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CompletedNo phase

Single-Sided Deafness in the Medicare Population

Key facts

Who runs it
Med-El Corporation
Where
Chapel Hill and Iowa City, United StatesSee the 2 sitesAlso in 1 other country, 1 site
Trial code
Status
Completed
People taking part
18 people enrolled
Started
27 Jun 2022
Ended
11 Aug 2025
Type of study
Interventional
Treatments tested
  • MED-EL Cochlear Implant System
Record updated
31 August 2026

Who can take part

Age
65 years and older
Sex
Women and men
Healthy volunteers
Can take part

The registry criteria, word for word

Show all 14 criteriaShow less

Who can take part

  • 65 years of age or older at the time of implantation
  • Unilateral profound hearing loss, as defined by a pure-tone average (500, 1000, 2000, and 4000 Hz) of 90 dB or greater in the ear to be implanted
  • Sensorineural hearing loss in the ear to be implanted, as defined by an air-bone gap less than or equal to 10 dB at two or more frequencies out of 500, 1000, 2000, and 4000 Hz
  • Normal or near-normal hearing in the non-implanted ear, as defined by a pure-tone average (500, 1000, 2000, and 4000 Hz) of 30 dB or less
  • Word recognition in the ear to be implanted of 5% or less on CNC word score in quiet
  • Previous experience with an appropriately-fit CROS, BI-CROS, bone conduction, or traditional hearing aid, as deemed appropriate by investigator
  • Fluent in English

Who cannot take part

  • Other medical contraindication for surgery or anesthesia
  • External or middle ear infection
  • Duration of profound hearing loss of 10 years or more
  • Sudden onset of hearing loss within six months of implantation
  • Evidence of non-functional cochlear nerve or other retrocochlear hearing loss
  • Evidence of severe cochlear malformation (i.e., common cavity or ossification)
  • Suspected cognitive concern

Where in United States

Also in 1 other country, 1 site

  • University of North CarolinaChapel Hill, United StatesNo longer taking part
  • University of Iowa Hospitals and ClinicsIowa City, United StatesNo longer taking part

About the trial

What the trial wants to find out

The purpose of this study is to evaluate the safety and effectiveness of cochlear implantation in adults 65 years of age and older.

The group in the trial

  • Study ProcedureOther group

    Treatment: MED-EL Cochlear Implant System

Data and sources

Registry record
Listed on ClinicalTrials.gov.
Official title
Cochlear Implantation in the Single-Sided Deafness in the Medicare Population
Record updated
31 August 2026