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Original Article
Effects of Sequential Anti-Resorptive Agents on Bone Mineral Density Following Denosumab Withdrawal: A Multicenter Real-World Study in Korea (MAXCARE Study)
Jeonghoon Ha, Kyong Yeun Jung, Kyoung Jin Kim, Seong Hee Ahn, Hyo-Jeong Kim, Yoon-Sok Chung, on Behalf of MAXCARE Research Group
Received October 31, 2024  Accepted January 13, 2025  Published online February 11, 2025  
DOI: https://doi.org/10.3803/EnM.2024.2227    [Epub ahead of print]
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AbstractAbstract PDFPubReader   ePub   
Background
Denosumab is a potent anti-resorptive agent widely used for osteoporosis. However, its discontinuation results in a ‘rebound phenomenon’ of rapid bone loss, necessitating transition to alternative anti-resorptive therapies. Despite this, there is limited evidence to guide the selection of the most effective agent, particularly among bisphosphonates. This study aimed to evaluate the efficacy of different anti-resorptive therapies following denosumab discontinuation in a real-world clinical setting.
Methods
This retrospective study included 360 patients (low-dose alendronate/calcitriol combination [MXM, n=118], alendronate [ALD, n=53], risedronate [RIS, n=20], ibandronate [IBN, n=30], zoledronic acid [ZOL, n=106], selective estrogen receptor modulator [SERM, n=33]) who received at least 12 months of post-denosumab anti-resorptive therapy. Bone mineral density (BMD) changes from baseline and fracture patterns were assessed over the treatment period.
Results
Baseline characteristics, including age and body mass index, were comparable across groups, with an average of 4.2 denosumab administrations per patient. The SERM group experienced the greatest BMD decline across all sites. Significant BMD reductions in the lumbar spine and femoral neck and in the femoral neck alone were observed in the IBN and RIS groups, respectively. While BMD decline was also observed in the MXM, ALD, and ZOL groups, these changes were not statistically significant.
Conclusion
MXM, ALD, and ZOL mitigated BMD loss following denosumab discontinuation. Conversely, RIS, IBN, and SERM did not adequately prevent BMD decline. These findings underscore the importance of selecting the most appropriate sequential antiresorptive therapy in clinical practice to minimize BMD loss and reduce the risk of adverse outcomes.
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Review Articles
Calcium & bone metabolism
Long-Term Efficacy and Safety of Denosumab: Insights beyond 10 Years of Use
Jeonghoon Ha, Youn-Ju Lee, Jinyoung Kim, Chaiho Jeong, Yejee Lim, Jeongmin Lee, Ki-Hyun Baek, on Behalf of the Catholic Medical Center Bone Research Group
Endocrinol Metab. 2025;40(1):47-56.   Published online January 13, 2025
DOI: https://doi.org/10.3803/EnM.2024.2125
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AbstractAbstract PDFPubReader   ePub   
Osteoporosis management in post-menopausal women focuses on fracture prevention, with denosumab as a key therapeutic option. Despite its proven efficacy in reducing fracture risk and increasing bone mineral density (BMD) over 10 years, its long-term impact remains uncertain. We evaluated the literature on its efficacy and safety beyond the initial decade. Clinical trials and real-world studies confirm denosumab’s sustained efficacy, especially in lumbar spine BMD, with hip BMD stabilizing. Concerns about adverse events (AEs) like hypocalcemia and osteonecrosis of the jaw necessitate vigilant monitoring. Risks of atypical femoral fractures and malignancies also require attention, despite unclear links to treatment duration. Clinical guidelines for denosumab beyond 10 years are limited, emphasizing the need for careful monitoring. In certain scenarios, such as advanced chronic kidney disease, prolonged denosumab may be required to balance AE risks with fracture prevention benefits. Denosumab shows potential for long-term efficacy in augmenting BMD; however, monitoring for AEs is crucial to guide clinical decision-making effectively.
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Calcium & bone metabolism
Effects of Endocrine-Disrupting Chemicals on Bone Health
So Young Park, Sung Hye Kong, Kyoung Jin Kim, Seong Hee Ahn, Namki Hong, Jeonghoon Ha, Sihoon Lee, Han Seok Choi, Ki-Hyun Baek, Jung-Eun Kim, Sang Wan Kim, on Behalf of Metabolic Bone Disease Study Group of Korean Endocrine Society
Endocrinol Metab. 2024;39(4):539-551.   Published online July 17, 2024
DOI: https://doi.org/10.3803/EnM.2024.1963
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  • 395 Download
  • 1 Web of Science
  • 1 Crossref
AbstractAbstract PDFPubReader   ePub   
This comprehensive review critically examines the detrimental impacts of endocrine-disrupting chemicals (EDCs) on bone health, with a specific focus on substances such as bisphenol A (BPA), per- and polyfluoroalkyl substances (PFASs), phthalates, and dioxins. These EDCs, by interfering with the endocrine system’s normal functioning, pose a significant risk to bone metabolism, potentially leading to a heightened susceptibility to bone-related disorders and diseases. Notably, BPA has been shown to inhibit the differentiation of osteoblasts and promote the apoptosis of osteoblasts, which results in altered bone turnover status. PFASs, known for their environmental persistence and ability to bioaccumulate in the human body, have been linked to an increased osteoporosis risk. Similarly, phthalates, which are widely used in the production of plastics, have been associated with adverse bone health outcomes, showing an inverse relationship between phthalate exposure and bone mineral density. Dioxins present a more complex picture, with research findings suggesting both potential benefits and adverse effects on bone structure and density, depending on factors such as the timing and level of exposure. This review underscores the urgent need for further research to better understand the specific pathways through which EDCs affect bone health and to develop targeted strategies for mitigating their potentially harmful impacts.

