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Ali M, Kim YS. A comprehensive review and advanced biomolecule-based therapies for osteoporosis. J Adv Res 2024:S2090-1232(24)00215-7. [PMID: 38810908 DOI: 10.1016/j.jare.2024.05.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/22/2024] [Accepted: 05/23/2024] [Indexed: 05/31/2024] Open
Abstract
BACKGROUND The prevalence of osteoporosis (OP) on a global scale is significantly elevated that causes life threatening issues. The potential of groundbreaking biomolecular therapeutics in the field of OP is highly encouraging. The administration of biomolecular agents has the potential to mitigate the process of bone demineralization while concurrently augmenting the regenerative capacity of bone tissue, thereby facilitating a personalized therapeutic approach. Biomolecules-based therapies showed promising results in term of bone mass protection and restoration in OP. AIM OF REVIEW We summarized the recent biomolecular therapies with notable progress in clinical, demonstrating the potential to transform illness management. These treatments frequently utilize different biomolecule based strategies. Biomolecular therapeutics has a targeted character, which results in heightened specificity and less off-target effects, ultimately leading to increased patient outcomes. These aspects have the capacity to greatly enhance the management of OP, thus resulting in a major enhancement in the quality of life encountered by individuals affected by this condition.
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Affiliation(s)
- Maqsood Ali
- Department of Microbiology, College of Medicine, Soonchunhyang University, Cheonan, Chungnam 31151, Republic of Korea
| | - Yong-Sik Kim
- Department of Microbiology, College of Medicine, Soonchunhyang University, Cheonan, Chungnam 31151, Republic of Korea; Institute of Tissue Regeneration, College of Medicine, Soonchunhyang University, Cheonan, Chungnam 31151, Republic of Korea.
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2
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Fassio A, Gatti D, Biffi A, Ronco R, Porcu G, Adami G, Alvaro R, Bogini R, Caputi AP, Cianferotti L, Frediani B, Gonnelli S, Iolascon G, Lenzi A, Leone S, Michieli R, Migliaccio S, Nicoletti T, Paoletta M, Pennini A, Piccirilli E, Rossini M, Brandi ML, Corrao G, Tarantino U. The sequential antifracturative treatment: a meta-analysis of randomized clinical trials. Ther Adv Musculoskelet Dis 2024; 16:1759720X241234584. [PMID: 38654732 PMCID: PMC11036926 DOI: 10.1177/1759720x241234584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 02/02/2024] [Indexed: 04/26/2024] Open
Abstract
Background Subjects with a fragility fracture have an increased risk of a new fracture and should receive effective strategies to prevent new events. The medium-term to long-term strategy should be scheduled by considering the mechanisms of action in therapy and the estimated fracture risk. Objective A systematic review was conducted to evaluate the sequential strategy in patients with or at risk of a fragility fracture in the context of the development of the Italian Guidelines. Design Systematic review and meta-analysis. Data sources and methods PubMed, Embase, and the Cochrane Library were investigated up to February 2021 to update the search of a recent systematic review. Randomized clinical trials (RCTs) that analyzed the sequential therapy of antiresorptive, anabolic treatment, or placebo in patients with or at risk of a fragility fracture were eligible. Three authors independently extracted data and appraised the risk of bias in the included studies. The quality of evidence was assessed using the Grading of Recommendations Assessment, Development, and Evaluation methodology. Effect sizes were pooled in a meta-analysis using fixed-effects models. The primary outcome was the risk of refracture, while the secondary outcome was the bone mineral density (BMD) change. Results In all, 17 RCTs, ranging from low to high quality, met our inclusion criteria. A significantly reduced risk of fracture was detected at (i) 12 or 24 months after the switch from romosozumab to denosumab versus placebo to denosumab; (ii) 30 months from teriparatide to bisphosphonates versus placebo to bisphosphonates; and (iii) 12 months from romosozumab to alendronate versus the only alendronate therapy (specifically for vertebral fractures). In general, at 2 years after the switch from anabolic to antiresorptive drugs, a weighted BMD was increased at the lumbar spine, total hip, and femoral neck site. Conclusion The Task Force formulated recommendations on sequential therapy, which is the first treatment with anabolic drugs or 'bone builders' in patients with very high or imminent risk of fracture.
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Affiliation(s)
- Angelo Fassio
- Rheumatology Unit, University of Verona, Piazzale A Scuro, Policlinico GB Rossi, Verona 37134, Italy
| | - Davide Gatti
- Rheumatology Unit, University of Verona, Verona, Italy
| | - Annalisa Biffi
- Department of Statistics and Quantitative Methods, National Centre for Healthcare Research and Pharmacoepidemiology, University of Milano–Bicocca, Milan, Italy
- Unit of Biostatistics, Epidemiology, and Public Health, Department of Statistics and Quantitative Methods, University of Milano–Bicocca, Milan, Italy
| | - Raffaella Ronco
- Department of Statistics and Quantitative Methods, National Centre for Healthcare Research and Pharmacoepidemiology, University of Milano–Bicocca, Milan, Italy
- Unit of Biostatistics, Epidemiology, and Public Health, Department of Statistics and Quantitative Methods, University of Milano–Bicocca, Milan, Italy
| | - Gloria Porcu
- Department of Statistics and Quantitative Methods, National Centre for Healthcare Research and Pharmacoepidemiology, University of Milano–Bicocca, Milan, Italy
- Unit of Biostatistics, Epidemiology, and Public Health, Department of Statistics and Quantitative Methods, University of Milano–Bicocca, Milan, Italy
| | | | - Rosaria Alvaro
- Department of Biomedicine and Prevention, University of Rome ‘Tor Vergata’, Rome, Italy
| | | | - Achille P. Caputi
- Department of Pharmacology, School of Medicine, University of Messina, Messina, Italy
| | | | - Bruno Frediani
- Rheumatology Unit, Department of Medicine, Surgery and Neurosciences, Azienda Ospedaliero-Universitaria Senese, University of Siena, Siena, Italy
| | - Stefano Gonnelli
- Department of Medicine, Surgery and Neuroscience, Policlinico Le Scotte, University of Siena, Siena, Italy
| | - Giovanni Iolascon
- Department of Medical and Surgical Specialties and Dentistry, University of Campania ‘Luigi Vanvitelli’, Naples, Italy
| | - Andrea Lenzi
- Department of Experimental Medicine, Sapienza University of Rome, Viale del Policlinico, Rome, Italy
| | - Salvatore Leone
- AMICI Onlus, Associazione Nazionale per le Malattie Infiammatorie Croniche dell’Intestino, Milan, Italy
| | | | - Silvia Migliaccio
- Department of Movement, Human and Health Sciences, Foro Italico University, Rome, Italy
| | - Tiziana Nicoletti
- Coordinamento Nazionale delle Associazioni dei Malati Cronici e rari di Cittadinanzattiva, Rome, Italy
| | - Marco Paoletta
- Department of Medical and Surgical Specialties and Dentistry, University of Campania ‘Luigi Vanvitelli’, Naples, Italy
| | - Annalisa Pennini
- Department of Biomedicine and Prevention, University of Rome ‘Tor Vergata’, Rome, Italy
| | - Eleonora Piccirilli
- Department of Clinical Sciences and Translational Medicine, University of Rome ‘Tor Vergata’, Rome, Italy
- Department of Orthopedics and Traumatology, ‘Policlinico Tor Vergata’ Foundation, Rome, Italy
| | | | | | - Giovanni Corrao
- Department of Statistics and Quantitative Methods, National Centre for Healthcare Research and Pharmacoepidemiology, University of Milano–Bicocca, Milan, Italy
- Unit of Biostatistics, Epidemiology, and Public Health, Department of Statistics and Quantitative Methods, University of Milano–Bicocca, Milan, Italy
| | - Umberto Tarantino
- Department of Clinical Sciences and Translational Medicine, University of Rome ‘Tor Vergata’, Rome, Italy
- Department of Orthopedics and Traumatology, ‘Policlinico Tor Vergata’ Foundation, Rome, Italy
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Zhang YY, Xie N, Sun XD, Nice EC, Liou YC, Huang C, Zhu H, Shen Z. Insights and implications of sexual dimorphism in osteoporosis. Bone Res 2024; 12:8. [PMID: 38368422 PMCID: PMC10874461 DOI: 10.1038/s41413-023-00306-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 11/04/2023] [Accepted: 11/27/2023] [Indexed: 02/19/2024] Open
Abstract
Osteoporosis, a metabolic bone disease characterized by low bone mineral density and deterioration of bone microarchitecture, has led to a high risk of fatal osteoporotic fractures worldwide. Accumulating evidence has revealed that sexual dimorphism is a notable feature of osteoporosis, with sex-specific differences in epidemiology and pathogenesis. Specifically, females are more susceptible than males to osteoporosis, while males are more prone to disability or death from the disease. To date, sex chromosome abnormalities and steroid hormones have been proven to contribute greatly to sexual dimorphism in osteoporosis by regulating the functions of bone cells. Understanding the sex-specific differences in osteoporosis and its related complications is essential for improving treatment strategies tailored to women and men. This literature review focuses on the mechanisms underlying sexual dimorphism in osteoporosis, mainly in a population of aging patients, chronic glucocorticoid administration, and diabetes. Moreover, we highlight the implications of sexual dimorphism for developing therapeutics and preventive strategies and screening approaches tailored to women and men. Additionally, the challenges in translating bench research to bedside treatments and future directions to overcome these obstacles will be discussed.
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Affiliation(s)
- Yuan-Yuan Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Na Xie
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, 610041, China
| | - Xiao-Dong Sun
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, 610041, China
| | - Edouard C Nice
- Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC, 3800, Australia
| | - Yih-Cherng Liou
- Department of Biological Sciences, Faculty of Science, National University of Singapore, Singapore, 117543, Republic of Singapore
| | - Canhua Huang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, 610041, China
| | - Huili Zhu
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of Ministry of Education, Department of Reproductive Medicine, West China Second University Hospital of Sichuan University, Chengdu, China.
| | - Zhisen Shen
- Department of Otorhinolaryngology and Head and Neck Surgery, The Affiliated Lihuili Hospital, Ningbo University, 315040, Ningbo, Zhejiang, China.
