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http://ir.nhri.org.tw/handle/3990099045/16066
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| Title: | Real world clinical outcomes when discontinuing denosumab or bisphosphonates in patients with surgically managed osteoporotic vertebral compression fractures: A population-based cohort study |
| Authors: | Huang, CC;Hung, CC;Chen, HM;Lin, JW;Fu, SH;Wang, CY |
| Contributors: | National Center for Geriatrics and Welfare Research |
| Abstract: | BACKGROUND CONTEXT: Osteoporotic vertebral compression fractures (OVCFs) are common fragility fractures. Patients who undergo surgical treatment for their initial OVCFs warrant particular attention because there is an elevated risk of subsequent vertebral fractures and other types of fragility fractures. However, the optimal osteoporosis treatment for this specific patient group is less investigated. PURPOSE: This study compares the risk of subsequent osteoporotic fractures and mortality rate for patients who are initiated with denosumab and bisphosphonates and determines the effect of adherence to treatment. STUDY DESIGN: Retrospective nationwide cohort study PATIENT SAMPLE: A total of 2,858 patients who had surgically-managed osteoporotic vertebral compression fractures. OUTCOME MEASURES: The risk of osteoporotic fractures, vertebral fractures, non-vertebral fractures and death. METHODS: This is a retrospective nationwide cohort study that uses the National Health Insurance Research Database. Patients aged ≥50 years who were admitted for surgical interventions for OVCF between 2012 and 2016 and subsequently received denosumab or bisphosphonates for one year were included. Patients were stratified according to their anti-osteoporosis medications and adherence to treatment. A multivariable, time-varying Cox proportional hazards model was used to determine the risk of osteoporotic fractures, vertebral fractures, non-vertebral fractures and death. RESULTS: A total of 2,858 patients were included in this study: 1,123 patients in the denosumab group and 1,735 patients in the bisphosphonates group. Compared to persistent denosumab users, the non-persistent denosumab users, persistent bisphosphonate users and non-persistent bisphosphonate users had a greater risk of osteoporotic fractures, with respective hazard ratios of 1.64 (95% confidence interval [CI], 1.16-2.32), 1.74 (95% CI, 1.25-2.42) and 1.53 (95% CI, 1.14-2.06). If osteoporotic fractures were divided into non-vertebral and vertebral fractures, none of the groups exhibited an increased risk of vertebral fractures compared to persistent denosumab users, with an HR of 1.00 (95% CI: 0.54-1.88) for non-persistent denosumab users, 1.64 (95% CI: 0.96-2.81) for persistent bisphosphonate users and 1.52 (95% CI: 0.95-2.43) for non-persistent bisphosphonate users. However, there was a significantly greater risk of non-vertebral fracture, with respective hazard ratios of 2.04 (95% CI, 1.33-3.11), 1.80 (95% CI, 1.18-2.76) and 1.56 (95% CI, 1.06-2.27) for non-persistent denosumab users, persistent bisphosphonate users and non-persistent users. Noteworthy, non-persistent denosumab users exhibited a significantly greater risk of mortality than persistent denosumab users, with a hazard ratio of 3.12 (95% CI, 2.22-4.38). CONCLUSIONS: In terms of patients with OVCFs who require hospitalization and surgical intervention, those who receive ongoing denosumab treatment exhibit less risk of developing subsequent osteoporotic fractures than those who receive bisphosphonates or non-persistent denosumab treatment. However, discontinuation of denosumab is associated with a significantly increased risk of subsequent fractures and mortality. Therefore, adherence to the treatment is crucial for patients who are initiated with denosumab. |
| Date: | 2024-08-16 |
| Relation: | Spine Journal. 2024 Aug 16;Article in Press. |
| Link to: | http://dx.doi.org/10.1016/j.spinee.2024.08.020 |
| JIF/Ranking 2023: | http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=1529-9430&DestApp=IC2JCR |
| Cited Times(Scopus): | https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85203292361 |
| Appears in Collections: | [王貞予] 期刊論文
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