{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T02:51:55Z","timestamp":1790218315495,"version":"4.1.0"},"reference-count":24,"publisher":"Oxford University Press (OUP)","issue":"12","license":[{"start":{"date-parts":[[2025,9,16]],"date-time":"2025-09-16T00:00:00Z","timestamp":1757980800000},"content-version":"vor","delay-in-days":14,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100004331","name":"Johnson & Johnson","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100004331","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,12,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>The POWER study (NCT03782376) evaluated efficacy and safety of a single ustekinumab intravenous (IV) reinduction dose versus placebo under continued ustekinumab subcutaneous (SC) treatment in adult patients with moderately to severely active Crohn\u2019s disease who demonstrated a secondary loss of response to ustekinumab every 8\u2009weeks (q8w) maintenance therapy.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Patients were randomly assigned 1:1 at Week 0 to ustekinumab IV reinduction (ustekinumab \u223c6\u2009mg\/kg and SC placebo) or continuous maintenance (IV placebo and SC ustekinumab 90\u2009mg q8w). Clinical and biomarker assessments occurred at Weeks 0, 8, 16, and 24 with optional ileocolonoscopy at Weeks 0 and16. The primary endpoint was clinical response (\u2265100-point decrease from baseline Crohn\u2019s Disease Activity Index [CDAI] score or CDAI &amp;lt;150) at Week 16. Safety events were analyzed through Week 36 and serum samples were collected for pharmacokinetic analyses and anti-ustekinumab antibody detection.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Overall, 215 patients were randomized: 108 to the IV reinduction group and 107 to the SC group. In the IV reinduction group, 49.1% achieved clinical response at Week 16 versus 37.4% in the SC group (adjusted treatment difference 11.5% [95% CI: \u22121.5%, 24.5%; P\u2009=\u2009.089]). Proportions of patients with endoscopic remission and improvement, normalization of inflammatory biomarkers, and improvement in IBDQ score were greater in the IV reinduction group vs the SC group. No new safety signals were identified.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Although the primary endpoint of clinical response was not met at Week 16, ustekinumab IV reinduction showed numerical improvements in objective endpoints including inflammatory biomarkers and endoscopic outcomes compared with SC maintenance therapy. Safety and immunogenicity results were consistent with the established profile of ustekinumab.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/ibd\/izaf163","type":"journal-article","created":{"date-parts":[[2025,8,7]],"date-time":"2025-08-07T11:49:36Z","timestamp":1754567376000},"page":"3286-3297","source":"Crossref","is-referenced-by-count":4,"title":["Ustekinumab Intravenous Reinduction after Secondary Loss of Response in Patients with Crohn\u2019s Disease"],"prefix":"10.1093","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6807-9822","authenticated-orcid":false,"given":"Stefan","family":"Schreiber","sequence":"first","affiliation":[{"name":"Department of Internal Medicine I, Christian-Albrechts-University and University Hospital Schleswig-Holstein , Kiel,","place":["Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8936-8052","authenticated-orcid":false,"given":"Scott 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