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Digital Monitoring of Upper Limb Function in Non-Ambulant DMD (Acti-nRoll)

18. juni 2026 opdateret af: Laurent Servais, Centre Hospitalier Universitaire de Liege

Feasibility, Reliability, Clinical Validity and Sensitivity of Digital Outcomes to Monitor Upper Limb Function in Non-ambulant Patients With Genetically Confirmed Duchenne Muscular Dystrophy (DMD)

Duchenne Muscular Dystrophy (DMD) is a rare genetic disorder caused by the absence of dystrophin, leading to progressive muscle degeneration. Symptoms typically begin in early childhood and result in loss of ambulation by early adolescence, followed by cardiorespiratory complications. Although early treatment, including corticosteroids and emerging therapies, can slow disease progression, sensitive tools to monitor functional decline-particularly in non-ambulant patients-remain limited.

Current assessments rely primarily on clinical scales and hospital-based evaluations, which may not detect subtle changes or reflect real-life function. Digital outcome measures derived from wearable sensors offer a promising approach for continuous, objective monitoring in daily life. This study aims to evaluate the feasibility, reliability, clinical validity, and sensitivity of digital measures to assess upper limb function in non-ambulant patients with genetically confirmed DMD. The Syde device, previously validated in ambulant DMD patients, will be investigated for its applicability in this population.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

50

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Studiesteder

  • Belgien
      • Liège, Belgien, 4000
        • Centre de référence des maladies neuromusculaire, Centre Hospitalier Régional de la Citadelle

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Barn
  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  • Patient with genetically confirmed Duchenne Muscular Dystrophy (DMD).
  • Non-ambulant at the time of inclusion (not able to walk 10m without external aid).
  • A legal guardian willing and able to provide written informed consent for participation in the study if < 18 years old.

Exclusion Criteria:

  • Any acute or chronic condition that, in the opinion of the investigator, may significantly interfere with the assessments and/or motor function progression.
  • Participation in an interventional clinical trial.
  • No access to internet connection or alternatively no capacity to come on-site to bring the Syde every 6 months after the recording periods for data retrieval by Liège team
  • Scoliosis surgery within the previous 6 months or planned within the next year

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Diagnostisk
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Non-ambulant participants with Duchenne Muscular Dystrophy (DMD)
Enhed: Syde
Syde er en innovativ enhed, der er beregnet til at blive brugt i et hjemmebaseret miljø. Det er sammensat af to urlignende sensorer, der hver indeholder en magneto-inertial sensorer, der registrerer den lineære acceleration, vinkelhastigheden, bevægelsesmagnetfeltet i alle retninger. De to ure kan bæres som armbåndsur eller placeres i nærheden af ​​ankelen.
Diagnostisk test: Dynamometriske målinger af muskelstyrke
Dynamometriske målinger af den maksimale kraft af følgende funktioner vil blive taget med Myotools: Palmar Grip (Myogrip) og tommelfingerindekspinch (Myopinch). Test realiseres på den dominerende side. Patienter vil blive opmuntret under testen. De får tre forsøg, og den bedste score indtastes.
Diagnostisk test: Performance of the Upper Limb (PUL) Test
This test consists of a set of small manoeuvres (lifting a box, writing, etc.) designed to evaluate the upper-limb functionality of non-ambulatory patients. It was developed specifically for use in cases of Duchenne muscular dystrophy.
Diagnostisk test: Brook test
The Brooke Upper Extremity Functional Rating Scale will be used to assess the global functional level of upper limb involvement. This 6-point ordinal scale classifies patients according to their highest achievable upper limb function, from full arm abduction to absence of useful hand function.
Diagnostisk test: Forced Vital Capacity (FVC) test
Forced Vital Capacity (FVC) will be assessed using standardized spirometry procedures. The primary parameter will be FVC expressed as percentage of predicted values. At least three acceptable and reproducible maneuvers will be performed according to standard guidelines.
Diagnostisk test: Clinical Global Impression - Severity (CGI-S)
The CGI-S is a clinician-rated scale used at baseline to assess the overall severity of the participant's condition, based on all available clinical information. The rating reflects the clinician's judgment without standardized scoring rules and must be performed by a clinician experienced in Duchenne Muscular Dystrophy. The CGI-S evaluates three domains: physical motor function, respiratory function, and bulbar function. It is completed after all other study assessments (excluding patient-reported outcomes) to ensure a comprehensive evaluation.
Diagnostisk test: Clinical Global Impression - Improvement (CGI-C)
The CGI-C is used at each follow-up visit to assess changes in the participant's condition relative to baseline. It provides a clinician-determined measure of improvement or worsening, based on overall clinical judgment rather than fixed criteria. Like the CGI-S, it covers physical motor, respiratory, and bulbar domains and is performed after all other study assessments (excluding patient-reported outcomes). The CGI-C is expected to track consistently with prior CGI-S evaluations, reflecting changes in disease status over time.
Andet: Patient Global Impression of severity (PGI-S)
The PGI-S (Patient Global Impression of Severity) is a simple, validated, single-item self-administered scale used to assess the current severity of a patient's condition. Widely used in clinical trials, it allows patients to rate their condition, on a 4- to 6-point scale (from 'Normal' to 'Very severe').

