Home › Hearing Loss › NCT07228845
Effectiveness Comparison of 3D-Printed and Conventional Ear Tip Comfort in Individuals With Hearing Loss
Who can join
Ages 18 to 89 · All sexes
Full eligibility criteria
Inclusion Criteria: * Bilateral, symmetric, sensorineural hearing loss, with thresholds between normal and severe degree of hearing loss * Normal otoscopy: patent ear canals with normal appearing eardrums and aerated middle ear, bilaterally. * English speaking. Exclusion Criteria: * Self reported history of extensive or current outer or middle ear pathology. * Self reported history of extensive outer or middle ear surgery. * Self reported history of neurological or cognitive disorder. * Active ear infection
About the study
Access to affordable and timely hearing healthcare remains a major challenge for many individuals, partly due to the high cost and long turnaround time. This study will explore whether 3D-printed ear tips perform as well as or better than standard ear tips in terms of sound quality, comfort, and fit over a prolonged duration in a sample of individuals with bilateral hearing loss. It will also compare how long each method takes to make and how much each costs.
What is being tested
- BTE hearing aids with compatible ear tips (Third-party, FlexResin, Resin) (device)
- BTE hearing aids with compatible ear tips (FlexResin, Resin, Third-party, FlexResin) (device)
- BTE hearing aids with compatible ear tips (Resin, Third-party, FlexRes) (device)
Sponsor: University of Arizona · Participants: 32 · Started: Mar 15, 2026
Contact the study team
- Bryan Wong, AuD, PhD · Phone: 16025270359
Official record on ClinicalTrials.gov — NCT07228845
Locations in the U.S.
| Arizona | The University of Arizona Hearing Clinic, Tucson |
Conditions
From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.