Digital Monitoring of Upper Limb Function in Non-Ambulant DMD (Acti-nRoll)
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.
調査の概要
状態
研究の種類
入学 (推定)
段階
- 適用できない
連絡先と場所
研究連絡先
- 名前:Dounia Chelha
- 電話番号:+3243215498
- メール:Khadidja.Chelha@citadelle.be
研究場所
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Liège、ベルギー、4000
- Centre de référence des maladies neuromusculaire, Centre Hospitalier Régional de la Citadelle
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参加基準
適格基準
就学可能な年齢
- 子
- 大人
- 高齢者
健康ボランティアの受け入れ
説明
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
研究計画
研究はどのように設計されていますか?
デザインの詳細
- 主な目的:診断
- 割り当て:なし
- 介入モデル:単一グループの割り当て
- マスキング:なし(オープンラベル)
武器と介入
参加者グループ / アーム |
介入・治療 |
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実験的:Non-ambulant participants with Duchenne Muscular Dystrophy (DMD)
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Sydeは、ホームベースの環境で使用することを目的とした革新的なデバイスです。
これは、線形加速度、角速度、動きの磁場をすべての方向に記録する磁気介入センサーを含む2つの時計のようなセンサーで構成されています。2つの時計は、腕時計として着用するか、足首の近くに配置できます。
次の関数の最大力の動的測定測定は、Myotools:Palmar Grip(MyoGRIP)およびThumb-Index Pinch(Myopinch)で採取されます。
テストは支配的な側で実現されます。
患者は検査中に奨励されます。
それらには3つの試行が与えられ、最高のスコアが入力されます。
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.
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.
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.
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.
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.
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').
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この研究は何を測定していますか?
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
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Device usage (recording time)
時間枠:Recording periods at Baseline, Month 6, Month 12, Month 18, Month 24
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Total recording time per recording period (hours)
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Recording periods at Baseline, Month 6, Month 12, Month 18, Month 24
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Patient compliance (Min)
時間枠:Recording periods at Baseline, Month 6, Month 12, Month 18, Month 24
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Percentage of participants achieving minimal threshold (expected 50h) of recording time per period
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Recording periods at Baseline, Month 6, Month 12, Month 18, Month 24
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Patient compliance (Max)
時間枠:Recording periods at Baseline, Month 6, Month 12, Month 18, Month 24
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Percentage of participants achieving optimal threshold (expected 180h) of recording time per period
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Recording periods at Baseline, Month 6, Month 12, Month 18, Month 24
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二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
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Reliability
時間枠:Baseline, Month 6, Month 12, Month 18, Month 24
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Intraclass Correlation Coefficient (ICC) for two distinct consecutive half-periods
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Baseline, Month 6, Month 12, Month 18, Month 24
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Clinical validity of digital outcome vs Brooke
時間枠:Baseline, Month 6, Month 12, Month 18, Month 24
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Correlation between digital outcome and Brooke Upper Extremity Rating Scale (Brooke score)
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Baseline, Month 6, Month 12, Month 18, Month 24
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Clinical validity of digital outcome vs PUL
時間枠:Baseline, Month 6, Month 12, Month 18, Month 24
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Correlation between digital outcome and Performance of Upper Limb (PUL) score
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Baseline, Month 6, Month 12, Month 18, Month 24
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Sensitivity of Digital Upper Limb Outcome Measures
時間枠:Baseline, Month 6, Month 12, Month 18, Month 24
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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).
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Baseline, Month 6, Month 12, Month 18, Month 24
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協力者と研究者
捜査官
- 主任研究者:Laurent Servais, MD、Centre Hospitalier Universitaire de Liege
研究記録日
主要日程の研究
研究開始 (推定)
一次修了 (推定)
研究の完了 (推定)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (実際)
学習記録の更新
投稿された最後の更新 (実際)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
本研究に関する用語
キーワード
追加の関連 MeSH 用語
その他の研究ID番号
- Acti-nRoll
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