Citations

Citations to this article as recorded by  
  • Elucidating the mechanism of phthalates induced osteoporosis through network toxicology and molecular docking
    Xiao Zhang, Xi Zhu, Wenbo Gu, Xusheng Li, Tenyao Niu, Pengcheng Mao, Haifeng Yuan
    Ecotoxicology and Environmental Safety.2025; 291: 117820.     CrossRef
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Calcium & bone metabolism
Acromegaly and Bone: An Update
Andrea Giustina
Endocrinol Metab. 2023;38(6):655-666.   Published online December 22, 2023
DOI: https://doi.org/10.3803/EnM.2023.601
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  • 266 Download
  • 13 Web of Science
  • 15 Crossref
AbstractAbstract PDFPubReader   ePub   
Since our discovery in 2006 that acromegaly is associated with an increased risk of vertebral fractures, many authors have confirmed this finding in both cross-sectional and prospective studies. Due to the high epidemiological and clinical impact of this newly discovered comorbidity of acromegaly, this topic has progressively become more important and prominent over the years, and the pertinent literature has been enriched by new findings on the pathophysiology and treatment. The aim of this narrative review was to discuss these novel findings, integrating them with the seminal observations, in order to give the reader an updated view of how the field of acromegaly and bone is developing, from strong clinical observations to a mechanistic understanding and possible prevention and treatment.

Citations

Citations to this article as recorded by  
  • Vitamin D and hip protectors in osteosarcopenia: a combined hip fracture preventing approach
    Alessandro Giustina, Andrea Giustina
    Reviews in Endocrine and Metabolic Disorders.2025; 26(1): 1.     CrossRef
  • Long-Term Prognosis and Systemic Impact of Acromegaly: Analyses Utilizing Korean National Health Insurance Data
    Sangmo Hong, Kyungdo Han, Cheol-Young Park
    Endocrinology and Metabolism.2025; 40(1): 1.     CrossRef
  • Frailty and pituitary surgery: a systematic review
    Mendel Castle-Kirszbaum, Ann McCormack, Christopher Ovenden, Jeremy Kam, James King, Yi Yuen Wang, Tony Goldschlager
    Pituitary.2025;[Epub]     CrossRef
  • New insights into the vitamin D/PTH axis in endocrine-driven metabolic bone diseases
    Luigi di Filippo, John P. Bilezikian, Ernesto Canalis, Umberto Terenzi, Andrea Giustina
    Endocrine.2024; 85(3): 1007.     CrossRef
  • Bone health and skeletal fragility in second- and third-line medical therapies for acromegaly: preliminary results from a pilot single center experience
    Sabrina Chiloiro, Antonella Giampietro, Amato Infante, Pier Paolo Mattogno, Liverana Lauretti, Alessandro Olivi, Laura De Marinis, Alfredo Pontecorvi, Francesco Doglietto, Antonio Bianchi
    Pituitary.2024; 27(3): 303.     CrossRef
  • Standards of care for medical management of acromegaly in pituitary tumor centers of excellence (PTCOE)
    Andrea Giustina, M. M. Uygur, S. Frara, A. Barkan, N. R. Biermasz, P. Chanson, P. Freda, M. Gadelha, L. Haberbosch, U. B. Kaiser, S. Lamberts, E. Laws, L. B. Nachtigall, V. Popovic, M. Reincke, A. J. van der Lely, J. A. H. Wass, S. Melmed, F. F. Casanueva
    Pituitary.2024; 27(4): 381.     CrossRef
  • Vertebral fractures in patients with non-functioning pituitary adenomas - a new frontier?
    Nicholas A. Tritos
    Pituitary.2024; 27(4): 311.     CrossRef
  • Suspected silent pituitary somatotroph neuroendocrine tumor associated with acromegaly-like bone disorders: a case report
    Tongxin Xiao, Xinxin Mao, Ou Wang, Yong Yao, Kan Deng, Huijuan Zhu, Lian Duan
    BMC Endocrine Disorders.2024;[Epub]     CrossRef
  • Skeletal fragility in pituitary disease: how can we predict fracture risk?
    Fabio Bioletto, Alessandro Maria Berton, Marco Barale, Luigi Simone Aversa, Lorenzo Sauro, Michela Presti, Francesca Mocellini, Noemi Sagone, Ezio Ghigo, Massimo Procopio, Silvia Grottoli
    Pituitary.2024; 27(6): 789.     CrossRef
  • Vitamin D in pituitary driven osteopathies
    Sabrina Chiloiro, Flavia Costanza, Elena Riccardi, Antonella Giampietro, Laura De Marinis, Antonio Bianchi, Alfredo Pontecorvi, Andrea Giustina
    Pituitary.2024; 27(6): 847.     CrossRef
  • GH receptor polymorphisms guide second-line therapies to prevent acromegaly skeletal fragility: preliminary results of a pilot study
    Sabrina Chiloiro, Flavia Costanza, Antonella Giampietro, Amato Infante, Pier Paolo Mattogno, Flavia Angelini, Consolato Gullì, Liverana Lauretti, Mario Rigante, Alessandro Olivi, Laura De Marinis, Francesco Doglietto, Antonio Bianchi, Alfredo Pontecorvi
    Frontiers in Endocrinology.2024;[Epub]     CrossRef
  • Growth hormone and bone: a basic perspective
    Simona Bolamperti, Isabella Villa, Luigi di Filippo
    Pituitary.2024; 27(6): 745.     CrossRef
  • Approach to the patient with controlled acromegaly and acromegalic arthropathy: clinical diagnosis and management
    Iris C. M. Pelsma, Herman M. Kroon, Cornelie D. Andela, Enrike M. J. van der Linden, Margreet Kloppenburg, Nienke R. Biermasz, Kim M. J. A. Claessen
    Pituitary.2024; 27(6): 824.     CrossRef
  • Modern approach to bone comorbidity in prolactinoma
    Meliha Melin Uygur, Sara Menotti, Simona Santoro, Andrea Giustina
    Pituitary.2024; 27(6): 802.     CrossRef
  • Novel approach to bone comorbidity in resistant acromegaly
    Stefano Frara, Matteo Acanfora, Vincenzo Franzese, Maria Luisa Brandi, Marco Losa, Andrea Giustina
    Pituitary.2024; 27(6): 813.     CrossRef
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Original Article
Calcium & bone metabolism
Characteristics Associated with Bone Loss after Spinal Cord Injury: Implications for Hip Region Vulnerability
Sora Han, Sungjae Shin, Onyoo Kim, Namki Hong
Endocrinol Metab. 2023;38(5):578-587.   Published online October 10, 2023
DOI: https://doi.org/10.3803/EnM.2023.1795
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  • 1 Web of Science
  • 1 Crossref
AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
In individuals with spinal cord injury (SCI), bone loss progresses rapidly to the area below the level of injury, leading to an increased risk of fracture. However, there are limited data regarding SCI-relevant characteristics for bone loss and the degree of bone loss in individuals with SCI compared with that in non-SCI community-dwelling adults.
Methods
Data from men with SCI who underwent dual-energy X-ray absorptiometry at the National Rehabilitation Center (2008 to 2020) between 12 and 36 months after injury were collected and analyzed. Community-dwelling men were matched 1:1 for age, height, and weight as the control group, using data from the Korea National Health and Nutrition Examination Survey (KNHANES, 2008 to 2011).
Results
A comparison of the SCI and the matched control group revealed significantly lower hip region T-scores in the SCI group, whereas the lumbar spine T-score did not differ between groups. Among the 113 men with SCI, the paraplegia group exhibited significantly higher Z-scores of the hip region than the tetraplegia group. Participants with motor-incomplete SCI showed relatively preserved Z-scores of the hip region compared to those of the lumbar region. Moreover, in participants with SCI, the percentage of skeletal muscle displayed a moderate positive correlation with femoral neck Z-scores.
Conclusion
Men with SCI exhibited significantly lower bone mineral density of the hip region than community-dwelling men. Paraplegia rather than tetraplegia, and motor incompleteness rather than motor completeness were protective factors in the hip region. Caution for loss of skeletal muscle mass or increased adiposity is also required.

