at the femoral neck level. A significant inverse correlation was found between lumbar spine and femoral neck BMD values and both PRL levels and disease duration (P < 0.01). In the 20 patients, serum OC levels were significantly lower (2.1 +/- 0.1 vs. 9.3 +/- 2.4 microg/L; P < 0.01), whereas Ntx levels were significantly higher (157.8 +/- 1.1 vs. 96.4 +/- 7.4 nmol bone collagen equivalent/mmol creatinine; P < 0.001) than control values. A significant inverse correlation was found between serum PRL and OC (P < 0.01), bu…

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Crossref · 10.1210/jc.83.3.807

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Metadata

Authors
Di Somma, C.
Venue
Journal of Clinical Endocrinology & Metabolism
Published
1998-03-01
Volume
83
Issue
3
Pages
807-813
ISSN
0021-972X (ISSN-L)
OpenAlex
W2164331064
Cited by
117
References
29
Citations by year
2026: 2 · 2025: 2 · 2024: 6 · 2023: 1 · 2022: 7 · 2021: 8 · 2020: 3 · 2019: 3 · 2018: 5 · 2017: 5 · 2016: 2 · 2015: 2 · 2014: 4 · 2012: 6
FWCI
4.75
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Clinical Endocrinology & Metabolism (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Bone health and osteoporosis research
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Pituitary Gland Disorders and Treatments
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Growth Hormone and Insulin-like Growth Factors
Keywords
hyperprolactinemia, dopamine agonist therapy, bone mineral density, bone turnover markers, bromocriptine, quinagolide, cabergoline, osteopenia, osteoporosis, prolactin, osteocalcin, N-terminal telopeptide of type I collagen, testosterone, gonadal function, male patients, lumbar spine, femoral neck, disease duration
MeSH terms
Cabergoline, Adult, Aminoquinolines, Bone and Bones, Bone Diseases, Metabolic, Bromocriptine, Ergolines, Humans, Hyperprolactinemia, Male, Middle Aged, Prospective Studies, Biomarkers, Bone Density, Bone Remodeling, Dopamine Agonists

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CoChat. (2026). Citation check: Bone Marker and Bone Density Responses to Dopamine Agonist Therapy in Hyperprolactinemic Males. https://app.cochat.ai/papers/10.1210/jc.83.3.807
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Di Somma, C. (1998). Bone Marker and Bone Density Responses to Dopamine Agonist Therapy in Hyperprolactinemic Males. Journal of Clinical Endocrinology & Metabolism. https://doi.org/10.1210/jc.83.3.807

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.