{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T13:47:57Z","timestamp":1777470477437,"version":"3.51.4"},"reference-count":43,"publisher":"Oxford University Press (OUP)","issue":"5","license":[{"start":{"date-parts":[[2020,9,16]],"date-time":"2020-09-16T00:00:00Z","timestamp":1600214400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2020,10,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>The antidiuretic hormone (ADH) or arginine vasopressin (AVP) regulates the body's water balance. Recently, modifications in AVP levels have been related to osteoporosis during ageing and microgravity\/bed rest. Therefore the present study was devised to assess whether the absence of AVP, as in patients with central diabetes insipidus (CDI), modulates renal calcium excretion.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We retrospectively analysed data from 12 patients with CDI with measured 24-h urinary excretion levels of calcium. Data were available at the moment of the diagnosis when patients were drug-free and after therapy with dDAVP, an analog of AVP. Hypercalciuria was defined as 24-h urinary Ca2+ &amp;gt;275\u2009mg\/day in males and &amp;gt;250\u2009mg\/day in females and a urinary calcium (Ca):creatinine (Cr) ratio &amp;gt;0.20\u2009mg\/mg.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Untreated CDI patients had a daily urinary Ca2+ excretion of 383\u2009\u00b1\u200947\u2009mg\/day and a urinary Ca:Cr ratio of 0.26\u2009\u00b1\u20090.38\u2009mg\/mg. The urine osmolarity significantly increased after the administration of dDAVP by 210% and the urinary flow decreased by 72%. Furthermore, the estimated glomerular filtration rate (eGFR) increased by 7%, which did not reach statistical significance. dDAVP treatment did not significantly modify the urinary Ca2+ concentration; however, the daily calcium excretion and the urinary Ca:Cr ratio were significantly decreased (160\u2009\u00b1\u200927\u2009mg\/day and 0.11\u2009\u00b1\u20090.02\u2009mg\/mg, respectively).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Patients with CDI show hypercalciuria even though urine is more diluted than normal controls, and dDAVP reverses this effect. These data support the intriguing relationship between AVP and osteoporosis in ageing and microgravity\/bed rest.<\/jats:p><\/jats:sec>","DOI":"10.1093\/ckj\/sfaa134","type":"journal-article","created":{"date-parts":[[2020,6,16]],"date-time":"2020-06-16T19:12:02Z","timestamp":1592334722000},"page":"873-877","source":"Crossref","is-referenced-by-count":3,"title":["Regulation of urinary calcium excretion by vasopressin"],"prefix":"10.1093","volume":"13","author":[{"given":"Pietro","family":"Anastasio","sequence":"first","affiliation":[{"name":"Department of Translational Medical Sciences, University of Campania \u2018L.Vanvitelli\u2019, Naples, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francesco","family":"Trepiccione","sequence":"additional","affiliation":[{"name":"Department of Translational Medical Sciences, University of Campania \u2018L.Vanvitelli\u2019, Naples, Italy"},{"name":"BIOGEM, Ariano Irpino, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Natale Gaspare","family":"De Santo","sequence":"additional","affiliation":[{"name":"Professor Emeritus, University of Campania \u2018L.Vanvitelli\u2019, Naples, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3469-8614","authenticated-orcid":false,"given":"Giovambattista","family":"Capasso","sequence":"additional","affiliation":[{"name":"Department of Translational Medical Sciences, University of Campania \u2018L.Vanvitelli\u2019, Naples, Italy"},{"name":"BIOGEM, Ariano Irpino, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2425-6057","authenticated-orcid":false,"given":"Davide","family":"Viggiano","sequence":"additional","affiliation":[{"name":"Department of Translational Medical Sciences, University of Campania \u2018L.Vanvitelli\u2019, Naples, Italy"},{"name":"BIOGEM, Ariano Irpino, Italy"},{"name":"Department of Medicine and Health Sciences, University of Molise, Campobasso, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Giovanna","family":"Capolongo","sequence":"additional","affiliation":[{"name":"Department of Translational Medical Sciences, University of Campania \u2018L.Vanvitelli\u2019, Naples, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2020,9,16]]},"reference":[{"key":"2020102117150961700_sfaa134-B1","doi-asserted-by":"crossref","first-page":"S36","DOI":"10.1016\/j.amjmed.2006.05.006","article-title":"Regulation of arginine vasopressin in the syndrome of inappropriate antidiuresis","volume":"119","author":"Robertson","year":"2006","journal-title":"Am J Med"},{"key":"2020102117150961700_sfaa134-B2","doi-asserted-by":"crossref","first-page":"1013","DOI":"10.1073\/pnas.92.4.1013","article-title":"Vasopressin increases water permeability of kidney collecting duct by inducing translocation of aquaporin-CD water channels to plasma membrane","volume":"92","author":"Nielsen","year":"1995","journal-title":"Proc Natl Acad Sci USA"},{"key":"2020102117150961700_sfaa134-B3","doi-asserted-by":"crossref","first-page":"458","DOI":"10.1007\/BF00583948","article-title":"Stimulation of tubular reabsorption of magnesium and calcium by antidiuretic hormone in conscious rats. 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