Stroke Clinical Trial
— MAPPYOfficial title:
Brain Plasticity in Stroke Patients : Functional and Anatomical Connectivty
NCT number | NCT03223571 |
Other study ID # | UF9858 |
Secondary ID | |
Status | Completed |
Phase | |
First received | |
Last updated | |
Start date | July 27, 2017 |
Est. completion date | July 27, 2017 |
Verified date | June 2018 |
Source | University Hospital, Montpellier |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
The investigators believe that the initial cerebral connectivity as well as its evolution immediate post-stroke could be correlated to the amount of motor recovery. Therefore a cohort of 21 people early post-stroke, and 6 weeks post standard routine rehabilitation will be analyzed. Clinical, kinematic and imaging (MRI) data will be compared with 12 healthy controls. Kinematic movement information has been collected within the fMRI. By integrating multi-modal clinical, kinematic and MRI, the study aims to identify biomarkers of recovery to improve patient specific evaluation post-stroke in order to adapt rehabilitation protocols accordingly and to improve functional gain.
Status | Completed |
Enrollment | 33 |
Est. completion date | July 27, 2017 |
Est. primary completion date | July 27, 2017 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years and older |
Eligibility |
Inclusion criteria: - over 18 yrs, first-ever supratentorial stroke, motor déficits (fugl-meyer score < 30/66) Exclusion criteria: - aphasia - cognitive troubles - hemineglect (Bergego scale > 15) - contra-indications for magnetic resonance imaging |
Country | Name | City | State |
---|---|---|---|
France | Uhmontpellier | Montpellier |
Lead Sponsor | Collaborator |
---|---|
University Hospital, Montpellier |
France,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | change in kinematic scores | Analysis of the correlation between functional connectivity outcomes and kinematic characteristics that are calculated on the 3D displacement of the hand in space during a flexion and extension of the elbow in the vertical plane within the fMRI. Calculated kinematics include the frequency, the amplitude, the smoothness and the directness of the movement. | from V0 (<2 months post-stroke) to V1 (V0+6wks) | |
Other | change in Fugl-Meyer upper-limb assessement score | Correlation analysis of the functional connectivity outcomes with the clinical performance scores. | from V0 (<2 months post-stroke) to V1 (V0+6wks). | |
Other | change in Lesion characteristics. | Analysis of possible correlation between the initial lesion volume with functional connectivity patterns. | from V0 (<2 months post-stroke) to V1 (V0+6wks). | |
Primary | Change in functional connectivity | fMRI based functional connectivity between regions of interest (ROI)(e.g. sensorimotor network) during rest and activity, early after stroke and after 6 weeks of routine rehabilitation. The functional connectivity will be quantified using the CONN toolbox, running under MATLAB (the mathworks) that calculates the correlation in spontaneous low frequency BOLD (blood-oxygen-level dependent) fluctuations between ROI. A correlation was considered significant at p < 0.05, with a two-sided cluster extended FDR (false rate discovery) correction. | from V0 (<2 months post-stroke) to V1 (V0+6wks). | |
Secondary | change in anatomical connectivity | Comparing the anatomical connectivity patterns with functional connectivity patterns. Anatomical connectivity will be quantified with the fractional anisotropy and mean diffusivity that quantify white matter modifications (FMRIB's Diffusion Toolbox). | from V0 (<2 months post-stroke) to V1 (V0+6wks). |
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