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Showing 1–24 of 31 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Hearing amplification Clear all
Completed No phase listed Observational Accepts healthy volunteers

Sight and Hearing Investigation Into Effects on Delirium

NCT06176625
View directory record Official record
Conditions
Hearing Loss, Hearing Loss, Age-Related, Hearing Disability, Delirium, Delirium in Old Age, Delirium of Mixed Origin, Delirium With Dementia, Delirium on Emergence, Delirium, Cause Unknown, Delirium Superimposed on Dementia, Delirium Confusional State, Delirium;Non Alcoholic, Hearing Loss, Bilateral, Hearing Loss, Sensorineural, Hearing Loss, Functional, Hearing Loss, High-Frequency, Hearing
Interventions
Communication Signage, Amplifier Use
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
65 Years and older
Enrollment
1,543 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 7, 2026, 2:35 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Amplification and Tinnitus Masker Performance and Benefit for Adults With Hearing Loss and Tinnitus

NCT07298499
View directory record Official record
Conditions
Hearing Aid, Tinnitus
Interventions
Hearing Aid, Tinnitus Masker
Device
Lead sponsor
Starkey Laboratories, Inc
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Broomfield, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Sep 7, 2026, 2:35 AM EDT
Completed Not applicable Interventional

Comparison of In-Person Versus Remote Cochlear Implant Candidacy Evaluations

NCT02684175
View directory record Official record
Conditions
Hearing Loss, Hearing Disorders
Interventions
Remote CI Counseling, In-Person CI Counseling
Device · Other
Lead sponsor
Matthew Bush, MD
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 12, 2020 · Synced Sep 7, 2026, 2:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Aging, Cognition, and Hearing Evaluation in Elders Study

NCT02412254
View directory record Official record
Conditions
Hearing Loss
Interventions
Best practices hearing rehabilitative treatment, Successful aging intervention
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
70 Years to 84 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Hagerstown, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 7, 2021 · Synced Sep 7, 2026, 2:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Restoration of Spectral Resolution With Hearing-aid Amplification

NCT03850678
View directory record Official record
Conditions
Hearing Loss
Interventions
Hearing Aid
Device
Lead sponsor
University of Nebraska Lincoln
Other
Eligibility
40 Years to 75 Years
Enrollment
209 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jan 13, 2025 · Synced Sep 7, 2026, 2:35 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Evaluation of an Open-source Speech-processing Platform

NCT03686046
View directory record Official record
Conditions
Hearing Loss, Sensorineural
Interventions
Exploratory use
Other
Lead sponsor
San Diego State University
Other
Eligibility
30 Years to 90 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 7, 2026, 2:35 AM EDT
Completed Phase 2 Interventional

Measurement and Prediction of Outcomes of Amplification

NCT00013416
View directory record Official record
Conditions
Hearing Impaired
Interventions
Hearing
Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
60 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2002
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 20, 2009 · Synced Sep 7, 2026, 2:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparison of PSAPs in Different Maskers

NCT03704142
View directory record Official record
Conditions
Auditory Perception
Interventions
Sound World Solutions CS50+, Tweak Focus, IQ Earbuds, Bose Hearphones
Device
Lead sponsor
University of Massachusetts, Amherst
Other
Eligibility
45 Years to 64 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Amherst, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 16, 2022 · Synced Sep 7, 2026, 2:35 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Hearing Loss and Communication Needs in a Group Care Setting for Older Adults

NCT04659967
View directory record Official record
Conditions
Age-related Hearing Loss
Interventions
Virtual Training
Behavioral
Lead sponsor
University of Massachusetts, Amherst
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
3
States / cities
Boston, Massachusetts • West Springfield, Massachusetts • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 5, 2022 · Synced Sep 7, 2026, 2:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Blast Exposed Veterans With Auditory Complaints

NCT02122458
View directory record Official record
Conditions
Hearing Impairment, Hearing Aid Fitting
Interventions
mild-gain hearing aids with high-frequency emphasis over 6-months
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
20 Years to 50 Years
Enrollment
363 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
3
States / cities
Portland, Oregon • Pittsburgh, Pennsylvania • Sioux Falls, South Dakota
Source: ClinicalTrials.gov public record
Updated Jun 21, 2023 · Synced Sep 7, 2026, 2:35 AM EDT
Enrolling by invitation No phase listed Observational

Allied Cleft & Craniofacial Quality-Improvement and Research Network (ACCQUIREnet)

NCT02702869
View directory record Official record
Conditions
Cleft Lip, Cleft Palate, Cleft Lip and Palate
Interventions
cleft lip repair, cleft palate repair, oronasal fistula repair, pharyngoplasty, gingivoperiosteoplasty, LeFort-1 maxillary repositioning, rhinoplasty, myringotomy and tympanostomy tube placement, speech therapy, orthodontia, presurgical orthopedics, sound amplification for hearing
Procedure · Other · Device
Lead sponsor
Duke University
Other
Eligibility
1 Day to 22 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2031
U.S. locations
10
States / cities
Gainesville, Florida • Hollywood, Florida • Orlando, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 7, 2026, 2:35 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Personal Sound Amplification Smartphone Application Feasibility

