{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,29]],"date-time":"2026-08-29T06:47:22Z","timestamp":1787986042028,"version":"build-2784847793"},"reference-count":31,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2024,4,11]],"date-time":"2024-04-11T00:00:00Z","timestamp":1712793600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["R01AR73147"],"award-info":[{"award-number":["R01AR73147"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["R01HL147155"],"award-info":[{"award-number":["R01HL147155"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal Orthopaedic Research"],"published-print":{"date-parts":[[2024,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:label\/><jats:p>AdipoRon is an adiponectin receptor 1, 2 (ADIPOR1 and ADIPOR2) agonist with potential antifibrotic effects. Whether AdipoRon can mitigate joint stiffness in a rabbit model of arthrofibrosis is unknown. We examined the efficacy of intravenous (IV) AdipoRon at mitigating contracture in a rabbit model of knee arthrofibrosis. Fifty\u2010six female New Zealand White rabbits were divided into three dosing groups: vehicle (dimethyl sulfoxide, DMSO), 2.5\u2009mg\/kg AdipoRon, and 5\u2009mg\/kg AdipoRon. AdipoRon, in DMSO, was administered IV preoperatively and for 5 days postoperatively (30 rabbits, Aim 1). AdipoRon was again dosed similarly after Kirschner wire (K\u2010wire) removal at 8 weeks (26 rabbits; Aim 2). The primary outcome of joint passive extension angle (PEA,\u00b0) was measured at 8, 10, 12, 16, and 24 weeks following index surgery. At 24 weeks, rabbits were euthanized and limbs were harvested to measure posterior capsular stiffness (N\u2009cm\/\u00b0). In Aim 1, the 5\u2009mg\/kg treated rabbits had a significant increase in PEA when compared to controls at 16\u2010week (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05). In Aim 2, the 5\u2009mg\/kg treated rabbits had a significant increase in PEA when compared to controls at 10\u2010week (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05). In both aims, no significant differences were observed at later time points. Capsular stiffness was no different in any group. We are the first to report the efficacy of IV AdipoRon in a rabbit model of arthrofibrosis. We identified a significant dose\u2010dependent decrease in joint PEA at early time points; however, no differences were observed between groups at later time points. Clinical Significance: The present investigation provided the first assessment of AdipoRon's efficacy in mitigating knee stiffness in the current gold standard rabbit model of arthrofibrosis. Results of this investigation provided further evidence as to the potential role of AdipoRon as a preventative for arthrofibrosis in large mammals.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jor.25853","type":"journal-article","created":{"date-parts":[[2024,4,12]],"date-time":"2024-04-12T06:35:08Z","timestamp":1712903708000},"page":"1916-1922","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Efficacy of ADIPOR1 and ADIPOR2 peptide\u2010agonist AdipoRon in preventing contracture in a rabbit model of arthrofibrosis"],"prefix":"10.1002","volume":"42","author":[{"given":"Harold I.","family":"Salmons","sequence":"first","affiliation":[{"name":"Department of Orthopedic Surgery Mayo Clinic Rochester Minnesota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mason F.","family":"Carstens","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery Mayo Clinic Rochester Minnesota 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