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Device usage (recording time)
Tidsramme: Recording periods at Baseline, Month 6, Month 12, Month 18, Month 24
Total recording time per recording period (hours)
Recording periods at Baseline, Month 6, Month 12, Month 18, Month 24
Patient compliance (Min)
Tidsramme: Recording periods at Baseline, Month 6, Month 12, Month 18, Month 24
Percentage of participants achieving minimal threshold (expected 50h) of recording time per period
Recording periods at Baseline, Month 6, Month 12, Month 18, Month 24
Patient compliance (Max)
Tidsramme: Recording periods at Baseline, Month 6, Month 12, Month 18, Month 24
Percentage of participants achieving optimal threshold (expected 180h) of recording time per period
Recording periods at Baseline, Month 6, Month 12, Month 18, Month 24

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Reliability
Tidsramme: Baseline, Month 6, Month 12, Month 18, Month 24
Intraclass Correlation Coefficient (ICC) for two distinct consecutive half-periods
Baseline, Month 6, Month 12, Month 18, Month 24
Clinical validity of digital outcome vs Brooke
Tidsramme: Baseline, Month 6, Month 12, Month 18, Month 24
Correlation between digital outcome and Brooke Upper Extremity Rating Scale (Brooke score)
Baseline, Month 6, Month 12, Month 18, Month 24
Clinical validity of digital outcome vs PUL
Tidsramme: Baseline, Month 6, Month 12, Month 18, Month 24
Correlation between digital outcome and Performance of Upper Limb (PUL) score
Baseline, Month 6, Month 12, Month 18, Month 24
Sensitivity of Digital Upper Limb Outcome Measures
Tidsramme: Baseline, Month 6, Month 12, Month 18, Month 24
Sensitivity will be evaluated by assessing the ability of digital outcome measures to detect change over time combining mean change from baseline, slope of change over time, and standardized response mean (SRM).
Baseline, Month 6, Month 12, Month 18, Month 24

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Centre Hospitalier Universitaire de Liege

Samarbejdspartnere

Centre Hospitalier Régional de la Citadelle
SYSNAV

Efterforskere

  • Ledende efterforsker: Laurent Servais, MD, Centre Hospitalier Universitaire de Liege

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

30. juli 2026

Primær færdiggørelse (Anslået)

30. juni 2029

Studieafslutning (Anslået)

30. april 2030

Datoer for studieregistrering

Først indsendt

15. juni 2026

Først indsendt, der opfyldte QC-kriterier

18. juni 2026

Først opslået (Faktiske)

23. juni 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

23. juni 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

18. juni 2026

Sidst verificeret

1. juni 2026

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • Acti-nRoll

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