About this trial
This study will assess the benefit of extended wear hearing aids for subjective listening effort, compared to the unaided condition, in adults with mild sensorineural hearing loss.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Meets requirements outlined on Lyric Candidacy Form
Current Lyric hearing instrument user
18 years of age or older at time of enrollment in the study
Mild sensorineural hearing loss as defined by WHO, 4 frequency PTA of 20-34 dB HL, in the better hearing ear
Disqualifiers
Does not meet requirements outlined on Lyric Candidacy Form (see Chapter 9 of the TMF/ISF for SRF-469)
Difficulty understanding/reading instructions when corrected for vision loss
Impairments that would restrict participation in any of the evaluations
Ear health conditions present at baseline that prevent immediate device replacement
Trial design
Single group
Treatments tested in this trial
Extended Wear Hearing Aid
DeviceExtended wear hearing aid means that the device is worn 24 hours per day, 7 days a week for months at a time. However, this study will only fit devices on participants for one testing session lasting 2 hours.
Treatment groups
Trial outcomes
Primary outcomes
NASA Task Load Index (NASA-TLX)
A raw score on six demensions (mental demand, physical demand, temporal demand, frustration, effort, performance) on a scale from 1 (low/good) to 20 (high/poor). A higher score indicates higher levels of subjective effort.
Secondary outcomes
AZBio Speech in noise testing
The percentage of words correctly repeated by the participant when listening to sentences played from a front speaker at a certain dB level, while background noise is presented simultaneously from four corner speakers. A higher percentage indicates better speech understanding in noise.
Sponsors and contacts
Click on the lead sponsor to view all of their trials.
Sonova AG
Lead sponsor
The Woodlands Hearing Center
Collaborator
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