{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,10]],"date-time":"2026-08-10T13:27:09Z","timestamp":1786368429407,"version":"build-2736575974"},"reference-count":50,"publisher":"Oxford University Press (OUP)","issue":"4","license":[{"start":{"date-parts":[[2011,12,8]],"date-time":"2011-12-08T00:00:00Z","timestamp":1323302400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2012,4,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Hypoparathyroidism (hypoPT) is characterized by a state of low bone turnover and high bone mineral density (BMD) despite conventional treatment with calcium supplements and active vitamin D analogues. To assess effects of PTH substitution therapy on 3-dimensional bone structure, we randomized 62 patients with hypoPT into 24 weeks of treatment with either PTH(1-84) 100\u2009\u00b5g\/day subcutaneously or similar placebo as an add-on therapy. Micro-computed tomography was performed on 44 iliac crest bone biopsies (23 on PTH treatment) obtained after 24 weeks of treatment. Compared with placebo, PTH caused a 27% lower trabecular thickness (p\u2009&amp;lt;\u20090.01) and 4% lower trabecular bone tissue density (p\u2009&amp;lt;\u20090.01), whereas connectivity density was 34% higher (p\u2009&amp;lt;\u20090.05). Trabecular tunneling was evident in 11 (48%) of the biopsies from the PTH group. Patients with tunneling had significantly higher levels of biochemical markers of bone resorption and formation. At cortical bone, number of Haversian canals per area was 139% higher (p\u2009=\u20090.01) in the PTH group, causing a tendency toward an increased cortical porosity (p\u2009=\u20090.09). At different subregions of the hip, areal BMD (aBMD) and volumetric BMD (vBMD), as assessed by dual-energy X-ray absorptiometry (DXA) and quantitative computed tomography (QCT), decreased significantly by 1% to 4% in the PTH group. However, at the lumbar spine, aBMD decreased by 1.8% (p\u2009&amp;lt;\u20090.05), whereas vBMD increased by 12.8% (p\u2009=\u20090.02) in the PTH compared with the placebo group. \u00a9 2012 American Society for Bone and Mineral Research.<\/jats:p>","DOI":"10.1002\/jbmr.1493","type":"journal-article","created":{"date-parts":[[2011,12,8]],"date-time":"2011-12-08T16:00:10Z","timestamp":1323360010000},"page":"781-788","source":"Crossref","is-referenced-by-count":72,"title":["Changes in 3-dimensional bone structure indices in hypoparathyroid patients treated with PTH(1-84): A randomized controlled study"],"prefix":"10.1093","volume":"27","author":[{"given":"Tanja","family":"Sikjaer","sequence":"first","affiliation":[{"name":"Department of Internal Medicine and Endocrinology, MEA, Aarhus University Hospital, Aarhus, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lars","family":"Rejnmark","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine and Endocrinology, MEA, Aarhus University Hospital, Aarhus, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jesper Skovhus","family":"Thomsen","sequence":"additional","affiliation":[{"name":"Department of Biomedicine, Aarhus University, Aarhus, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anna","family":"Tietze","sequence":"additional","affiliation":[{"name":"Department of Neuroradiology, Aarhus University Hospital, Aarhus, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Annemarie","family":"Br\u00fcel","sequence":"additional","affiliation":[{"name":"Department of Biomedicine, Aarhus University, Aarhus, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gratien","family":"Andersen","sequence":"additional","affiliation":[{"name":"Department of Radiology, Aarhus University Hospital, Skejby, Aarhus, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leif","family":"Mosekilde","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine and Endocrinology, MEA, Aarhus University Hospital, Aarhus, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2011,12,8]]},"reference":[{"key":"2024020318251180200_bib1","doi-asserted-by":"crossref","first-page":"391","DOI":"10.1056\/NEJMcp0803050","article-title":"Clinical practice. 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