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Wells GA, Hsieh SC, Peterson J, Zheng C, Kelly SE, Shea B, Tugwell P. Alendronate for the primary and secondary prevention of osteoporotic fractures in postmenopausal women. Cochrane Database Syst Rev 2025; 1:CD001155. [PMID: 39868546 PMCID: PMC11770842 DOI: 10.1002/14651858.cd001155.pub3] [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] [Indexed: 01/28/2025]
Abstract
RATIONALE Osteoporosis is an abnormal reduction in bone mass and bone deterioration, leading to increased fracture risk. Alendronate belongs to the bisphosphonate class of drugs, which inhibit bone resorption by interfering with the activity of osteoclasts (bone cells that break down bone tissue). This is an update of a Cochrane review first published in 2008. OBJECTIVES To assess the benefits and harms of alendronate in the primary and secondary prevention of osteoporotic fractures in postmenopausal women at lower and higher risk of fracture, respectively. SEARCH METHODS We searched Evidence-Based Medicine Reviews (which includes CENTRAL), MEDLINE, Embase, two trial registers, drug approval agency websites, and the bibliographies of relevant systematic reviews to identify the studies included in this review. The latest search date was 01 February 2023. We imposed no restrictions on language, date, form of publication, or reported outcomes. ELIGIBILITY CRITERIA We included only randomized controlled trials that assessed the effects of alendronate on postmenopausal women. Targeted participants must have received at least one year of alendronate. We classified a study as secondary prevention if its population met one or more of the following hierarchical criteria: a diagnosis of osteoporosis, a history of vertebral fractures, a low bone mineral density T-score (-2.5 or lower), and 75 years old or older. If a study population met none of those criteria, we classified it as a primary prevention study. OUTCOMES Our major outcomes were clinical vertebral, non-vertebral, hip, and wrist fractures, withdrawals due to adverse events, and serious adverse events. RISK OF BIAS We used the Cochrane risk of bias 1 tool. SYNTHESIS METHODS We used standard methodological procedures expected by Cochrane. Based on the previous review experience, in which the clinical and methodological characteristics in the primary and secondary prevention studies were homogeneous, we used a fixed-effect model for meta-analysis and estimated effects using the risk ratio (RR) for dichotomous outcomes. Our base case analyses included all eligible placebo-controlled studies with usable data. We selected the data available for the longest treatment period. We consider a relative change exceeding 15% as clinically important. INCLUDED STUDIES We included 119 studies, of which 102 studies provided data for quantitative synthesis. Of these, we classified 34 studies (15,188 participants) as primary prevention and 68 studies (29,577 participants) as secondary prevention. We had concerns about risks of bias in most studies. Selection bias was the most frequently overlooked domain, with only 20 studies (19%) describing appropriate methods for both sequence generation and allocation concealment. Eight studies (8%) were at low risk of bias in all seven domains. SYNTHESIS OF RESULTS The base case analyses included 16 primary prevention studies (one to five years in length; 10,057 women) and 20 