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RECRUITING Not applicable ClinicalTrials.gov

Optimization of Hearing Performance in the Subject Implanted

Sponsor: University Hospital, Toulouse • ClinicalTrials.gov ID: NCT05325450

Registry updated: 2026-09-21
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Description

In the past two decades, the selection criteria for cochlear implantation have been greatly relaxed so that about 60-70% of present cochlear implant (CI) candidates have significant residual hearing in their contralateral ear. However, contralateral hearing is often not considered in rehabilitation programs, mainly due to the lack of scientific evidence on the role it may play. The present project aims to better understand the mechanisms of perceptual learning of CI-processed speech after implantation and to develop and test rehabilitation strategies for CI users.

Interventions

  • Program A (Procedure)
    Presentation of the sentence to the implant alone
  • Program B (Procedure)
    Presentation of the sentence to the implanted ear, associated for the non-implanted ear
  • Control (Procedure)
    Presentation of the sentences alternately to the most recently implanted ear and both implanted ears at the same time

Eligibility criteria

Inclusion Criteria: * Age\>18 * Unilaterally postlingually-deafened adult cochlear implanted candidates (IC-Uni) * Person with almost normal or moderate contralateral hearing ( under 60dB) * Cochlear implanted person whose activation has not yet been performed * Cochlear implanted subjects with bilateral post-lingual profound deafness, who already benefit from a unilateral cochlear implant and candidates to a bilateral cochlear implant * Affiliated to social security Exclusion Criteria: * \- Subjects under juridical protections or tutelage measure * Subjects with associated neurological or neurodegenerative conditions * Significant anatomical changes on CT scan of the temporal bone that may interfere with the insertion of the cochlear implant

Conditions

Hearing Loss

Locations

  • Marx — Toulouse, France
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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

View Official Record