Home-based gait analysis as an exploratory endpoint during a multicenter phase 1 trial in limb girdle muscular dystrophy type R2 and facioscapulohumeral muscular dystrophy

© 2021 Wiley Periodicals LLC..

INTRODUCTION/AIMS: Limb girdle muscular dystrophy type 2B (LGMDR2) and facioscapulohumeral muscular dystrophy (FSHD) are genetic muscular dystrophies with an increasing number of potential therapeutic approaches. The aim of this study is to report the data of exploratory digital outcomes extracted from wearable magneto-inertial sensors used in a non-controlled environment for ambulant patients with FSHD and LGMDR2 in a short-term, multicenter clinical study.

METHODS: Digital outcomes (stride length, stride speed, and walk parameters in a non-controlled environment) were used as exploratory outcomes in the open-label study ATYR1940-C-004 in ambulant patients during the 3 mo of ATYR1940 treatment and 1 mo of follow-up. Activity and gait variables were calculated from the data recorded in 30-day sub-periods using the sensors. For each sub-period, activity and gait parameters were compared between FSHD and LGMDR2 patients. Change from baseline over the 4-mo study period was assessed.

RESULTS: Ten patients (5 FSHD, 5 LGMDR2) were ambulant and compliant for analysis. Gait parameters, but not activity variables, were significantly lower in LGMDR2 compared to FSHD patients at baseline. Longitudinal analyses showed a slight but significant decrease in stride speed at month 4 for all subjects. Activity variables such as total number of strides per day were highly variable from month to month in individual patients, and no visit effects were found for this variable.

DISCUSSION: The present study suggests that home-recorded stride speed constitutes a precise and sensitive outcome in ambulant patients with FSHD and LGMDR2.

Medienart:

E-Artikel

Erscheinungsjahr:

2022

Erschienen:

2022

Enthalten in:

Zur Gesamtaufnahme - volume:65

Enthalten in:

Muscle & nerve - 65(2022), 2 vom: 22. Feb., Seite 237-242

Sprache:

Englisch

Beteiligte Personen:

Gidaro, Teresa [VerfasserIn]
Gasnier, Erwan [VerfasserIn]
Annoussamy, Melanie [VerfasserIn]
Vissing, John [VerfasserIn]
Attarian, Shahram [VerfasserIn]
Mozaffar, Tahseen [VerfasserIn]
Iyadurai, Stanley [VerfasserIn]
Wagner, Kathryn R [VerfasserIn]
Vissière, David [VerfasserIn]
Walker, Gennyne [VerfasserIn]
Shukla, Sanjay S [VerfasserIn]
Servais, Laurent [VerfasserIn]

Links:

Volltext

Themen:

Clinical Trial, Phase I
Clinical trial
Facioscapulohumeral dystrophy
Home-monitoring
Journal Article
Limb girdle muscular dystrophy
Multicenter Study
Neuromuscular disorder

Anmerkungen:

Date Completed 18.03.2022

Date Revised 18.03.2022

published: Print-Electronic

Citation Status MEDLINE

doi:

10.1002/mus.27446

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM332273415