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1.
Endocrinology of bone mineralization: An update.
Jannin, A, Kerlan, V, Desailloud, R
Annales d'endocrinologie. 2022;(1):46-53
Abstract
Throughout the world, millions of people suffer from fragilizing osteopathies such as osteomalacia and osteoporosis. Osteomalacia is a rare disorder, corresponding to mineralization abnormalities in adult bone, as opposed to rickets in children. Renal phosphate loss and hypophosphatasia are the main causes of vitamin-resistant osteomalacia. Diagnosis is based on clinical history, phosphocalcic metabolism assessment and, if necessary, molecular characterization, and must be rapid in order to initiate the most appropriate treatment and consider new treatments such as burosumab if necessary. Osteoporosis is characterized by reduced bone mass and strength, which increases the risk of fragility fracture. Fracture-related burden is expected to increase over the coming decades linked to the aging of population and a treatment gap. In order to reduce this treatment gap, it is important to develop two strategies: improvement of screening and of treatment. Systematic screening using the FRAX® fracture risk assessment tool could be useful to increase anti-osteoporosis medical treatment and reduce fracture rates. The question of treatment sequencing in osteoporosis is another challenge, notably after denosumab cessation, complicated by a decrease in bone mineral density and increased risk of fracture. New treatments are also available, including romosozumab, a humanized monoclonal antibody, which promotes bone formation and inhibits bone resorption by inhibiting sclerostin. Romosozumab is approved in several countries, including France, for treating severe osteoporosis in postmenopausal women at high risk of fracture and free of cardiovascular comorbidity. Endocrinologists need to be aware of these fragilizing osteopathies in order to improve both diagnosis and treatment.
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2.
Therapies for Preventing Bone Loss with Glucocorticoid Treatment.
Agarwal, A, Adachi, JD
Current osteoporosis reports. 2021;(1):34-39
Abstract
PURPOSE OF REVIEW We aim to critically review recent recommendations regarding preventative strategies for glucocorticoid-induced osteoporosis and provide a summary of key evidence regarding available interventions. RECENT FINDINGS Lifestyle optimization remains the hallmark of bone health preservation. Early initiation of anti-osteoporotic agents in the setting of glucocorticoid exposure is essential, guided by appropriate risk stratification. Recommendations for calcium and vitamin D intake optimization are well-supported across all risk strata. Bisphosphonates are the mainstay of pharmacological therapy. Newer agents such as denosumab and teriparatide have demonstrated comparative benefit in terms of incident fracture risk reduction and bone mineral density preservation, with comparable adverse events. With due consideration to cost, resource availability, and patient values and preferences, these agents may warrant use as the first-line agents in this setting. Glucocorticoid-induced osteoporosis remains preventable and warrants early and targeted evidence-based therapy.
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Bone-modifying Agents (BMAs) in Breast Cancer.
Shapiro, CL
Clinical breast cancer. 2021;(5):e618-e630
Abstract
Bone-modifying agents (BMAs) are mainstays in breast cancer and prevent and treat osteoporosis in early-stage disease and reduce skeletal metastases complications in advanced disease. There is some evidence to support that BMA also prevents skeletal metastases and improves overall survival. Bone loss occurs with chemotherapy-induced ovarian failure, gonadotrophin-releasing hormone (GnRH) agonists, and aromatase inhibitors. In some women, the bone loss will be of sufficient magnitude to increase the risks of osteoporosis or fractures. Recommended steps in osteoporosis prevention or treatment include risk factor assessment, taking adequate amounts of calcium and vitamin D3, and periodic evaluations with dual-energy x-ray absorptiometry scanning. If clinically indicated by the T-scores and fracture-risk prediction algorithms treat with oral, IV bisphosphonates or subcutaneous denosumab (DEN). Zoledronic acid (ZA) or DEN reduces skeletal metastases complications, including pathological fracture, spinal cord compression, or the necessity for radiation or surgery to bone. Also, both of these drugs have the side-effect of osteonecrosis at a similar incidence. Monthly administration of ZA or DEN is standard, but several recent randomized trials show noninferiority between ZA monthly and every 3-month ZA. Every 3-month ZA is a new standard of care. Similar trials of the schedule of DEN are ongoing. ZA anticancer effect is only in postmenopausal women or premenopausal women rendered postmenopausal by GnRH agonists or bilateral oopherectomy. High-risk women, either postmenopausal or premenopausal, receiving GnRH/oopherctomy should consider adjuvant ZA. There are insufficient data to support DEN in this setting. Herein, this narrative review covers the mechanism of action of BMA, randomized clinical trials, and adverse events, both common and rare.
