- ICH GCP
- Rejestr badań klinicznych w USA
- Badanie kliniczne NCT00929656
Combined Neural and Behavioral Therapies to Enhance Stroke Recovery
Combining Neural and Behavioral Therapies to Enhance Stroke Recovery
Przegląd badań
Status
Warunki
Interwencja / Leczenie
Szczegółowy opis
Limited recovery of upper extremity (UE) function post-stroke continues to be one of the greatest challenges faced in neurorehabilitation. There is an urgent unmet need to identify effective approaches to drive UE recovery in this population. In response to this challenge, the overall purpose of this proposed research plan is to develop rehabilitation interventions that restore UE motor recovery. Contemporary approaches to motor rehabilitation are based on evidence that behavioral experience drives cortical reorganization following neural injury. Although the rationale of driving the damaged motor cortex by focused training of the paretic UE appears straightforward, and has historically been the focus of rehabilitation, functional recovery remains limited. There remains a gap between this central neurobiological change and a meaningful behavioral change. There is a need, therefore, to augment or potentiate behavioral experience. This proposal will address this gap by examining two potential drivers of the lesioned hemisphere: 1) the non-lesioned hemisphere via engagement of the unaffected UE in behavioral training and 2) stimulation of the lesioned hemisphere via repetitive Transcranial Magnetic Stimulation (rTMS). This proposal builds on the foundation of the applicant's previous work which suggested that the contralesional, intact, hemisphere could be used to drive the lesioned hemisphere through bimanual movement. Additionally, it is possible to drive the lesioned hemisphere externally using rTMS to enhance cortical stimulation. Thus, pairing externally-driven enhancement of cortical excitability with internally-driven activation of the intact hemisphere during bilateral movements could combine to further increase excitability in the lesioned hemisphere and manifest improved movement capability of the paretic UE. The fundamental hypothesis guiding this proposal is that increased excitability of the lesioned cortex will improve behavioral function of the paretic UE post-stroke. To investigate the overall hypothesis the investigators will examine these drivers of cortical excitability and their role in UE recovery by addressing the following aims:
Specific Aim 1. Determine the magnitude of difference in central and behavioral changes in individuals with post-stroke hemiparesis randomized to a bilateral versus unilateral UE motor training program.
Specific Aim 2a. Determine the magnitude of difference in central and behavioral changes in individuals with post-stroke hemiparesis randomized to behavioral UE training compared to behavioral UE training + rTMS.
Specific Aim 2b. Determine the differential effects of rTMS on bilateral behavioral training compared to unilateral behavioral training as measured both centrally and behaviorally in individuals with post-stroke hemiparesis Post-stroke upper limb paresis and resultant loss of functional ability continues to present a barrier to those post-stroke in returning to full societal participation. Interventions that directly target the mechanism of hemiparesis, including decreased excitability of the lesioned hemisphere, are most likely to promote true recovery as opposed to the oft observed functional compensation in these individuals.
Typ studiów
Zapisy (Rzeczywisty)
Faza
- Nie dotyczy
Kontakty i lokalizacje
Lokalizacje studiów
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Florida
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Gainesville, Florida, Stany Zjednoczone, 32608
- North Florida/South Georgia Veterans Health System, Gainesville, FL
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Kryteria uczestnictwa
Kryteria kwalifikacji
Wiek uprawniający do nauki
Akceptuje zdrowych ochotników
Płeć kwalifikująca się do nauki
Opis
Inclusion Criteria:
- Diagnosis of 1st stroke > 6 months
- Sub-cortical stroke confirmed with CT or MRI
- Passive range of motion in bilateral shoulder and elbow within functional limits
- UE Fugl-Meyer shoulder/elbow subcomponent score between 15 - 25
- 18-80 years of age
Exclusion Criteria:
- Use of medications that may lower seizure threshold
- History of epilepsy, brain tumor, learning disorder, mental retardation, drug or alcohol abuse, dementia, major head trauma, or major psychiatric illness
- evidence of epileptiform activity on EEG obtained before beginning treatment
- history or radiographic evidence of arteriovenous malformation, intracortical hemorrhage, subarachnoid hemorrhage, or bilateral cerebrovascular disease,
- history of cortical stroke
- history of implanted pacemaker or medication pump, metal plate in skull, or metal objects in the eye or skull
- pregnancy
- pain in either upper extremity that would interfere with movement
- unable to understand 3-step directions
- orthopedic condition in back or UE or impaired corrected vision that would alter kinematics of reaching
Plan studiów
Jak projektuje się badanie?