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Kong M, Gao C, Luan X, Fan C, Hao M, Jin C, Zhao J, Li H, Zhao J, Luan J, Lin Y, Li Q. Analyzing the factors associated with efficacy among teriparatide treatment in postmenopausal women with osteoporosis. BMC Musculoskelet Disord 2024; 25:109. [PMID: 38310278 PMCID: PMC10837964 DOI: 10.1186/s12891-024-07227-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 01/23/2024] [Indexed: 02/05/2024] Open
Abstract
BACKGROUND Teriparatide (TPTD) is a widely used anabolic agent for the treatment of osteoporosis. Several factors have been identified to be related to bone mineral density (BMD) increase in anti-osteoporosis treatment with other agents; however, there has been no systematic analysis to summarize the associated determinants of BMD reaction to daily teriparatide treatment. METHODS In this retrospective study, we performed a comprehensive investigation involving not only clinical data but also several relevant lifestyle factors to be examined for their potential contribution to BMD response. This post-hoc analysis included 258 post-menopaused patients with osteoporosis who received TPTD at 20 µg/day for 12 months. Univariate and multivariate analyses were conducted to distinguish the response variables of lumbar spine (LS) BMD transformation, the principal outcome measure of efficacy, from the baseline at 12 months. RESULTS Twelve months of TPTD treatment resulted in an absolute 0.39 ± 0.37 increase in T-score of LS BMD. Gastrointestinal disease, prior bisphosphonate or glucocorticoid treatment, no vitamin K2 supplementation, low levels of serum 25(OH)D and PINP, weak increment of PINP and β-CTX at 3 months, unhealthy lifestyle (excessive smoking, tea, coffee, and drinking), vegetarian diet pattern, low ALT level, and high BMD at baseline were determined by univariate analyses to be related to the weak reaction of TPTD treatment (P < 0.10). In the multiple regression model, postmenopausal women with vitamin K2 supplementation, higher baseline serum 25(OH)D level, and higher PINP concentration at 3 months indicated a good reaction of LS BMD at 12 months (P < 0.05). Patients with gastrointestinal disease, prior bisphosphonate and glucocorticoid treatment, vegetarian diet pattern, and higher baseline BMD were significantly more likely to have a lower absolute LS BMD response compared to patients without these characteristics (P < 0.05). Further analysis confirmed the negative effect of unhealthy lifestyle on TPTD treatment. CONCLUSION Our results emphasize the significance of a comprehensive assessment of clinical or lifestyle-related characteristics of postmenopausal women with osteoporosis in the management of TPTD therapy in routine care.
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Affiliation(s)
- Meng Kong
- Department of Spine Surgery, Qingdao Municipal Hospital, No. 5, Middle Dong Hai Road, Qing'dao, 266000, Shandong Province, China
| | - Changtong Gao
- Department of Oncology, Qingdao Municipal Hospital, No. 1, Jiao Zhou Road, Qing'dao, 266000, Shandong Province, China
| | - Xiaona Luan
- Department of Spine Surgery, Qingdao Municipal Hospital, No. 5, Middle Dong Hai Road, Qing'dao, 266000, Shandong Province, China
| | - Cuiying Fan
- Department of General Surgery, Ankang Hospital of Shandong Province, No. 1, Ji Dai Road, Ji'ning, 272000, Shandong Province, China
| | - Meng Hao
- Department of Spine Surgery, Qingdao Municipal Hospital, No. 5, Middle Dong Hai Road, Qing'dao, 266000, Shandong Province, China
| | - Canghai Jin
- Department of Spine Surgery, Qingdao Municipal Hospital, No. 5, Middle Dong Hai Road, Qing'dao, 266000, Shandong Province, China
| | - Jiangning Zhao
- Department of Spine Surgery, Qingdao Municipal Hospital, No. 5, Middle Dong Hai Road, Qing'dao, 266000, Shandong Province, China
| | - Hongyan Li
- Department of Spine Surgery, Qingdao Municipal Hospital, No. 5, Middle Dong Hai Road, Qing'dao, 266000, Shandong Province, China
| | - Jindong Zhao
- Department of Spine Surgery, Qingdao Municipal Hospital, No. 5, Middle Dong Hai Road, Qing'dao, 266000, Shandong Province, China
| | - Jian Luan
- Department of Spine Surgery, Qingdao Municipal Hospital, No. 5, Middle Dong Hai Road, Qing'dao, 266000, Shandong Province, China
| | - Yong Lin
- Department of Spine Surgery, Qingdao Municipal Hospital, No. 5, Middle Dong Hai Road, Qing'dao, 266000, Shandong Province, China.
| | - Qiang Li
- Department of Spine Surgery, Qingdao Municipal Hospital, No. 5, Middle Dong Hai Road, Qing'dao, 266000, Shandong Province, China.
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Li C, Lin X, Lin Q, Lin Y, Lin H. Jiangu granules ameliorate postmenopausal osteoporosis via rectifying bone homeostasis imbalance: A network pharmacology analysis based on multi-omics validation. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 122:155137. [PMID: 37856991 DOI: 10.1016/j.phymed.2023.155137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 09/23/2023] [Accepted: 10/04/2023] [Indexed: 10/21/2023]
Abstract
BACKGROUND Postmenopausal osteoporosis (PMOP) is a series of reactions to bone homeostasis dysregulation mediated by estrogen deficiency in elderly women. Jiangu granules, a traditional Chinese medicine formula, has been proven as an effective treatment approach for PMOP, which still needs more research iin its complex regulatory mechanisms. PURPOSE Our study aimed to identify the putative targets and regulatory mechanisms of Jiangu granules in PMOP treating. METHODS We utilized the NHANES database to compare the clinical information of normal population and PMOP patients. Associated with transcriptomics and proteomic data, we identified the PMOP-related genes, and further studied them with bioinformatic methods including and prognosis model. Network pharmacology was applied for confirming the action targets of Jiangu granules in PMOP. We verified the safety and effectiveness in PMOP treatments of Jiangu granules, and also demonstrated our hypothesis in rats. RESULTS We discovered that the PMOP patients had higher monocytes than the normal women. Moreover, the transcriptomics and proteomic analysis suggested that the dysregulation of PMOP-related genes expression was associated with monocytes, and the Notch pathway were the critical targets representing bone homeostasis imbalance highly involved in the occurrence of PMOP. We also ascertained network pharmacology results further revealing that Jiangu granules might treat PMOP via recovering the bone homeostasis imbalance identified above. In vivo experiments, we confirmed the high efficacy which mainly resulted from function in mitigating the imbalance in bone homeostasis by recovering the normal expression of PMOP-related genes associated with monocytes, Notch, and steroid pathway in the rat models. CONCLUSION Our finding underscored the clinical potential of Jiangu granules in treating PMOP, and enriched the comprehension of the related pathogenic and therapeutic mechanisms.
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Affiliation(s)
- Chaoxiong Li
- Department of Orthopedics, Fuzhou Second Hospital, Fuzhou, China; Fujian Provincial Clinical Medical Research Center for First Aid and Rehabilitation in Orthopaedic Trauma(2020Y2014), Fuzhou, China; The Third Clinical Medical College, Fujian Medical University, Fuzhou, China
| | - Xiangquan Lin
- Department of Orthopedics, Fuzhou Second Hospital, Fuzhou, China; Fujian Provincial Clinical Medical Research Center for First Aid and Rehabilitation in Orthopaedic Trauma(2020Y2014), Fuzhou, China; The Third Clinical Medical College, Fujian Medical University, Fuzhou, China
| | - Qin Lin
- Department of Orthopedics, Fuzhou Second Hospital, Fuzhou, China; Fujian Provincial Clinical Medical Research Center for First Aid and Rehabilitation in Orthopaedic Trauma(2020Y2014), Fuzhou, China; The Third Clinical Medical College, Fujian Medical University, Fuzhou, China
| | - Yanping Lin
- College of Acupuncture and Moxibustion, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Haiming Lin
- College of Integrated Chinese and Western Medicine, Fujian University of Traditional Chinese Medicine, 1st Qiuyang Road, Shangjie Town, Minhou County, Fuzhou, Fujian, China.
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Carletti A, Gavaia PJ, Cancela ML, Laizé V. Metabolic bone disorders and the promise of marine osteoactive compounds. Cell Mol Life Sci 2023; 81:11. [PMID: 38117357 PMCID: PMC10733242 DOI: 10.1007/s00018-023-05033-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 10/12/2023] [Accepted: 11/05/2023] [Indexed: 12/21/2023]
Abstract
Metabolic bone disorders and associated fragility fractures are major causes of disability and mortality worldwide and place an important financial burden on the global health systems. These disorders result from an unbalance between bone anabolic and resorptive processes and are characterized by different pathophysiological mechanisms. Drugs are available to treat bone metabolic pathologies, but they are either poorly effective or associated with undesired side effects that limit their use. The molecular mechanism underlying the most common metabolic bone disorders, and the availability, efficacy, and limitations of therapeutic options currently available are discussed here. A source for the unmet need of novel drugs to treat metabolic bone disorders is marine organisms, which produce natural osteoactive compounds of high pharmaceutical potential. In this review, we have inventoried the marine osteoactive compounds (MOCs) currently identified and spotted the groups of marine organisms with potential for MOC production. Finally, we briefly examine the availability of in vivo screening and validation tools for the study of MOCs.
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Affiliation(s)
- Alessio Carletti
- Centre of Marine Sciences (CCMAR), University of Algarve, Faro, Portugal
- Faculty of Medicine and Biomedical Sciences (FMCB), University of Algarve, Faro, Portugal
- Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Paulo Jorge Gavaia
- Centre of Marine Sciences (CCMAR), University of Algarve, Faro, Portugal
- Faculty of Medicine and Biomedical Sciences (FMCB), University of Algarve, Faro, Portugal
- Associação Oceano Verde (GreenCoLab), Faro, Portugal
| | - Maria Leonor Cancela
- Centre of Marine Sciences (CCMAR), University of Algarve, Faro, Portugal
- Faculty of Medicine and Biomedical Sciences (FMCB), University of Algarve, Faro, Portugal
- Algarve Biomedical Center (ABC), University of Algarve, Faro, Portugal
| | - Vincent Laizé
- Centre of Marine Sciences (CCMAR), University of Algarve, Faro, Portugal.
- Collaborative Laboratory for Sustainable and Smart Aquaculture (S2AQUAcoLAB), Olhão, Portugal.
