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Chiloiro S, Costanza F, Riccardi E, Giampietro A, De Marinis L, Bianchi A, Pontecorvi A, Giustina A. Vitamin D in pituitary driven osteopathies. Pituitary 2024:10.1007/s11102-024-01439-3. [PMID: 39180644 DOI: 10.1007/s11102-024-01439-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/30/2024] [Indexed: 08/26/2024]
Abstract
The evidence that pituitary hormones may bypass peripheral endocrine glands to exert remarkable effects on the skeleton is gaining ground. Both hormonal excess and deficit may determine impairment in bone structure, and they commonly result in bone loss in patients affected by pituitary and neuroendocrine disorders. Vertebral fractures are the most common skeletal alterations and may occur independently of bone mass. Use of vitamin D (VD) supplementation is still debated in this setting. This review will focus on the interactions between different metabolites of VD and pituitary hormones, and the effects of VD supplementation on bone metabolism in patients with pituitary diseases.
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Affiliation(s)
- Sabrina Chiloiro
- Dipartimento di Medicina e Chirurgia traslazionale, Università Cattolica del Sacro Cuore, Largo A. Gemelli, number 8, Rome, Italy.
- Pituitary Unit, Department of Endocrinology and Diabetes, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy.
| | - Flavia Costanza
- Dipartimento di Medicina e Chirurgia traslazionale, Università Cattolica del Sacro Cuore, Largo A. Gemelli, number 8, Rome, Italy
- Pituitary Unit, Department of Endocrinology and Diabetes, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
| | - Elena Riccardi
- Dipartimento di Medicina e Chirurgia traslazionale, Università Cattolica del Sacro Cuore, Largo A. Gemelli, number 8, Rome, Italy
- Pituitary Unit, Department of Endocrinology and Diabetes, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
| | - Antonella Giampietro
- Dipartimento di Medicina e Chirurgia traslazionale, Università Cattolica del Sacro Cuore, Largo A. Gemelli, number 8, Rome, Italy
- Pituitary Unit, Department of Endocrinology and Diabetes, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
| | - Laura De Marinis
- Dipartimento di Medicina e Chirurgia traslazionale, Università Cattolica del Sacro Cuore, Largo A. Gemelli, number 8, Rome, Italy
- Pituitary Unit, Department of Endocrinology and Diabetes, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
| | - Antonio Bianchi
- Dipartimento di Medicina e Chirurgia traslazionale, Università Cattolica del Sacro Cuore, Largo A. Gemelli, number 8, Rome, Italy
- Pituitary Unit, Department of Endocrinology and Diabetes, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
| | - Alfredo Pontecorvi
- Dipartimento di Medicina e Chirurgia traslazionale, Università Cattolica del Sacro Cuore, Largo A. Gemelli, number 8, Rome, Italy
- Pituitary Unit, Department of Endocrinology and Diabetes, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
| | - Andrea Giustina
- Institute of Endocrine and Metabolic Sciences, San Raffaele Vita-Salute University and IRCCS San Raffaele Hospital, Milan, Italy
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Guarnotta V, Di Gaudio F, Giordano C. Vitamin D Deficiency in Cushing's Disease: Before and After Its Supplementation. Nutrients 2022; 14:nu14050973. [PMID: 35267948 PMCID: PMC8912655 DOI: 10.3390/nu14050973] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/17/2022] [Accepted: 02/23/2022] [Indexed: 11/27/2022] Open
Abstract
Background: The primary objective of the study was to assess serum 25-hydroxyvitamin D [25(OH)D] values in patients with Cushing’s disease (CD), compared to controls. The secondary objective was to assess the response to a load of 150,000 U of cholecalciferol. Methods: In 50 patients with active CD and 48 controls, we evaluated the anthropometric and biochemical parameters, including insulin sensitivity estimation by the homeostatic model of insulin resistance, Matsuda Index and oral disposition index at baseline and in patients with CD also after 6 weeks of cholecalciferol supplementation. Results: At baseline, patients with CD showed a higher frequency of hypovitaminosis deficiency (p = 0.001) and lower serum 25(OH)D (p < 0.001) than the controls. Six weeks after cholecalciferol treatment, patients with CD had increased serum calcium (p = 0.017), 25(OH)D (p < 0.001), ISI-Matsuda (p = 0.035), oral disposition index (p = 0.045) and decreased serum PTH (p = 0.004) and total cholesterol (p = 0.017) values than at baseline. Multivariate analysis showed that mean urinary free cortisol (mUFC) was independently negatively correlated with serum 25(OH)D in CD. Conclusions: Serum 25(OH)D levels are lower in patients with CD compared to the controls. Vitamin D deficiency is correlated with mUFC and values of mUFC > 240 nmol/24 h are associated with hypovitaminosis D. Cholecalciferol supplementation had a positive impact on insulin sensitivity and lipids.
