Actively Recruiting

Phase Not Applicable
Age: 5Years +
All Genders
NCT05318417

Investigation to Evaluate the Safety and Effectiveness of Cochlear Implantation in Children and Adults With Unilateral Hearing Loss/Single-sided Deafness

Led by Cochlear · Updated on 2025-09-02

60

Participants Needed

8

Research Sites

249 weeks

Total Duration

On this page

Sponsors

C

Cochlear

Lead Sponsor

N

NAMSA

Collaborating Sponsor

AI-Summary

What this Trial Is About

The aim of the study is to assess the continued efficacy and safety of cochlear implantation in participants aged 5 years and above with Unilateral Hearing Loss (UHL)/Single Sided Deafness (SSD) supporting a change indication for use.

CONDITIONS

Official Title

Investigation to Evaluate the Safety and Effectiveness of Cochlear Implantation in Children and Adults With Unilateral Hearing Loss/Single-sided Deafness

Who Can Participate

Age: 5Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Individuals 18 years or older (Group A)
  • Severe sensorineural hearing loss in the ear to be implanted defined as pure-tone average at 0.5, 1, 2, 4 kHz >80 dB HL and aided CNC score  5%
  • Normal or near normal hearing in the other ear defined as an average of 0.5, 1, 2, 4 kHz  30 dB HL
  • Children aged 5 years to 17 years, 11 months (Group B)
  • Previous experience with a current conventional treatment option for unilateral hearing loss (HA, bone-conduction device, or CROS technology), or a minimum two-week trial if no previous experience
  • English spoken as a primary language
  • Willing and able to provide written informed consent
Not Eligible

You will not qualify if you...

  • Ossification, abnormal cochlear nerve, or other cochlear anomalies preventing complete electrode insertion
  • Previous cochlear implantation
  • Hearing loss of neural or central origin, including auditory neuropathy
  • Duration of profound sensorineural hearing loss longer than 10 years
  • Active or chronic middle-ear infection; conductive hearing loss in either ear
  • Medical or psychological conditions contraindicating surgery
  • Unrealistic expectations about benefits, risks, and limitations
  • Evidence or suspicion of cognitive or developmental concerns
  • Unable or unwilling to comply with study requirements
  • Investigator site personnel or their immediate family members
  • Cochlear employees or employees of Contract Research Organizations or contractors involved in this study
  • Pregnant or breastfeeding women
  • Currently participating or recently participated in another interventional clinical trial within the last 30 days

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 8 locations

1

Stanford University

Palo Alto, California, United States, 94304

Actively Recruiting

2

Rocky Mountain Ear Center

Englewood, Colorado, United States, 80113

Actively Recruiting

3

University of Iowa

Iowa City, Iowa, United States, 52242

Actively Recruiting

4

New York Eye and Ear Infirmary

New York, New York, United States, 10003

Actively Recruiting

5

University of North Carolina

Chapel Hill, North Carolina, United States, 27517

Actively Recruiting

6

Nationwide Children's Hospital

Columbus, Ohio, United States, 43205

Withdrawn

7

University of Texas Southwestern Medical Center- Department of Otolaryngology Head and Neck Surgery

Dallas, Texas, United States, 75390

Withdrawn

8

Virginia Mason Medical Center

Seattle, Washington, United States, 98101

Actively Recruiting

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Research Team

P

PRS Specialist

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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Investigation to Evaluate the Safety and Effectiveness of Cochlear Implantation in Children and Adults With Unilateral Hearing Loss/Single-sided Deafness | DecenTrialz