Trial reportAnnals of neurology2021
Serum Glial Fibrillary Acidic Protein: A Neuromyelitis Optica Spectrum Disorder Biomarker.
Trial report in Annals of neurology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 86 papers, 2 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
86 citing papers in PubMed, 2 syntheses or guidelines pooled it, 133 citations in OpenAlex.
- Clinical applications and diagnostic research of GFAP and NfL in MS and NMOSD: a meta-analysis.BMC immunology · 2025Pooled it
- The Role of Glial Fibrillary Acidic Protein as a Biomarker in Multiple Sclerosis and Neuromyelitis Optica Spectrum Disorder: A Systematic Review and Meta-Analysis.Medicina (Kaunas, Lithuania) · 2024Pooled it
- B cell and aquaporin-4 antibody relationships with neuromyelitis optica spectrum disorder activity.Annals of clinical and translational neurology · 2024Trial
- Serum neurofilament light chain levels at attack predict post-attack disability worsening and are mitigated by inebilizumab: analysis of four potential biomarkers in neuromyelitis optica spectrum disorder.Journal of neurology, neurosurgery, and psychiatry · 2023Trial
- Attack adjudication in neuromyelitis optica spectrum disorder: Substantiation of criteria by magnetic resonance imaging and biomarkers in N-MOmentum.Multiple sclerosis (Houndmills, Basingstoke, England) · 2023Trial
- Review
- Recognition and management of acute relapse of multiple sclerosis, neuromyelitis optica spectrum disorder and myelin oligodendrocyte glycoprotein antibody-associated disease.Cell death and differentiation · 2026Review
- Use of Fluid Biomarkers in NMOSD and MOGAD: Clinical and Research Applications.Neurology(R) neuroimmunology & neuroinflammation · 2026Review
- Global trends and emerging hotspots in neuromyelitis optica spectrum disorder diagnostic research: A bibliometric analysis.Medicine · 2026Review
- Article
- Evaluation of Dried Plasma Spot-Based Quantification of Glial Fibrillary Acidic Protein as a Disease-Associated Biomarker in Neuromyelitis Optica Spectrum Disorder.Annals of clinical and translational neurology · 2026Article
- Article
- Complement Inhibition for Acute Neuromyelitis Optica Spectrum Disorder Attacks: Insights From an International Case Series.Neurology(R) neuroimmunology & neuroinflammation · 2026Article
- Natalizumab exacerbates astrocytopathy in NMOSD via blockade of endothelial VCAM1-astrocytic integrin α4 interaction.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- EEG biomarkers of microstructural damage in normal-appearing white matter among patients with neuromyelitis optica spectrum disorder: A DTI-EEG combined study.Frontiers in immunology · 2026Article
- Neuroglial markers of damage in autoimmune neurology.Therapeutic advances in neurological disorders · 2026Review
- Longitudinal assessment of sNfL and sGFAP in severe NMOSD treated with allogeneic stem cell transplantation.Frontiers in immunology · 2026Article
- Predict disabling severe attacks in neuromyelitis optica spectrum disorders: warning symptoms and innovative machine learning models.Journal of translational medicine · 2025Article
- Plasma NfL and GFAP as Candidate Biomarkers of Disease Activity in NMOSD and MOGAD.Medicina (Kaunas, Lithuania) · 2025Article
- GFAP as a marker of astrocytic damage correlated with medication overuse in migraine.Immunologic research · 2025Article
26 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors at 4 institutions in 2 countries.
Funding
Abstract
objectiveBlood tests to monitor disease activity, attack severity, or treatment impact in neuromyelitis optica spectrum disorder (NMOSD) have not been developed. This study investigated the relationship between serum glial fibrillary acidic protein (sGFAP) concentration and NMOSD activity and assessed the impact of inebilizumab treatment.
methodsN-MOmentum was a prospective, multicenter, double-blind, placebo-controlled, randomized clinical trial in adults with NMOSD. sGFAP levels were measured by single-molecule arrays (SIMOA) in 1,260 serial and attack-related samples from 215 N-MOmentum participants (92% aquaporin 4-immunoglobulin G-seropositive) and in control samples (from healthy donors and patients with relapsing-remitting multiple sclerosis).
resultsAt baseline, 62 participants (29%) exhibited high sGFAP concentrations (≥170 pg/ml; ≥2 standard deviations above healthy donor mean concentration) and were more likely to experience an adjudicated attack than participants with lower baseline concentrations (hazard ratio [95% confidence interval], 3.09 [1.6-6.1], p = 0.001). Median (interquartile range [IQR]) concentrations increased within 1 week of an attack (baseline: 168.4, IQR = 128.9-449.7 pg/ml; attack: 2,160.1, IQR = 302.7-9,455.0 pg/ml, p = 0.0015) and correlated with attack severity (median fold change from baseline [FC], minor attacks: 1.06, IQR = 0.9-7.4; major attacks: 34.32, IQR = 8.7-107.5, p = 0.023). This attack-related increase in sGFAP occurred primarily in placebo-treated participants (FC: 20.2, IQR = 4.4-98.3, p = 0.001) and was not observed in inebilizumab-treated participants (FC: 1.1, IQR = 0.8-24.6, p > 0.05). Five participants (28%) with elevated baseline sGFAP reported neurological symptoms leading to nonadjudicated attack assessments.
interpretationSerum GFAP may serve as a biomarker of NMOSD activity, attack risk, and treatment effects. ANN NEUROL 2021;89:895-910.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.