secondary prevention studies (one to three years in length; 7375 women) which compared alendronate 10 mg/day (or 70 mg/week) to placebo, no treatment, or both. Indirectness, imprecision, and risk of bias emerged as the main factors contributing to the downgrading of the certainty of the evidence. For primary prevention, alendronate may lead to a clinically important reduction in clinical vertebral fractures (16/1190 in the alendronate group versus 24/926 in the placebo group; RR 0.45, 95% confidence interval [CI] 0.25 to 0.84; absolute risk reduction [ARR] 1.4% fewer, 95% CI 1.9% fewer to 0.4% fewer; low-certainty evidence) and non-vertebral fractures (RR 0.83, 95% CI 0.72 to 0.97; ARR 1.6% fewer, 95% CI 2.6% fewer to 0.3% fewer; low-certainty evidence). However, clinically important differences were not observed for the following outcomes: hip fractures (RR 0.76, 95% CI 0.43 to 1.32; ARR 0.2% fewer, 95% CI 0.4% fewer to 0.2% more; low-certainty evidence); wrist fractures (RR 1.12, 95% CI 0.84 to 1.49; ARR 0.3% more, 95% CI 0.4% fewer to 1.1% more; low-certainty evidence); withdrawals due to adverse events (RR 1.03, 95% CI 0.89 to 1.18; ARR 0.2% more, 95% CI 0.9% fewer to 1.5% more; low-certainty evidence); and serious adverse events (RR 1.08, 95% CI 0.82 to 1.43; ARR 0.5% more, 95% CI 1.2% fewer to 2.8% more; low-certainty evidence). For secondary prevention, alendronate probably results in a clinically important reduction in clinical vertebral fractures (24/1114 in the alendronate group versus 51/1055 in the placebo group; RR 0.45, 95% CI 0.28 to 0.73; ARR 2.7% fewer, 95% CI 3.5% fewer to 1.3% fewer; moderate-certainty evidence). It may lead to a clinically important reduction in non-vertebral fractures (RR 0.80, 95% CI 0.64 to 0.99; ARR 2.8% fewer, 95% CI 5.1% fewer to 0.1% fewer; low-certainty evidence); hip fractures (RR 0.49, 95% CI 0.25 to 0.96; ARR 1.0% fewer, 95% CI 1.5% fewer to 0.1% fewer; low-certainty evidence); wrist fractures (RR 0.54, 95% CI 0.33 to 0.90; ARR 1.8% fewer, 95% CI 2.6% fewer to 0.4% fewer; low-certainty evidence); and serious adverse events (RR 0.75, 95% CI 0.59 to 0.96; ARR 3.5% fewer, 95% CI 5.8% fewer to 0.6% fewer; low-certainty evidence). However, the effects of alendronate for withdrawals due to adverse events are uncertain (RR 0.95, 95% CI 0.78 to 1.16; ARR 0.4% fewer, 95% CI 1.7% fewer to 1.3% more; very low-certainty evidence). Furthermore, the updated evidence for the safety risks of alendronate suggests that, irrespective of participants' risk of fracture, alendronate may lead to little or no difference for gastrointestinal adverse events. Zero incidents of osteonecrosis of the jaw and atypical femoral fracture were observed. AUTHORS' CONCLUSIONS For primary prevention, compared to placebo, alendronate 10 mg/day may reduce clinical vertebral and non-vertebral fractures, but it might make little or no difference to hip and wrist fractures, withdrawals due to adverse events, and serious adverse events. For secondary prevention, alendronate probably reduces clinical vertebral fractures, and may reduce non-vertebral, hip, and wrist fractures, and serious adverse events, compared to placebo. The evidence is very uncertain about the effect of alendronate on withdrawals due to adverse events. FUNDING This Cochrane review had no dedicated funding. REGISTRATION This review is an update of the previous review (DOI: 10.1002/14651858.CD001155).