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4.
Bone Health in Childhood Chronic Disease.
Weber, DR
Endocrinology and metabolism clinics of North America. 2020;(4):637-650
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Abstract
Many children with chronic disease are now surviving into adulthood. As a result, there is a growing interest in optimizing bone health early in the disease course with the dual goals of improving quality of life during childhood and reducing life-long fracture risk. Risk factors for impaired bone health in these children include immobility, nutritional deficiency, exposure to bone toxic therapies, hormonal deficiencies affecting growth and pubertal development, and chronic inflammation. This review focuses on the chronic diseases of childhood most commonly associated with impaired bone health. Recent research findings and clinical practice recommendations, when available, for specific disorders are summarized.
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Updated approach for the management of osteoporosis in Turkey: a consensus report.
Kirazlı, Y, Atamaz Çalış, F, El, Ö, Gökçe Kutsal, Y, Peker, Ö, Sindel, D, Tuzun, Ş, Gogas Yavuz, D, Durmaz, B, Akarirmak, Ü, et al
Archives of osteoporosis. 2020;(1):137
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Abstract
UNLABELLED As a result of the current demographics, increased projections of osteoporosis (OP) and prevalence of the disease in Turkey, a panel of multidisciplinary experts developed a thorough review to assist clinicians in identifying OP and associated fracture risk patients, diagnosing the disease with the appropriate available diagnostic methods, classifying the disease, and initiating appropriate treatment. The panel expects to increase the awareness of this prevalent disease, decrease consequences of OP with corresponding cost savings and, ultimately, decrease the overall burden of OP and related fractures in Turkey. BACKGROUND OP is not officially accepted as a chronic disease in Turkey despite the high prevalence and predicted increase in the following years. However, there are areas where the country is performing well, such as having a country-specific fracture risk assessment model, DXA access, and the uptake of FRAX. Additional efforts are required to decrease the existing treatment gap estimating 75-90% of patients do not receive pharmacological intervention for secondary prevention, and the diagnosis rate is around 25%. METHODS A selected panel of Turkish experts in fields related to osteoporosis was provided with a series of relevant questions to address prior to the multi-day conference. Within this conference, each narrative was discussed and edited by the entire group, through numerous drafts and rounds of discussion until a consensus was achieved. Represented in the panel were a number of societies including The Turkish Osteoporosis Society, The Society of Endocrinology and Metabolism of Turkey (SEMT), and The Turkish Society of Physical Medicine and Rehabilitation. RESULTS Standardized general guidelines to identify OP and related fractures and at-risk population in Turkey, which will enable clinicians to accurately and effectively diagnose the disease, treat the appropriate patients with available pharmacological and non-pharmacological treatments and decrease the burden of the disease. CONCLUSIONS This manuscript provides a review of the current state of OP and related fractures in Turkey. Moreover, this manuscript reviews current international guidelines and national studies and proposes a number of helpful country-specific classifications that can be used by healthcare providers caring for the at-risk population. Additionally, the panel proposes practical recommendations that should be implemented nationally in order to decrease the burden of OP and related fractures and effectively preventing the burden in future generations.
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Cumulative network meta-analyses, practice guidelines, and actual prescriptions for postmenopausal osteoporosis: a meta-epidemiological study.
