Clinical Trial to Compare Two Surgical Approaches to the Cochlea

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18+
SponsorRadboud University Medical Center

About this trial

This is a prospective multicenter multinational randomized control trial. The duration of the study for the individual patient will be approximately 1 year (pre-operative assessments, 1 week, 3 months and 12 months follow-up assessments). Participants will be randomized to one of two surgical approaches: eRW or CO, with a 1:1 allocation in a parallel design.

Eligibility criteria

Qualifiers

Individuals aged 18 years and older who have clinically established post-linguistic sensorineural hearing loss.

CI candidate based on local or national reimbursement criteria.

Cochlear implantation with a CI632.

Preoperative 500 Hz pure-tone air conduction threshold <80 dB hearing level (HL) in the ear to be implanted.

Disqualifiers

Previous or existing CI recipient.

Ossification or other anatomical abnormalities of the cochlea or its windows possibly affecting normal electrode array insertion.

Abnormal cochlear nerve anatomy on preoperative CT or MRI.

Subjects who are unable to undergo CT or MRI.

Trial design

Treatments tested in this trial

  • Surgical approach: cochleostomy or extended round window

Treatment groups

50 Participants
are divided into 2 treatment groups

Sponsors and collaborators

Radboud University Medical Center

Lead sponsor

GZA Ziekenhuizen Campus Sint-Augustinus

Collaborator

Universitaire Ziekenhuizen KU Leuven

Collaborator