ArticleFrontiers in neurology2023
Nusinersen demonstrates effectiveness in treating spinal muscular atrophy: findings from a three-year nationwide study in Korea.
Article in Frontiers in neurology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 5 of them syntheses that pooled it.
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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.
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.
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Who cites it
14 citing papers in PubMed, 5 syntheses or guidelines pooled it, 17 citations in OpenAlex.
- Effectiveness and Safety of Nusinersen and Risdiplam in Spinal Muscular Atrophy: A Systematic Review.Annals of clinical and translational neurology · 2026Pooled it
- Swallowing and feeding after disease-modifying treatment for spinal muscular atrophy: a systematic review of assessment modalities and outcomes.Orphanet journal of rare diseases · 2026Pooled it
- Systematic Review and Meta-analysis of Long-Term Nusinersen Effectiveness in Adolescents and Adults with Spinal Muscular Atrophy.Advances in therapy · 2025Pooled it
- Gene-based therapy for the treatment of spinal muscular atrophy types 1 and 2 : a systematic review and meta-analysis.Gene therapy · 2025Pooled it
- Motor Function and Safety of Nusinersen and Risdiplam in Asian Patients with Types 2-4 Spinal Muscular Atrophy (SMA): A Systematic Review and Meta-Analysis.Advances in therapy · 2025Pooled it
- Defining When Nusinersen Starts to Work: Time to Clinical Benefit in Patients with SMA Types 1-3 from a Real-World Cohort in China.Diagnostics (Basel, Switzerland) · 2026Article
- Clinical outcomes and efficacy of nusinersen in Korean adult patients with 5q spinal muscular atrophy: a nationwide multicenter retrospective study.Acta neurologica Belgica · 2026Article
- Therapeutic advances in spinal muscular atrophy: a review of clinical, safety, and economic considerations.Frontiers in pharmacology · 2026Review
- Trends in clinical studies evaluating neurofilament light chain as a biomarker.Biomarkers in medicine · 2025Article
- Transforming Spinal Muscular Atrophy: From Pivotal Trials to Real-World Evidence and Future Therapeutic Frontiers in Types 1 and 2.Biomedicines · 2025Review
- Longitudinal Assessment of 4-Year HFMSE Changes in SMA II and III Patients Treated With Nusinersen.European journal of neurology · 2025Article
- Longitudinal Efficacy of Nusinersen Treatment on Health-Related Quality of Life and Independence in Children With Later-Onset Spinal Muscular Atrophy.Muscle & nerve · 2025Article
- Five-year disease-modifying therapeutic experience of 102 Chinese paediatric 5q-spinal muscular atrophy: a retrospective analysis.Brain communications · 2025Article
- Type I spinal muscular atrophy and disease modifying treatments: a nationwide study in children born since 2016.EClinicalMedicine · 2024Article
Corrections and comments
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Authors and funding
12 authors at 6 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Introduction: Nusinersen is the first drug approved for spinal muscular atrophy (SMA) treatment. In this study, we aimed to evaluate the long-term safety and efficacy of nusinersen, assess the therapeutic effects based on the treatment initiation timing and baseline motor function, and explore the perception of functional improvement from either parents or patients, utilizing 3-year nationwide follow-up data in South Korea. Methods: We enrolled patients with SMA who were treated with nusinersen under the National Health Insurance coverage, with complete motor score records available and a minimum treatment duration of 6 months. To evaluate the motor function of patients, the Hammersmith Infant Neurological Examination-2 (HINE-2) was used for type 1 and the Expanded Hammersmith Functional Motor Scale (HFMSE) was used for types 2 and 3 patients. A significant improvement was defined as a HINE-2 score gain ≥5 for patients with type 1 and an HFMSE score Results: The study comprised 137 patients, with 21, 103, and 13 patients representing type 1, 2, and 3 SMA, respectively. At the 3-year follow-up, the analysis encompassed 7 patients with type 1, 12 patients with type 2, and none with type 3. Nearly half of all enrolled patients across SMA types (42.8, 59.2 and 46.2%, respectively) reached the 2-year follow-up for analysis. Patients with type 1 SMA exhibited gradual motor function improvement over 1-, 2-, and 3-year follow-ups (16, 9, and 7 patients, respectively). Patients with type 2 SMA demonstrated improvement over 1-, 2-, and 3-year follow-ups (96, 61 and 12 patients, respectively). Early treatment from symptom onset resulted in better outcomes for patients with type 1 and 2 SMA. In the second dataset, 90.7% of 108 patients reported subjective improvement at the 1-year follow-up. Conclusion: Nusinersen treatment for types 1-3 SMA is safe and effective in long-term follow-up. Early treatment initiation was a significant factor affecting long-term motor outcome.
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