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Korff C, Atkinson E, Adaway M, Klunk A, Wek RC, Vashishth D, Wallace JM, Anderson-Baucum EK, Evans-Molina C, Robling AG, Bidwell JP. NMP4, an Arbiter of Bone Cell Secretory Capacity and Regulator of Skeletal Response to PTH Therapy. Calcif Tissue Int 2023; 113:110-125. [PMID: 37147466 PMCID: PMC10330242 DOI: 10.1007/s00223-023-01088-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 04/21/2023] [Indexed: 05/07/2023]
Abstract
The skeleton is a secretory organ, and the goal of some osteoporosis therapies is to maximize bone matrix output. Nmp4 encodes a novel transcription factor that regulates bone cell secretion as part of its functional repertoire. Loss of Nmp4 enhances bone response to osteoanabolic therapy, in part, by increasing the production and delivery of bone matrix. Nmp4 shares traits with scaling factors, which are transcription factors that influence the expression of hundreds of genes to govern proteome allocation for establishing secretory cell infrastructure and capacity. Nmp4 is expressed in all tissues and while global loss of this gene leads to no overt baseline phenotype, deletion of Nmp4 has broad tissue effects in mice challenged with certain stressors. In addition to an enhanced response to osteoporosis therapies, Nmp4-deficient mice are less sensitive to high fat diet-induced weight gain and insulin resistance, exhibit a reduced disease severity in response to influenza A virus (IAV) infection, and resist the development of some forms of rheumatoid arthritis. In this review, we present the current understanding of the mechanisms underlying Nmp4 regulation of the skeletal response to osteoanabolics, and we discuss how this unique gene contributes to the diverse phenotypes among different tissues and stresses. An emerging theme is that Nmp4 is important for the infrastructure and capacity of secretory cells that are critical for health and disease.
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Affiliation(s)
- Crystal Korff
- Department of Medical and Molecular Genetics, Indiana University School of Medicine (IUSM), Indianapolis, IN, 46202, USA
| | - Emily Atkinson
- Department of Anatomy, Cell Biology & Physiology, IUSM, Indianapolis, IN, 46202, USA
| | - Michele Adaway
- Department of Anatomy, Cell Biology & Physiology, IUSM, Indianapolis, IN, 46202, USA
| | - Angela Klunk
- Department of Anatomy, Cell Biology & Physiology, IUSM, Indianapolis, IN, 46202, USA
| | - Ronald C Wek
- Department of Biochemistry and Molecular Biology, IUSM, Indianapolis, IN, USA
| | - Deepak Vashishth
- Center for Biotechnology & Interdisciplinary Studies and Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Joseph M Wallace
- Department of Biomedical Engineering, Indiana University-Purdue University at Indianapolis, Indianapolis, IN, 46202, USA
- Indiana Center for Musculoskeletal Health, IUSM, Indianapolis, IN, USA
| | - Emily K Anderson-Baucum
- Department of Pediatrics and the Herman B Wells Center for Pediatric Research, IUSM, Indianapolis, IN, USA
| | - Carmella Evans-Molina
- Department of Pediatrics and the Herman B Wells Center for Pediatric Research, IUSM, Indianapolis, IN, USA
- Center for Diabetes and Metabolic Disease and the Wells Center for Pediatric Research, IUSM, Indianapolis, IN, USA
- Richard L. Roudebush VA Medical Center, Indianapolis, IN, 46202, USA
- Department of Medicine, IUSM, Indianapolis, IN, USA
| | - Alexander G Robling
- Department of Anatomy, Cell Biology & Physiology, IUSM, Indianapolis, IN, 46202, USA
- Indiana Center for Musculoskeletal Health, IUSM, Indianapolis, IN, USA
- Richard L. Roudebush VA Medical Center, Indianapolis, IN, 46202, USA
| | - Joseph P Bidwell
- Department of Anatomy, Cell Biology & Physiology, IUSM, Indianapolis, IN, 46202, USA.
- Indiana Center for Musculoskeletal Health, IUSM, Indianapolis, IN, USA.
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Castillo EJ, Jiron JM, Croft CS, Freehill DG, Castillo CM, Kura J, Yarrow JF, Bhattacharyya I, Kimmel DB, Aguirre JI. Intermittent parathyroid hormone enhances the healing of medication-related osteonecrosis of the jaw lesions in rice rats. Front Med (Lausanne) 2023; 10:1179350. [PMID: 37404809 PMCID: PMC10315582 DOI: 10.3389/fmed.2023.1179350] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Accepted: 05/26/2023] [Indexed: 07/06/2023] Open
Abstract
Medication-related osteonecrosis of the jaw (MRONJ) is a potentially severe adverse event in patients treated with antiresorptives. Management of MRONJ is challenging, and no non-antibiotic, established medical treatment exists. Intermittent parathyroid hormone (iPTH) has been used off-label to treat MRONJ with favorable results. However, its medical efficacy has rarely been substantiated in clinical or preclinical experiments. Using a validated rice rat, infection-based model of MRONJ, we evaluated the effects of iPTH on established MRONJ. We hypothesize that iPTH contributes to MRONJ resolution by enhancing alveolar bone turnover and healing oral soft tissues. Eighty-four rice rats began a standard rodent chow diet at age 4 weeks to induce localized periodontitis. Rats were simultaneously randomized to receive saline (vehicle, VEH) or zoledronic acid (ZOL, 80 μg/kg IV) every 4 weeks. Oral exams were conducted bi-weekly to assign a gross quadrant grade (GQG, 0-4) to evaluate any lesion at the lingual aspect of the interdental space between maxillary molar (M2) and M3. 14 of 20 VEH-treated rice rats (70%) developed maxillary localized periodontitis with GQG 2-3 after 30 ± 10 weeks of saline. Additionally, 40 of 64 ZOL-treated rice rats with periodontitis developed MRONJ-like lesions after 30 ± 10 weeks of ZOL treatment. Rice rats with localized periodontitis or MRONJ-like lesions were treated with saline or iPTH (40 μg/kg) subcutaneously (SC) 3 times/week For 6 weeks until euthanasia. We found that iPTH -treated ZOL rats had a lower prevalence of MRONJ (p < 0.001), with lower severity extent of oral lesions (p = 0.003) and percentage of empty osteocyte lacunae (p < 0.001). ZOL rats treated with iPTH displayed a higher osteoblast surface (p < 0.001), more osteoblasts (p < 0.001), higher osteoclast surface (p < 0.001) and more osteoclasts (p = 0.002) at alveolar bone surfaces than ZOL/VEH rats. Greater gingival epithelial thickness and epithelial cell proliferation rate was found in the oral mucosa and gingiva of ZOL/PTH rats than in ZOL/VEH rats (p < 0.001). Our data suggest that iPTH is an efficacious non-operative medicinal therapy that accelerates oral healing and enhances the resolution of MRONJ lesions in ZOL-treated rice rats.
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Affiliation(s)
- E. J. Castillo
- Department of Physiological Sciences, University of Florida, Gainesville, FL, United States
| | - J. M. Jiron
- Department of Physiological Sciences, University of Florida, Gainesville, FL, United States
| | - C. S. Croft
- Department of Physiological Sciences, University of Florida, Gainesville, FL, United States
| | - D. G. Freehill
- Department of Physiological Sciences, University of Florida, Gainesville, FL, United States
| | - C. M. Castillo
- Department of Physiological Sciences, University of Florida, Gainesville, FL, United States
| | - J. Kura
- VA Medical Center, Research Service, Gainesville, FL, United States
| | - J. F. Yarrow
- VA Medical Center, Research Service, Gainesville, FL, United States
| | - I. Bhattacharyya
- Department of Oral and Maxillofacial Diagnostic Sciences, College of Dentistry, University of Florida, Gainesville, FL, United States
| | - D. B. Kimmel
- Department of Physiological Sciences, University of Florida, Gainesville, FL, United States
| | - J. Ignacio Aguirre
- Department of Physiological Sciences, University of Florida, Gainesville, FL, United States
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Rios C, Maldonado G, Vargas S, González J, Vera C, Zuñiga A, Martínez J, Castillo M, Jervis R, Ventura R, Guevara S, Torres G, Uguña F, Messina OD, Neyro JL, Fernández D, Guerrero R, Moreno M. First Ecuadorian statement consensus for the evaluation and treatment of osteoporosis. Arch Osteoporos 2023; 18:81. [PMID: 37316765 DOI: 10.1007/s11657-023-01263-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 05/09/2023] [Indexed: 06/16/2023]
Abstract
Osteoporosis management has become more relevant as the life expectancy increases. In Ecuador, approximately 19% of adults over 65 years of age have been diagnosed with osteoporosis. There is no national consensus for the management and prevention of the disease being this proposal the first Ecuadorian consensus. INTRODUCTION In Ecuador, it is estimated that around 19% of adults over 65 years of age have osteoporosis. Due to the increase in life expectancy in the world population, the evaluation and management of osteoporosis has become more relevant. Currently, there is no national consensus for the management and prevention of the disease. The Ecuadorian Society of Rheumatology presented the project for the elaboration of the first Ecuadorian consensus for the management and prevention of osteoporosis. METHODS A panel of experts in multiple areas and extensive experience was invited to participate. The consensus was carried out using the Delphi method. Six working dimensions were created: definition and epidemiology of osteoporosis, fracture risk prediction tools, non-pharmacological treatment, pharmacological treatment, calcium and vitamin D, and glucocorticoid-induced osteoporosis. RESULTS The first round was held in December 2021, followed by the second round in February 2022 and the third round in March 2022. The data was shared with the specialists at the end of each round. After three rounds of work, a consensus was reached for the management and prevention of osteoporosis. CONCLUSION This is the first Ecuadorian consensus for the management and treatment of postmenopausal osteoporosis.
