- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04768556
Brain Activity Associated With Inhibition of Action in Attention-deficit (INHIB'MOV)
Assessment of Brain Activity Associated With Inhibition of Action in Attention-deficit Hyperactivity Disorder
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
ADHD is a psychiatric disorder characterized by symptoms of inattention, hyperactivity, and impulsivity (DSM-V, 2013). An impairment of inhibitory control has been suggested as the primary deficit in children with ADHD, which is thought to cause secondary impairments in executive functioning. A few studies investigated executive capacities in adults with ADHD. Specifically, an impairment in action inhibition has been reported in ADHD participants. Moreover, inhibition of action is often associated with distinctive electroencephalographic (EEG) correlates. The present study aim at combining both novel inhibitory control measurement techniques and EEG analysis in temporal and frequency domains to assess the sensitivity and the specificity of an inhibitory deficit in adults with ADHD. This is part of an improvement in the procedures for diagnosing ADHD syndrome and its functional evaluation.
The study will analyze the EEG activity associated with two stop-signal tasks requiring inhibitory capacities. A set of other cognitive skills will also be evaluated during a neuropsychological assessment. The results of ADHD patients will be compared with those of a control group (healthy volunteers) to assess the sensitivity of an inhibition deficit to the disorder. These same results will also be compared with those of a second control group (patients with a negative diagnosis of ADHD) to assess the specificity of the inhibitory deficit.
This experimental strategy results in the involvement of three groups of participants (ADHD patients and two control groups) in three visits (neuropsychological assessment and two EEG sessions).
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Jeremie PARIENTE, MD PHD
- Phone Number: 05.61.77.95.02
- Email: pariente.j@chu-toulouse.fr
Study Contact Backup
- Name: Mario Hervaul, MS
Study Locations
-
-
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Toulouse, France, 31000
- Recruiting
- Toulouse Purpan University Hospital
-
Contact:
- Jeremie PARIENTE, MD PHD
- Phone Number: 0561779502
- Email: pariente.j@chu-toulouse.fr
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
Age between 18 and 50,
- Visual, auditory (authorized apparatus), motor skills suitable for the proper realization of neuropsychological tests,
- Being right-handed,
- Free, informed and written consent signed by the participant and the investigator
- Person affiliated or beneficiary of a social security scheme.
For the ADHD group:
- Diagnosis of ADHD according to DSM-V criteria (APA, 2013),
For the patient control group:
• Patient who consulted for a cognitive complaint and for whom the diagnosis of ADHD was rejected according to the criteria of DSM-V (APA, 2013).
Exclusion Criteria:
- General or progressive neurological disease resulting in cognitive impairment (multiple sclerosis, Parkinson's disease, stroke, etc.),
- Insufficient linguistic level in French to participate in neuropsychological assessment,
- Patient placed under judicial protection or under another protective regime,
- Severe depression according to DSM-V criteria (APA, 2013),
Autism spectrum disorder, developmental coordination disorder.
-For the healthy voluntary control group:
- Presence of a cognitive complaint or pathology which may impair his cognitive functions
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: ADHD group
ADHD group: 20 participants having received a positive diagnosis of ADHD
|
An EEG experimentation session on the stop-signal task of inhibiting a prepared discrete graphic action.
An EEG experimentation session on the stop-signal task of inhibiting an ongoing rhythmic action
|
Other: Control group 1
Control group 1: 20 participants having received a negative diagnosis of ADHD
|
An EEG experimentation session on the stop-signal task of inhibiting a prepared discrete graphic action.
An EEG experimentation session on the stop-signal task of inhibiting an ongoing rhythmic action
|
Other: Control group 2
Control group 2: 20 participants as healthy volunteers
|
An EEG experimentation session on the stop-signal task of inhibiting a prepared discrete graphic action.
An EEG experimentation session on the stop-signal task of inhibiting an ongoing rhythmic action
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
EEG correlates of inhibition
Time Frame: 2 weeks
|
The main objective of this study is to evaluate, by electrophysiological measures, the presence of a deficit of action inhibition in adults with ADHD.
To this end, the EEG correlates of inhibition will be compared between participants in the three groups.
Thus, the ERP (N2 / P3) and ERSP (Theta, Delta) variations observed in terms of amplitude and latency in the stop-signal task tests will be computed in each of the three groups.
|
2 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Inhibition performance from a rhythmic-action task
Time Frame: 2 weeks
|
The inhibition performance from a rhythmic-action task, expressed as stop-signal reaction time (SSRT, in ms).
This latency is measured by identifying a statistical deviation evoked by the STOP signal in the participants' movement on a graphic tablet (following the procedure described in Hervault et al., 2019).
|
2 weeks
|
Inhibition performance from a discrete-action task
Time Frame: 2 weeks
|
The inhibition performance from a discrete-action task, expressed as an SSRT (in ms).
According to the horse-race model of inhibition, this latency is estimated based on the response time and the response probability obtained by the participants when responding to the GO and STOP stimuli used in the task (following recent guidelines from Verbruggen et al., 2019).
|
2 weeks
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Jérémie PARIENTE, MD PhD, University Hospital, Toulouse
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
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
Additional Relevant MeSH Terms
Other Study ID Numbers
- RC31 /20/0252
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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