- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03154138
Prismatic Adaptation for Rehabilitation of Postural Imbalance After Stroke (PEQUIE)
Assessment of the Rehabilitation of Postural Imbalance After Chronic Right Supratensorial Stroke by Prismatic Adaptation: Multicentric Randomised Sham-controlled Trial
Postural imbalance after stroke leads to limitations of activity and a worse autonomy. The postural imbalance is increased in right supratensorial stroke (RSS) compared to left supratensorial stroke. The evidences for the rehabilitation of postural imbalance are weak.
Likewise, disorders of spatial reference frames are increased in RSS. The postural imbalance is correlated with the disorders of spatial reference frames in RSS patients.
Prismatic adaptation (PA) is often used for the rehabilitation of unilateral spatial neglect after RSS. Several studies have demonstrated a peculiar expansion of sensorimotor after-effects to spatial cognition. An immediate effect of reduction in postural imbalance have been showed in acute RSS. Therefore, it is interested to investigate the immediate and delayed effects of PA on the postural balance and the spatial reference frames in chronic RSS to purpose a new therapeutic approach.
The hypothesis of the study is that PA would improve the postural balance (activity) of chronic RSS patients by a reduction in mediolateral postural asymmetry, resulting from a " bottom-up " action of PA on spatial reference frames.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Aurélien HUGUES, PhD
- Phone Number: +33 0637054040
- Email: huguesaurelien@gmail.com
Study Contact Backup
- Name: RODE RODE, MD
- Phone Number: +33 0478865066
- Email: gilles.rode@chu-lyon.fr
Study Locations
-
-
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Grenoble, France
- Not yet recruiting
- CHU Grenoble
-
Contact:
- DOMINIC PERENNOU, MD
- Phone Number: +33 04 76 76 60 85
- Email: dperennou@chu-grenoble.fr
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Principal Investigator:
- DOMINIC PERENNOU, MD
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Saint-Genis-Laval, France, 69230
- Recruiting
- Hôpital Henry Gabrielle, service de médecine physique et réadaptation
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Contact:
- Aurélien HUGUES, PhD
- Phone Number: +33 (0)6 37 05 40 40
- Email: huguesaurelien@gmail.com
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Contact:
- Gilles RODE, MD
- Phone Number: +33 (0)4 78 86 50 66
- Email: gille.rode@chu-lyon.fr
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Sub-Investigator:
- Gilles RODE, MD
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Principal Investigator:
- Amandine GUINET-LACOSTE, MD
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Sub-Investigator:
- Jacques LUAUTE, MD
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Sub-Investigator:
- Yves ROSSETTI, MD
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Sub-Investigator:
- Julie DI MARCO, MD
-
Saint-Étienne, France
- Not yet recruiting
- CHU Saint-Etienne
-
Contact:
- Pascal GIRAUX, MD
- Phone Number: +33 04 77 12 77 57
- Email: pascal.giraux@chu-st-etienne.fr
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Principal Investigator:
- Pascal GIRAUX, MD
-
Sub-Investigator:
- Paul CALMELS, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Adult, over 18 years old, and less than 80 years old
Stroke
- right
- supratensorial,
- unilateral,
- haemorrhagic or ischemic,
- chronic (over 12 months)
- Ability to stay over 30 seconds in standing static position with open eyes and close eyes
- Show a postural imbalance, determined by a body weight bearing on right lower limb ≥ 60% during at least one posturographic evaluation with open eyes and that requires an inpatient rehabilitation
- Covered by a Health System where applicable, and/or in compliance with the recommendations of the national laws in force relating to biomedical research
- Free, enlightened and written consent of the patient
Exclusion Criteria:
- Cerebellar lesion
- Brainstem lesion
- Bilateral cerebral lesion
- All orthopaedic or rheumatologic diseases, retinal visual impairments or other diseases interfering with assessments in accordance with the investigator's judgment
- Pregnancy or breast feeding
- Under an administrative or legal supervision
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Prismatic adaptation (PA) group
Patients in the experimental group will benefit from 10 sessions of adaptation prismatic (PA) by means of one daily session of 20 minutes (5 times by week; 2 weeks), performed by an experienced physical therapist or occupational therapist.
All patients will also benefit from conventional rehabilitation (Standard physical therapy, standard occupational therapy, standard speech therapy …) according to the needs of the patients.
|
Prismatic adaptation (PA) is based on the wearing of a pair of glasses producing a visual field deviation of 10° to rightward.
While wearing theses glasses, the patient is asked to perform fast pointing movements towards targets by the right hand.
Targets are symmetrical located at 10° in the right and left side in front of the patient.
The order of pointing between these two targets is pseudo-randomly by the therapist.
At the beginning of the exposure, the patient performs pointing movements with a shift toward the right side (initial errors consecutive to the prism deviation).
Taking into account theses errors, the patient then compensates the optical deviation.
After removing the prismatic glasses, the asked pointing movement to the targets is once again shifted but to the left side this time (after-effects attesting the prismatic adaptation)
|
Placebo Comparator: Sham group
Patients in the sham group will benefit from 10 sessions of sham adaptation prismatic (S-PA) by means of one daily session of 20 minutes (5 times by week; 2 weeks), performed by an experienced physical therapist or occupational therapist.