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Affiliation(s)
- George A Wells
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, Canada
| | - Shu-Ching Hsieh
- Cardiovascular Research Methods Center, University of Ottawa Heart Institute, Ottawa, Canada
| | - Joan Peterson
- Clinical Epidemiology Unit, Ottawa Civic Hospital / Loeb Research Institute, Ottawa, Canada
| | - Carine Zheng
- University of Ottawa Heart Institute, Ottawa, Canada
| | - Shannon E Kelly
- Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Canada
| | - Beverley Shea
- Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Canada
| | - Peter Tugwell
- Department of Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Canada
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Xia W, Cooper C, Li M, Xu L, Rizzoli R, Zhu M, Lin H, Beard J, Ding Y, Yu W, Cavalier E, Zhang Z, Kanis JA, Cheng Q, Wang Q, Reginster JY. East meets West: current practices and policies in the management of musculoskeletal aging. Aging Clin Exp Res 2019; 31:1351-1373. [PMID: 31376119 PMCID: PMC6763533 DOI: 10.1007/s40520-019-01282-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 07/18/2019] [Indexed: 12/20/2022]
Abstract
Healthy aging is defined as the process of developing and maintaining the functional ability that enables wellbeing in older age. Healthy aging is dependent upon intrinsic capacity, a composite of physical and mental capacities, and the environment an individual inhabits and their interactions with it. Maintenance of musculoskeletal health during aging is a key determinant of functional ability. Sarcopenia, osteoporosis and osteoarthritis, are a triad of musculoskeletal diseases of aging that are major contributors to the global burden of disease and disability worldwide. The prevention and management of these disorders is of increasing importance with pressure mounting from the aging population. In a new initiative, the Chinese Medical Association, Chinese Society of Osteoporosis and Bone Mineral Research, and the European Society for Clinical and Economic Aspects of Osteoporosis, Osteoarthritis and Musculoskeletal Diseases jointly organized a symposium to discuss current practices and policies in the management of musculoskeletal aging. The meeting allowed experts from Europe and China to share their experience and recommendations for the management of these three major diseases. Discussing and analyzing similarities and differences in their practice should lead, through a mutual enrichment of knowledge, to better management of these diseases, in order to preserve intrinsic capacity and retard the age-related degradation of physical ability. In future, it is hoped that sharing of knowledge and best practice will advance global strategies to reduce the burden of musculoskeletal disease and promote healthy aging tailored to meet the individual patient’s needs.
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Affiliation(s)
- Weibo Xia
- Department of Endocrinology, National Health Commission Key Laboratory of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Cyrus Cooper
- MRC Lifecourse Epidemiology Unit, Southampton General Hospital, University of Southampton, Southampton, UK
- NIHR Musculoskeletal Biomedical Research Unit, University of Oxford, Oxford, UK
- WHO Collaborating Centre for Public Health Aspects of Musculoskeletal Health and Aging, Liege, Belgium
| | - Mei Li
- Department of Endocrinology, National Health Commission Key Laboratory of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Ling Xu
- Department of Gynaecology and Obstetrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Rene Rizzoli
- WHO Collaborating Centre for Public Health Aspects of Musculoskeletal Health and Aging, Liege, Belgium
- Division of Bone Diseases, Geneva University Hospitals, Faculty of Medicine, Geneva, Switzerland
| | - Mei Zhu
- Department of Endocrinology, Tianjin Medical University General Hospital, Tianjin, China
| | - Hua Lin
- Department of Orthopaedics, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - John Beard
- Department of Aging and Lifecourse, World Health Organization (WHO), 20 Avenue Appia, 1211 Geneva 27, Switzerland
| | - Yue Ding
- Department of Orthopaedics, Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Wei Yu
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Etienne Cavalier
- Department of Clinical Chemistry, University of Liège, CHU Sart Tilman Route 52, Porte 53, Domaine du Sart-Tilman, Liege, Belgium
| | - Zhenlin Zhang
- Department of Osteoporosis and Bone Disease, Shanghai JiaoTong University Affiliated Six People’s Hospital, Shanghai, China
| | - John A. Kanis
- Mary McKillop Health Institute, Australian Catholic University, Melbourne, Australia