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Affiliation(s)
- Carlos Rios
- Ecuadorian Society of Rheumatology, Guayaquil, Ecuador
| | | | - Sara Vargas
- Ecuadorian Society of Rheumatology, Guayaquil, Ecuador
| | - José González
- Ecuadorian Society of Rheumatology, Guayaquil, Ecuador
| | - Claudia Vera
- Ecuadorian Society of Rheumatology, Guayaquil, Ecuador
| | - Andrés Zuñiga
- Ecuadorian Society of Rheumatology, Guayaquil, Ecuador
| | - José Martínez
- Ecuadorian Society of Rheumatology, Guayaquil, Ecuador
| | | | - Raúl Jervis
- Ecuadorian Society of Rheumatology, Guayaquil, Ecuador
| | - Rosa Ventura
- Ecuadorian Society of Rheumatology, Guayaquil, Ecuador
| | | | | | | | | | - José Luis Neyro
- Obstetrics and Gynecology Department, Cruces University Hospital, Vasco Country University EHU-UPV, Baracaldo Bizkaia, Spain
| | - Daniel Fernández
- Rheumatology Department, San Ignacio University Hospital, Bogota, Colombia
| | | | - Mario Moreno
- Ecuadorian Society of Rheumatology, Guayaquil, Ecuador
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10
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Corrao G, Biffi A, Porcu G, Ronco R, Adami G, Alvaro R, Bogini R, Caputi AP, Cianferotti L, Frediani B, Gatti D, Gonnelli S, Iolascon G, Lenzi A, Leone S, Michieli R, Migliaccio S, Nicoletti T, Paoletta M, Pennini A, Piccirilli E, Rossini M, Tarantino U, Brandi ML. Executive summary: Italian guidelines for diagnosis, risk stratification, and care continuity of fragility fractures 2021. Front Endocrinol (Lausanne) 2023; 14:1137671. [PMID: 37143730 PMCID: PMC10151776 DOI: 10.3389/fendo.2023.1137671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 03/27/2023] [Indexed: 05/06/2023] Open
Abstract
Background Fragility fractures are a major public health concern owing to their worrying and growing burden and their onerous burden upon health systems. There is now a substantial body of evidence that individuals who have already suffered a fragility fracture are at a greater risk for further fractures, thus suggesting the potential for secondary prevention in this field. Purpose This guideline aims to provide evidence-based recommendations for recognizing, stratifying the risk, treating, and managing patients with fragility fracture. This is a summary version of the full Italian guideline. Methods The Italian Fragility Fracture Team appointed by the Italian National Health Institute was employed from January 2020 to February 2021 to (i) identify previously published systematic reviews and guidelines on the field, (ii) formulate relevant clinical questions, (iii) systematically review literature and summarize evidence, (iv) draft the Evidence to Decision Framework, and (v) formulate recommendations. Results Overall, 351 original papers were included in our systematic review to answer six clinical questions. Recommendations were categorized into issues concerning (i) frailty recognition as the cause of bone fracture, (ii) (re)fracture risk assessment, for prioritizing interventions, and (iii) treatment and management of patients experiencing fragility fractures. Six recommendations were overall developed, of which one, four, and one were of high, moderate, and low quality, respectively. Conclusions The current guidelines provide guidance to support individualized management of patients experiencing non-traumatic bone fracture to benefit from secondary prevention of (re)fracture. Although our recommendations are based on the best available evidence, questionable quality evidence is still available for some relevant clinical questions, so future research has the potential to reduce uncertainty about the effects of intervention and the reasons for doing so at a reasonable cost.
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Affiliation(s)
- Giovanni Corrao
- National Centre for Healthcare Research and Pharmacoepidemiology, Laboratory of the University of Milano-Bicocca, Milan, Italy
- Department of Statistics and Quantitative Methods, Unit of Biostatistics, Epidemiology, and Public Health, University of Milano-Bicocca, Milan, Italy
- *Correspondence: Giovanni Corrao, ; Maria Luisa Brandi,
| | - Annalisa Biffi
- National Centre for Healthcare Research and Pharmacoepidemiology, Laboratory of the University of Milano-Bicocca, Milan, Italy
- Department of Statistics and Quantitative Methods, Unit of Biostatistics, Epidemiology, and Public Health, University of Milano-Bicocca, Milan, Italy
| | - Gloria Porcu
- National Centre for Healthcare Research and Pharmacoepidemiology, Laboratory of the University of Milano-Bicocca, Milan, Italy
- Department of Statistics and Quantitative Methods, Unit of Biostatistics, Epidemiology, and Public Health, University of Milano-Bicocca, Milan, Italy
| | - Raffaella Ronco
- National Centre for Healthcare Research and Pharmacoepidemiology, Laboratory of the University of Milano-Bicocca, Milan, Italy
- Department of Statistics and Quantitative Methods, Unit of Biostatistics, Epidemiology, and Public Health, University of Milano-Bicocca, Milan, Italy
| | | | - Rosaria Alvaro
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | | | | | - Luisella Cianferotti
- Italian Bone Disease Research Foundation, Fondazione Italiana Ricerca sulle Malattie dell’Osso (FIRMO), Florence, Italy
| | - Bruno Frediani
- Department of Medicine, Surgery and Neurosciences, Rheumatology Unit, University of Siena, Azienda Ospedaliero-Universitaria Senese, Siena, Italy
| | - Davide Gatti
- Rheumatology Unit, University of Verona, Verona, Italy
| | - Stefano Gonnelli
- Department of Medicine, Surgery and Neuroscience, Policlinico Le Scotte, University of Siena, Siena, Italy
| | - Giovanni Iolascon
- Department of Medical and Surgical Specialties and Dentistry, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Andrea Lenzi
- Department of Experimental Medicine, Sapienza University of Rome, Viale del Policlinico, Rome, Italy
| | - Salvatore Leone
- AMICI Onlus, Associazione Nazionale per le Malattie Infiammatorie Croniche dell’Intestino, Milan, Italy
| | - Raffaella Michieli
- Italian Society of General Medicine and Primary Care Società Italiana di Medicina Generale e delle cure primarie (SIMG), Florence, Italy
| | - Silvia Migliaccio
- Department of Movement, Human and Health Sciences, Foro Italico University, Rome, Italy
| | - Tiziana Nicoletti
- CnAMC, Coordinamento nazionale delle Associazioni dei Malati Cronici e rari di Cittadinanzattiva, Rome, Italy
| | - Marco Paoletta
- Department of Medical and Surgical Specialties and Dentistry, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Annalisa Pennini
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - Eleonora Piccirilli
- Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata”, Rome, Italy
- Department of Orthopedics and Traumatology, “Policlinico Tor Vergata” Foundation, Rome, Italy
| | | | - Umberto Tarantino
- Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata”, Rome, Italy
- Department of Orthopedics and Traumatology, “Policlinico Tor Vergata” Foundation, Rome, Italy
| | - Maria Luisa Brandi
- Italian Bone Disease Research Foundation, Fondazione Italiana Ricerca sulle Malattie dell’Osso (FIRMO), Florence, Italy
- *Correspondence: Giovanni Corrao, ; Maria Luisa Brandi,
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11
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Liang B, Burley G, Lin S, Shi YC. Osteoporosis pathogenesis and treatment: existing and emerging avenues. Cell Mol Biol Lett 2022; 27:72. [PMID: 36058940 PMCID: PMC9441049 DOI: 10.1186/s11658-022-00371-3] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Accepted: 08/09/2022] [Indexed: 11/10/2022] Open
Abstract
AbstractOsteoporotic fractures lead to increased disability and mortality in the elderly population. With the rapid increase in the aging population around the globe, more effective treatments for osteoporosis and osteoporotic fractures are urgently required. The underlying molecular mechanisms of osteoporosis are believed to be due to the increased activity of osteoclasts, decreased activity of osteoblasts, or both, which leads to an imbalance in the bone remodeling process with accelerated bone resorption and attenuated bone formation. Currently, the available clinical treatments for osteoporosis have mostly focused on factors influencing bone remodeling; however, they have their own limitations and side effects. Recently, cytokine immunotherapy, gene therapy, and stem cell therapy have become new approaches for the treatment of various diseases. This article reviews the latest research on bone remodeling mechanisms, as well as how this underpins current and potential novel treatments for osteoporosis.
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12
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Lin H, Zhang W, Xu Y, You Z, Zheng M, Liu Z, Li C. 4D label-free quantitative proteomics analysis to screen potential drug targets of Jiangu Granules treatment for postmenopausal osteoporotic rats. Front Pharmacol 2022; 13:1052922. [PMID: 36386173 PMCID: PMC9663813 DOI: 10.3389/fphar.2022.1052922] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 10/21/2022] [Indexed: 01/24/2023] Open
Abstract
Background: Postmenopausal osteoporosis (PMOP) is a disease with a high prevalence in postmenopausal women and is characterized by an imbalance in bone metabolism, reduced bone mass, and increased risk of fracture due to estrogen deficiency. Jiangu granules (JG) is a compound prescription used in traditional Chinese medicine to treat PMOP. However, its definitive mechanism in PMOP is unclear. This study used a 4D label-free quantitative proteomics method to explore the potential therapeutic mechanism of JG in an ovariectomy (OVX) rats' model. Materials and methods: A rat model of PMOP was established by removing the ovaries bilaterally. Nine 3-month-old specific-pathogen-free female SD rats. The nine rats were randomly divided into 3 groups (n = 3 in each group): the sham-operated group (J), the ovariectomy group (NC), and the JG treatment (ZY) group. Proteins extracted from the bone tissue of the lumbar spine (L3, L4) of three groups of rats were analyzed by 4D label-free quantitative proteomics, and proteins differentially expressed after JG treatment and proteins differentially expressed after de-ovulation were intersected to identify proteins associated with the mechanism of PMOP by JG treatment. Result: There were 104 up-regulated and 153 down-regulated differentially expressed proteins (DEPs) in the J group vs. NC group, 107 up-regulated and 113 down-regulated DEPs in the J group vs. ZY group, and 15 up-regulated and 32 down-regulated DEPs in the NC group vs. ZY group. Six potential target proteins for JG regulation of osteoblast differentiation in OVX rats were identified by taking intersections of differential proteins in the J group vs. NC group and NC group vs. ZY group. Conclusion: JG may exert therapeutic effects by modulating the expression levels of target proteins associated with osteoblast differentiation to enhance osteoblast differentiation in OVX rats. These results further uncovered the target proteins and specific mechanisms of JG in treating PMOP, providing an experimental basis for the clinical application of JG in treating PMOP.