All patients will also benefit from conventional rehabilitation (Standard physical therapy, standard occupational therapy, standard speech therapy …) according to the needs of the patients.
|
The sham prismatic adaptation (S-PA) is based on the wearing of a pair of glasses producing no visual field deviation. Theses sham glasses is identical with theses used in PA group without the optical deviation. The conditions are similar with theses in the PA group. The procedure with the sham glasses are similar with these one used in the PA group: While wearing the sham glasses, the patient is asked to perform fast pointing movements towards targets by the right hand. Targets are symmetrical located at 10° in the right and left side in front of the patient. The support with targets are the same as these one used in the PA group. The order of pointing between these two targets is pseudo-randomly by the therapist. At the beginning of the exposure, the patient performs pointing movements without shift. No compensation of movement is observed. After removing the prismatic glasses, the asked pointing movement to the targets is not shifted (No after-effects observed) |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Balance: The inter-group difference of within-group changes for the Berg Balance Scale (BBS)
Time Frame: Change from baseline (mean of the 2 pre-tests) at 7 days after the end of treatment (3 weeks about after the baseline)
|
Balance : The inter-group difference of within-group changes for the Berg Balance Scale (BBS) Score between 0 and 56 points
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Change from baseline (mean of the 2 pre-tests) at 7 days after the end of treatment (3 weeks about after the baseline)
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Balance: the inter-group difference of within-group changes for the Berg Balance Scale (BBS)
Time Frame: Change from baseline at 1 month after the end of treatment
|
Change from baseline (mean of the 2 pre-tests) at one month after the end of treatment (M+1) (1 month and 2 weeks about after the baseline) and at three months after the end of treatment (M+3) (3 month and 2 weeks about after the baseline) Score between 0 and 56 points.
|
Change from baseline at 1 month after the end of treatment
|
Balance: The inter-group difference of within-group changes for standing static posturographic variables
Time Frame: Change from baseline at +2 Hours, Day 3, Day7, Month +1 and Month +3 after the end of treatment
|
Satnding posturographic variables include mediolateral and anteroposterior deviation of center of pression (COP), mediolateral and anteroposteriorvariability of COP, sway area of COP, body weight bearing on each lower limb. The mediolateral and anteroposterior deviations of COP measured in millimeters, the sway area of COP calculated in square millimeters, the mediolateral and anteroposterior variability of COP calculated as the standard deviation of the mediolateral and anteroposterior deviations of COP, body weight bearing on each lower limb measured in percent of total weight bearing. |
Change from baseline at +2 Hours, Day 3, Day7, Month +1 and Month +3 after the end of treatment
|
Lateropulsion: The inter-group difference of within-group changes for the Scale for Contraversive Pushing (SCP)
Time Frame: Change from baseline at +2 Hours, Day 3, Day7, Month +1 and Month +3 after the end of treatment.
|
Score between 0 and 6 points
|
Change from baseline at +2 Hours, Day 3, Day7, Month +1 and Month +3 after the end of treatment.
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The inter-group difference of within-group changes for each spatial reference frame (MSSA, VSSA, OLP, LBA)
Time Frame: Change from baseline at +2 Hours, Day 3, Day 7, Month 1 and Month 3 after the end of treatment
|
Spatial reference frames include the measurement of the manual subjective straight aheaed (MSSA), the visual subjective straight ahead (VSSA), open-loup pointing without visual feedback (OLP), the subjective longitudinal body axis (LBA) Angular deviation measured in degrees
|
Change from baseline at +2 Hours, Day 3, Day 7, Month 1 and Month 3 after the end of treatment
|
Autonomy : Inter-group difference of within-group changes for the Barthel index (BI)
Time Frame: Change from baseline (pre-test) at Day7, Month +1 and Month +3 after the end of treatment.
|
Score between 0 and 100 points
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Change from baseline (pre-test) at Day7, Month +1 and Month +3 after the end of treatment.
|
Additionnal descriptive anatomic study of cerebral lesions using diffusion tensor Magnetic Resonance Imaginig (MRI) (Tractography)
Time Frame: Before the starting of the intervention, during the pre-tests.
|
To determine the location of the cerebral lesion, the size of cerebral lesion and to quantify the severity of the disconnection (after tractography reconstructions of white matter pathways).
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Before the starting of the intervention, during the pre-tests.
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Relationship between prismatic adaptation induced changes on misperceptions of spatial reference frames and these on postural and balance disorders
Time Frame: +2Hours, Day+3, Day+7, Month+1 and Month+3.
|
Statistical correlations between changes (before versus after intervention) on Berg Balance Scale (BBS), postural disorders (i.e.
Weight Beainf Asymetry (WBA), body sway, and lateropulsion), and spatial reference frames.
|
+2Hours, Day+3, Day+7, Month+1 and Month+3.
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Amandine GUINET-LACOSTE, MD, Hospices Civils de Lyon
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 69HCL17_0172
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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