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Affiliation(s)
- Valentina Guarnotta
- Department of Health Promotion, Maternal-Infantile Care, Excellence Internal and Specialist Medicine “G. D’Alessandro” [PROMISE], Section of Endocrine Disease and Nutrition, University of Palermo, 90127 Palermo, Italy;
| | - Francesca Di Gaudio
- Biochemistry Head CQRC Division (Quality Control and Biochemical Risk), Department of Health Promotion, Maternal-Infantile Care, Excellence Internal and Specialist Medicine “G. D’Alessandro” [PROMISE], University of Palermo, 90127 Palermo, Italy;
| | - Carla Giordano
- Department of Health Promotion, Maternal-Infantile Care, Excellence Internal and Specialist Medicine “G. D’Alessandro” [PROMISE], Section of Endocrine Disease and Nutrition, University of Palermo, 90127 Palermo, Italy;
- Correspondence: ; Tel.: +39-0916552110; Fax: +39-0916552123
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Povaliaeva A, Bogdanov V, Pigarova E, Zhukov A, Dzeranova L, Belaya Z, Rozhinskaya L, Mel’nichenko G, Mokrysheva N. Assessment of Vitamin D Metabolism in Patients with Cushing's Disease in Response to 150,000 IU Cholecalciferol Treatment. Nutrients 2021; 13:nu13124329. [PMID: 34959880 PMCID: PMC8704048 DOI: 10.3390/nu13124329] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 11/26/2021] [Accepted: 11/27/2021] [Indexed: 12/12/2022] Open
Abstract
In this study we aimed to assess vitamin D metabolism in patients with Cushing’s disease (CD) compared to healthy individuals in the setting of bolus cholecalciferol treatment. The study group included 30 adults with active CD and the control group included 30 apparently healthy adults with similar age, sex and BMI. All participants received a single dose (150,000 IU) of cholecalciferol aqueous solution orally. Laboratory assessments including serum vitamin D metabolites (25(OH)D3, 25(OH)D2, 1,25(OH)2D3, 3-epi-25(OH)D3 and 24,25(OH)2D3), free 25(OH)D, vitamin D-binding protein (DBP) and parathyroid hormone (PTH) as well as serum and urine biochemical parameters were performed before the intake and on Days 1, 3 and 7 after the administration. All data were analyzed with non-parametric statistics. Patients with CD had similar to healthy controls 25(OH)D3 levels (p > 0.05) and higher 25(OH)D3/24,25(OH)2D3 ratios (p < 0.05) throughout the study. They also had lower baseline free 25(OH)D levels (p < 0.05) despite similar DBP levels (p > 0.05) and lower albumin levels (p < 0.05); 24-h urinary free cortisol showed significant correlation with baseline 25(OH)D3/24,25(OH)2D3 ratio (r = 0.36, p < 0.05). The increase in 25(OH)D3 after cholecalciferol intake was similar in obese and non-obese states and lacked correlation with BMI (p > 0.05) among patients with CD, as opposed to the control group. Overall, patients with CD have a consistently higher 25(OH)D3/24,25(OH)2D3 ratio, which is indicative of a decrease in 24-hydroxylase activity. This altered activity of the principal vitamin D catabolism might influence the effectiveness of cholecalciferol treatment. The observed difference in baseline free 25(OH)D levels is not entirely clear and requires further study.