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Affiliation(s)
- Haiming Lin
- College of Integrated Chinese and Western Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Wei Zhang
- College of Integrated Chinese and Western Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Yashi Xu
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Zexing You
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Minlin Zheng
- College of Integrated Chinese and Western Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Zhentao Liu
- College of Integrated Chinese and Western Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Chaoxiong Li
- Department of Orthopedics, Fuzhou Second Hospital Affiliated to Xiamen University, Fuzhou, China,The Third Clinical Medical College, Fujian Medical University, Fuzhou, China,Fujian Provincial Clinical Medical Research Center for First Aid and Rehabilitation in Orthopaedic Trauma (2020Y2014), Fuzhou, China,*Correspondence: Chaoxiong Li,
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13
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Wu J, Fan Y, Zheng L, Wang Z, Liu Y, Shen C, Hu W. An Open-Label, Randomized Pharmacokinetic Study of 2 Formulations of Eldecalcitol Capsules Following Single Oral Administration in Healthy Chinese Volunteers Under Fasting and Fed Conditions. Clin Pharmacol Drug Dev 2022; 11:1322-1330. [PMID: 35988059 DOI: 10.1002/cpdd.1144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 06/28/2022] [Indexed: 01/27/2023]
Abstract
Eldecalcitol is an active vitamin D3 derivative that is used for the prevention and treatment of osteoporosis. The objectives of this study were to evaluate the bioequivalence and safety of 2 formulations of eldecalcitol capsule (0.75 μg) in healthy Chinese male and female volunteers, as well as to investigate the food effect on the pharmacokinetics of this drug. An open label, randomized, 3-period, 3-sequence, reference replicated crossover clinical study was performed in 27 healthy Chinese volunteers under fasting conditions, while a 2-way crossover study was carried out in 28 healthy Chinese volunteers under fed conditions. Volunteers were administered a single oral dose of 0.75 μg eldecalcitol after fasting overnight. Blood samples were collected at scheduled time points from 0 to 168 hours after administration of eldecalcitol. The 90%CIs of the test/reference geometric mean ratio (area under the plasma concentration-time curve and maximum plasma concentration) of eldecalcitol after a single-dose administration were within the acceptance criteria based on the average bioequivalence method. The time to maximum concentration of the test and reference formulations were elevated by ≈2.3-fold and 1.7-fold, respectively, after a high-fat meal. Only mild and transient adverse events were reported in this study, and no severe adverse events occurred. These results indicated that the 2 formulations of eldecalcitol were bioequivalent under both fasting and fed conditions. Food intake prolonged the oral absorption of eldecalcitol but did not significantly influence systemic exposure.
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Affiliation(s)
- Juan Wu
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei, China.,Anhui Provincial Institute of Translational Medicine, Hefei, China
| | - Yuru Fan
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei, China.,Anhui Provincial Institute of Translational Medicine, Hefei, China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Liang Zheng
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei, China.,Anhui Provincial Institute of Translational Medicine, Hefei, China
| | - Zhiqiang Wang
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei, China.,Anhui Provincial Institute of Translational Medicine, Hefei, China.,Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - Yueyue Liu
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei, China.,Anhui Provincial Institute of Translational Medicine, Hefei, China
| | - Chenlin Shen
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Wei Hu
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei, China.,Anhui Provincial Institute of Translational Medicine, Hefei, China
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14
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Current use of bone turnover markers in the management of osteoporosis. Clin Biochem 2022; 109-110:1-10. [PMID: 36096182 DOI: 10.1016/j.clinbiochem.2022.09.002] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 08/31/2022] [Accepted: 09/01/2022] [Indexed: 11/21/2022]
Abstract
The adult bone is continuously being remodelled to repair microdamage, preserve bone strength and mechanical competence as well as maintain calcium homeostasis. Bone turnover markers are products of osteoblasts (bone formation markers) and osteoclasts (bone resorption markers) providing a dynamic assessment of remodelling (turnover). Resorption-specific bone turnover markers are typically degradation products of bone collagen molecules (N- [NTX] and C-telopeptide cross-linked type 1 collagen [CTX]), which are released into the circulation and excreted in urine; or enzymatic activities reflecting osteoclastic resorption, tartrate-resistant acid phosphatase [TRACP]. Formation-specific bone turnover markers embrace different osteoblastic activities: type 1 collagen synthesis (Procollagen type I N- propeptide [PINP]), osteoblast enzymes (bone-specific alkaline phosphatase [BALP]), or bone matrix proteins [osteocalcin]. Among individuals not receiving osteoporosis treatment, resorption and formation markers are tightly linked and highly correlated (r= 0.6-0.8). Significant biological variability was reported in the past, but these issues have been greatly improved with automated assays and attention to pre-analytical and analytical factors that are known to influence bone turnover marker levels. Bone turnover markers are not useful in the diagnosis of osteoporosis, the individual prediction of bone loss, fracture, or rare complications, or in the selection of pharmacological treatment. Despite remaining issues with reference intervals and assays harmonization, bone turnover markers have proven to be useful in elucidating the pharmacodynamics and effectiveness of osteoporosis medications in clinical trials. As an alternative to BMD testing, BTMs may be useful to monitor osteoporosis therapies.
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15
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Various Coated Barrier Membranes for Better Guided Bone Regeneration: A Review. COATINGS 2022. [DOI: 10.3390/coatings12081059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A good barrier membrane is one of the important factors for effective guided bone/tissue regeneration (GBR/GTR) in the case of periodontal bone defects. Several methods are being discussed to overcome and improve the shortcomings of commercially available membranes. One of the methods is to coat the membrane with bioactive materials. In this study, 41 studies related to coated membranes for GBR/GTR published in the last 5 years were reviewed. These studies reported coating the membrane with various bioactive materials through different techniques to improve osteogenesis, antimicrobial properties, and physical/mechanical properties. The reported studies have been classified and discussed based on the purpose of coating. The goal of the most actively studied research on coating or surface modification of membranes is to improve new bone formation. For this purpose, calcium phosphate, bioactive glass, polydopamine, osteoinduced drugs, chitosan, platelet-rich fibrin, enamel matrix derivatives, amelotin, hyaluronic acid, tantalum, and copper were used as membrane coating materials. The paradigm of barrier membranes is changing from only inert (or biocompatible) physical barriers to bioactive osteo-immunomodulatory for effective guided bone and tissue regeneration. However, there is a limitation that there exists only a few clinical studies on humans to date. Efforts are needed to implement the use of coated membranes from the laboratory bench to the dental chair unit. Further clinical studies are needed in the patients’ group for long-term follow-up to confirm the effect of various coating materials.
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Ishimoto T, Saito M, Ozasa R, Matsumoto Y, Nakano T. Ibandronate Suppresses Changes in Apatite Orientation and Young's Modulus Caused by Estrogen Deficiency in Rat Vertebrae. Calcif Tissue Int 2022; 110:736-745. [PMID: 34989822 PMCID: PMC9108105 DOI: 10.1007/s00223-021-00940-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 12/24/2021] [Indexed: 11/30/2022]
Abstract
Bone material quality is important for evaluating the mechanical integrity of diseased and/or medically treated bones. However, compared to the knowledge accumulated regarding changes in bone mass, our understanding of the quality of bone material is lacking. In this study, we clarified the changes in bone material quality mainly characterized by the preferential orientation of the apatite c-axis associated with estrogen deficiency-induced osteoporosis, and their prevention using ibandronate (IBN), a nitrogen-containing bisphosphonate. IBN effectively prevented bone loss and degradation of whole bone strength in a dose-dependent manner. The estrogen-deficient condition abnormally increased the degree of apatite orientation along the craniocaudal axis in which principal stress is applied; IBN at higher doses played a role in maintaining the normal orientation of apatite but not at lower doses. The bone size-independent Young's modulus along the craniocaudal axis of the anterior cortical shell of the vertebra showed a significant and positive correlation with apatite orientation; therefore, the craniocaudal Young's modulus abnormally increased under estrogen-deficient conditions, despite a significant decrease in volumetric bone mineral density. However, the abnormal increase in craniocaudal Young's modulus did not compensate for the degradation of whole bone mechanical properties due to the bone loss. In conclusion, it was clarified that changes in the material quality, which are hidden in bone mass evaluation, occur with estrogen deficiency-induced osteoporosis and IBN treatment. Here, IBN was shown to be a beneficial drug that suppresses abnormal changes in bone mechanical integrity caused by estrogen deficiency at both the whole bone and material levels.
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Affiliation(s)
- Takuya Ishimoto
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871 Japan
| | - Mitsuru Saito
- Department of Orthopaedic Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-Shinbashi, Minato-ku, Tokyo 105-8461 Japan
| | - Ryosuke Ozasa
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871 Japan
| | - Yoshihiro Matsumoto
- Product Research Department, Kamakura Research Laboratories, Chugai Pharmaceutical Co., Ltd., 200 Kajiwara, Kamakura, Kanagawa 247-8530 Japan
| | - Takayoshi Nakano
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871 Japan
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Anastasilakis AD, Pepe J, Napoli N, Palermo A, Magopoulos C, Khan AA, Zillikens MC, Body JJ. Osteonecrosis of the Jaw and Antiresorptive Agents in Benign and Malignant Diseases: A Critical Review Organized by the ECTS. J Clin Endocrinol Metab 2022; 107:1441-1460. [PMID: 34922381 PMCID: PMC9016445 DOI: 10.1210/clinem/dgab888] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Indexed: 11/19/2022]
Abstract
CONTEXT Antiresorptive therapy significantly reduces fracture risk in patients with benign bone disease and skeletal-related events (SREs) in patients with bone metastases (BM). Osteonecrosis of the jaw (ONJ) is a rare but severe condition manifested as necrotic bone lesion or lesions of the jaws. ONJ has been linked to the use of potent antiresorptive agents, termed medication-related ONJ (MRONJ). OBJECTIVE We aimed to identify the differences various aspects of MRONJ among distinct patient categories and provide recommendations on how to mitigate the risk and optimally manage MRONJ in each of them. METHODS A working group of the European Calcified Tissue Society (ECTS) and 2 experts performed an updated detailed review of existing literature on MRONJ incidence, characteristics, and treatment applied in bone diseases with variable severity of skeletal insult, ranging from osteoporosis to prevention of cancer treatment-induced bone loss and SREs in cancer patients with BM. RESULTS The risk for MRONJ is much higher in patients with advanced malignancies compared to those with benign bone diseases because of the higher doses and more frequent administration of antiresorptive agents in individuals with compromised general health, along with coadministration of other medications that predispose to MRONJ. The overall risk for MRONJ is considerably lower than the benefits in all categories of patients. CONCLUSION The risk for MRONJ largely depends on the underlying bone disease and the relevant antiresorptive regimen applied. Physicians and dentists should keep in mind that the benefits of antiresorptive therapy far outweigh the risk for MRONJ development.