- Centre for Metabolic Bone Diseases, University of Sheffield Medical School, Sheffield, UK
| | - Qun Cheng
- Department of Osteoporosis and Bone Disease, Huadong Hospital Affiliated to Fudan University, Shanghai, China
| | - Quimei Wang
- Department of Geriatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Jean-Yves Reginster
- WHO Collaborating Centre for Public Health Aspects of Musculoskeletal Health and Aging, Liege, Belgium
- Division of Public Health, Epidemiology and Health Economics, University of Liège, CHU Sart Tilman B23, 4000 Liege, Belgium
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
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Liu GF, Wang ZQ, Liu L, Zhang BT, Miao YY, Yu SN. A network meta-analysis on the short-term efficacy and adverse events of different anti-osteoporosis drugs for the treatment of postmenopausal osteoporosis. J Cell Biochem 2018; 119:4469-4481. [PMID: 29227547 DOI: 10.1002/jcb.26550] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Accepted: 12/01/2017] [Indexed: 12/18/2022]
Abstract
A network meta-analysis was conducted to compare the short-term efficacy and adverse events of different drugs for the treatment of postmenopausal osteoporosis (PMO), providing a more effective treatment for PMO. We initially searched through various databases like PubMed, Cochrane Library, and EMBASE from inception till October 2016. All randomized controlled trials (RCTs) of drugs for the treatment of PMO were included for direct and indirect comparison. A combination of direct and indirect evidence of different inhibitors of anti-diabetic drugs for treatment of PMO were considered for calculating the weighted mean difference (WMD) value or odd ratio (OR) value and to draw surface under the cumulative ranking (SUCRA) curves. Twenty-seven RCTs were ultimately incorporated into this network meta-analysis comprising of 48 200 patients suffering from PMO. The network meta-analysis revealed that compared with placebo, alendronate had better efficacy on improving bone mineral density (BMD) at lumbar spine, femoral neck, and total hip. Risedronate and raloxifene had relatively lower incidence of new vertebral fractures. The SUCRA analysis showed that alendronate had better efficacy on improving BMD, risedronate could significantly decrease the incidence of fresh fracture and bazedoxifene was relatively safe. The available evidence suggested that alendronate and risedronate might be the superior choices for the treatment of PMO, while bazedoxifene was a comparatively safer option for patients.
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Affiliation(s)
- Gui-Feng Liu
- Department of Radiology, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Zong-Qiang Wang
- Medical Department, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Lin Liu
- Department of Radiology, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Bu-Tian Zhang
- Department of Radiology, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Ying-Ying Miao
- Department of Radiology, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Shao-Nan Yu
- Department of Radiology, China-Japan Union Hospital of Jilin University, Changchun, China
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Lee SY, Kim KM, Kong SH, Oh TJ, Moon JH, Choi SH, Lim S, Jang HC. The Effects of Low-Dose Bisphosphonate Treatment on Bone Mineral Density and Bone Turnover Markers in Elderly Patients With Osteoporosis. Ann Geriatr Med Res 2016. [DOI: 10.4235/agmr.2016.20.3.131] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Wang JY, Zhou PR, Liu Y, Xu XJ, Ma DD, Xia WB, Jiang Y, Wang O, Xing XP, Li M. The analysis of DKK1 polymorphisms in relation to skeletal phenotypes and bone response to alendronate treatment in Chinese postmenopausal women. Pharmacogenomics 2016; 17:209-17. [PMID: 26780085 DOI: 10.2217/pgs.15.167] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Aim: To investigate the correlation between DKK1 polymorphisms with bone phenotypes and response to alendronate treatment. Materials & methods: Five tag single nucleotide polymorphisms of DKK1 were analyzed in 639 Chinese postmenopausal women with osteoporosis or osteopenia. Bone mineral density (BMD), β-CTX and ALP were measured before and after alendronate treatment. Results: Genotypes at rs1896367, rs1528877 and rs2241529 correlated to baseline BMD (p < 0.05). rs1528877 and rs2241529 polymorphisms correlated to baseline β-CTX levels (p < 0.05). rs2241529 polymorphisms of DKK1 had a small influence on the skeletal response to alendronate treatment (p < 0.05). Conclusion: DKK1 polymorphisms may correlate to baseline BMD and serum β-CTX levels, but present a weak effect on the response to alendronate.
