{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T23:47:12Z","timestamp":1792194432579,"version":"4.4.0"},"reference-count":40,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2023,2,7]],"date-time":"2023-02-07T00:00:00Z","timestamp":1675728000000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2023,2,7]],"date-time":"2023-02-07T00:00:00Z","timestamp":1675728000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Global Spine Journal"],"published-print":{"date-parts":[[2024,7]]},"abstract":"<jats:sec>\n                    <jats:title>Study Design<\/jats:title>\n                    <jats:p>Retrospective Cohort<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>Antiresorptive drugs are often given to minimize fracture risk for bone metastases, but data regarding optimal time or ability to reduce stereotactic body radiotherapy (SBRT)-induced fracture risk is limited. This study examines the association between antiresorptive use surrounding spinal SBRT and vertebral compression fracture (VCF) incidence to provide information regarding effectiveness and optimal timing of use.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Patients treated with SBRT for spinal metastases at a single institution between 2009-2020 were included. Kaplan-Meier analysis was used to compare cumulative incidence of VCF for those taking antiresorptive drugs pre-SBRT, post-SBRT only, and none at all. Cox proportional hazards and Fine-Gray competing risk models were used to identify additional factors associated with VCF.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Of the 234 patients (410 vertebrae) analyzed, 49 (20.9%) were taking bisphosphonates alone, 42 (17.9%) were taking denosumab alone, and 25 (10.7%) were taking both. Kaplan-Meier analysis revealed a statistically significant lower VCF incidence for patients initiating antiresorptive drugs before SBRT compared to those taking none at all (4% vs 12% at 1 year post-SBRT,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .045; and 4% vs 23% at 2\u00a0years,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .008). On multivariate analysis, denosumab duration (HR: .87,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .378) or dose (HR: 1.00,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .644) as well as bisphosphonate duration (HR: .98,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .739) or dose (HR: .99,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .741) did not have statistical significance on VCF incidence.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Initiating antiresorptive agents before SBRT may reduce the risk of treatment-induced VCF. Antiresorptive drugs are underutilized in patients with spine metastases and may represent a useful intervention to minimize toxicity and improve long-term outcomes.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/21925682231156394","type":"journal-article","created":{"date-parts":[[2023,2,7]],"date-time":"2023-02-07T12:27:27Z","timestamp":1675772847000},"page":"1778-1785","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":8,"title":["Antiresorptive Medications Prior to Stereotactic Body Radiotherapy for Spinal Metastasis are Associated with Reduced Incidence of Vertebral Body Compression Fracture"],"prefix":"10.1177","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0586-3708","authenticated-orcid":false,"given":"Palak P.","family":"Patel","sequence":"first","affiliation":[{"name":"Johns Hopkins School of Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edward 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Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ali","family":"Bydon","sequence":"additional","affiliation":[{"name":"Johns Hopkins School of Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kristin J.","family":"Redmond","sequence":"additional","affiliation":[{"name":"Johns Hopkins School of 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Bone density and fracture risk following SBRT for non-spine bone metastases. J Radiosurg SBRT. 2021;7(3):199-206. 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