SynthesisEuropean journal of neurology2026
Predictors of Multiple Sclerosis After Clinically Isolated Syndrome: A Systematic Review and Meta-Analysis.
Synthesis in European journal of neurology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the 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.
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Authors and funding
10 authors.
Funding
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Abstract
backgroundMost people with multiple sclerosis (MS) present with a clinically isolated syndrome (CIS); however, not all individuals with CIS are subsequently diagnosed with MS.
methodsA systematic literature review was conducted until December 2025. Observational studies of adults with CIS that were later diagnosed with MS were included. Odds ratios (ORs) were pooled using random-effects meta-analysis. Heterogeneity was assessed with I
resultsSeventy-two studies with 9915 adults were included. In the meta-analysis, younger age (OR = 1.6, p < 0.01) and multifocal presentation (OR = 1.55, p = 0.02) were associated with a diagnosis of MS after a CIS. Magnetic resonance imaging findings, including a higher number of T2 lesions (OR = 7.46, p = 0.02), periventricular lesions (OR = 4.08, p < 0.01), corpus callosum lesions (OR = 14.89, p = 0.02), infratentorial lesions (OR = 2.16, p = 0.03), spinal cord lesions (OR = 1.4, p = 0.03), and gadolinium-enhancing lesions (OR = 1.91, p = 0.01), as well as cerebrospinal fluid inflammatory markers such as oligoclonal bands (OR = 3.57, p < 0.01) and pleocytosis (OR = 3.34, p = 0.02), were also associated with a subsequent diagnosis of MS.
conclusionsThis meta-analysis identified factors associated with an increased likelihood of MS after a CIS. These findings may help identify high-risk individuals and guide personalized treatment strategies.
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