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Ciancia S, Högler W, Sakkers RJB, Appelman-Dijkstra NM, Boot AM, Sas TCJ, Renes JS. Osteoporosis in children and adolescents: how to treat and monitor? Eur J Pediatr 2023; 182:501-511. [PMID: 36472650 DOI: 10.1007/s00431-022-04743-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 11/25/2022] [Accepted: 11/28/2022] [Indexed: 12/12/2022]
Abstract
UNLABELLED Osteoporosis is a condition of increased bone fragility associated with fractures. Apart from primary genetic osteoporotic conditions, secondary osteoporosis in children is being increasingly recognized. As a result, there is growing interest in its prevention and treatment. Important goals of care are to prevent fractures, increase bone mass and trabecular and cortical thickness, reshape vertebral fractures, prevent (or correct) skeletal deformities, and improve mobility, independence, and quality of life. Secondary pediatric osteoporosis is often of multifactorial origin since affected children frequently have more than one acquired factor that is detrimental to bone health. Typical conditions causing osteoporosis are leukemias, progressive muscle or neurological disorders, as well as chronic inflammatory conditions and their treatment. Management of children with osteoporosis involves a multidisciplinary team involving pediatric experts from different subspecialties. With regard to prevention and early intervention, it is important to provide optimal management of any underlying systemic conditions including avoidance, or dose-reduction, of osteotoxic medications. Basic supporting life-style measures, such as appropriate nutrition, including adequate calcium intake and vitamin D, and physical activity are recommended, where possible. When pediatric treatment criteria for osteoporosis are met, antiresorptive drugs constitute the first pharmacological line treatment. CONCLUSION This clinical review focuses on the prevention, treatment, and follow-up of children with, or at risk of developing, osteoporosis and the transition from pediatric to adult care. WHAT IS KNOWN • Osteoporosis and associated fractures can cause significant morbidity and reduce the quality of life. • The developing skeleton has huge potential for recovery and reshaping, thus early detection of fractures, assessment of recovery potential, and treatment of children with osteoporosis can prevent future fractures, deformities, and scoliosis, improve function and mobility, and reduce pain. WHAT IS NEW • Osteoporosis in children and adolescents requires a multidisciplinary approach with a thorough assessment of recovery potential, and indication for therapy should be personalized. • Although bisphosphonates still represent the drug most commonly used to increase bone mass, improve mobility, and reduce pain and recurrence of fractures, new agents are being developed and could be beneficial in children with specific conditions.
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Affiliation(s)
- Silvia Ciancia
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center, Sophia Children's Hospital, Rotterdam, The Netherlands.
| | - Wolfgang Högler
- Department of Pediatrics and Adolescent Medicine, Johannes Kepler University Linz, Linz, Austria
| | - Ralph J B Sakkers
- Department of Orthopedic Surgery, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Natasha M Appelman-Dijkstra
- Department of Internal Medicine, Subdivision of Endocrinology, Center for Bone Quality, Leiden University Medical Center, Leiden, The Netherlands
| | - Annemieke M Boot
- Department of Pediatrics, Subdivision of Endocrinology, University Medical Center Groningen, Beatrix Childrens Hospital, University of Groningen, Groningen, The Netherlands
| | - Theo C J Sas
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center, Sophia Children's Hospital, Rotterdam, The Netherlands.,Center for Pediatric and Adult Diabetes Care and Research, Rotterdam, The Netherlands
| | - Judith S Renes
- Department of Pediatrics, Albert Schweitzer Hospital, Dordrecht, The Netherlands.,Dutch Growth Research Foundation, Rotterdam, The Netherlands
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Roumpou A, Yavropoulou MP, Chronopoulos E, Kassi E. Novel Therapeutic Agents for Rare Diseases of Calcium and Phosphate Metabolism. Horm Metab Res 2022; 54:645-657. [PMID: 36049757 DOI: 10.1055/a-1917-0519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
The last decade has been revolutionary regarding the management of rare bone diseases caused by impaired calcium and phosphate metabolism. Elucidation of the underlying genetic basis and pathophysiologic alterations has been the determinant factor for the development of new, disease-specific treatment agents. The phosphaturic hormone Fibroblast Growth Factor 23 (FGF23) possesses a critical role in the pathogenesis of various hypophosphatemic disorders. Among them, the genetic disorder of X-linked hypophosphatemia and the acquired syndrome of tumor-induced osteomalacia, although very rare, have attracted the scientific community's attention towards designing an FGF23-inhibitor as a potential specific therapy. The monoclonal antibody burosumab was approved for the treatment of children and adult patients with X-linked hypophosphatemia and recently for tumor-induced osteomalacia patients, demonstrating benefits regarding their symptoms, biochemical profile and bone mineralization status. Asfotase alfa is a hydroxyapatite-targeted recombinant alkaline phosphatase, an enzymatic replacement therapy, substituting the defective activity of tissue non-specific alkaline phosphatase, in patients suffering from hypophosphatasia. Promising data regarding its favorable effect on survival rate, bone quality, fracture healing, muscle strength, mobility, respiratory function, and general quality of life have led to the approval of the drug for the treatment of childhood-onset hypophosphatasia. Given the high costs of treatment for both agents and their limited clinical use until now, more data are needed to define patients' characteristics that make them ideal candidates for therapy. Long-term safety issues also need to be clarified.