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Affiliation(s)
- Athanasios D Anastasilakis
- Department of Endocrinology, 424 General Military Hospital, 564 29 N Efkarpia Thessaloniki, Greece
- Correspondence: Athanasios D. Anastasilakis, PhD, Department of Endocrinology, 424 General Military Hospital, Ring Rd, 564 29 N Efkarpia, Thessaloniki, Greece.
| | - Jessica Pepe
- Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences, “Sapienza” University of Rome, 00185 Rome, Italy
| | - Nicola Napoli
- Unit of Endocrinology and Diabetes, Departmental Faculty of Medicine and Surgery, Campus Bio-Medico University of Rome, 00128 Rome, Italy
| | - Andrea Palermo
- Unit of Endocrinology and Diabetes, Departmental Faculty of Medicine and Surgery, Campus Bio-Medico University of Rome, 00128 Rome, Italy
| | - Christos Magopoulos
- Department of Oral and Maxillofacial Surgery, 424 General Military Hospital, 56429 Thessaloniki, Greece
| | - Aliya A Khan
- Division of Endocrinology and Metabolism and Geriatrics, McMaster University, L8N3Z5 Hamilton, Ontario, Canada
| | - M Carola Zillikens
- Bone Center, Department of Internal Medicine, Erasmus MC, 2040 Rotterdam, the Netherlands
| | - Jean-Jacques Body
- Department of Medicine, CHU Brugmann, Université Libre de Bruxelles, 1050 Brussels, Belgium
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18
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Li H, Gou Y, Tian F, Lian Q, Hu Y, Zhang L. The combined anti-osteoporotic effects of simvastatin and exercise in ovariectomized mice fed a high-fat diet. Exp Gerontol 2022; 164:111794. [PMID: 35421557 DOI: 10.1016/j.exger.2022.111794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 03/13/2022] [Accepted: 03/29/2022] [Indexed: 11/04/2022]
Abstract
BACKGROUND To evaluate and compare the effects of the combined intervention of simvastatin and exercise on the bone degeneration in a mice model of osteoporosis (OP) induced by obesity and estrogen deficiency. METHODS 56 female 3-month-old C57BL/6 mice were given a standard diet or a high-fat diet after ovariectomy (OVX) or sham surgery. Drug administration and exercise training were initiated 72 h after surgical operation, which were treated with simvastatin (10 mg/kg/day) or exercise (15 m/min for 30 min/day) or combined with simvastatin and exercise at 72 h for 8 weeks. The pathology of OP was assessed by histomorphology analyses, immunohistochemistry (IHC), micro-computed tomography (Micro-CT), enzyme-linked immunosorbent assay (ELISA) and cell culture. RESULTS The coexistence of obesity and estrogen deficiency significantly further exacerbated OP pathology, and combined intervention showed a better significant anti-osteoporosis effect than monotherapy. In details, simvastatin combined with exercise ameliorated the abnormal bone mass, microstructure and bone marrow adipocyte differentiation, significantly increased osteoprotegerin (OPG), type 1 collagen (Col-I), RUNX2 and osteocalcin (OCN) expression, decreased the expression of receptor activator of nuclear factor-kappaB ligand (RANKL) and peroxisome proliferator-activated receptor γ (PPARγ). Furthermore, combined intervention markedly improved abnormal metabolic status, reduced the levels of serum glucose, insulin, triglycerides (TG), low-density lipoprotein (LDL), leptin, CTX-1 and IL-1β, and increased the level of OCN. CONCLUSIONS The coexistence of obesity and estrogen deficiency further aggravates bone tissue degeneration and abnormal metabolic pathology, which could be better inhibited by the combination with simvastatin and exercise instead of single intervention, suggesting that combined intervention may be a potential candidate for amelioration of the progression of OP.
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Affiliation(s)
- Hetong Li
- Department of Orthopedic Surgery, Hebei Medical University, Shijiazhuang, Hebei, PR China
| | - Yu Gou
- Department of Orthopaedic Surgery, Tianjin Hospital, Tianjin University, Tianjin, PR China
| | - Faming Tian
- School of Public Health, North China University of Science and Technology, Tangshan, Hebei, PR China
| | - Qiangqiang Lian
- School of Public Health, North China University of Science and Technology, Tangshan, Hebei, PR China
| | - Yunpeng Hu
- Department of Orthopedic Surgery, Hebei Medical University, Shijiazhuang, Hebei, PR China
| | - Liu Zhang
- Department of Orthopedic Surgery, Hebei Medical University, Shijiazhuang, Hebei, PR China.
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Tsuda E, Fukuda C, Okada A, Karibe T, Hiruma Y, Takagi N, Isumi Y, Yamamoto T, Hasegawa T, Uehara S, Koide M, Udagawa N, Amizuka N, Kumakura S. Characterization, pharmacokinetics, and pharmacodynamics of anti-Siglec-15 antibody and its potency for treating osteoporosis and as follow-up treatment after parathyroid hormone use. Bone 2022; 155:116241. [PMID: 34715394 DOI: 10.1016/j.bone.2021.116241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 10/21/2021] [Accepted: 10/21/2021] [Indexed: 11/15/2022]
Abstract
Recent studies have established the idea that Siglec-15 is involved in osteoclast differentiation and/or function, and it is anticipated that therapies suppressing Siglec-15 function can be used to treat bone diseases such as osteoporosis. We have produced rat monoclonal anti-Siglec-15 antibody (32A1) and successively generated humanized monoclonal anti-Siglec-15 antibody (DS-1501a) from 32A1. Studies on the biological properties of DS-1501a showed its specific binding affinity to Siglec-15 and strong activity to inhibit osteoclastogenesis. 32A1 inhibited multinucleation of osteoclasts and bone resorption (pit formation) in cultured mouse bone marrow cells. 32A1 also inhibited pit formation in cultured human osteoclast precursor cells. Maximum serum concentration and serum exposure of DS-1501a in rats were increased in a dose-dependent manner after single subcutaneous or intravenous administration. Furthermore, single administration of DS-1501a significantly suppressed bone resorption markers with minimal effects on bone formation markers and suppressed the decrease in bone mineral density (BMD) of the lumbar vertebrae in ovariectomized (OVX) rats. In histological analysis, the osteoclasts distant from the chondro-osseous junction of the tibia tended to be flattened, shrunken, and functionally impaired in 32A1-treated rats, while alkaline phosphatase-positive osteoblasts were observed throughout the metaphyseal trabeculae. In addition, we compared the efficacy of 32A1 with that of alendronate (ALN) as follow-up medicine after treatment with parathyroid hormone (PTH) using mature established osteoporosis rats. The beneficial effect of PTH on bone turnover disappeared 8 weeks after discontinuing the treatment. The administration of 32A1 once every 4 weeks for 8 weeks suppressed bone resorption and bone formation when the treatment was switched from PTH to 32A1, leading to the maintenance of BMD and bone strength. Unlike with ALN, the onset of suppression of bone resorption with 32A1 was rapid, while the suppression of bone formation was mild. The improvement of bone mass, beneficial bone turnover balance, and suppression of osteoclast differentiation/multinucleation achieved by 32A1 were supported by histomorphometry. Notably, the effects of 32A1 on bone strength, not only structural (extrinsic) but also material (intrinsic) properties, were significantly greater than those of ALN. Since the effect of 32A1 on BMD was moderate, its effect on bone strength could not be fully explained by the increase in BMD. The beneficial balance of bone turnover caused by 32A1 might, at least in part, be responsible for the improvement in bone quality. This is the first report describing the effects of anti-Siglec-15 antibody in OVX rats; the findings suggest that this antibody could be an excellent candidate for treating osteoporosis, especially in continuation therapy after PTH treatment, due to its rapid action and unprecedented beneficial effects on bone quality.
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Affiliation(s)
- Eisuke Tsuda
- Specialty Medicine Research Laboratories I, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Chie Fukuda
- Specialty Medicine Research Laboratories I, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan.
| | - Akiko Okada
- Biological Research Laboratories, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Tsuyoshi Karibe
- Drug Metabolism and Pharmacokinetics Research Laboratories, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Yoshiharu Hiruma
- Pharmacovigilance Department, Daiichi Sankyo Co., Ltd., 3-5-1 Nihonbashi-Honcho, Chuo-ku, Tokyo 103-8426, Japan
| | - Nana Takagi
- Pharmacovigilance Department, Daiichi Sankyo Co., Ltd., 3-5-1 Nihonbashi-Honcho, Chuo-ku, Tokyo 103-8426, Japan
| | - Yoshitaka Isumi
- Oncology Research Laboratories I, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Tomomaya Yamamoto
- Developmental Biology of Hard Tissue, Faculty of Dental Medicine, Nishi 7 Chome, Kita 13 Jo, Kita-ku, Sapporo, Hokkaido University, Hokkaido 060-8586, Japan
| | - Tomoka Hasegawa
- Developmental Biology of Hard Tissue, Faculty of Dental Medicine, Nishi 7 Chome, Kita 13 Jo, Kita-ku, Sapporo, Hokkaido University, Hokkaido 060-8586, Japan
| | - Shunsuke Uehara
- Department of Oral Biochemistry, Matsumoto Dental University, 1780 Gobara Hirooka, Shiojiri, Nagano 399-0781, Japan
| | - Masanori Koide
- Division of Hard Tissue Research, Institute for Oral Science, Matsumoto Dental University, 1780 Gobara Hirooka, Shiojiri, Nagano 399-0781, Japan
| | - Nobuyuki Udagawa
- Department of Oral Biochemistry, Matsumoto Dental University, 1780 Gobara Hirooka, Shiojiri, Nagano 399-0781, Japan; Division of Hard Tissue Research, Institute for Oral Science, Matsumoto Dental University, 1780 Gobara Hirooka, Shiojiri, Nagano 399-0781, Japan
| | - Norio Amizuka
- Developmental Biology of Hard Tissue, Faculty of Dental Medicine, Nishi 7 Chome, Kita 13 Jo, Kita-ku, Sapporo, Hokkaido University, Hokkaido 060-8586, Japan
| | - Seiichiro Kumakura
- Translational Medicine Function, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
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Luo MH, Zhao JL, Xu NJ, Xiao X, Feng WX, Li ZP, Zeng LF. Comparative Efficacy of Xianling Gubao Capsules in Improving Bone Mineral Density in Postmenopausal Osteoporosis: A Network Meta-Analysis. Front Endocrinol (Lausanne) 2022; 13:839885. [PMID: 35250888 PMCID: PMC8895757 DOI: 10.3389/fendo.2022.839885] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 01/24/2022] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE The clinical efficacy of Xianling Gubao capsule (XLGB) and its combination therapy in the treatment of postmenopausal osteoporosis (PMOP) was systematically evaluated by frequency-based network meta-analysis. METHODS We searched the China National Knowledge Infrastructure (CNKI), Wanfang, SinoMed, PubMed, Embase and Cochrane Library databases to identify clinical trials of XLGB for the treatment of PMOP from the establishment of each database to November 22, 2021. The quality of the included studies was evaluated by using the risk of bias assessment tool version 2.0 (Rob 2.0) recommended by Cochrane. Stata 14.0 was applied for statistical analysis of the data, and the surface under the cumulative ranking curve (SUCRA) was used to rank the intervention measures of each outcome index. RESULTS This study included 22 clinical trials (including 19 RCTs and 3 non-RCTs) involving 12 drug therapies. According to the results of the network meta-analysis and SUCRA, the best three interventions for improving lumbar bone mineral density (BMD) are XLGB+BP+calcium (83.7%), XLGB+BP (68.5.7%) and XLGB+VD (67.1%). XLGB+calcium was the best combination regimen for improving femoral neck BMD and increasing bone Gla protein (BGP) and alkaline phosphatase (ALP) contents in serum. The SUCRA values of XLGB+calcium for improving the three outcome indicators were 68.0%, 59.5% and 82.1%, respectively. CONCLUSIONS The results of this network meta-analysis show that combined application of XLGB can effectively improve BMD and serum BGP and ALP compared to calcium alone, VD or BP. In the future, multicenter, large-sample and double-blind clinical RCTs should be carried out to supplement and verify the results of this study.
