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| Item Type: | Article |
|---|---|
| Title: | Attack adjudication in neuromyelitis optica spectrum disorder: Substantiation of criteria by magnetic resonance imaging and biomarkers in N-MOmentum |
| Creators Name: | Weinshenker, B.G., Wingerchuk, D.M., Green, A.J., Bennett, J.L., Kim, H.J., Pittock, S.J., Fujihara, K., Paul, F., Cutter, G., Marignier, R., Aktas, O., Hartung, H.P., She, D., Smith, M., Rees, W., Patterson, K., Cimbora, D., Katz, E. and Cree, B.A. |
| Abstract: | BACKGROUND: The N-MOmentum trial investigated safety and efficacy of inebilizumab in participants with neuromyelitis optica spectrum disorder (NMOSD). OBJECTIVE: Evaluate the attack identification process and adjudication committee (AC) performance in N-MOmentum. METHODS: Adults ((n) = 230) with NMOSD and Expanded Disability Status Scale score ?8 were randomized (3:1) to inebilizumab 300 mg or placebo. The randomized controlled period was 28 weeks or until adjudicated attack. Attacks were adjudicated according to 18 predefined criteria. Magnetic resonance imaging (MRI) and biomarker (serum glial fibrillary acidic protein [sGFAP]) analyses were performed. RESULTS: A total of 64 participant-reported neurological events occurred; 51 (80%) were investigator-determined to be attacks. The AC confirmed 43 of the investigator-determined attacks (84%). There was high inter- and intra-AC-member agreement. In 25/64 events (39%) and 14/43 AC-adjudicated attacks (33%), MRI was reviewed during adjudication. Retrospective analysis revealed new domain-specific T1 and T2 MRI lesions in 90% of adjudicated attacks. Increased mean sGFAP concentrations (>2-fold change) from baseline were observed in 56% of adjudicated attacks versus 14% of investigator-determined attacks rejected by the AC and 31% of participant-reported events determined not to be attacks. CONCLUSION: AC adjudication of NMOSD attacks according to predefined criteria appears robust. MRI lesion correlates and sGFAP elevations were found in most adjudicated attacks. |
| Keywords: | Biomarkers, Inebilizumab, Magnetic Resonance Imaging, Myelitis, Neuromyelitis Optica Spectrum Disorder, Optic Neuritis, Serum Glial Fibrillary Acidic Protein, GFAP |
| Source: | Multiple Sclerosis Journal |
| ISSN: | 1352-4585 |
| Publisher: | Sage Publications |
| Volume: | 29 |
| Number: | 8 |
| Page Range: | 945-955 |
| Date: | July 2023 |
| Official Publication: | https://doi.org/10.1177/13524585231172145 |
| PubMed: | View item in PubMed |
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