ArticleJournal of neurology2026
Substrates of 8.5-year clinical outcomes in aquaporin-4 IgG-positive neuromyelitis optica spectrum disorders.
Article in Journal of neurology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07526298 (Anticipating Irreversible Disability in Neuromyelitis Optica Spectrum Disorder), which is not on this map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Anticipating Irreversible Disability in Neuromyelitis Optica Spectrum Disorder: a Multicenter Prospective Observational Study to Assess Disease Activity in Apparently Stable Patients
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundOnly a few longitudinal studies, with follow-up duration up to 3.6 years, have assessed the substrates of relapses and disability in aquaporin-4 (AQP4) IgG-positive neuromyelitis optica spectrum disorders (NMOSD), primarily focusing on clinical and conventional MRI variables.
objectiveWe evaluated the association of clinical and MRI measures, including a comprehensive multimodal advanced MRI protocol, with key long-term clinical outcomes in AQP4 IgG-positive NMOSD patients over a median follow-up of 8.5 years (interquartile range [IQR] = 3.5; 13.3).
methodsForty-six NMOSD patients and 77 healthy controls underwent 3T brain MRI. In patients, neurological evaluations were collected at baseline and every six months. Time to first relapse and 6-month confirmed disability worsening (6m-CDW) were recorded. Lesion volume and topography, global and regional brain volumes, normal-appearing white matter and gray matter fractional anisotropy and mean diffusivity, choroid plexus volume, enlarged perivascular spaces number and glymphatic system function were assessed.
resultsDuring the follow-up, 30% patients experienced at least one clinical relapse, while 22% had 6m-CDW. Higher number of previous attacks (hazard ratio [HR] = 1.17, 95%-confidence interval [CI] = 1.04; 1.32) and presence of anterior optic pathway lesions (HR = 4.92, 95%-CI = 1.12; 21.852) were risk factors independently associated with a shorter time to a first clinical relapse; lower thalamic volume was marginally associated (HR = 0.93, 95%-CI = 0.87; 1.00). Presence of cervical cord lesions (HR = 3.93, 95%-CI = 1.16; 13.31) and lower normalized cortical volume (HR = 0.94, 95%-CI = 0.89;0.99) were risk factors independently associated with a shorter time to 6m-CDW; higher number of previous attacks contributed marginally (HR = 1.19, 95% = 0.99; 1.43). High efficacy treatments (HETs) delayed time to first relapse and 6m-CDW.
conclusionsPrevious attacks, optic nerve/spinal cord involvement, cortical/thalamic atrophy and the use of HETs associate with long-term outcomes in NMOSD.
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