Stroke Clinical Trial
Official title:
The Use of Real-Time fMRI and a Mobile EEG System to Provide Neurofeedback to Stroke Patients to Promote Neural Plasticity for Motor Rehabilitation.
Verified date | July 2020 |
Source | University of Oxford |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Real-time neurofeedback aims to alter brain activation patterns through online feedback of ongoing brain activity using magnetic resonance imagining (MRI). Stroke survivors will be randomised to receive 3 sessions of real or sham neurofeedback. This study aims to investigate whether: 1) stroke survivors can maintain alterations in brain activity after the feedback is removed, 2) neurofeedback training leads to improvements in movement of the hand and arm, 3) neurofeedback training leads to changes in brain structure and function, 4) variability in response across people can be understood.
Status | Terminated |
Enrollment | 27 |
Est. completion date | March 20, 2020 |
Est. primary completion date | March 20, 2020 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - Stroke > 6 months previously - Unilateral upper limb impairment, but physically able to complete the tasks required Exclusion Criteria: - Contraindications to MRI, such as a pacemaker, metallic implants or aneurysm clips - Inability to provide informed consent - Inability to actively participate in the research procedures |
Country | Name | City | State |
---|---|---|---|
United Kingdom | Wellcome Centre for Integrative Neuroimaging (WIN) | Oxford |
Lead Sponsor | Collaborator |
---|---|
University of Oxford | Wellcome Trust |
United Kingdom,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Baseline Structure and Function as a Correlate of Response to Neurofeedback | The correlation between baseline measures and change in lateralisation of brain activity during movement of the affected hand will be tested in order to identify markers to explain variability in response to real neurofeedback. Analysis still in progress |
Throughout study completion, an average of 3 weeks. | |
Primary | Lateralisation of Brain Activity | Lateralisation of brain activity during movement of the affected hand, assessed using functional magnetic resonance imaging (fMRI) blood oxygen level dependent (BOLD) signal. The activation in the region of interest is calculated for each hemisphere and the laterality index calculated as: (ipsilesional hemisphere - contralesional hemisphere) / (ipsilesional hemisphere + contralesional hemisphere). As such, positive values are indicative of greater activation in the ipsilesional hemisphere. | Throughout the 3 intervention sessions, an average of 4 days | |
Primary | Hand Function Assessed With the Jebsen Taylor Hand Function Test (Time, in Seconds) | Performance on the Jebsen Taylor hand function test (time, in seconds to complete specified activities reflecting daily living) | Throughout study completion, 5 assessment sessions spread over approximately 3 weeks | |
Secondary | Change in Lateralisation of Brain Activity | Change in lateralisation of brain activity during movement of the affected hand, assessed using functional magnetic resonance imaging (fMRI) blood oxygen level dependent (BOLD) signal. | 1 week follow up | |
Secondary | Lateralisation of Brain Activity During Visuomotor Squeeze Task (MRI) | Lateralisation of brain activity during a visuomotor squeeze task, assessed using functional magnetic resonance imaging (BOLD signal). The activation in the region of interest is calculated for each hemisphere and the laterality index calculated as: (ipsilesional hemisphere - contralesional hemisphere) / (ipsilesional hemisphere + contralesional hemisphere). As such, positive values are indicative of greater activation in the ipsilesional hemisphere. | Baseline, 1 week follow up | |
Secondary | Lateralisation of Brain Activity During Visuomotor Squeeze Task (EEG) | Change in lateralisation of brain activity during a visuomotor squeeze task, assessed using EEG | Throughout study completion, an average of 3 weeks | |
Secondary | Upper Limb Function | Action research arm test score (ARAT; upper limb function). Range 0-57, higher numbers indicate better upper limb function | Baseline, 1 week follow up | |
Secondary | Change in Upper Limb Function | Change in action research arm test score (ARAT; upper limb function). Range 0-57, higher numbers indicate better upper limb function | 1 month follow up | |
Secondary | Upper Limb Impairment | Upper limb Fugl Meyer assessment score (upper limb impairment). Range 0-66, higher numbers indicate less upper limb impairment | Baseline, 1 week follow up | |
Secondary | Upper Limb Impairment | Upper limb Fugl Meyer assessment score (upper limb impairment). Range 0-66, higher numbers indicate less upper limb impairment | Baseline, 1 month follow up | |
Secondary | Change in Resting State Functional Connectivity | Change in resting state functional connectivity, assessed using fMRI Analysis still in progress | 1 week follow up | |
Secondary | Change in White Matter Tract Integrity | Change in integrity of the white matter tracts, assessed using diffusion tensor imaging Analysis nearly completed | 1 week follow up | |
Secondary | Change in Grey Matter Volume | Change in grey matter volume derived from structural (T1) MRI Analysis still in progress | Baseline, 1 week follow up | |
Secondary | Change in White Matter Microstructure | Change in white matter microstructure, specifically myelin content, assessed using MRI Multi-Parameter Mapping | 1 week follow up |
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