Szczegóły projektu
- Główny cel: Leczenie
- Przydział: Randomizowane
- Model interwencyjny: Przydział równoległy
- Maskowanie: Podwójnie
Broń i interwencje
Grupa uczestników / Arm |
Interwencja / Leczenie |
---|---|
Eksperymentalny: Real rTMS
Real rTMS + unimanual paretic UE training
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rTMS application to lesioned hemisphere; 10 Hz, 1000 pulses
UE exercise for 4 hours (two hours 1:1 with therapist and two hours independent at home) for 16 sessions (4 sessions/week for 4 weeks)
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Aktywny komparator: Sham rTMS
Sham rTMS + unimanual paretic UE training
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UE exercise for 4 hours (two hours 1:1 with therapist and two hours independent at home) for 16 sessions (4 sessions/week for 4 weeks)
sham rTMS application to lesioned hemisphere; 10 Hz, 1000 pulses
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Co mierzy badanie?
Podstawowe miary wyniku
Miara wyniku |
Opis środka |
Ramy czasowe |
---|---|---|
Wolf Motor Function Test Change
Ramy czasowe: Change between Pre-intervention (baseline) to Post-intervention (4 wks following pre-intervention)
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Change, in seconds, between Pre-intervention and post-intervention (4 wks following pre-intervention).
The time to complete 15 separate upper extremity functional tasks are recorded.
These 15 separate timed events are averaged to provide one time, in seconds.
This is considered an Activity Measure on the WHO ICF model.
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Change between Pre-intervention (baseline) to Post-intervention (4 wks following pre-intervention)
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Miary wyników drugorzędnych
Miara wyniku |
Opis środka |
Ramy czasowe |
---|---|---|
Upper Extremity Fugl-Meyer Motor Assessment Change
Ramy czasowe: Change Between Pre-intervention (baseline) to Post-intervention (4 wks following pre-intervention)
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Change in Score from Pre-intervention to Post-Intervention.
This outcome measures arm motor control; the ability to move outside of pathologic synergistic patterns.
It is a measure of impairment in Body Structure/Function.
Total score ranges from 0-66, with 0 indicative of no movement and 66 considered normal motor control.
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Change Between Pre-intervention (baseline) to Post-intervention (4 wks following pre-intervention)
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Grip Strength Change
Ramy czasowe: Change between Pre-intervention (baseline) to Post-intervention (4 wks following pre-intervention)
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Change in Paretic hand grip strength from pre- to post-intervention.
Grip strength measured by hand-held dynamometer.
An average of 3 5-second trials was used for analysis.
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Change between Pre-intervention (baseline) to Post-intervention (4 wks following pre-intervention)
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Motor Activity Log - Amount of Use Change
Ramy czasowe: Change Between Pre-intervention (baseline) to Post-intervention (4 wks following pre-intervention)
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Self-Report Amount of Use of Paretic UE to complete 30 functional tasks.
Each task is reported on a 0-5 scale with "0" representing "did not use my paretic hand at all for that task" and "5" representing "I used my paretic hand as much as before the stroke to complete that task."
A "5" on each task would be considered "normal."
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Change Between Pre-intervention (baseline) to Post-intervention (4 wks following pre-intervention)
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Motor Activity Log - How Well Change
Ramy czasowe: Change between Pre-intervention (baseline) to Post-intervention (4 wks following pre-intervention)
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Self-Report of How Well paretic UE performed completing 30 functional tasks.
Each task is reported on a 0-5 scale with "0" representing "Unable to use my paretic hand to perform that task" and "5" representing "My paretic hand performs that task as well as it did before the stroke."
A "5" on each task would be considered "normal."
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Change between Pre-intervention (baseline) to Post-intervention (4 wks following pre-intervention)
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Współpracownicy i badacze
Śledczy
- Główny śledczy: Dorian Kay Rose, PhD MS BS, North Florida/South Georgia Veterans Health System, Gainesville, FL
Daty zapisu na studia
Główne daty studiów
Rozpoczęcie studiów
Zakończenie podstawowe (Rzeczywisty)
Ukończenie studiów (Rzeczywisty)
Daty rejestracji na studia
Pierwszy przesłany
Pierwszy przesłany, który spełnia kryteria kontroli jakości
Pierwszy wysłany (Oszacować)
Aktualizacje rekordów badań
Ostatnia wysłana aktualizacja (Rzeczywisty)
Ostatnia przesłana aktualizacja, która spełniała kryteria kontroli jakości
Ostatnia weryfikacja
Więcej informacji
Terminy związane z tym badaniem
Słowa kluczowe
Dodatkowe istotne warunki MeSH
Inne numery identyfikacyjne badania
- B6862-W
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