NCT03652909
View directory record Official record
Conditions
Hearing Loss
Interventions
Ascending Hearing Technologies device
Device
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 2, 2023 · Synced Sep 7, 2026, 2:35 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Open-source Hearing Aid Platform Comparisons

NCT05693610
View directory record Official record
Conditions
Hearing Loss, Hearing Loss, Sensorineural
Interventions
Portable OSP, Cloud-based OSP
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 9, 2025 · Synced Sep 7, 2026, 2:35 AM EDT
Recruiting Not applicable Interventional

Hearing Aids for Veterans With Functional Hearing Difficulties

NCT06117254
View directory record Official record
Conditions
Auditory Processing Disorder
Interventions
Communication Counseling, Hearing Aids, Remote Microphones
Behavioral · Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 79 Years
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced Sep 7, 2026, 2:35 AM EDT
Completed Phase 4 Interventional Results available

Treating Hearing Loss to Improve Mood and Cognition in Older Adults

NCT03321006
View directory record Official record
Conditions
Hearing Loss, Depression
Interventions
Phonak Audeo B-R 90 hearing aid device (Active), Duloxetine or escitalopram, Audeo B-R 90 hearing aid device (Sham)
Device · Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
60 Years to 99 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 3, 2021 · Synced Sep 7, 2026, 2:35 AM EDT
Completed Not applicable Interventional Results available

The EarLens Contact Hearing Device (CHD) Spectrum Study

NCT02470494
View directory record Official record
Conditions
Hearing Loss, Sensorineural
Interventions
Sound amplification provided via the EarLens CHD
Device
Lead sponsor
EarLens Corporation
Industry
Eligibility
18 Years to 85 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
8
States / cities
La Jolla, California • Menlo Park, California • San Jose, California + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2017 · Synced Sep 7, 2026, 2:35 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Assessing Speech Perception and Amplification Benefit During Infancy

NCT05653999
View directory record Official record
Conditions
Hearing Loss, Children With Hearing Differences, Amplification, Speech Perception
Interventions
Hearing Aids
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
6 Months to 36 Months
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 3, 2025 · Synced Sep 7, 2026, 2:35 AM EDT
Completed Not applicable Interventional Results available

Evaluation of Unilateral vs Bilateral Hearing Aids for the Treatment of Age-related Hearing Loss

NCT04739436
View directory record Official record
Conditions
Hearing Loss
Interventions
Hearing amplification
Device
Lead sponsor
Duke University
Other
Eligibility
50 Years and older
Enrollment
278 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Durham, North Carolina • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 9, 2025 · Synced Sep 7, 2026, 2:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smartphone Enabled Hearing Study

NCT05872035
View directory record Official record
Conditions
Hearing
Interventions
Apple Software, by Audiologist
Device
Lead sponsor
Apple Inc.
Industry
Eligibility
18 Years and older
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 28, 2024 · Synced Sep 7, 2026, 2:35 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Wide-Bandwidth Open Canal Hearing Aid For Better Multitalker Speech Understanding

NCT00582946
View directory record Official record
Conditions
Hearing Impairment
Interventions
Hearing Aid
Device
Lead sponsor
EarLens Corporation
Industry
Eligibility
21 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Nov 3, 2016 · Synced Sep 7, 2026, 2:35 AM EDT
Completed Not applicable Interventional Results available

Feasibility and Acceptability of Using Low-Gain Hearing Aids for Bothersome Tinnitus

NCT03904264
View directory record Official record
Conditions
Tinnitus, Hearing Aids, Normal Hearing
Interventions
Receiver in the canal (RIC) hearing aids
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 20, 2023 · Synced Sep 7, 2026, 2:35 AM EDT
Completed Not applicable Interventional Results available

The EarLens System Long Term Safety and Efficacy Definitive Multi-Center Study

NCT02042404
View directory record Official record
Conditions
Hearing Impairment
Interventions
Sound amplification provided via EarLens System.
Device
Lead sponsor
EarLens Corporation
Industry
Eligibility
18 Years to 85 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
3
States / cities
Menlo Park, California • San Jose, California • Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Feb 1, 2016 · Synced Sep 7, 2026, 2:35 AM EDT
Recruiting Not applicable Interventional

OTC Hearing Aid and MCI

NCT06112860
View directory record Official record
Conditions
Hearing Loss, Mild Cognitive Impairment, Alzheimer Disease and Related Dementias (ADRD)
Interventions
Over the counter hearing aid, Communication Strategies Information/Counseling
Device · Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
60 Years to 90 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
3
States / cities
Evanston, Illinois • La Crosse, Wisconsin • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 7, 2026, 2:35 AM EDT
Completed Not applicable Interventional

Notched Noise Therapy for Suppression of Tinnitus

NCT04661995
View directory record Official record
Conditions
Tinnitus, Notched Noise Therapy
Interventions
Hearing Aid and Notched Noise Therapy, Hearing Aid and Broadband Noise, Hearing Aid
Combination Product · Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Sep 7, 2026, 2:35 AM EDT