Trial Parameters
Brief Summary
The purpose of the study is to evaluate the long-term safety and effectiveness of cochlear implantation of the approved population in adults and children with single-sided deafness and asymmetric hearing loss.
Eligibility Criteria
Inclusion Criteria: * Five 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 and a diagnosed pathology of the outer or middle ear * Normal hearing or mild to moderate hearing loss in the non-implanted ear, as defined by a pure-tone average (500, 1000, 2000, and 4000 Hz) of 55 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 Contralateral Routing of Signal (CROS) hearing aid, BI-Contralateral Routing of Signal (CROS) hearing aid, bone conduction, or traditional hearing aid, as deemed appropriate by investigator * Fluent in English Exclusion Criteria: * Duration of profoun