Citations

Citations to this article as recorded by  
  • Multifaceted Pathophysiology and Secondary Complications of Chronic Spinal Cord Injury: Focus on Pressure Injury
    Mario Martínez-Torija, Pedro F. Esteban, Angela Santos-De-La-Mata, Matilde Castillo-Hermoso, Eduardo Molina-Holgado, Rafael Moreno-Luna
    Journal of Clinical Medicine.2025; 14(5): 1556.     CrossRef
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Review Article
Thyroid
Evaluation and Management of Bone Health in Patients with Thyroid Diseases: A Position Statement of the Korean Thyroid Association
A Ram Hong, Ho-Cheol Kang
Endocrinol Metab. 2023;38(2):175-189.   Published online April 27, 2023
DOI: https://doi.org/10.3803/EnM.2023.1701
  • 9,624 View
  • 345 Download
  • 6 Web of Science
  • 6 Crossref
AbstractAbstract PDFPubReader   ePub   
Thyroid hormones play an important physiological role in maintaining adult bone structure and strength. Consequently, thyroid dysfunction is related to skeletal outcomes. Overt hyperthyroidism is an established cause of high bone turnover with accelerated bone loss, leading to osteoporosis and increased fracture risk. Hyperthyroidism induced by thyroid-stimulating hormone-suppressive therapy in patients with differentiated thyroid cancer is a cause of secondary osteoporosis. In contrast, there is a lack of evidence on the negative impact of hypothyroidism on bone health. Considering the clinical updates on the importance of bone health in thyroid dysfunction, the Task Force from the Clinical Practice Guidelines Development Committee of the Korean Thyroid Association recently developed a position statement on the evaluation and management of bone health of patients with thyroid diseases, particularly focused on endogenous hyperthyroidism and thyroid-stimulating hormone-suppressive therapy-associated hyperthyroidism in patients with differentiated thyroid cancer. Herein, we review the Korean Thyroid Association’s position statement on the evaluation and management of bone health associated with thyroid diseases.

