- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04405986
Exploring Brain Damages After COVID-19 Infection (BRAINCOV)
April 7, 2021 updated by: University Hospital, Bordeaux
Although direct evidence is currently lacking, the high identity between SARS-CoV-1 and SARS-CoV-2 suggests, that the latter viral strain could also infect the Central Nervous System (CNS).
Indeed, some cases of SARS-COV2 encephalitis begin to be described and CNS damages are increasingly highlighted in the literature, but still not objectified by imaging and do not allow to explain the entire clinical patterns.
We hypothesise that these CNS damages are not always objectified by Magnetic Resonance Imaging (MRI) but could be indirectly observed by a physiological dysfunction of neural conduction in the brainstem.
We will explore brainstem disruption through an electrophysiological approach.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
Clinical and preclinical data from studies with other coronaviruses suggest an evident neurotropism, which may result in more complex clinical scenarios.
Can the SARS-CoV-2 enter the Central Nervous System (CNS) and infect neural cells ?
And if yes, how the CNS damage contributes to pathophysiology of the COVID-19, to its signs, symptoms and progression as well as to its sequelae.
It has been demonstrated that coronaviruses such as SARS-CoV and MERS-CoV do not limit their presence to the respiratory tract and frequently invade the CNS.
The intranasal administration of SARS-CoV-1 or MERS-COV resulted in the rapid invasion of viral particles into the brain of mice, possibly through the olfactory bulb via trans-synaptic route.
The brainstem, which hosts the respiratory neuronal circuit in the medulla, was severely infected with both types of viruses, which may contribute to degradation and failure of respiratory centres.
Study Type
Interventional
Enrollment (Actual)
38
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
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Bordeaux, France, 33 076
- CHU de Bordeaux
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (ADULT, OLDER_ADULT)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria :
- Age ≥ 18 years.
- Hospitalized patient suffering from a positive COVID 19 diagnosed by Reverse transcription polymerase chain reaction (RT-PCR) or chest computed tomography scan (CTscan) with specific lesions
Exclusion Criteria :
- History of neurological damage interfering with auditory evoked potentials (PEA) and Electromyography (EMG) reflexes of the brainstem (stroke of the brainstem, acoustic neuroma, amyotrophic lateral sclerosis, facial diplegia, damage to nerves V or VII, etc.)
- Impaired alertness
- Sedative treatments or treatments that disturb nerve conduction.
- Pregnancy or breastfeeding
- Individuals under legal protection or unable to express personally their consent
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: HEALTH_SERVICES_RESEARCH
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: Electrophysiological procedure
Brainstem reflexes and neural conduction will be explored using Auditory Evoked Potentials (AEP) and blink and Masseter Inhibitory Reflex (MIR) in hospitalised patients with COVID infection
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Record of electrophysiological responses (Auditory Evoked Potentials or AEP) during auditory stimulations with an electroencephalogram (EEG).
Electrophysiological exploration while stimulating trigeminal nerve to record 1) motor response induced (muscle contraction delay (Blink)) of the facial nerve, or 2) the contraction inhibition of masseters (Masseter Inhibitory Reflex (MIR)).
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Latency of electrophysiological response
Time Frame: Inclusion (T0)
|
Latencies of electrophysiological responses with Auditory Evoked Potentials
|
Inclusion (T0)
|
Delay of Muscle contraction
Time Frame: Inclusion (T0)
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Delay of Muscle contraction (Blink reflex)
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Inclusion (T0)
|
Delay of silent period
Time Frame: Inclusion (T0)
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Delay of silent period while the patient is asked to tighten the jaws (Masseter Inhibitory Reflex)
|
Inclusion (T0)
|
Duration of silent period
Time Frame: Inclusion (T0)
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Duration of silent period while the patient is asked to tighten the jaws (Masseter Inhibitory Reflex)
|
Inclusion (T0)
|
Inhibition rate
Time Frame: Inclusion (T0)
|
Inhibition rate while the patient is asked to tighten the jaws (Masseter Inhibitory Reflex)
|
Inclusion (T0)
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Bertrand Glize, bertrand.glize@chu-bordeaux.fr
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (ACTUAL)
May 19, 2020
Primary Completion (ACTUAL)
March 10, 2021
Study Completion (ACTUAL)
March 10, 2021
Study Registration Dates
First Submitted
May 8, 2020
First Submitted That Met QC Criteria
May 26, 2020
First Posted (ACTUAL)
May 28, 2020
Study Record Updates
Last Update Posted (ACTUAL)
April 8, 2021
Last Update Submitted That Met QC Criteria
April 7, 2021
Last Verified
April 1, 2021
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Coronavirus Infections
- Coronaviridae Infections
- Nidovirales Infections
- RNA Virus Infections
- Virus Diseases
- Infections
- Respiratory Tract Infections
- Respiratory Tract Diseases
- Pneumonia, Viral
- Pneumonia
- Lung Diseases
- Wounds and Injuries
- Craniocerebral Trauma
- Trauma, Nervous System
- COVID-19
- Brain Injuries
Other Study ID Numbers
- CHUBX 2020/20
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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