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Affiliation(s)
- Afroditi Roumpou
- Division of Endocrinology, Metabolism and Diabetes, First Department of Pediatrics, "Aghia Sofia" Children's Hospital, National and Kapodistrian University of Athens School of Medicine, Athens, Greece
- Laboratory for Research of the Musculoskeletal System, National and Kapodistrian University of Athens School of Medicine, Athens, Greece
| | - Maria P Yavropoulou
- Centre of Expertise for Rare Endocrine Diseases, C.E.R.E.D. Disorders of Calcium & Phosphate Metabolism, First Department of Propaedeutic and Internal Medicine, Laiko Hospital, National and Kapodistrian University of Athens School of Medicine, Athens, Greece
| | - Efstathios Chronopoulos
- Laboratory for Research of the Musculoskeletal System, National and Kapodistrian University of Athens School of Medicine, Athens, Greece
| | - Eva Kassi
- Laboratory for Research of the Musculoskeletal System, National and Kapodistrian University of Athens School of Medicine, Athens, Greece
- Centre of Expertise for Rare Endocrine Diseases, C.E.R.E.D. Disorders of Calcium & Phosphate Metabolism, First Department of Propaedeutic and Internal Medicine, Laiko Hospital, National and Kapodistrian University of Athens School of Medicine, Athens, Greece
- Department of Biological Chemistry, National and Kapodistrian University of Athens, Athens, Greece
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Tozzi R, Masi D, Cipriani F, Contini S, Gangitano E, Spoltore ME, Barchetta I, Basciani S, Watanabe M, Baldini E, Ulisse S, Lubrano C, Gnessi L, Mariani S. Circulating SIRT1 and Sclerostin Correlates with Bone Status in Young Women with Different Degrees of Adiposity. Nutrients 2022; 14:nu14050983. [PMID: 35267956 PMCID: PMC8912833 DOI: 10.3390/nu14050983] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 02/22/2022] [Accepted: 02/23/2022] [Indexed: 11/28/2022] Open
Abstract
Sirtuin1 (SIRT1) and sclerostin play important roles in adipose tissue and bone metabolism. We evaluated the circulating SIRT1 and sclerostin relationship with mass and quality of bone while considering the degree of adiposity. Sixty-six premenopausal women (16 underweight, 25 normal weight and 25 with obesity), aged <50 years, were enrolled. Plasma SIRT1, sclerostin and DXA body composition (total fat mass (FM), abdominal visceral adipose tissue, lean mass, trabecular bone score (TBS) and lumbar spine and femoral neck (FN) bone mineral density (BMD)) were assessed. The patients with obesity showed the lowest SIRT1 and TBS values and the highest sclerostin concentrations; BMD increased with FM and BMI and had an inverse association with SIRT1. Sclerostin was negatively correlated with SIRT1 (ρ = −0.37, p = 0.002). When spine BMD, FN BMD and TBS were standardized for BMI, a positive correlation with SIRT1 and a negative correlation with sclerostin were seen (p < 0.005). In the regression analysis, sclerostin was the best independent, negative predictor for BMD and TBS, while SIRT1 directly predicted TBS (p < 0.05). In conclusion, blood measurement of SIRT1 and sclerostin could represent a snapshot of the bone status that, taking into account the degree of adiposity, may reduce the interference of confounding factors in the interpretation of bone health parameters.
