About this trial
The goal of this prospective observational multicentric cohort study is to evaluate the clinical prognostic value of the speech tracking score of language development in children with ASD aged from 3 years to 4 years and half at inclusion.
Participants will followed during 4 years with an annual visit. During these visits, each participant will be clinically evaluated (scales and tests) and performed an EEG-HR recording. Two groups will be formed, one with children diagnosed with ASD with language delay, and a control group composed of non-ASD children without language delay, matched on age and gender with the ASD group.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Child aged from 3 years to 4 years and half at inclusion.
Information delivered and no parental objection for study participation.
Diagnosis of ASD according to DSM-V criteria.
Expressive language level < 27 months regarding on IDE scale.
Disqualifiers
Any illness or treatment that could significantly alter EEG-HR recording (epilepsy, anti-epileptic treatment, psychotropic drugs...).
Major hearing or vision disorders.
Characterised neurological or psychiatric pathology.
Characteristic language delay.
Trial population
Child male or female aged from 3 years to 4 years and half at inclusion with ASD or not.
Trial design
Cohort
Prospective
Treatments tested in this trial
EEG-HR
DevicePassation EEG-HR
ADI-R
Diagnostic testPassation of ADI-R scale
ADOS-2
Diagnostic testPassation of ADOS-2 scale
IDE
Diagnostic testPassation of IDE scale
MSEL
Diagnostic testPassation of MSEL scale
Dunn
Diagnostic testPassation of Dunn scale
Treatment groups
Trial outcomes
Primary outcomes
Ability to discriminate children language development
The primary endpoint is the ability to discriminate children whose language development will be favourable (developmental level ≥ 27 months) from those whose language development will be unfavourable (\< 27 months) based on the speech tracking measure (on the EEG-HR at inclusion).
Secondary outcomes
Comparison of speech tracking scores
Comparison of speech tracking scores (phases 1 to 3 of the HR EEG recording protocol).
Evolution of the predictive model
Evolution of the predictive model by integrating data: clinical, longitudinal evolution of speech tracking, deviation from the mean of the control group speech tracking and evolution of speech tracking.
Measures of association by synchronous and diachronic analyses
Measures of association by synchronous and diachronic analyses (mixed generalized linear models for repeated measures).
Sponsors and contacts
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