Optimisation of Hybrid Fittings for Cochlear Implant Recipients

H

HEARing Cooperative Research Centre (CRC)

Status

Terminated

Conditions

Hearing Loss

Treatments

Device: Hybrid fittings for cochlear implant recipients

Study type

Interventional

Funder types

Other
Industry

Identifiers

NCT02765386
CRC5610

Details and patient eligibility

About

When providing amplification post-implantation to residual acoustic hearing in the implanted ear, the lower frequency boundary can be modified to minimize or avoid overlap between the frequencies coded through acoustic hearing and those presented through electrical stimulation. This boundary is termed the cross-over frequency (Fc) and the effect of modifying this parameter will be investigated in this study. To avoid the research being confounded by prior bias for a particular frequency allocation, the study will be conducted with newly implanted recipients. This study will also investigate whether tests which measure the ability to use low frequency hearing and objective measures can predict the preferred Fc and speech performance benefit.

Enrollment

12 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Adult (≥18 years of age)
  • Post-operative residual hearing in the implanted ear (defined as having an unaided threshold better than or equal to 80 dB HL at the 500 Hz frequency).
  • Implanted with the CI500 or CI24RE-series cochlear implants
  • User of the commercially available Nucleus 6 sound processor
  • User of the ACE strategy
  • Native speaker in the language used to assess speech perception performance
  • Willingness to participate in and to comply with all requirements of the protocol

Exclusion criteria

  • Additional handicaps that would prevent participation in evaluations
  • Unrealistic expectations on the part of the subject, regarding the possible benefits, risks and limitations that are inherent to the procedure and investigational device

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

12 participants in 1 patient group

Cochlear Implant Recipients
Experimental group
Description:
Newly implanted cochlear implant recipients with post-implantation acoustic hearing.
Treatment:
Device: Hybrid fittings for cochlear implant recipients

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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