{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,20]],"date-time":"2026-02-20T06:05:11Z","timestamp":1771567511107,"version":"3.50.1"},"reference-count":34,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,2,20]],"date-time":"2026-02-20T00:00:00Z","timestamp":1771545600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Neurol."],"abstract":"<jats:p>Relapsing Multiple Sclerosis (RMS) is characterized by neuroinflammation and neurodegeneration, leading to disability. Ofatumumab (OFA), an anti-CD20 monoclonal antibody, has shown promise as a disease-modifying therapy. This study aimed to assess the neuroprotective effects of OFA in RMS using multimodal magnetic resonance imaging (MRI). We conducted a retrospective cohort study comparing 16 RMS patients receiving OFA for 1 year (Treatment Group, TG) with 8 treatment-na\u00efve patients (No-Treatment Group, NTG). Participants underwent 3T MRI scans, including 3D T1-weighted, diffusion tensor imaging (DTI), and resting-state functional MRI (rs-fMRI). Clinical outcomes were measured using the Expanded Disability Status Scale (EDSS), timed 25-Foot Walk (T25FW), and cognitive assessments. Results showed significant improvements in motor function and anxiety in the TG, alongside increased white matter integrity and stable cognition. Notably, TG patients exhibited enhanced functional connectivity between the thalamus and cortex, as well as increased fractional anisotropy (FA) in key white matter tracts. In contrast, the NTG displayed gray matter atrophy. These preliminary findings suggest that OFA treatment may preserve brain structure and function in RMS, with potential neuroprotective effects mediated, through thalamocortical network modulation and white matter restoration.<\/jats:p>","DOI":"10.3389\/fneur.2026.1738469","type":"journal-article","created":{"date-parts":[[2026,2,20]],"date-time":"2026-02-20T05:21:56Z","timestamp":1771564916000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Multimodal MRI Assessment of neuroprotective effects of Ofatumumab on brain structure, function, and clinical correlates in Relapsing Multiple Sclerosis"],"prefix":"10.3389","volume":"17","author":[{"given":"Jing","family":"An","sequence":"first","affiliation":[{"name":"Department of Neurology, China-Japan Union Hospital of Jilin University","place":["Changchun, China"]},{"name":"Medical Department, The Sixth Hospital of Changchun","place":["Changchun, 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