NCT04615637|Unknown
Helium 4 Optically Pumped Magnetometers : a New Generation of Sensors for High Speed Functional Brain Imaging
NEW MEG
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NEW MEG
Sponsor study identifier
Secondary identifiers
REGISTRY · ID RCB
interventional
45
1 country
1
Study Start
March 1, 2021
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Primary Completion
July 1, 2023
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Study Completion
July 1, 2023
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Our goal is to perform a first evaluation of the capabilities of a new generation of non-invasive magnetoencephalography sensors (OPM He4) to record brain magnetic activities. The investigator will record 1) normal subjects stimulated with visual, auditory, somesthesic and motor stimuli and 2) epileptic patient. The investigator will compare the signal to noise ratio of the normal or pathological activities between classical MEG sensors and our OPM He4 prototype.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
July 1, 2023
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
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Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
July 8, 2020
Actual (reported)November 4, 2020
Actual (reported)March 1, 2021
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
July 1, 2023
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
July 1, 2023
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Signal to Noise Ratio of the recorded brain activities
Volunteers: The signal to noise ratio of normal brain activity following a stimulus will be computed with respect to the pre-stimulus baseline -100ms to -10 ms. Epileptic patient: The signal to noise ratio of abnormal epileptic brain activity will be computed with respect to a 100 ms baseline not containing any abnormal activity.
1 month
Signal to Noise Ratio of pre-frontal auditory activity
one month
Signal to Noise Ratio of high frequency epileptic activity
one month.
Comfort of the subject during the MPO He4 recordings for epileptic patient through a short verbal questionary
5 minutes after the end the recording session
Comfort of the subject during the MPO He4 recordings for volunteers through a short verbal questionary
5 minutes after the end of each recording session
All subjects will follow the same experimental procedure: a recording using classical MEG followed by a recording in the same condition with the OPM He4 prototype.
1. Classical MEG recordings (patient at rest, normal subjects stimulated with visual, motor, somesthesic and auditory stimuli). 2. MEG recordings with our OPM He4 prototype (patient at rest, normal subjects stimulated with visual, motor, somesthesic and auditory stimuli).
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Hospices Civils de Lyon
Bron, 69500, France
Julien JUNG, MD
Hospices Civils de Lyon
First Submitted
July 8, 2020
First Posted
November 4, 2020
Study Start
March 1, 2021
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Primary Completion
July 1, 2023
Estimated (date passed)Contact the study team to confirm eligibility.
This estimate has passed. The registry has not confirmed an actual date for this milestone.
Study Completion
July 1, 2023
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Last Updated
February 16, 2021
Record last verified: 2021-02
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Source: ClinicalTrials.gov.
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