ArticleEuropean journal of human genetics : EJHG2026
Tofersen treatment in respiratory onset amyotrophic lateral sclerosis and a variant of uncertain significance in SOD1; a case report.
Article in European journal of human genetics : EJHG, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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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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.
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Who cites it
1 citing paper in PubMed.
- Genomics cycle: discover, diagnose, interpret, act.European journal of human genetics : EJHG · 2026Article
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Authors and funding
8 authors.
Funding
Abstract
The antisense oligonucleotide tofersen is available for treating amyotrophic lateral sclerosis (ALS) caused by pathogenic SOD1 variants. However, it is unknown whether Variants of Uncertain Significance (VUS) are a viable treatment target. We assessed clinical and biomarker trajectories prior to and after initiation of tofersen in a patient with respiratory onset ALS and a novel c.234_236del p.(Glu79del) VUS in SOD1. After six months of treatment, cerebrospinal fluid (CSF) SOD1 protein decreased by 47%, CSF NfL by 55% and serum NfL by 50%, with trajectories comparable to known pathogenic variants. Functional decline on the ALSFRS-R slowed from 1.52 points per month pre-treatment to 0.52 points per month post-treatment, muscle strength remained stable, and EQ-VAS quality of life scores remained between 60 and 70. The ability to evaluate treatment response on an individual level will help to determine the clinical relevance of VUS as new gene-targeted treatments for ALS become available.
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