Effectiveness Comparison of 3D-Printed and Conventional Ear Tip Comfort in Individuals With Hearing Loss

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.

NCT Number	NCT07228845
Lead Sponsor	University of Arizona
Conditions	Hearing Aids, Hearing Loss, Bilateral Sensorineural, 3D Printing
Enrollment	32 participants
Start Date	2026-03-15
Primary Completion	2027-04-15 (estimated)
Study Completion	2027-04-25 (estimated)
Updated on ClinicalTrials.gov	2026-05-01