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Language Development in Children With Cochlear Implants and Speech-language Therapy Interventions

Key facts

Who runs it
Assistance Publique - Hôpitaux de Paris
Where
France1 site in 1 countryChoose a country to see its sites
Trial code
Status
Recruiting
People taking part
60 people, planned
Started
17 Apr 2026
Expected to end
17 May 2028
Type of study
Observational
Treatments tested
  • Speech-language therapy (observed standard care)
Record updated
28 May 2026

Who can take part

Age
32 months to 48 months
Sex
Women and men
Healthy volunteers
Cannot take part

The registry criteria, word for word

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Who can take part

  • Children with severe to profound prelingual hearing loss
  • Implanted between 8 and 24 months of age
  • At least 24 months of follow-up after implantation
  • No parental objection from legal guardians

Who cannot take part

  • Suspected or diagnosed Autism Spectrum Disorder (ASD)
  • Children with progressive hearing loss
  • Severe neurological pathology, identified by MRI and/or neuro-pediatric assessment

This trial has no sites in United States.

It has sites in one country. Choose a country to see its sites.

About the trial

What the trial wants to find out

Cochlear implantation is currently offered to children with severe to profound prelingual hearing loss for whom hearing aids alone are insufficient to provide access to oral language (HAS, 2009). Speech-language therapy should be implemented concurrently to support the development of oral language (HAS, 2006). Several speech therapy approaches can be proposed. The auditory-phonological (AP) approach, recommended by HAS (HAS, 2006), is a child-centered rehabilitation method that relies on visual aids such as Cued Speech or French Sign Language (LSF) to supplement the auditory information transmitted by cochlear implants.

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Auditory-Verbal Therapy (AVT), widely developed in some countries, remains innovative in France. This therapy is more parent-centered, aiming to teach caregivers how to model language to optimally stimulate their child's language development. It excludes the use of visual aids such as Cued Speech or LSF and relies solely on auditory stimulation provided by cochlear implants. When implemented, AVT should be initiated as early as possible to achieve the best language outcomes.

The frequency of speech therapy sessions following implantation is also not standardized. Various international recommendations emphasize early, regular, and family-centered intervention. However, high-level evidence on the relationship between session frequency and language development is limited.

A similar observation applies to parental involvement. Although it is recognized as essential for language development in implanted children's speech therapy, few studies provide a consensus on how to implement parental involvement during therapy sessions.

The group in the trial

  • Cochlear-implanted children

    Children with severe to profound prelingual hearing loss who received a cochlear implant before the age of 2. This cohort will be assessed for speech-language therapy interventions, including method (AP or AVT), session frequency, and parental involvement, and their impact on language development outcomes.

    Treatment: Speech-language therapy (observed standard care)

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?

Contact the study team: see the registry record → Contacts and Locations

Print a page for my doctor

Data and sources

Registry record
Listed on ClinicalTrials.gov.
Record updated
28 May 2026