ArticleTherapeutic advances in neurological disorders2026
Relapse risk and functional outcomes in anti-LGI1 encephalitis: A multicenter retrospective analysis.
Article in Therapeutic advances in neurological disorders, 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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Abstract
Background: Anti-leucine-rich glioma-inactivated protein 1 (LGI1) encephalitis presents relapse risk and potential functional impairment, with no established maintenance treatment guidelines. Objectives: The study aimed to uncover prognostic signatures, and identify predictors of relapse and poor outcome using real-world evidence. Design: This multicenter retrospective study included anti-LGI1 encephalitis patients from five tertiary hospitals in Eastern China between January 2015 and January 2024, with ≥ 24-month follow-up. Methods: Relapse was defined as the presence of new or worsening clinical features after at least 3 months of stability or improvement. Poor outcome was defined as a modified Rankin Scale score > 2 at last follow-up. Results: A total of 104 patients were included (median age 56.5 years, 60.6% male). Following the acute phase, the majority (66.3%) received prolonged corticosteroid treatment (≥6 months) without steroid-sparing maintenance immunotherapy (SSMI), whereas 16.3% received SSMI. Twelve patients (11.5%) experienced relapse. Hyponatremia at diagnosis was more common in relapsing patients ( Conclusion: This study suggests that hyponatremia is associated with an increased risk of relapse and poor outcome in anti-LGI1 encephalitis. These findings may facilitate individualized risk stratification, but further validation in larger prospective cohorts is needed.
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