Citations

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  • Diagnosis and therapeutic approach to bone health in patients with hypopituitarism
    Justyna Kuliczkowska-Płaksej, Aleksandra Zdrojowy-Wełna, Aleksandra Jawiarczyk-Przybyłowska, Łukasz Gojny, Marek Bolanowski
    Reviews in Endocrine and Metabolic Disorders.2024; 25(3): 513.     CrossRef
  • Osteoporosis, Osteoarthritis, and Subchondral Insufficiency Fracture: Recent Insights
    Shunichi Yokota, Hotaka Ishizu, Takuji Miyazaki, Daisuke Takahashi, Norimasa Iwasaki, Tomohiro Shimizu
    Biomedicines.2024; 12(4): 843.     CrossRef
  • Acute hypercalcemic crisis: A narrative review with a focus on pregnancy
    Nadia Sabbah
    Annales d'Endocrinologie.2024; 85(6): 604.     CrossRef
  • Increased risk of malignancy and osteoporosis in primary Sjögren’s syndrome with thyroid diseases: potential implication from T cells
    Xiaomeng Cui, Jun Li, Yizhen Sang, Wei Liu, Yikang Lu, Wei Li, Li Ma, Xinying Liu
    Rheumatology.2024;[Epub]     CrossRef
  • Review on the protective activity of osthole against the pathogenesis of osteoporosis
    Jincai Chen, Xiaofei Liao, Juwen Gan
    Frontiers in Pharmacology.2023;[Epub]     CrossRef
  • Estudio comparativo tras la cirugía tiroidea y otras variables asociadas al desarrollo de osteoporosis en una cohorte latinoamericana
    María Paula Ciliberti Artavia, Juan Sebastián Theran León, Jaime Alberto Gómez Ayala, Valentina Cabrera Peña, Rafael Guillermo Parales Strauch, Edgar Camilo Blanco Pimiento, Luis Andres Dulcey Sarmiento, Juan Camilo Martínez, Juan Camilo Mayorca, María Al
    Revista Salud y Desarrollo.2023; 7(2): e605.     CrossRef
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Original Articles
Calcium & bone metabolism
Persistence with Denosumab in Male Osteoporosis Patients: A Real-World, Non-Interventional Multicenter Study
Chaiho Jeong, Jeongmin Lee, Jinyoung Kim, Jeonghoon Ha, Kwanhoon Jo, Yejee Lim, Mee Kyoung Kim, Hyuk-Sang Kwon, Tae-Seo Sohn, Ki-Ho Song, Moo Il Kang, Ki-Hyun Baek
Endocrinol Metab. 2023;38(2):260-268.   Published online April 27, 2023
DOI: https://doi.org/10.3803/EnM.2023.1663
  • 3,682 View
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AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
Persistence with denosumab in male patients has not been adequately investigated, although poor denosumab persistence is associated with a significant risk of rebound vertebral fractures.
Methods
We retrospectively evaluated 294 Korean male osteoporosis patients treated with denosumab at three medical centers and examined their persistence with four doses of denosumab injection over 24 months of treatment. Persistence was defined as the extent to which a patient adhered to denosumab treatment in terms of the prescribed interval and dose, with a permissible gap of 8 weeks. For patients who missed their scheduled treatment appointment(s) during the follow-up period (i.e., no-shows), Cox proportional regression analysis was conducted to explore the factors associated with poor adherence. Several factors were considered, such as age, prior anti-osteoporotic drug use, the treatment provider’s medical specialty, the proximity to the medical center, and financial burdens of treatment.
Results
Out of 294 male patients, 77 (26.2%) completed all four sequential rounds of the denosumab treatment. Out of 217 patients who did not complete the denosumab treatment, 138 (63.6%) missed the scheduled treatment(s). Missing treatment was significantly associated with age (odds ratio [OR], 1.03), prior bisphosphonate use (OR, 0.76), and prescription by non-endocrinologists (OR, 2.24). Denosumab was stopped in 44 (20.3%) patients due to medical errors, in 24 (11.1%) patients due to a T-score improvement over –2.5, and in five (2.3%) patients due to expected dental procedures.
Conclusion
Our study showed that only one-fourth of Korean male osteoporosis patients were fully adherent to 24 months of denosumab treatment.

Citations

Citations to this article as recorded by  
  • Denosumab

    Reactions Weekly.2023; 1963(1): 206.     CrossRef
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Calcium & Bone Metabolism
Bone Mineral Density Screening Interval and Transition to Osteoporosis in Asian Women
Hyunju Park, Heera Yang, Jung Heo, Hye Won Jang, Jae Hoon Chung, Tae Hyuk Kim, Yong-Ki Min, Sun Wook Kim
Endocrinol Metab. 2022;37(3):506-512.   Published online June 9, 2022
DOI: https://doi.org/10.3803/EnM.2022.1429
  • 5,363 View
  • 122 Download
  • 3 Web of Science
  • 4 Crossref
AbstractAbstract PDFPubReader   ePub   
Background
Bone mineral density (BMD) testing is indicated for women aged 65 years, but screening strategies for osteoporosis are controversial. Currently, there is no study focusing on the BMD testing interval in Asian populations. The current study aimed to evaluate the estimated time interval for screening osteoporosis.
Methods
We conducted a study of 6,385 subjects aged 50 years and older who underwent dual-energy X-ray absorptiometry screening more than twice at Samsung Medical Center as participants in a routine health checkup. Subjects were divided based on baseline T-score into mild osteopenia (T-score, <–1.0 to >–1.5), moderate osteopenia (T-score, ≤–1.5 to >–2.0), and severe osteopenia (T-score, ≤–2.0 to >–2.5). Information about personal medical and social history was collected by a structured questionnaire.
Results
The adjusted estimated BMD testing interval for 10% of the subjects to develop osteoporosis was 13.2 years in mild osteopenia, 5.0 years in moderate osteopenia, and 1.5 years in severe osteopenia.
Conclusion
Our study provides extended information about BMD screening intervals in Asian female population. Baseline T-score was important for predicting BMD screening interval, and repeat BMD testing within 5 years might not be necessary in mild osteopenia subjects.