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Affiliation(s)
- Rossella Tozzi
- Department of Molecular Medicine, “Sapienza” University of Rome, 00161 Rome, Italy;
| | - Davide Masi
- Department of Experimental Medicine, Section of Medical Physiopathology, Food Science and Endocrinology, “Sapienza” University of Rome, 00161 Rome, Italy; (D.M.); (F.C.); (S.C.); (E.G.); (M.E.S.); (I.B.); (S.B.); (M.W.); (C.L.); (L.G.)
| | - Fiammetta Cipriani
- Department of Experimental Medicine, Section of Medical Physiopathology, Food Science and Endocrinology, “Sapienza” University of Rome, 00161 Rome, Italy; (D.M.); (F.C.); (S.C.); (E.G.); (M.E.S.); (I.B.); (S.B.); (M.W.); (C.L.); (L.G.)
| | - Savina Contini
- Department of Experimental Medicine, Section of Medical Physiopathology, Food Science and Endocrinology, “Sapienza” University of Rome, 00161 Rome, Italy; (D.M.); (F.C.); (S.C.); (E.G.); (M.E.S.); (I.B.); (S.B.); (M.W.); (C.L.); (L.G.)
| | - Elena Gangitano
- Department of Experimental Medicine, Section of Medical Physiopathology, Food Science and Endocrinology, “Sapienza” University of Rome, 00161 Rome, Italy; (D.M.); (F.C.); (S.C.); (E.G.); (M.E.S.); (I.B.); (S.B.); (M.W.); (C.L.); (L.G.)
| | - Maria Elena Spoltore
- Department of Experimental Medicine, Section of Medical Physiopathology, Food Science and Endocrinology, “Sapienza” University of Rome, 00161 Rome, Italy; (D.M.); (F.C.); (S.C.); (E.G.); (M.E.S.); (I.B.); (S.B.); (M.W.); (C.L.); (L.G.)
| | - Ilaria Barchetta
- Department of Experimental Medicine, Section of Medical Physiopathology, Food Science and Endocrinology, “Sapienza” University of Rome, 00161 Rome, Italy; (D.M.); (F.C.); (S.C.); (E.G.); (M.E.S.); (I.B.); (S.B.); (M.W.); (C.L.); (L.G.)
| | - Sabrina Basciani
- Department of Experimental Medicine, Section of Medical Physiopathology, Food Science and Endocrinology, “Sapienza” University of Rome, 00161 Rome, Italy; (D.M.); (F.C.); (S.C.); (E.G.); (M.E.S.); (I.B.); (S.B.); (M.W.); (C.L.); (L.G.)
| | - Mikiko Watanabe
- Department of Experimental Medicine, Section of Medical Physiopathology, Food Science and Endocrinology, “Sapienza” University of Rome, 00161 Rome, Italy; (D.M.); (F.C.); (S.C.); (E.G.); (M.E.S.); (I.B.); (S.B.); (M.W.); (C.L.); (L.G.)
| | - Enke Baldini
- Department of Surgical Sciences, “Sapienza” University of Rome, 00161 Rome, Italy; (E.B.); (S.U.)
| | - Salvatore Ulisse
- Department of Surgical Sciences, “Sapienza” University of Rome, 00161 Rome, Italy; (E.B.); (S.U.)
| | - Carla Lubrano
- Department of Experimental Medicine, Section of Medical Physiopathology, Food Science and Endocrinology, “Sapienza” University of Rome, 00161 Rome, Italy; (D.M.); (F.C.); (S.C.); (E.G.); (M.E.S.); (I.B.); (S.B.); (M.W.); (C.L.); (L.G.)
| | - Lucio Gnessi
- Department of Experimental Medicine, Section of Medical Physiopathology, Food Science and Endocrinology, “Sapienza” University of Rome, 00161 Rome, Italy; (D.M.); (F.C.); (S.C.); (E.G.); (M.E.S.); (I.B.); (S.B.); (M.W.); (C.L.); (L.G.)
| | - Stefania Mariani
- Department of Experimental Medicine, Section of Medical Physiopathology, Food Science and Endocrinology, “Sapienza” University of Rome, 00161 Rome, Italy; (D.M.); (F.C.); (S.C.); (E.G.); (M.E.S.); (I.B.); (S.B.); (M.W.); (C.L.); (L.G.)
- Correspondence: ; Tel.: +39-06499-70721; Fax: +39-06446-1450
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Saponaro F. Rare Causes of Hypercalcemia. Endocrinol Metab Clin North Am 2021; 50:769-779. [PMID: 34774247 DOI: 10.1016/j.ecl.2021.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
This article discusses rare causes of hypercalcemia. Hypercalcemia can rarely be associated with immobilization, genetic diseases in children such as Williams-Beuren syndrome, Hypophosphatasia, Jansen Metaphyseal Chondrodysplasia (JMC), cosmetic injection, milk-alkali syndrome (MAS), calcium sulfate beads administration, manganese intoxication, postacute kidney failure recovery, and Paget's disease.
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Affiliation(s)
- Federica Saponaro
- Department of Surgical, Medical, and Molecular Pathology and Critical Care Medicine, University of Pisa, via Roma 55, Pisa 56126, Italy.
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