The present research is an observational clinical study. The project aims to investigate astrocytic damage, assessed through biological findings such as an increase in GFAP level and/or MRI water index, in patients with NMOSD and its potential role in predicting demyelinating relapses or affecting disability outcomes. It will also explore predictors of astrocytic relapses, focusing on demographic, clinical, and immunological biomarkers like T cell responses, B cell repopulation, and cytokine levels. The goal is to identify unrecognized disease activity, providing insights for future research and clinical trials. The study will involve 8 sites in Italy: 6 NMOSD clinical centers for patient enrolment and 2 centers for bioengineering and biological analysis. Centralized analysis of the MRI images of all patients enrolled in the clinical centers will be performed by the Neuroimaging Research Unit Fase 1 of San Raffaele Hospital. A total of 50 patients will be included and they will be followed for 12 months. Comprehensive evaluation of patients, including clinical assessment, bioengineering evaluation, MRI, and blood samples, will be conducted at baseline, month 6, and month 12. To assess silent astrocytic relapses, a specialized evaluation will take place at months 3 and 9, including clinical analysis, blood samples to assess biomarkers like GFAP, a reduced MRI protocol to assess MRI water index, and bioengineering evaluation. In the case of a classical relapse, a dedicated visit will occur within 5 days of symptom onset, using the same evaluation protocol as at months 3 and 9 (MRI and biomarkers will be evaluated if not done in the month before).
Age range
18 Years
Sex
ALL
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Identifying predictors of clinical relapse
Timeframe: From enrollment to 12 months