Citations

Citations to this article as recorded by  
  • A randomized controlled trial of the effect of raloxifene plus cholecalciferol versus cholecalciferol alone on bone mineral density in postmenopausal women with osteopenia
    Sungjae Shin, Namki Hong, Yumie Rhee
    JBMR Plus.2024;[Epub]     CrossRef
  • Divergent associations of inflammatory markers with bone turnover markers in elderly patients with osteoporotic fractures
    Jian Xu, Yue-qin Guo, Shao-han Guo, Min-zhe Xu, Chong Li, Ya-qin Gong, Ke Lu
    Scientific Reports.2024;[Epub]     CrossRef
  • Effects of Bazedoxifene/Vitamin D Combination Therapy on Serum Vitamin D Levels and Bone Turnover Markers in Postmenopausal Women with Osteopenia: A Randomized Controlled Trial
    Chaiho Jeong, Jeonghoon Ha, Jun-Il Yoo, Young-Kyun Lee, Jung Hee Kim, Yong-Chan Ha, Yong-Ki Min, Dong-Won Byun, Ki-Hyun Baek, Ho Yeon Chung
    Journal of Bone Metabolism.2023; 30(2): 189.     CrossRef
  • Bone-modifying agents for non–small-cell lung cancer patients with bone metastases during the era of immune checkpoint inhibitors: A narrative review
    Jinyoung Kim, Chaiho Jeong, Jeongmin Lee, Jeonghoon Ha, Ki-Hyun Baek, Seohyun Kim, Tai Joon An, Chan Kwon Park, Hyoung Kyu Yoon, Jeong Uk Lim
    Seminars in Oncology.2023; 50(3-5): 105.     CrossRef
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Calcium & Bone Metabolism
Real-World Safety and Effectiveness of Denosumab in Patients with Osteoporosis: A Prospective, Observational Study in South Korea
Yumie Rhee, Dong-Gune Chang, Jeonghoon Ha, Sooa Kim, Yusun Lee, Euna Jo, Jung-Min Koh
Endocrinol Metab. 2022;37(3):497-505.   Published online June 3, 2022
DOI: https://doi.org/10.3803/EnM.2022.1427
  • 8,882 View
  • 336 Download
  • 9 Web of Science
  • 11 Crossref
AbstractAbstract PDFPubReader   ePub   
Background
The efficacy and safety of denosumab have been established in a phase 3, randomized, placebo-controlled trial in Korean postmenopausal women with osteoporosis. This postmarketing surveillance study was aimed to investigate the safety and effectiveness of denosumab in Korean real-world clinical practice.
Methods
Patients with osteoporosis who had received denosumab per the Korean approved indications in the postmarketing setting between September 2014 and September 2019 were enrolled. The primary endpoint was the incidence of adverse events (AEs) and adverse drug reactions (ADRs). The secondary endpoint was the percent change from baseline in bone mineral density (BMD) of the lumbar spine, total hip, and femoral neck.
Results
Of the 3,221 patients enrolled, 3,185 were included in the safety analysis set; 2,973 (93.3%) were female, and the mean± standard deviation (SD) age was 68.9±9.9 years. The mean±SD study period was 350.0±71.4 days. AEs, fatal AEs, and ADRs occurred in 19.3%, 0.8%, and 1.6%, respectively. The most frequent AEs, occurring in >0.5% of patients, were dizziness (0.7%), arthralgia (0.7%), back pain (0.6%), and myalgia (0.6%). Hypocalcemia occurred in 0.3% of patients. There were no cases of osteonecrosis of the jaw and atypical femoral fracture. Mean±SD percent change from baseline in BMD of the lumbar spine, total hip, and femoral neck was 7.3%±23.6%, 3.6%±31.4%, and 3.2%±10.7%, respectively.
Conclusion
The safety and effectiveness of denosumab in Korean patients with osteoporosis in this study were comparable with those in the Korean randomized controlled trial, with no new safety findings.

