Evidence map›Paper›PMID 33501671›Full record

Trial reportMuscle & nerve2021

Safety and efficacy of nusinersen in spinal muscular atrophy: The EMBRACE study.

Gyula Acsadi, Thomas O Crawford, Wolfgang Müller-Felber, Perry B Shieh, Randal Richardson, Niranjana Natarajan, Diana Castro, Daniela Ramirez-Schrempp, Giulia Gambino, Peng Sun and 1 more

Registry-linked trialOpen access · hybridAbstract readRandomized Controlled Trial
In one paragraph

Trial report in Muscle & nerve, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT02462759 (A Phase 2, Randomized, Double-blind, Sham-procedure Controlled Study to Assess the Safety and Tolerability and Explore the Efficacy of ISIS 396443), which is not on this map. Cited by 67 papers, 7 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
67citing papers in PubMed, 7 pooled it
11.1field-weighted citation impact, top 1% of its field
1 · What the graph read from 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.

2 · The registry

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.

NCT02462759 phase2terminatednot on this map

A Phase 2, Randomized, Double-blind, Sham-procedure Controlled Study to Assess the Safety and Tolerability and Explore the Efficacy of ISIS 396443 (BIIB058) Administered Intrathecally in Subjects With Spinal Muscular Atrophy Who Are Not Eligible to Participate in the Clinical Studies ISIS 396443-CS3B or ISIS 396443-CS4

TypeinterventionalSponsorBiogenRan2015 to 2018Enrolled21ConditionsSpinal Muscular AtrophyArmsNusinersen, Sham Procedure
3 · Its place in the literature

Who cites it

67 citing papers in PubMed, 7 syntheses or guidelines pooled it, 108 citations in OpenAlex.

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  14. Risdiplam therapy in adult patients with Spinal muscular Atrophy (SMA). A 24-month-real-world experience at a single muscular centre.Acta myologica : myopathies and cardiomyopathies : official journal of the Mediterranean Society of Myology · 2026
    Article
  15. Review
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  18. Spinal muscular atrophy: Biology, pathogenesis, and therapeutic advances.Therapeutic advances in neurological disorders · 2026
    Review
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  20. Review

7 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors at 9 institutions in 3 countries.

Gyula AcsadiDivision of Pediatric Neurology, Connecticut Children's Medical Center, University of Connecticut School of Medicine, Farmington, Connecticut, USA.
Thomas O CrawfordDepartment of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.ORCID 0000-0003-0916-2797
Wolfgang Müller-FelberDepartment of Neuropediatrics, Developmental Neurology and Social Pediatrics, LMU Campus Innenstadt, University of Munich, Munich, Germany.
Perry B ShiehDepartment of Neurology, UCLA Clinical and Translational Research Center, Los Angeles, California, USA.ORCID 0000-0001-7145-7663
Randal RichardsonPediatric Neurology, Gillette Children's Specialty Healthcare, St Paul, Minnesota, USA.
Niranjana NatarajanDepartment of Neurology, Seattle Children's Research Institute, Seattle, Washington, USA.
Diana CastroDepartment of Pediatrics, Neurology and Neurotherapeutics, UT Southwestern Medical Center, Dallas, Texas, USA.
Daniela Ramirez-SchremppBiogen, Cambridge, Massachusetts, USA.
Giulia GambinoBiogen, Maidenhead, UK.
Peng SunBiogen, Cambridge, Massachusetts, USA.
Wildon FarwellBiogen, Cambridge, Massachusetts, USA.
Biogen (United States) · USBiogen (United Kingdom) · GBGillette Children's Specialty Healthcare · USJohns Hopkins University · USLMU Klinikum · DESeattle Children's Hospital · USSouthern California Clinical and Translational Science Institute · USSouthwestern Medical Center · USUniversity of Connecticut · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionThe EMBRACE study (Clinical Trials No. NCT02462759) evaluated nusinersen in infants/children with infantile- or later-onset spinal muscular atrophy (SMA) who were ineligible for the ENDEAR and CHERISH studies.

methodsParticipants were randomized to intrathecal nusinersen (12-mg scaled equivalent dose; n = 14) or sham procedure (n = 7) in part 1 (~14 months) and subsequently received open-label nusinersen for ~24 months in part 2 of the study.

resultsPart 1 was stopped early after the demonstration of motor function benefit with nusinersen in ENDEAR. There were no nusinersen-related adverse events (AEs) and no study discontinuations due to nusinersen-related AEs. The most common AEs included pyrexia, cough, pneumonia, and upper respiratory tract infections. Motor milestone responder rates were higher in those receiving nusinersen at last available assessment (93%) than in those receiving sham procedure in part 1 (29%) or transitioned from sham to nusinersen in part 2 (83%). This functional improvement was observed despite the small sample size and shortened part 1 trial duration that undermined the power of the study to demonstrate such treatment effects at a significant level. DISCUSSION: Nusinersen demonstrated a favorable long-term benefit-risk profile in this broad population of individuals with infantile- or later-onset SMA.

Indexed as

Child, PreschoolDouble-Blind MethodFemaleHumansInfantInjections, SpinalMaleOligonucleotidesSpinal Muscular Atrophies of ChildhoodTreatment OutcomenusinersenOligonucleotidesclinical trianusinersensafetyspinal muscular atrophytherapeutic use

Identifiers

PMID33501671
PMCPMC8248061
OpenAlexW3123749546

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

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.