About this trial
This prospective, single-center observational study evaluates whether handedness is associated with upper-limb motor recovery after a recent unilateral stroke. Adults admitted to the stroke unit with a confirmed unilateral stroke within 5 days are included if they do not object to participation. Upper-limb impairment is assessed early after stroke and at 6 months using standardized clinical scales. Handedness is determined by self-report, and the Edinburgh Handedness Inventory is administered when feasible. The main hypothesis is that left-handed participants may show better upper-limb motor recovery at 6 months than right-handed participants, potentially due to differences in brain motor network lateralization.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Confirmed unilateral recent stroke (less than 5 days).
Age 18 years and older.
Participant or proxy does not object to participation
Disqualifiers
Prior stroke with residual motor sequelae.
Pre-stroke upper-limb deficit.
Follow-up at 6 months not planned at Orléans.
Protected adult (guardianship/curatorship), person under legal protection, or deprived of liberty.
Trial population
Adults hospitalized in the stroke unit of Orléans University Hospital with a confirmed unilateral recent stroke.
Trial design
Cohort
Prospective
Treatments tested in this trial
evaluation
Other interventionPatients will be evaluated at baseline for Edinburgh Handedness Inventory Laterality Quotient. Patients will be seen again at 6 months as part of their standard post-stroke consultation at Orléans University Hospital by a neurologist from the neurology department. In conjunction with this consultation, an assessment specific to this research study of the FMA-UE and SAFE scores will be carried out by a physiotherapist from the department.
Treatment groups
Trial outcomes
Primary outcomes
Fugl-Meyer Assessment for Upper Extremity (FMA-UE) Score
Upper-limb motor impairment measured using the Fugl-Meyer Assessment for the Upper Extremity (FMA-UE) at 6 months post-stroke. Scores range from 0 to 66, with higher scores indicating less impairment. Primary analysis is performed among participants with baseline FMA-UE less than 66.
Secondary outcomes
Mean Fugl-Meyer Assessment for Upper Extremity (FMA-UE) Score
Score from 0 to 66; the lower the score, the more severe the deficit
Proportion of Left-Handed Participants
Mean National Institutes of Health Stroke Scale (NIHSS) Score
Score from 0 to 42; the higher the score, the more severe the deficit
Number of Participants With Upper-Limb Weakness
Number of Participants With Upper-Limb Weakness Defined as SAFE Score Less Than 10
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