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Corsini A, Dondi F, Serio DG, Zamagni S, Golinelli S, Fernandez M, Fracassi F. Calcium and phosphate homeostasis in dogs with newly diagnosed naturally occurring hypercortisolism. J Vet Intern Med 2021; 35:1265-1273. [PMID: 33991143 PMCID: PMC8163130 DOI: 10.1111/jvim.16143] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 04/16/2021] [Accepted: 04/16/2021] [Indexed: 01/10/2023] Open
Abstract
Background Hypercortisolism affects calcium and phosphate metabolism in dogs; however, the exact mechanisms are not completely understood. Objectives To evaluate circulating concentrations of whole parathormone (wPTH), 25‐hydroxyvitamin D (25‐(OH)D), calcitriol, and fibroblast growth factor‐23 (FGF‐23) in dogs with naturally occurring hypercortisolism (NOHC) and healthy dogs, and their association with calcium and phosphate homeostasis. Animals Twenty‐three client‐owned dogs with NOHC, and 12 client or staff‐owned healthy dogs. Methods Prospective cross‐sectional study. The circulating concentrations of total calcium, ionized calcium (iCa), phosphate, wPTH, 25‐(OH)D, calcitriol and FGF‐23, and the urinary fractional excretion of phosphate (FEP) and calcium (FECa) were compared between dogs with NOHC before treatment and healthy dogs. Results Dogs with NOHC had higher mean serum phosphate concentrations (4.81 mg/dL, SD ± 0.71 vs 3.86 mg/dL, SD ± 0.60; P < .001), median FECa (0.43%, range, 0.03‐2.44 vs 0.15%, range, 0.06‐0.35; P = .005), and median serum wPTH concentrations (54.6 pg/mL, range, 23.7‐490 vs 24.6 pg/mL, range, 5.5‐56.4; P = .003) as compared to the controls. Circulating concentrations of total calcium, iCa, and calcitriol and the FEP did not differ between groups, whereas the serum 25‐(OH)D concentrations were lower in dogs with NOHC as compared to the controls (70.2 pg/mL, SD ± 42.3 vs 106.3 pg/mL, SD ± 35.3; P = .02). The dogs with NOHC had lower plasma FGF‐23 concentrations than controls (316.6 pg/mL, range, 120.8‐575.6 vs 448.7 pg/mL, range, 244.8‐753; P = .03). Conclusions and Clinical Importance Urine loss of calcium and hyperphosphatemia could contribute to the adrenal secondary hyperparathyroidism.
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Affiliation(s)
- Andrea Corsini
- Department of Veterinary Medical Sciences, Alma Mater Studiorum-University of Bologna, Ozzano Emilia, Italy.,Department of Veterinary Medical Sciences, University of Parma, Parma, Italy
| | - Francesco Dondi
- Department of Veterinary Medical Sciences, Alma Mater Studiorum-University of Bologna, Ozzano Emilia, Italy
| | - Daria G Serio
- Department of Veterinary Medical Sciences, Alma Mater Studiorum-University of Bologna, Ozzano Emilia, Italy
| | - Silvia Zamagni
- Department of Veterinary Medical Sciences, Alma Mater Studiorum-University of Bologna, Ozzano Emilia, Italy
| | - Stefania Golinelli
- Department of Veterinary Medical Sciences, Alma Mater Studiorum-University of Bologna, Ozzano Emilia, Italy
| | - Mercedes Fernandez
- Department of Veterinary Medical Sciences, Alma Mater Studiorum-University of Bologna, Ozzano Emilia, Italy
| | - Federico Fracassi
- Department of Veterinary Medical Sciences, Alma Mater Studiorum-University of Bologna, Ozzano Emilia, Italy
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Povaliaeva AA, Pigarova EA, Dzeranova LK, Rozhinskaya LY, Mel'nichenko GA. [Vitamin D metabolism in hypercorticism and acromegaly]. ACTA ACUST UNITED AC 2020; 65:444-450. [PMID: 33351327 DOI: 10.14341/probl12099] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Accepted: 01/22/2020] [Indexed: 11/06/2022]
Abstract
Due to the high prevalence of low vitamin D levels in the overwhelming majority of regions of the world and discovery of extra-skeletal effects of vitamin D, the issue of maintaining adequate levels of vitamin D in the blood remains extremely relevant, especially in people with high risk of severe deficiency. To date, few studies have been performed on the features of vitamin D metabolism in disorders such as hypercorticism and acromegaly. However, vitamin D deficiency in such patients, according to available literature, may be more widespread and more pronounced than in general population. It is now recommended to use standard prophylactic and therapeutic doses of vitamin D for the treatment of these diseases, which may not satisfy the therapeutic goals specific to each disease. This review provides information on normal vitamin D metabolism, as well as literature data on the possible relationship and mutual influence between these endocrinopathies and vitamin D metabolism.
