Hearing Loss, Sensorineural Clinical Trial
Official title:
Usability of the Intracochlear Catheter INCAT - a Feasibility Study
This is a feasibility study for a inner ear catheter which will be used to apply steroids to the inner ear. It will be used on nearly deaf patients during their surgery, when they receive an implant that will restore the hearing. Treatment with steroids will improve the maintenance of residual hearing, which will be tested during and after the surgery.
Study Device: The INCAT is an intracochlear catheter which is eligible in Canada for intracochlear drug delivery. Summary: 24 patients with moderate to profound hearing loss and indication for cochlear implantation will receive intracochlear treatment with steroids with an intracochlear catheter (INCAT) for hearing preservation prior to insertion of the cochlear implant array. Subjects will be considered for the study if they are 18 years of age or older and demonstrate a CNC word score in quiet of 60% or less in the ear to be implanted. Subjects will be followed for 6 months post-activation of the audio processor. Primary Objectives: Determination of feasibility of the intracochlear catheter INCAT and hearing preservation of residual hearing thresholds intra-, postoperatively, and long-term. Secondary Objectives: Assessment of quality of life, tinnitus and development of speech perception with the implant up to one year after implantation. Study Endpoint: Feasibility of using the INCAT and assessment of hearing preservation of residual hearing thresholds. Impedance field telemetry will help to assess hearing thresholds pre-, peri-, and postinsertion. ;
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