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Affiliation(s)
- Jian-yi Wang
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Pei-ran Zhou
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Yi Liu
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Xiao-jie Xu
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Dou-dou Ma
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Wei-bo Xia
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Yan Jiang
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Ou Wang
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Xiao-ping Xing
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Mei Li
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
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Lee SH, Gong HS, Kim TH, Park SY, Shin JH, Cho SW, Byun DW. Position Statement: Drug Holiday in Osteoporosis Treatment with Bisphosphonates in South Korea. J Bone Metab 2015; 22:167-74. [PMID: 26713307 PMCID: PMC4691590 DOI: 10.11005/jbm.2015.22.4.167] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Revised: 11/13/2015] [Accepted: 11/13/2015] [Indexed: 11/11/2022] Open
Abstract
Bisphosphonates have been widely used in the treatment of osteoporosis with robust data from many placebo-controlled trials demonstrating its efficacy in fracture risk reduction over 3 to 5 years of treatment. Although bisphosphonates are generally safe and well tolerated, concerns have emerged about the adverse effects related to its long-term use, including osteonecrosis of the jaw and atypical femur fractures. Because bisphosphonates are incorporated into the skeleton and continue to exert an anti-resorptive effect for a period of time after the discontinuation of drugs, the concept of a "drug holiday" has emerged, whereby the risk of adverse effects might be decreased while the patient still benefits from anti-fracture efficacy. As randomized clinical trial evidence is not yet available on who may qualify for a drug holiday, there is considerable controversy regarding the selection of candidates for the drug holiday and monitoring during a drug holiday, both of which should be based on individual assessments of risk and benefit. This statement will provide suggestions for clinicians in South Korea on the identification of possible candidates and monitoring during a bisphosphonate drug holiday.
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Affiliation(s)
- Seung Hun Lee
- Division of Endocrinology and Metabolism, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Hyun Sik Gong
- Department of Orthopedic Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Tae-Hee Kim
- Department of Obstetrics and Gynecology, Soonchunhyang University College of Medicine, Bucheon, Korea
| | - Si Young Park
- Department of Orthopedic Surgery, Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Jung-Ho Shin
- Department of Obstetrics and Gynecology, Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Sun Wook Cho
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
| | - Dong-Won Byun
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Soonchunhyang University College of Medicine, Seoul, Korea
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Zhou PR, Xu XJ, Zhang ZL, Liao EY, Chen DC, Liu J, Wu W, Jiang Y, Wang O, Xia WB, Xing XP, Xu L, Li M. SOST polymorphisms and response to alendronate treatment in postmenopausal Chinese women with osteoporosis. Pharmacogenomics 2015; 16:1077-88. [PMID: 26250343 DOI: 10.2217/pgs.15.76] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
AIM To investigate the association between SOST gene polymorphisms and response to alendronate treatment. MATERIALS & METHODS 639 Chinese postmenopausal women with osteoporosis or osteopenia received alendronate treatment. Polymorphisms of SOST were analyzed. Bone mineral density (BMD), serum ALP and β-CTX levels were measured. The correlation of SOST polymorphisms with changes of BMD and bone biomarkers after treatment was analyzed. RESULTS rs1234612 and rs851054 polymorphisms were correlated to baseline lumbar spine BMD (p < 0.05). After 12 months of treatment rs1234612 and rs865429 polymorphisms were correlated to BMD changes at the lumbar spine (p < 0.05) or femoral neck (p < 0.05), respectively. CONCLUSION The polymorphisms of SOST are genetic factors affecting bone health and response to alendronate in Chinese postmenopausal women.
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Affiliation(s)
- Pei-ran Zhou
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Xiao-jie Xu
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Zhen-lin Zhang
- Metabolic Bone Disease & Genetics Research Unit, Department of Osteoporosis & Bone Diseases, Shanghai Sixth People's Hospital Affiliated with Shanghai Jiao Tong University, Shanghai, China
| | - Er-yuan Liao
- Institute of Endocrinology & Metabolism, Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - De-cai Chen
- Department of Endocrinology, Osteoporosis Education Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Jian Liu
- Department of Orthopedics, Xijing Hospital, The Fourth Liberation Army University, Xi'an, Shaanxi, China
| | - Wen Wu
- Department of Endocrinology, Guangdong General Hospital, Guangzhou, Guangdong, China
| | - Yan Jiang
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Ou Wang
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Wei-bo Xia
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Xiao-ping Xing
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Ling Xu
- Department of Obstetrics & Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Mei Li
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
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