- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02379013
Measure of Fatigue in Functional MRI (FATIGUE)
Development and Evaluation of a Cognitive-motor System for a Quantitative and Objective Measure of Fatigue in Functional MRI
The purpose of this study is to determine more objective, central and peripheral indices of fatigue state by exploring the neural and behavioral correlates of the alert process while keeping the idea to corroborate these results with those obtained during the performance of physical exercises and neuropsychological tests "classics" of attention, motivation, and functions evaluation. The interest of this study is to manipulate and compare the phasic and tonic alert mechanism through the activation of an extrinsic motivational system during fatigue. The investigators have chosen the alert since it is a basic cognitive process defined as the ability to increase attentional resources with the expectation of a target stimulus resulting in reduced response time. It can be phasic (extrinsic), favored by the presence of a warning signal preceding the target (preparation time) or tonic (intrinsic) occurring without warning signal (wakefulness). The evaluation of the alert is classically realized by a simple reaction time task with the presence or not of warning signal soliciting wether the tonic alert or the phasic alert.
The investigators suppose to revisit the healthy population with brain model alert issued in 2010 which highlighted the predominant role of the regions of the dorsolateral prefrontal cortex, parietal, cingulate and thalamus (non-motor) in maintaining attention and temporal preparation alert task.
The investigators identify also functional, motor and cognitive components of basal ganglia of thalamus. Cognitive-motor paradigm and neurological dysfunctions observed in multiple sclerosis population will help to identify and separate the cognitive role and motor brain regions, particularly the thalamus and basal ganglia. New neurological hypotheses are proposed
Study Overview
Detailed Description
This project will be applied on healthy subjects, and the subject will be equipped with two electrodes attached to the muscle of the left arm (flexor) to measure muscle activity. That will be performed with a handgrip (the subject press on the handgrip).The subject will receive two sessions. It will conduct a trial session in the laboratory to control his ability to imagine the task (imagination run) and perform the driving task correctly.
Two saliva samples will be placed in tubes to be analysed to measure the concentration of cortisol before and after functional MRI. Then, psychological and satisfaction questionnaires will be completed by volunteers.
This protocol will then be adapted and transferred to multiple sclerosis population (in a second study), for which fatigue is one of the symptoms most commonly reported.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male or female right-handed aged between 18 and 35 years
- Free of neurological, psychiatric or abuse of alcohol or drugs
- Affiliated with the social security system (beneficiary or legal)
- Having understood the information and having signed the consent form
Exclusion Criteria:
- Against indication to 'MRI': Pacemaker or neurosensory pacemaker or implantable defibrillator, cochlear implants, Ocular or cerebral ferromagnetic foreign body near the nerve structures, metal prosthesis, Ventriculoperitoneal shunt valves neurosurgical, brace, Agitation of the patient: not cooperating or agitated subjects, low-age children, claustrophobic patient, expectant mother
- Front-temporal dementia
- Physical or psychiatric illness likely to interfere with the functional assessment
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Volunteer with MRI
All volunteer will be included in the arm MRI
|
functional MRI
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Assessment of executive function and circuit of functional MRI
Time Frame: 1 day
|
Brain activity will be measured during tests to determine the central indices and peripheral quantitative and objectives of the state of fatigue.
|
1 day
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Muscle strength measured with the electromyogram data
Time Frame: 1 day
|
This outcome will be measured with the electromyogram data
|
1 day
|
Saliva samples to measure the concentration of cortisol
Time Frame: 1 day
|
Samples will be placed in tubes to be analysed to measure the concentration of cortisol.
|
1 day
|
Assess attentional and executive functions (questionnaires)
Time Frame: 1 day
|
Results of psychological (Mesulam, D2, Stroop) questionnaires
|
1 day
|
Evaluation of voluntary satisfaction (questionnaire)
Time Frame: 1 day
|
satisfaction questionnaire
|
1 day
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Alain LE BLANCHE, PUPH, Centre Hospitalier Rene Dubos
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
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
- CHRD0714
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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