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Mooney CT, Shiel RE, Sekiya M, Dunning M, Gunn E. A Preliminary Study of the Effect of Hyperadrenocorticism on Calcium and Phosphate Concentrations, Parathyroid Hormone and Markers of Bone Turnover in Dogs. Front Vet Sci 2020; 7:311. [PMID: 32582784 PMCID: PMC7294964 DOI: 10.3389/fvets.2020.00311] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 05/06/2020] [Indexed: 01/24/2023] Open
Abstract
Reports on the effects of hyperadrenocorticism (HAC) on bone turnover in dogs are largely confined to radiographic studies. The aim of this study was to more accurately assess bone turnover in dogs with HAC by measuring circulating total and ionized calcium and phosphate concentrations, both intact and whole parathyroid hormone (PTH) concentrations and markers of both osteoblastic (osteocalcin) and osteoclastic [carboxyterminal cross-linked telopeptide of type 1 collagen (ICTP) and urine aminoterminal telopeptide of type 1 collagen (NTX) activity]. Dogs with HAC and a control group were prospectively enrolled for comparison. Results from 49 dogs with HAC were compared with 39 dogs from a hospital control population. Plasma intact and whole PTH concentrations were determined using a human immunoradiometric assay. Serum osteocalcin and NTX concentrations were measured using human enzyme linked immunosorbent assays. Serum ICTP concentration was measured using a human radioimmunoassay. Total calcium concentrations in dogs with HAC (2.67 ± 0.25 mmol/L) were not significantly different than in the control group (2.67 ± 0.14 mmol/L). By contrast, phosphate concentrations were significantly (P = 0.0143) higher in dogs with HAC (1.46 ± 0.30 mmol/L) compared to the control group (1.28 ± 0.33 mmol/L). The median intact PTH concentration in HAC dogs was 9.25 (range, 1.34–95.45) pmol/L, which was significantly (P < 0.0001) higher than in the control group [median, 3.88 (range, 2.01–10.31) pmol/L]. Whole PTH concentrations were also significantly (P < 0.0001) higher in the HAC group [median, 4.61 (range, 0.56–125.16) pmol/L] compared to the control group [median, 1.83 (range, 0.88–6.81) pmol/L]. Serum osteocalcin and urine NTX concentrations were not significantly different between the two groups of dogs. The median ICTP concentration in dogs with HAC was 2.98 (range, 1.15–6.62) ng/mL which was significantly (P < 0.0001) lower than in the control dogs [median, 7.30 (range, 3.68–21.25) ng/mL]. Both whole and intact PTH concentrations are increased in dogs with HAC compared to a hospital control population. This does not however appear to be associated with a decrease in bone formation (as assessed by osteocalcin) or an increase in bone resorption (as assessed by ICTP and urine NTX).
