Smartphone-based assessment of mobility and manual dexterity in adult people with spinal muscular atrophy
Background:More responsive, reliable, and clinically valid endpoints of disability are essential to reduce size, duration, and burden of clinical trials in adult persons with spinal muscular atrophy (aPwSMA).Objective:The aim is to investigate the feasibility of smartphone-based assessments in aPwSM...
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
3 September 2024
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| In: |
Journal of neuromuscular diseases
Year: 2024, Volume: 11, Issue: 5, Pages: 1049-1065 |
| ISSN: | 2214-3602 |
| DOI: | 10.3233/JND-240004 |
| Online Access: | Verlag, kostenfrei, Volltext: https://doi.org/10.3233/JND-240004
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| Author Notes: | Eduardo Arteaga-Bracho, Gautier Cosne, Christoph Kanzler, Angelos Karatsidis, Claudia Mazzà, Joaquin Penalver-Andres, Cong Zhu, Changyu Shen, Kelley Erb M., Maren Freigang, Hanna-Sophie Lapp, Simone Thiele, Stephan Wenninger, Erik Jung, Susanne Petri, Markus Weiler, Christoph Kleinschnitz, Maggie C. Walter, René Günther, Nolan Campbell, Shibeshih Belachew, and Tim Hagenacker |
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| 245 | 1 | 0 | |a Smartphone-based assessment of mobility and manual dexterity in adult people with spinal muscular atrophy |c Eduardo Arteaga-Bracho, Gautier Cosne, Christoph Kanzler, Angelos Karatsidis, Claudia Mazzà, Joaquin Penalver-Andres, Cong Zhu, Changyu Shen, Kelley Erb M., Maren Freigang, Hanna-Sophie Lapp, Simone Thiele, Stephan Wenninger, Erik Jung, Susanne Petri, Markus Weiler, Christoph Kleinschnitz, Maggie C. Walter, René Günther, Nolan Campbell, Shibeshih Belachew, and Tim Hagenacker |
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| 520 | |a Background:More responsive, reliable, and clinically valid endpoints of disability are essential to reduce size, duration, and burden of clinical trials in adult persons with spinal muscular atrophy (aPwSMA).Objective:The aim is to investigate the feasibility of smartphone-based assessments in aPwSMA and provide evidence on the reliability and construct validity of sensor-derived measures (SDMs) of mobility and manual dexterity collected remotely in aPwSMA.Methods:Data were collected from 59 aPwSMA (23 walkers, 20 sitters and 16 non-sitters) and 30 age-matched healthy controls (HC). SDMs were extracted from five smartphone-based tests capturing mobility and manual dexterity, which were administered in-clinic and remotely in daily life for four weeks. Reliability (Intraclass Correlation Coefficients, ICC) and construct validity (ability to discriminate between HC and aPwSMA and correlations with Revised Upper Limb Module, RULM and Hammersmith Functional Scale - Expanded HFMSE) were quantified for all SDMs.Results:The smartphone-based assessments proved feasible, with 92.1% average adherence in aPwSMA. The SDMs allowed to reliably assess both mobility and dexterity (ICC>0.75 for 14/22 SDMs). Twenty-one out of 22 SDMs significantly discriminated between HC and aPwSMA. The highest correlations with the RULM were observed for SDMs from the manual dexterity tests in both non-sitters (Typing, ρ=0.78) and sitters (Pinching, ρ=0.75). In walkers, the highest correlation was between mobility tests and HFMSE (5 U-Turns, ρ=0.79).Conclusions:This exploratory study provides preliminary evidence for the usability of smartphone-based assessments of mobility and manual dexterity in aPwSMA when deployed remotely in participants’ daily life. Reliability and construct validity of SDMs remotely collected in real-life was demonstrated, which is a pre-requisite for their use in longitudinal trials. Additionally, three novel smartphone-based performance outcome assessments were successfully established for aPwSMA. Upon further validation of responsiveness to interventions, this technology holds potential to increase the efficiency of clinical trials in aPwSMA. | ||
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| 700 | 1 | |a Kanzler, Christoph |e VerfasserIn |4 aut | |
| 700 | 1 | |a Karatsidis, Angelos |e VerfasserIn |4 aut | |
| 700 | 1 | |a Mazzà, Claudia |e VerfasserIn |4 aut | |
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| 700 | 1 | |a Zhu, Cong |e VerfasserIn |4 aut | |
| 700 | 1 | |a Shen, Changyu |e VerfasserIn |4 aut | |
| 700 | 1 | |a Erb M., Kelley |e VerfasserIn |4 aut | |
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| 700 | 1 | |a Lapp, Hanna-Sophie |e VerfasserIn |4 aut | |
| 700 | 1 | |a Thiele, Simone |e VerfasserIn |4 aut | |
| 700 | 1 | |a Wenninger, Stephan |e VerfasserIn |4 aut | |
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| 700 | 1 | |a Walter, Maggie C. |e VerfasserIn |4 aut | |
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| 700 | 1 | |a Campbell, Nolan |e VerfasserIn |4 aut | |
| 700 | 1 | |a Belachew, Shibeshih |e VerfasserIn |4 aut | |
| 700 | 1 | |a Hagenacker, Tim |d 1981- |e VerfasserIn |0 (DE-588)138906262 |0 (DE-627)606725563 |0 (DE-576)30953075X |4 aut | |
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