Citations

Citations to this article as recorded by  
  • Long-Term Efficacy and Safety of Denosumab: Insights beyond 10 Years of Use
    Jeonghoon Ha, Youn-Ju Lee, Jinyoung Kim, Chaiho Jeong, Yejee Lim, Jeongmin Lee, Ki-Hyun Baek
    Endocrinology and Metabolism.2025; 40(1): 47.     CrossRef
  • Prevalence of denosumab-induced hypocalcemia: a retrospective observational study of patients routinely monitored with ionized calcium post-injection
    Anna Spångeus, Johan Rydetun, Mischa Woisetschläger
    Osteoporosis International.2024; 35(1): 173.     CrossRef
  • Cost-consequence analysis of continuous denosumab therapy for osteoporosis treatment in South Korea
    Seungju Cha, Minjeong Sohn, Hyowon Yang, Eric J. Yeh, Ki-Hyun Baek, Jeonghoon Ha, Hyemin Ku
    BMC Musculoskeletal Disorders.2024;[Epub]     CrossRef
  • Denosumab and the Risk of Diabetes in Patients Treated for Osteoporosis
    Huei-Kai Huang, Albert Tzu-Ming Chuang, Tzu-Chi Liao, Shih-Chieh Shao, Peter Pin-Sung Liu, Yu-Kang Tu, Edward Chia-Cheng Lai
    JAMA Network Open.2024; 7(2): e2354734.     CrossRef
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    Yue He, Rong Zhang, Huarui Shen, Yingqi Liu
    Frontiers in Pharmacology.2024;[Epub]     CrossRef
  • Denosumab in Osteoporosis: Predicting Long-Term Efficacy beyond 10 Years
    Jeongmin Lee, Youn-Ju Lee, Jeonghoon Ha
    Journal of Bone Metabolism.2024; 31(3): 246.     CrossRef
  • Adverse Effects of Denosumab in Kidney Transplant Recipients: A 20-Year Retrospective Single-Center Observation Study in Central Taiwan
    Tsung-Yin Tsai, Zi-Hong You, Shang-Feng Tsai, Ming-Ju Wu, Tung-Min Yu, Ya-Wen Chuang, Yung-Chieh Lin, Ya-Lian Deng, Chiann-Yi Hsu, Cheng-Hsu Chen
    Transplantation Proceedings.2023; 55(4): 837.     CrossRef
  • Persistence with Denosumab in Male Osteoporosis Patients: A Real-World, Non-Interventional Multicenter Study
    Chaiho Jeong, Jeongmin Lee, Jinyoung Kim, Jeonghoon Ha, Kwanhoon Jo, Yejee Lim, Mee Kyoung Kim, Hyuk-Sang Kwon, Tae-Seo Sohn, Ki-Ho Song, Moo Il Kang, Ki-Hyun Baek
    Endocrinology and Metabolism.2023; 38(2): 260.     CrossRef
  • Effect of Denosumab on Bone Density in Postmenopausal Osteoporosis: A Comparison with and without Calcium Supplementation in Patients on Standard Diets in Korea
    Chaiho Jeong, Jinyoung Kim, Jeongmin Lee, Yejee Lim, Dong-Jun Lim, Ki-Hyun Baek, Jeonghoon Ha
    Journal of Clinical Medicine.2023; 12(21): 6904.     CrossRef
  • Denosumab

    Reactions Weekly.2022; 1919(1): 221.     CrossRef
  • Denosumab, an effective osteoporosis treatment option for men
    Sung Hye Kong
    The Korean Journal of Internal Medicine.2022; 37(5): 947.     CrossRef
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Hypothalamus and Pituitary Gland
Metabolic Impacts of Discontinuation and Resumption of Recombinant Human Growth Hormone Treatment during the Transition Period in Patients with Childhood-Onset Growth Hormone Deficiency
Yun Jeong Lee, Yunha Choi, Han-Wook Yoo, Young Ah Lee, Choong Ho Shin, Han Saem Choi, Ho-Seong Kim, Jae Hyun Kim, Jung Eun Moon, Cheol Woo Ko, Moon Bae Ahn, Byung-Kyu Suh, Jin-Ho Choi
Endocrinol Metab. 2022;37(2):359-368.   Published online April 25, 2022
DOI: https://doi.org/10.3803/EnM.2021.1384
  • 6,577 View
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  • 12 Web of Science
  • 13 Crossref
AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
Discontinuing growth hormone (GH) treatment during the transition to adulthood has been associated with adverse health outcomes in patients with childhood-onset growth hormone deficiency (CO-GHD). This study investigated the metabolic changes associated with interrupting GH treatment in adolescents with CO-GHD during the transition period.
Methods
This study included 187 patients with CO-GHD who were confirmed to have adult GHD and were treated at six academic centers in Korea. Data on clinical parameters, including anthropometric measurements, metabolic profiles, and bone mineral density (BMD) at the end of childhood GH treatment, were collected at the time of re-evaluation for GHD and 1 year after treatment resumption.
Results
Most patients (n=182, 97.3%) had organic GHD. The median age at treatment discontinuation and re-evaluation was 15.6 and 18.7 years, respectively. The median duration of treatment interruption was 2.8 years. During treatment discontinuation, body mass index Z-scores and total cholesterol, low-density lipoprotein, and non-high-density lipoprotein (HDL) cholesterol levels increased, whereas fasting glucose levels decreased. One year after GH treatment resumption, fasting glucose levels, HDL cholesterol levels, and femoral neck BMD increased significantly. Longer GH interruption (>2 years, 60.4%) resulted in worse lipid profiles at re-evaluation. The duration of interruption was positively correlated with fasting glucose and non-HDL cholesterol levels after adjusting for covariates.
Conclusion
GH treatment interruption during the transition period resulted in worse metabolic parameters, and a longer interruption period was correlated with poorer outcomes. GH treatment should be resumed early in patients with CO-GHD during the transition period.

