ArticleAnnals of clinical and translational neurology2026
Longitudinal Assessment of Biomarkers in ALS: Discriminative Biomarkers for Disease Progression and Survival.
Article in Annals of clinical and translational 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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Abstract
objectiveTo assess the association and discriminative performance of serum biomarkers with clinical disease progression and survival in patients with amyotrophic lateral sclerosis (ALS).
methodsThis retrospective study, conducted at Houston Methodist Hospital, Houston, TX, used longitudinal serum samples collected between January 2018 and December 2022. A cohort of 100 patients with sporadic or familial ALS was randomly selected and assayed by ELISAs for biomarkers 4-hydroxy-2-nonenal (4-HNE), lipopolysaccharide binding protein (LBP), and neurofilament light chain (NfL) levels.
resultsEach biomarker was increased in patients. 4-HNE and LBP were increased at diagnosis and continued to increase as the disease progressed; both correlated with progression rates and survival. NfL was increased at diagnosis, then plateaued relatively. LBP correlated with ALSFRS-R at diagnosis; NfL did not correlate. 4-HNE and LBP were increased in bulbar onset patients who survived a shorter period of time; NfL levels for bulbar/limb onsets were not different. Receiver operating characteristic analyses with apparent and optimism-adjusted area-under-the-curve (AUC) demonstrated that 4-HNE and LBP discriminated rapid progression and survival, whereas NfL showed modest discrimination for rapid progression. The combination of biomarkers yielded improved AUCs as depicted in Venn diagrams across individual and combined biomarkers.
interpretation4-HNE, LBP, and NfL are biomarkers of lipid peroxidation, systemic inflammation, and axonal integrity. 4-HNE and LBP correlated with disease burden, disease progression, and survival. In the bulbar onset, survival was shortened and associated with increased 4-HNE and LBP. This exploratory longitudinal study suggests the utility of combining biomarkers to discriminate disease progression and survival and monitor clinical trial outcomes.
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