Kataoka, Y, Luo, Y, Chaimani, A, Onishi, A, Kimachi, M, Tsujimoto, Y, Murad, MH, Li, T, Cipriani, A, Furukawa, TA
Archives of osteoporosis. 2020;(1):21
Abstract
UNLABELLED We compared the cumulative network meta-analyses with the recommendations in postmenopausal osteoporosis practice guidelines and actual prescribing practices in the USA. There was no apparent discrepancy between guideline recommendations and drug prescribing rankings, with the exception of vitamin D and calcium, when we used cumulative NMAs as references. PURPOSE To compare the results of cumulative network meta-analyses (NMAs) with the recommendations in postmenopausal osteoporosis practice guidelines and actual prescribing practices in the USA. METHODS MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, Web of Science, and Scopus were searched to retrieve randomized controlled trials (RCTs) in July 2017. The Agency for Healthcare Research and Quality's National Guideline Clearinghouse and associated society websites were searched to retrieve guidelines in June 2018. We used the Medical Expenditure Panel Survey (MEPS) to analyze prescription data from 1996 to 2015. Two independent investigators selected eligible RCTs. One investigator selected potential eligible guidelines, which were confirmed by another investigator. Two independent investigators extracted data from included RCTs. One investigator extracted recommendations from guidelines, which were confirmed by another investigator. (Registration: UMIN000031894) RESULTS We analyzed data from 1995, 2000, 2005, 2010, and 2015. We chose hip fracture as the primary outcome of cumulative NMAs. We included 51 trials, 17 guidelines, and 5099 postmenopausal osteoporosis patients from the MEPS. Bisphosphonate, including alendronate, and combination of vitamin D and calcium (vDCa) were consistently recommendable from an efficacy viewpoint in NMAs and recommended in guidelines. Alendronate was the most prescribed drug (more than 30% over the observation period); however, vDCa was seldom prescribed. The maximum proportion was 5.3% from 2011 to 2015. CONCLUSIONS In postmenopausal osteoporosis, there was no apparent discrepancy between guideline recommendations and drug prescribing rankings, with the exception of vDCa, when we used cumulative NMAs as references.
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Drug treatment strategies for osteoporosis in stroke patients.
Hsieh, CY, Sung, SF, Huang, HK
Expert opinion on pharmacotherapy. 2020;(7):811-821
Abstract
INTRODUCTION Osteoporosis and subsequent fractures are well-recognized complications of stroke. However, drug treatment strategies for osteoporosis after stroke have been rarely discussed in the current guidelines for the management of stroke or osteoporosis. AREAS COVERED The authors review the epidemiology, characteristics, pathophysiology, and risk prediction of post-stroke osteoporosis and fractures. Then they provide an overview of existing evidence regarding drug treatment strategies for osteoporosis in stroke patients. They also review the effects on bone mineral density (BMD) and fractures for those drugs commonly used in stroke patients. EXPERT OPINION Currently, there is scarce evidence. A small randomized control trial suggested that a single use of 4 mg of intravenous zoledronate within 5 weeks of stroke onset was beneficial for preserving BMD, while simultaneous use of calcium and vitamin D supplements may be effective in preventing hypocalcemia. Further studies are needed to address several important issues of post-stroke osteoporosis, including who (the eligibility for treatment), when (the best timing of treatment), what (which drug), and how long (the best duration of treatment). On the other hand, physicians should bear in mind that drugs commonly used for stroke, such as statins or warfarin, may have beneficial or adverse effects on BMD and fracture risks.
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[The sequential therapy of romosozumab followed by denosumab for osteoporosis.].
Ono, K, Tanaka, S
Clinical calcium. 2019;(3):357-362
Abstract
Romosozumab is a bone-forming agent with a dual effect of increasing bone formation and decreasing bone resorption by inhibiting sclerostin. In the pivotal Fracture study in postmenopausal women with osteroposis(FRAME)and the extension trial, 12 months of romosozumab led to persistent fracture, especially new vertebral fracture, reduction benefit and ongoing BMD(bone mineral density)gains when follow 24 months of denosumab. The sequence therapy of romosozumab followed by denosumab may be a promising regimen for the treatment of osteoporosis.
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Clinical Update on Osteoporosis.
Anthamatten, A, Parish, A
Journal of midwifery & women's health. 2019;(3):265-275
Abstract
Osteoporosis is described as a silent disease prior to fracture, and the sequelae of an osteoporotic fracture can be devastating. Primary care providers should routinely assess and remediate bone health during wellness visits for women aged at least 50 years. Assessment includes review of a variety of risk factors, bone density testing, and an online fracture risk assessment tool calculation. Diagnosis is based on bone density score and clinical risk factors. Evidence-based nonpharmacologic therapies are important adjuncts of care, and pharmacologic intervention may also be recommended. A variety of pharmacologic options are available for women with postmenopausal osteoporosis, and it is important to weigh benefits and risks. Pharmacologic indications, therapeutic variations among products, adverse effect profiles, administration considerations, and cost are addressed. Once pharmacotherapy is initiated, duration and drug holidays should also be considered. In general, medication benefits fade when treatment stops, so health care providers should be prepared to routinely revisit therapy indicators that will help define risk and guide treatment decisions. A comprehensive approach to bone health can make a valuable difference in the health of women.
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10.
Preventing and Treating Osteoporosis.
Berry, ME
Radiologic technology. 2019;(3):286-293