{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T16:47:19Z","timestamp":1791996439566,"version":"4.4.0"},"reference-count":46,"publisher":"Oxford University Press (OUP)","issue":"8","license":[{"start":{"date-parts":[[2023,2,7]],"date-time":"2023-02-07T00:00:00Z","timestamp":1675728000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"name":"Crohn's and Colitis and Cablon Medical","award":["17-57"],"award-info":[{"award-number":["17-57"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,8,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Hepcidin, the systemic iron regulator, could be critical in differentiating iron deficiency (ID) from functional iron restriction in inflammatory bowel disease (IBD). We assessed hepcidin as a diagnostic ID marker and explored the relationship between hepcidin and its regulators in patients with IBD undergoing induction therapy with infliximab (IFX) or vedolizumab (VEDO).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Patients with active IBD receiving induction therapy with IFX or VEDO were included. Serum samples at baseline and after 6 weeks of induction therapy were analyzed for hepcidin, inflammation- and hypoxia-associated cytokines, and oxidative stress. Data were analyzed by stratifying based on the response at week 14. Results were compared with samples from age- and sex-matched healthy control subjects.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Patients receiving induction therapy with IFX (n = 71) or VEDO (n = 51) and healthy control subjects (n = 50) were included. At baseline, hepcidin correlated positively with ferritin and negatively with soluble transferrin receptor\/log ferritin index (P &amp;lt; .001). ID was prevalent in 96.7% of patients who had hepcidin levels below the median. Hepcidin accurately identified ID: the area under the curve (hepcidin) was 0.89 (95% confidence interval, 0.82-0.95; P &amp;lt; .001). In total, 75.4% of patients responded to induction therapy; inflammation, hepcidin, and ferritin decreased significantly, while transferrin increased during induction therapy. These changes were observed only in patients who responded to the therapy.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Hepcidin levels in IBD are primarily determined by ID, even in an inflammatory state. In addition, induction therapy can decrease hepcidin levels, which might lead to better bioavailability of iron supplements. Therefore, hepcidin is a potential diagnostic ID biomarker that could assist therapeutic decision making.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/ibd\/izad010","type":"journal-article","created":{"date-parts":[[2023,2,7]],"date-time":"2023-02-07T06:29:30Z","timestamp":1675751370000},"page":"1272-1284","source":"Crossref","is-referenced-by-count":20,"title":["Hepcidin and Iron Status in Patients With Inflammatory Bowel Disease Undergoing Induction Therapy With Vedolizumab or Infliximab"],"prefix":"10.1093","volume":"29","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3183-9007","authenticated-orcid":false,"given":"Roberta","family":"Loveikyte","sequence":"first","affiliation":[{"name":"Department of Gastroenterology and Hepatology, Leiden University Medical Center, Leiden University , Leiden , the Netherlands"},{"name":"Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen , Groningen , the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5754-3821","authenticated-orcid":false,"given":"Arno R","family":"Bourgonje","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen , Groningen , the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Johannes J","family":"van der Reijden","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology and Hepatology, Leiden University Medical Center, Leiden University , Leiden , the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marian L C","family":"Bulthuis","sequence":"additional","affiliation":[{"name":"Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen , Groningen , the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lukas J A C","family":"Hawinkels","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology and Hepatology, Leiden University Medical Center, Leiden University , Leiden , the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marijn C","family":"Visschedijk","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen , Groningen , the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eleonora A M","family":"Festen","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen , Groningen , the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hendrik M","family":"van Dullemen","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen , Groningen , the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rinse K","family":"Weersma","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen , Groningen , the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Harry","family":"van Goor","sequence":"additional","affiliation":[{"name":"Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen , Groningen , the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrea E","family":"van der Meulen-de Jong","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology and Hepatology, Leiden University Medical Center, Leiden University , Leiden , the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gerard","family":"Dijkstra","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen , Groningen , the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2023,2,7]]},"reference":[{"issue":"2","key":"2023080117180600500_CIT0001","doi-asserted-by":"crossref","first-page":"142","DOI":"10.1097\/00054725-200005000-00013","article-title":"Anemia in IBD: the overlooked villain","volume":"6","author":"Gasche","year":"2000","journal-title":"Inflamm Bowel Dis."},{"issue":"10","key":"2023080117180600500_CIT0002","doi-asserted-by":"crossref","first-page":"1485","DOI":"10.1002\/ibd.20925","article-title":"Oral and intravenous iron treatment in inflammatory bowel disease: hematological response and quality of life 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