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Affiliation(s)
- Carmel T Mooney
- Small Animal Clinical Studies, School of Veterinary Medicine, University College Dublin, Dublin, Ireland
| | - Robert E Shiel
- Small Animal Clinical Studies, School of Veterinary Medicine, University College Dublin, Dublin, Ireland
| | - Mary Sekiya
- Veterinary Pathobiology, School of Veterinary Medicine, University College Dublin, Dublin, Ireland
| | - Mark Dunning
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington Campus, Sutton Bonington, United Kingdom
| | - Eilidh Gunn
- Small Animal Clinical Studies, School of Veterinary Medicine, University College Dublin, Dublin, Ireland
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Fracassi F, Malerba E, Furlanello T, Caldin M. Urinary excretion of calcium and phosphate in dogs with pituitary-dependent hypercortisolism: case control study in 499 dogs. Vet Rec 2015; 177:625. [PMID: 26626505 DOI: 10.1136/vr.103436] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/11/2015] [Indexed: 11/04/2022]
Abstract
Pituitary-dependent hypercortisolism (PDH) in dogs is frequently associated with high serum phosphate and parathormone concentrations which are in turn associated with prognosis and clinical presentation. The pathogenesis of such abnormalities remains unknown. The aim of the present study was to evaluate the serum and urinary concentrations and the urinary fractional excretion of phosphate and calcium in dogs with PDH. Medical records of newly diagnosed PDH dogs before treatment from one referral centre were retrospectively evaluated. One clinically normal and one sick dog for each dog with PDH were included as controls. One hundred and sixty-seven dogs with PDH were included. The serum phosphate concentration in PDH dogs was significantly (P<0.0001) higher compared with clinically normal control dogs (CNDs) and sick control dogs (SCDs). The serum calcium concentration in PDH dogs was significantly higher compared with SCDs but not different compared with CNDs. Urinary fractional excretion of phosphate in PDH dogs was significantly lower compared with CNDs and SCDs. Urinary fractional excretion of calcium in PDH dogs was significantly higher compared with CNDs and SCDs. In conclusion, PDH dogs have lower phosphaturia and higher calciuria compared with control dogs. These findings suggest that, at least in part, high serum phosphate concentrations are related to the renal retention of phosphate.
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Affiliation(s)
- F Fracassi
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dell'Emilia, Italy
| | - E Malerba
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dell'Emilia, Italy
| | - T Furlanello
- Laboratorio Veterinario San Marco, Padova, Italy
| | - M Caldin
- Clinica Veterinaria San Marco, Padova, Italy
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Fracassi F, Corradini S, Floriano D, Boari A, Aste G, Pietra M, Bergamini PF, Dondi F. Prognostic factors for survival in dogs with pituitary-dependent hypercortisolism treated with trilostane. Vet Rec 2014; 176:49. [PMID: 25170036 DOI: 10.1136/vr.102546] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Pituitary-dependent hypercortisolism (PDH) is one of the most frequent endocrinopathies in dogs, but prognostic factors are largely unknown. The aim of this retrospective case series study was to determine the prognostic value of different clinical and clinicopathological variables evaluated in dogs newly diagnosed with PDH that were subsequently treated with trilostane. Medical records from one referral centre were evaluated. Eighty-five dogs with PDH were included. The median survival time was 852 days (range 2-3210 days); 60/85 (70 per cent) and 25/85 (29 per cent) dogs survived more than one and three years, respectively. In multivariable model analysis the length of survival of older dogs (HR 1.24, 95% CI 1.09 to 1.40) and dogs with higher serum phosphate concentrations (HR 1.35, 95% CI 1.01 to 1.81) was shorter. Serum phosphate concentrations were above the reference range in 37/85 (44 per cent) of animals. Clinical signs, liver enzymes, serum cortisol concentrations of the endocrine tests, proteinuria, systolic hypertension, the presence of concomitant disorders, and the frequency of trilostane administration were not associated with survival time. Hyperphosphataemia is a common finding in dogs with newly diagnosed PDH and represents a negative prognostic factor.
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Affiliation(s)
- F Fracassi
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dellEmilia, Italy
| | - S Corradini
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dellEmilia, Italy
| | - D Floriano
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dellEmilia, Italy
| | - A Boari
- Faculty of Veterinary Medicine, University of Teramo, Teramo, Italy
| | - G Aste
- Faculty of Veterinary Medicine, University of Teramo, Teramo, Italy
| | - M Pietra
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dellEmilia, Italy
| | - P F Bergamini
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dellEmilia, Italy
| | - F Dondi
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dellEmilia, Italy
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