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Review Article
Calcium & Bone Metabolism
Discontinuing Denosumab: Can It Be Done Safely? A Review of the Literature
Wei Lin Tay, Donovan Tay
Endocrinol Metab. 2022;37(2):183-194.   Published online April 14, 2022
DOI: https://doi.org/10.3803/EnM.2021.1369
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  • 11 Web of Science
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AbstractAbstract PDFPubReader   ePub   
Denosumab, which has been approved for the treatment of osteoporosis since 2010, is a fully humanised monoclonal antibody against a cytokine, receptor activator of nuclear factor kappa B ligand (RANKL), involved in bone resorption. Continued use of denosumab results in a potent and sustained decrease in bone turnover, an increase in bone mineral density (BMD), and a reduction in vertebral and hip fractures. The anti-resorptive effects of denosumab are reversible upon cessation, and this reversal is accompanied by a transient marked increase in bone turnover that is associated with bone loss, and of concern, an increased risk of multiple vertebral fractures. In this review, we outline the effects of denosumab withdrawal on bone turnover markers, BMD, histomorphometry, and fracture risk. We provide an update on recent clinical trials that sought to answer how clinicians can transition away from denosumab safely with follow-on therapy to mitigate bone loss and summarise the recommendations of various international guidelines.

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Close layer
Original Articles
Calcium & Bone Metabolism
Big Data Articles (National Health Insurance Service Database)
10-Year Fracture Risk in Postmenopausal Women with Osteopenia and Osteoporosis in South Korea
Yeon-Hee Baek, Sun Wook Cho, Han Eol Jeong, Ju Hwan Kim, Yunji Hwang, Jeffrey L. Lange, Ju-Young Shin
Endocrinol Metab. 2021;36(6):1178-1188.   Published online December 16, 2021
DOI: https://doi.org/10.3803/EnM.2021.1215
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  • 15 Web of Science
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AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
In South Korea, women aged 66 years are eligible for complimentary bone mineral density (BMD) screening via the National Screening Program for Transitional Ages. We aimed to evaluate the 10-year fracture risk in women receiving BMD screening between January 2008 and December 2015.
Methods
BMD was classified as normal (T-score ≥–1.0 standard deviation [SD]), osteopenia (T-score <–1.0 SD and >–2.5 SD), and osteoporosis (T score ≤–2.5 SD) from dual-energy X-ray absorptiometry. Follow-up continued from the screening date until a diagnosis for clinical fragility fracture (including sites of the vertebrae, hip, pelvis, clavicle, humerus, forearm, wrist, lower leg, and ankle), censored at the earliest date of trauma, death, or December 2017; fracture was ascertained using diagnostic codes from the National Health Insurance Service database. A multivariable Cox proportional hazard model was used to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) for the risk of fracture in women with osteopenia or osteoporosis relative to women with normal BMD.
Results
Among the 271,197 women screened, 44.0% had osteopenia and 35.2% had osteoporosis. The 10 year cumulative incidence of fragility fractures was 31.1%, 37.5%, and 44.3% in women with normal BMD, osteopenia, and osteoporosis, respectively. Fracture risk was higher in women with osteopenia (HR, 1.31; 95% CI, 1.28 to 1.34) and osteoporosis (HR, 1.68; 95% CI, 1.64 to 1.72) than in women with normal BMD.
Conclusion
Women with osteopenia and women with osteoporosis, identified by the national BMD screening program, demonstrated a substantially elevated risk of fracture.

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    Jeonghoon Ha
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Close layer
Calcium & Bone Metabolism
Changes in Serum Dickkopf-1, RANK Ligand, Osteoprotegerin, and Bone Mineral Density after Allogeneic Hematopoietic Stem Cell Transplantation Treatment
Eunhee Jang, Jeonghoon Ha, Ki-Hyun Baek, Moo Il Kang
Endocrinol Metab. 2021;36(6):1211-1218.   Published online December 8, 2021
DOI: https://doi.org/10.3803/EnM.2021.1248
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  • 113 Download
  • 2 Web of Science
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AbstractAbstract PDFPubReader   ePub   
Background
Dickkopf-1 (DKK1) regulates bone formation by inhibiting canonical Wnt/β-catenin pathway signaling, and indirectly enhances osteoclastic activity by altering the expression ratio of receptor activator of nuclear factor-κB ligand (RANKL) relative to osteoprotegerin (OPG). However, it is difficult to explain continued bone loss after allogeneic stem cell transplantation (allo-SCT) in terms of changes in only RANKL and OPG. Few studies have evaluated changes in DKK1 after allo-SCT.
Methods
We prospectively enrolled 36 patients with hematologic malignancies who were scheduled for allo-SCT treatment. Serum DKK1, OPG, and RANKL levels were measured before (baseline), and at 1, 4, 12, 24, and 48 weeks after allo-SCT treatment. Bone mineral density (BMD) was assessed using dual-energy X-ray absorptiometry before (baseline) and 24 and 48 weeks after allo-SCT treatment.
Results
After allo-SCT treatment, the DKK1 level decreased rapidly, returned to baseline during the first 4 weeks, and remained elevated for 48 weeks (P<0.0001 for changes observed over time). The serum RANKL/OPG ratio peaked at 4 weeks and then declined (P<0.001 for changes observed over time). BMD decreased relative to the baseline at all timepoints during the study period, and the lumbar spine in female patients had the largest decline (–11.3%±1.6% relative to the baseline at 48 weeks, P<0.05).
Conclusion
Serum DKK1 levels rapidly decreased at 1 week and then continued to increase for 48 weeks; bone mass decreased for 48 weeks following engraftment in patients treated with allo-SCT, suggesting that DKK1-mediated inhibition of osteoblast differentiation plays a role in bone loss in patients undergoing allo-SCT.

