Improving Recovery After Stroke Via Electrical Stimulation of Proprioceptors
調査の概要
詳細な説明
Study participants will be instructed to perform upper-limb movements using a system designed for upper-limb rehabilitation (Armeo Spring by Hocoma AG). The system provides subjects with unloading of the stroke-affected arm thus facilitating the performance of upper-limb movements. The system will be used to track the movements of the stroke-affected arm. Simultaneously, a custom-designed system (a prototype developed by the investigators) will be used to deliver small electrical currents to the arm. We hypothesize that the currents delivered to the arm will improve the accuracy of the movements performed by study participants.
To assess if delivering small currents to the arm has an effect on the accuracy of the movements performed by the study participants, they will receive actual stimulation for some trials and sham stimulation for other trials. Because the investigators will deliver very small currents, study participants will be unable to perceive such currents and hence tell if they are performing the movements while receiving actual or sham stimulation. By comparing trials performed while subjects receive actual stimulation with trials performed while subjects received sham stimulation, the investigators will determine if the stimulation has an effect on the accuracy of the movements performed by the subjects.
It is worth noticing that the investigators collected primary outcome data to assess changes associated with the use of actual stimulation vs sham stimulation. Data during a follow-up session was also collected, but not for the purpose of collecting outcome measures.
研究の種類
入学 (実際)
段階
- 適用できない
連絡先と場所
研究場所
-
-
Massachusetts
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Boston、Massachusetts、アメリカ、02129
- Spaulding Rehabilitation Hospital Boston
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-
参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
受講資格のある性別
説明
Inclusion Criteria:
- unilateral and cortical, subcortical, or cerebellar stroke
- 6 months post-stroke
- Upper extremity impairments but able to move upper extremity against gravity 25% of the range
- Ability to understand directions and follow simple instructions
- Medically stable
- Upper Extremity Fugl-Meyer between 28 and 55
- At least four (4) months since last botox treatment
- Mini-Mental State Examination (MMSE) ≥ 23
Exclusion Criteria:
- Participation in other forms of therapy/ intervention for upper extremity motor recovery
- Upper extremity or trunk fractures
- Severe fixed contractures affecting the upper limbs
- Severe perceptual deficits or visual field impairments
- Severe cognitive deficits
- Pregnant women
- Presence of an implanted electrically operated medical device
- Evidence of more than one clinical stroke
- Serious medical or neurological illness
- History of head trauma or cerebral infectious disease
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：基礎科学
- 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 |
|---|---|
|
他の：Current stimulator
The investigators have developed a device to deliver very small currents to the arm.
The device will be used while subjects perform upper-limb movements using a device for upper-limb rehabilitation.
Subjects will perform multiple trials of movement.
During half of the trials, they will receive actual stimulation.
During the other half, they will receive sham stimulation.
|
This is a device developed by the investigators to produce sub-sensory electrical stimulation delivered via subcutaneous electrodes placed on the skin.
|
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 |
|---|---|---|
|
Fugl-Meyer Assessment
時間枠：Changes in Fugl-Meyer Assessment score with vs without stimulation
|
Subjects are asked to perform upper-limb movements from which a therapist can assess the severity of movement abnormalities (e.g.
flexion synergies)
|
Changes in Fugl-Meyer Assessment score with vs without stimulation
|
二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
Jebsen-Taylor Hand Function Test
時間枠：Changes in Jebsen-Taylor Hand Function Test score with vs without stimulation
|
Subjects are asked to perform a set of functional movements from which a therapist can assess subjects' functional limitations
|
Changes in Jebsen-Taylor Hand Function Test score with vs without stimulation
|
|
Motor Activity Log
時間枠：Change in Motor Activity Log score with vs without stimulation
|
Subjects are asked about the amount and quality of use of their stroke-affected arm during the performance of daily activities
|
Change in Motor Activity Log score with vs without stimulation
|
|
Modified Ashworth Scale
時間枠：Change in Modified Ashworth Scale score with vs without stimulation
|
A therapist examines subjects to assess the severity of spasticity
|
Change in Modified Ashworth Scale score with vs without stimulation
|
|
Box and Block test
時間枠：Change in Box and Block test score with vs without stimulation
|
Subjects are asked to move as many small wooden blocks as possible from one to box to another in a set amount of time
|
Change in Box and Block test score with vs without stimulation
|
|
Grip strength
時間枠：Change in grip strength with vs without stimulation
|
A hand dynamometer is used to measure grip strength
|
Change in grip strength with vs without stimulation
|
協力者と研究者
研究記録日
主要日程の研究
研究開始 (実際)
一次修了 (実際)
研究の完了 (実際)
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 (見積もり)
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
この情報は、Web サイト clinicaltrials.gov から変更なしで直接取得したものです。研究の詳細を変更、削除、または更新するリクエストがある場合は、register@clinicaltrials.gov。 までご連絡ください。 clinicaltrials.gov に変更が加えられるとすぐに、ウェブサイトでも自動的に更新されます。
Current stimulatorの臨床試験
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University of North Carolina, Chapel HillNational Institute of Mental Health (NIMH)完了
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Sakarya University招待による登録
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Beijing Pins Medical Co., LtdBeijing Tiantan Hospitalわからない
-
First Affiliated Hospital of Zhejiang UniversityMaastricht University; Zhejiang Mingzhou Brain Rehabilitation Hospital完了
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Saluda Medical Americas, Inc.完了