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Affiliation(s)
- Ming-hui Luo
- The 2nd Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jin-long Zhao
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Nan-jun Xu
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiao Xiao
- The 2nd Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wen-xuan Feng
- The 2nd Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Zi-ping Li
- The 2nd Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- *Correspondence: Zi-ping Li, ; Ling-feng Zeng,
| | - Ling-feng Zeng
- The 2nd Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
- *Correspondence: Zi-ping Li, ; Ling-feng Zeng,
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Kendler DL, Cosman F, Stad RK, Ferrari S. Denosumab in the Treatment of Osteoporosis: 10 Years Later: A Narrative Review. Adv Ther 2022; 39:58-74. [PMID: 34762286 PMCID: PMC8799550 DOI: 10.1007/s12325-021-01936-y] [Citation(s) in RCA: 51] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 09/27/2021] [Indexed: 12/12/2022]
Abstract
The fully human monoclonal antibody denosumab was approved for treatment of osteoporosis in 2010 on the basis of its potent antiresorptive activity, which produces clinically meaningful increases in bone mineral density (BMD) and reduces fracture risk at key skeletal sites. At that time, questions remained regarding the long-term safety and efficacy of this receptor activator of nuclear factor kappa-B ligand (RANKL) inhibitor; and with clinical experience, new questions have arisen regarding its optimal use. Here, we examine these questions through the lens of data from the FREEDOM trial program and other studies to determine where denosumab fits in the osteoporosis treatment landscape. Clinical consensus and evidentiary support have grown for denosumab as a highly effective anti-osteoporosis therapy for patients at high risk of fracture. In the 10-year FREEDOM Extension study, denosumab treatment produced progressive incremental increases in BMD, sustained low rates of vertebral fracture, and further reduction in nonvertebral fracture risk without increased risk of infection, cancer, or immunogenicity. There was no evidence that suppression of bone turnover or mineralization was excessive, and rates of osteonecrosis of the jaw (ONJ) and atypical femoral fracture (AFF) were very low. It is now recognized, however, that transitioning to another anti-osteoporosis therapy after denosumab discontinuation is essential to mitigate a transient rebound of bone turnover causing rapid BMD loss and increased risk of multiple vertebral fractures (MVFs). Taken together, the available data show that denosumab has a favorable benefit/risk profile and is a versatile agent for preventing osteoporotic fractures in the short and long term. Video abstract: Denosumab in the Treatment of Osteoporosis—10 Years Later (MP4 62727 KB)
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Abstract
Hypophosphatasia (HPP) is an inherited metabolic disease caused by loss-of-function mutations in the tissue non-specific alkaline phosphatase (TNAP) gene. Reduced activity of TNAP leads to the accumulation of its substrates, mainly inorganic pyrophosphate and pyridoxal-5′-phosphate, metabolic aberrations that largely explain the musculoskeletal and systemic features of the disease. More than 400 ALPL mutations, mostly missense, are reported to date, transmitted by either autosomal dominant or recessive mode. Severe disease is rare, with incidence ranging from 1:100,000 to 1:300,000 live births, while the estimated prevalence of the less severe adult form is estimated to be between 1:3100 to 1:508, in different countries in Europe. Presentation largely varies, ranging from death in utero to asymptomatic adults. In infants and children, clinical features include skeletal, respiratory and neurologic complications, while recurrent, poorly healing fractures, muscle weakness and arthropathy are common in adults. Persistently low serum alkaline phosphatase is the cardinal biochemical feature of the disease. Management requires a dedicated multidisciplinary team. In mild cases, treatment is usually symptomatic. Severe cases, with life-threating or debilitating complications, can be successfully treated with enzyme replacement therapy with asfotase alfa.
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Ban J, Fock V, Aryee DNT, Kovar H. Mechanisms, Diagnosis and Treatment of Bone Metastases. Cells 2021; 10:2944. [PMID: 34831167 PMCID: PMC8616226 DOI: 10.3390/cells10112944] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/22/2021] [Accepted: 10/27/2021] [Indexed: 12/24/2022] Open
Abstract
Bone and bone marrow are among the most frequent metastatic sites of cancer. The occurrence of bone metastasis is frequently associated with a dismal disease outcome. The prevention and therapy of bone metastases is a priority in the treatment of cancer patients. However, current therapeutic options for patients with bone metastatic disease are limited in efficacy and associated with increased morbidity. Therefore, most current therapies are mainly palliative in nature. A better understanding of the underlying molecular pathways of the bone metastatic process is warranted to develop novel, well-tolerated and more successful treatments for a significant improvement of patients' quality of life and disease outcome. In this review, we provide comparative mechanistic insights into the bone metastatic process of various solid tumors, including pediatric cancers. We also highlight current and innovative approaches to biologically targeted therapy and immunotherapy. In particular, we discuss the role of the bone marrow microenvironment in the attraction, homing, dormancy and outgrowth of metastatic tumor cells and the ensuing therapeutic implications. Multiple signaling pathways have been described to contribute to metastatic spread to the bone of specific cancer entities, with most knowledge derived from the study of breast and prostate cancer. However, it is likely that similar mechanisms are involved in different types of cancer, including multiple myeloma, primary bone sarcomas and neuroblastoma. The metastatic rate-limiting interaction of tumor cells with the various cellular and noncellular components of the bone-marrow niche provides attractive therapeutic targets, which are already partially exploited by novel promising immunotherapies.
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Affiliation(s)
- Jozef Ban
- St. Anna Children’s Cancer Research Institute, 1090 Vienna, Austria; (J.B.); (V.F.); (D.N.T.A.)
| | - Valerie Fock
- St. Anna Children’s Cancer Research Institute, 1090 Vienna, Austria; (J.B.); (V.F.); (D.N.T.A.)
| | - Dave N. T. Aryee
- St. Anna Children’s Cancer Research Institute, 1090 Vienna, Austria; (J.B.); (V.F.); (D.N.T.A.)
- Department of Pediatrics, Medical University Vienna, 1090 Vienna, Austria
| | - Heinrich Kovar
- St. Anna Children’s Cancer Research Institute, 1090 Vienna, Austria; (J.B.); (V.F.); (D.N.T.A.)
- Department of Pediatrics, Medical University Vienna, 1090 Vienna, Austria
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Zhang C, Song C. Combination Therapy of PTH and Antiresorptive Drugs on Osteoporosis: A Review of Treatment Alternatives. Front Pharmacol 2021; 11:607017. [PMID: 33584284 PMCID: PMC7874063 DOI: 10.3389/fphar.2020.607017] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 12/21/2020] [Indexed: 12/04/2022] Open
Abstract
Antiresorptive drugs have been widely used for osteoporosis. Intermittent parathyroid hormone (PTH), an anabolic agent, increases osteoblast production rate and inhibits apoptosis of osteoblasts, thus increasing skeletal mass besides improving bone microarchitecture and strength. Combination therapy for osteoporosis produced great interests and controversies. Therefore, we performed a systematic literature search from PubMed, EMBASE, Scopus, Web of Science, CINDHL, and the Cochrane Database of Systematic Reviews using the search terms PTH or teriparatide combined with bisphosphonate, alendronate, ibandronate, risedronate, raloxifene, denosumab, and zoledronic acid with the limit osteoporosis. At last, 36 related articles were included for further analysis. Findings from previous studies revealed that combination therapy in different conditions of naive or previous bisphosphonate treatment might have different outcomes. The use of combination therapy, however, may be an alternative option among osteoporotic patients with a history of bisphosphonate use. Combined teriparatide with denosumab appear to show the most substantial and clinically relevant skeletal benefits to osteoporotic patients. Additional research is necessary to define optimal methods of developing sequential and/or cyclical combinations of PTH and antiresorptive agents.
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Affiliation(s)
- Chenggui Zhang
- Department of Orthopedics, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Spinal Diseases, Beijing, China
| | - Chunli Song
- Department of Orthopedics, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Spinal Diseases, Beijing, China
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25
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Denosumab Discontinuation and the Rebound Phenomenon: A Narrative Review. J Clin Med 2021; 10:jcm10010152. [PMID: 33406802 PMCID: PMC7796169 DOI: 10.3390/jcm10010152] [Citation(s) in RCA: 85] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 12/28/2020] [Accepted: 12/30/2020] [Indexed: 01/26/2023] Open
Abstract
Denosumab is a potent antiresorptive agent that substantially increases bone mineral density and reduces fracture rates at all skeletal sites for as long as it is administered. However, its favorable skeletal effects reverse quickly upon its discontinuation, because of a vast increase of osteoclast number and activity, which leads to a subsequent profound increase of bone turnover above pre-treatment values, a phenomenon commonly described as “rebound phenomenon”. More importantly, most patients experience rapid, profound bone loss due to this burst of bone resorption that may lead in a minority of these patients to occurrence of fractures, especially multiple vertebral fractures. Therefore, subsequent antiresorptive treatment is mandatory, although the optimal regimen is yet to be clarified. In the present review, we outline what is currently known regarding the negative effects of denosumab discontinuation on different aspects of bone status, the factors that may affect them, and strategies to prevent them.
