Evidence map›Paper›PMID 40671379›Full record

Observational studyMuscle & nerve2025

Quantitative Muscle Ultrasound: A Non-Invasive Biomarker for Monitoring Duchenne Muscular Dystrophy.

Yu Jin Im, Yumi Choe, Jiwon Lee, Jeehun Lee, Jong Geol Do, Jeong-Yi Kwon

Registry-linked trialAbstract readMulticenter StudyObservational Study
In one paragraph

Observational study in Muscle & nerve, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05249361 (Correlation Between Functional Capacity and Functional Capability in Patients With Duchenne Muscular Dystrophy-A Longitudinal Study), which is not on this map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
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.

NCT05249361 unknown statusnot on this map

Correlation Between Functional Capacity and Functional Capability in Patients With Duchenne Muscular Dystrophy-A Longitudinal Study

TypeobservationalSponsorSamsung Medical CenterRan2023 to 2025Enrolled48ConditionsDuchenne Muscular DystrophyArmsno intervention
3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

  1. Article
  2. Observational
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

6 authors.

Yu Jin ImDepartment of Physical and Rehabilitation Medicine, Samsung Medical Center, Seoul, Republic of Korea.ORCID https://orcid.org/0000-0002-3284-3024
Yumi ChoeDepartment of Physical and Rehabilitation Medicine, Samsung Medical Center, Seoul, Republic of Korea.ORCID https://orcid.org/0009-0006-2059-125X
Jiwon LeeSungkyunkwan University School of Medicine, Seoul, Republic of Korea.ORCID https://orcid.org/0000-0002-8456-684X
Jeehun LeeSungkyunkwan University School of Medicine, Seoul, Republic of Korea.ORCID https://orcid.org/0000-0002-8499-3307
Jong Geol DoDepartment of Physical and Rehabilitation Medicine, Samsung Medical Center, Seoul, Republic of Korea.ORCID https://orcid.org/0000-0001-8001-7782
Jeong-Yi KwonDepartment of Physical and Rehabilitation Medicine, Samsung Medical Center, Seoul, Republic of Korea.ORCID https://orcid.org/0000-0003-2011-8834

Funding

ENCell Co. Ltd., Republic of Korea
6 · The paper itself

Abstract

INTRODUCTION/

aimsQuantitative muscle ultrasound (QMUS) shows promise as a non-invasive biomarker for monitoring functional status in Duchenne muscular dystrophy (DMD). We evaluated the correlation between QMUS in various muscles and functional capacity assessments. Additionally, we compared the utility of composite QMUS scores as a comprehensive measure of disease progression to that of single-muscle analyses.

methodsWe analyzed baseline data from an ongoing prospective study involving 23 patients with DMD (aged 5-18 years; mean 10.7; SD 4.2). High-resolution ultrasound scans of muscle groups across the upper and lower limbs, head and neck, and diaphragm were assessed for muscle echogenicity using mean grayscale values (MGV). Functional capacity assessments included the 6-min walk test (6MWT), North Star Ambulatory Assessment (NSAA), Performance of Upper Limb (PUL) module, timed function tests, quantitative muscle strength tests, and respiratory muscle strength tests.

resultsThe composite MGV for upper and lower limbs demonstrated moderate to strong negative correlations with the 6MWT and NSAA scores (correlation coefficient [CC]: -0.44 to -0.74; p < 0.01) and strong to very strong positive correlations with rise-from-floor, 4-stair climb, and 10-m walk/run times (CC: 0.65 to 0.87; p < 0.01). For upper limb function, the MGV of the flexor carpi radialis muscle was negatively correlated with PUL scores (CC = -0.35, p = 0.02). However, no significant correlations were observed between QMUS parameters and muscle strength test (p > 0.05). DISCUSSION: QMUS offers a non-invasive method for assessing muscle changes and tracking disease progression in DMD.

trial registrationClinicalTrials.gov identifier: NCT05249361.

Indexed as

Muscle, SkeletalMuscular Dystrophy, DuchenneAdolescentBiomarkersChildChild, PreschoolDisease ProgressionHumansMaleMuscle StrengthProspective StudiesUltrasonographyWalk TestBiomarkersDuchenne muscular dystrophyfunctional capacitygrayscale level analysismuscle ultrasound

Identifiers

PMID40671379
PMCPMC12435151

What OpenQuestion holds

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LicenceCC BY-NC
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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.