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  • Pharmacological modes of plant-derived compounds for targeting inflammation in rheumatoid arthritis: A comprehensive review on immunomodulatory perspective
    Laiba Nazakat, Shaukat Ali, Muhammad Summer, Fakiha Nazakat, Shehzeen Noor, Anfah Riaz
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Close layer
Bone Metabolism
Comparison of the Effects of Various Antidiabetic Medication on Bone Mineral Density in Patients with Type 2 Diabetes Mellitus
Jeonghoon Ha, Yejee Lim, Mee Kyoung Kim, Hyuk-Sang Kwon, Ki-Ho Song, Seung Hyun Ko, Moo Il Kang, Sung Dae Moon, Ki-Hyun Baek
Endocrinol Metab. 2021;36(4):895-903.   Published online August 9, 2021
DOI: https://doi.org/10.3803/EnM.2021.1026
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  • 8 Web of Science
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AbstractAbstract PDFPubReader   ePub   
Background
Prospective comparative studies on the effects of various antidiabetic agents on bone metabolism are limited. This study aimed to assess changes in bone mass and biochemical bone markers in postmenopausal patients with type 2 diabetes mellitus (T2DM).
Methods
This prospective, multicenter, open-label, comparative trial included 264 patients with T2DM. Patients who had received a metformin, or sulfonylurea/metformin combination (Group 1); a thiazolidinedione combination (Group 2); a dipeptidyl peptidase-4 inhibitor (gemigliptin) combination (Group 3); or an sodium-glucose cotransporter 2 inhibitor (empagliflozin) combination (Group 4) were prospectively treated for 12 months; bone mineral density (BMD) and bone turnover marker (BTM) changes were evaluated.
Results
The femoral neck BMD percentage changes were −0.79%±2.86% (Group 1), −2.50%±3.08% (Group 2), −1.05%±2.74% (Group 3), and −1.24%±2.91% (Group 4) (P<0.05). The total hip BMD percentage changes were −0.57%±1.79% (Group 1), −1.74%±1.48% (Group 2), −0.75%±1.87% (Group 3), and −1.27%±1.72% (Group 4) (P<0.05). Mean serum BTM (C-terminal type 1 collagen telopeptide and procollagen type 1 amino-terminal propeptide) levels measured during the study period did not change over time or differ between groups.
Conclusion
Significant bone loss in the femoral neck and total hip was associated with thiazolidinedione combination regimens. However, bone loss was not significantly associated with combination regimens including gemigliptin or empagliflozin. Caution should be exercised during treatment with antidiabetic medications that adversely affect the bone in patients with diabetes at a high risk of bone loss.

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Close layer
Clinical Study
Romosozumab in Postmenopausal Korean Women with Osteoporosis: A Randomized, Double-Blind, Placebo-Controlled Efficacy and Safety Study
Ki-Hyun Baek, Yoon-Sok Chung, Jung-Min Koh, In Joo Kim, Kyoung Min Kim, Yong-Ki Min, Ki Deok Park, Rajani Dinavahi, Judy Maddox, Wenjing Yang, Sooa Kim, Sang Jin Lee, Hyungjin Cho, Sung-Kil Lim
Endocrinol Metab. 2021;36(1):60-69.   Published online February 24, 2021
DOI: https://doi.org/10.3803/EnM.2020.848
  • 9,262 View
  • 445 Download
  • 13 Web of Science
  • 16 Crossref
AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
This phase 3 study evaluated the efficacy and safety of 6-month treatment with romosozumab in Korean postmenopausal women with osteoporosis.
Methods
Sixty-seven postmenopausal women with osteoporosis (bone mineral density [BMD] T-scores ≤–2.5 at the lumbar spine, total hip, or femoral neck) were randomized (1:1) to receive monthly subcutaneous injections of romosozumab (210 mg; n=34) or placebo (n=33) for 6 months.
Results
At month 6, the difference in the least square (LS) mean percent change from baseline in lumbar spine BMD (primary efficacy endpoint) between the romosozumab (9.5%) and placebo (–0.1%) groups was significant (9.6%; 95% confidence interval, 7.6 to 11.5; P<0.001). The difference in the LS mean percent change from baseline was also significant for total hip and femoral neck BMD (secondary efficacy endpoints). After treatment with romosozumab, the percent change from baseline in procollagen type 1 N-terminal propeptide transiently increased at months 1 and 3, while that in C-terminal telopeptide of type 1 collagen showed a sustained decrease. No events of cancer, hypocalcemia, injection site reaction, positively adjudicated atypical femoral fracture or osteonecrosis of the jaw, or positively adjudicated serious cardiovascular adverse events were observed. At month 9, 17.6% and 2.9% of patients in the romosozumab group developed binding and neutralizing antibodies, respectively.
Conclusion
Treatment with romosozumab for 6 months was well tolerated and significantly increased lumbar spine, total hip, and femoral neck BMD compared with placebo in Korean postmenopausal women with osteoporosis (ClinicalTrials.gov identifier NCT02791516).

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