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Shu J, Li J, Fu Y, Hui X, Jin Y, Chen M, Zheng X, Shi Y. Association of ESR1 polymorphism rs2234693 and rs9340799 with postmenopausal osteoporosis in a Chinese population. BMC Musculoskelet Disord 2020; 21:346. [PMID: 32493284 PMCID: PMC7271450 DOI: 10.1186/s12891-020-03359-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Accepted: 05/20/2020] [Indexed: 12/02/2022] Open
Abstract
Background Postmenopausal osteoporosis (PMO) is the most common type of primary osteoporosis. ESR1 polymorphism rs2234693 and rs9340799 has been widely studied as a candidate gene associated with PMO, however, the findings were inconclusive. The present study aims to explore the relationship of ESR1 polymorphism rs2234693 and rs9340799 with PMO risk in a Chinese Han population. Methods PMO patients and healthy controls were recruited from gynecology department. DNA of all participants were extracted from the peripheral blood samples and genotyped by Mass Array method. A meta-analysis of case control studies was also conducted to further elucidate the relationship of polymorphism with PMO. Results Our results revealed that there were no associations of rs2234693 with PMO. However, GG genotype of rs9340799 was associated with a higher risk of PMO (OR = 1.51, 95%CI:1.08–4.34, p = 0.03), even adjusting for risk factors (OR = 1.83, 95%CI: 1.12–5.04, p = 0.04). Logistic regression analysis showed that dominant model was associated with a higher risk of PMO (OR = 2.07, 95%CI: 1.02–5.16, p = 0.02) after correcting the risk factors (OR = 2.14, 95%CI:1.12–5.64, p = 0.04); In addition, the Meta-analysis results revealed that both two polymorphisms were not associated with PMO. Conclusions In conclusion, ESR1 polymorphism rs9340799 was associated with PMO. However, well designed studies with larger sample sizes are required to further elucidate the associations.
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Yavropoulou MP, Anastasilakis AD, Makras P, Papatheodorou A, Rauner M, Hofbauer LC, Tsourdi E. Serum Profile of microRNAs Linked to Bone Metabolism During Sequential Treatment for Postmenopausal Osteoporosis. J Clin Endocrinol Metab 2020; 105:5855767. [PMID: 32521543 DOI: 10.1210/clinem/dgaa368] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 06/06/2020] [Indexed: 12/15/2022]
Abstract
CONTEXT Serum expression of microRNAs (miRs) related to bone metabolism is affected by antiosteoporotic treatment. OBJECTIVE To investigate the effect of sequential treatments on miR expression in postmenopausal women with osteoporosis. DESIGN Observational, open label, nonrandomized clinical trial. SETTING A single-center outpatient clinic. PATIENTS AND INTERVENTIONS Denosumab (Dmab) was administered for 12 months in 37 women who were treatment-naïve (naïve group) (n = 11) or previously treated with teriparatide (TPTD group) (n = 20) or zoledronate (ZOL group) (n = 6). MAIN OUTCOME MEASURES Relative serum expression of miRs linked to bone metabolism at 3 and 6 months of Dmab treatment. RESULTS Baseline relative expression of miR-21a-5p, miR-23a-3p, miR-29a-3p, and miR-338-3p was higher in the TPTD group, while the relative expression of miR-21a-5p was lower in the ZOL group compared to the naïve group. Dmab decreased the relative expression of miR-21a-5p at 3 months (fold change [FC] 0.43, P < 0.001) and 6 months (FC 0.34, P < 0.001), and miR-338-3p and miR-2861 at 6 months (FC 0.31, P = 0.041; FC 0.52, P = 0.016, respectively) in the whole cohort. In subgroup analyses, Dmab decreased the relative expression of miR-21a-5p, miR-29a-3p, miR-338-3p, and miR-2861 at 3 months (FC 0.13, P < 0.001; FC 0.68, P = 0.044; FC 0.46, P = 0.012; and FC 0.16, P < 0.001, respectively) and 6 months (FC 0.1, P < 0.001; FC 0.52, P < 0.001; FC 0.04, P = 0.006; and FC 0.2, P < 0.001, respectively) only within the TPTD group. CONCLUSIONS TPTD treatment potentially affects the expression of the pro-osteoclastogenic miR-21a-5p and miRs related to the expression of osteoblastic genes RUNX2 (miR23a-3p), COL1 (miR-29a-3p), and HDAC5 (miR-2861), while sequential treatment with Dmab acts in the opposite direction.
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Affiliation(s)
- Maria P Yavropoulou
- Endocrinology Unit, 1st Department of Propaedeutic Internal Medicine, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
- Department of Medical Research, 251 Air Force General Hospital, Athens, Greece
| | | | - Polyzois Makras
- Department of Medical Research, 251 Air Force General Hospital, Athens, Greece
| | | | - Martina Rauner
- Department of Medicine III, Technische Universität Dresden Medical Centre, Dresden, Germany
- Center for Healthy Aging, Technische Universität Dresden Medical Centre, Dresden, Germany
| | - Lorenz C Hofbauer
- Department of Medicine III, Technische Universität Dresden Medical Centre, Dresden, Germany
- Center for Healthy Aging, Technische Universität Dresden Medical Centre, Dresden, Germany
- Center for Regenerative Therapies Dresden, Technische Universität Dresden, Dresden, Germany
| | - Elena Tsourdi
- Department of Medicine III, Technische Universität Dresden Medical Centre, Dresden, Germany
- Center for Healthy Aging, Technische Universität Dresden Medical Centre, Dresden, Germany
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van Oirschot BAJA, Jansen JA, van de Ven CJJM, Geven EJW, Gossen JA. Evaluation of Collagen Membranes Coated with Testosterone and Alendronate to Improve Guided Bone Regeneration in Mandibular Bone Defects in Minipigs. J Oral Maxillofac Res 2020; 11:e4. [PMID: 33262883 PMCID: PMC7644271 DOI: 10.5037/jomr.2020.11304] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 09/27/2020] [Indexed: 04/19/2023]
Abstract
OBJECTIVES The purpose of the present in vivo study was to evaluate whether pericard collagen membranes coated with ancillary amounts of testosterone and alendronate in a poly-lactic glycolic acid (PLGA) carrier as compared to uncoated membranes will improve early bone regeneration. MATERIAL AND METHODS In each of 16 minipigs, four standardized mandibular intraosseous defects were made bilaterally. The defects were filled with Bio-Oss® granules and covered with a non-coated or coated membrane. Membranes were spray-coated with 4 layers of PLGA containing testosterone and alendronate resulting in 20, 50 or 125 μg/cm2 of testosterone and 20 µg/cm2 alendronate (F20, F50, F125). Non-coated membranes served as controls (F0). Animals were sacrificed at 6 and 12 weeks after treatment. Qualitative and quantitative histological evaluations of bone regeneration were performed. Differences between groups were assessed by paired Student's t-test. RESULTS Light microscopical analysis showed new bone formation that was in close contact with the Bio-Oss® surface without an intervening non-mineralized tissue layer. Histomorphometric analysis of newly formed bone showed a significant 20% increase in area in the F125 coated membrane treated defects (40 [SD 10]%) compared to the F0 treated defects after 6 weeks (33 [SD 10]%, P = 0.013). At week 12, the total percentage of new bone was increased compared to week 6, but no increase in newly formed bone compared to F0 was observed. CONCLUSIONS The data from this in vivo study indicate that F125 collagen membranes coated with testosterone and alendronate resulted in superior bone formation (+24%) when normalized to control sites using uncoated membranes.
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Affiliation(s)
- Bart A J A van Oirschot
- Department of Dentistry - Biomaterials, Radboudumc, Radboud University Nijmegen, NijmegenThe Netherlands
| | - John A Jansen
- Department of Dentistry - Biomaterials, Radboudumc, Radboud University Nijmegen, NijmegenThe Netherlands
| | - Cindy J J M van de Ven
- Department of Dentistry - Biomaterials, Radboudumc, Radboud University Nijmegen, NijmegenThe Netherlands
- Osteo-Pharma BV, OssThe Netherlands
| | - Edwin J W Geven
- Department of Dentistry - Biomaterials, Radboudumc, Radboud University Nijmegen, NijmegenThe Netherlands
- Osteo-Pharma BV, OssThe Netherlands
| | - Jan A Gossen
- Department of Dentistry - Biomaterials, Radboudumc, Radboud University Nijmegen, NijmegenThe Netherlands
- Osteo-Pharma BV, OssThe Netherlands
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29
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Föger-Samwald U, Dovjak P, Azizi-Semrad U, Kerschan-Schindl K, Pietschmann P. Osteoporosis: Pathophysiology and therapeutic options. EXCLI JOURNAL 2020; 19:1017-1037. [PMID: 32788914 PMCID: PMC7415937 DOI: 10.17179/excli2020-2591] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 07/07/2020] [Indexed: 12/12/2022]
Abstract
Osteoporosis is a metabolic bone disease that, on a cellular level, results from osteoclastic bone resorption not compensated by osteoblastic bone formation. This causes bones to become weak and fragile, thus increasing the risk of fractures. Traditional pathophysiological concepts of osteoporosis focused on endocrine mechanisms such as estrogen or vitamin D deficiency as well as secondary hyperparathyroidism. However, research over the last decades provided exiting new insights into mechanisms contributing to the onset of osteoporosis, which go far beyond this. Selected mechanisms such as interactions between bone and the immune system, the gut microbiome, and cellular senescence are reviewed in this article. Furthermore, an overview on currently available osteoporosis medications including antiresorptive and bone forming drugs is provided and an outlook on potential future treatment options is given.
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Affiliation(s)
- Ursula Föger-Samwald
- Institute of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
- *To whom correspondence should be addressed: Ursula Föger-Samwald, Institute of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria; Tel: +43 (1) 40400-56940 or 51270, Fax: +43 (1) 40400-51300, E-mail:
| | - Peter Dovjak
- Department of Acute Geriatrics, Salzkammergut Klinikum Gmunden, Gmunden, Austria
| | - Ursula Azizi-Semrad
- Department of Emergency Medicine, Medical University of Vienna, Vienna, Austria
| | - Katharina Kerschan-Schindl
- Department of Physical Medicine, Rehabilitation and Occupational Medicine, Medical University of Vienna, Vienna, Austria
| | - Peter Pietschmann
- Institute of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
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