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ClinicalTrials.gov public records Last synced May 21, 2026, 7:14 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 63 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Not applicable Interventional Accepts healthy volunteers Results available
Conditions
Hearing Loss, Sensorineural, Hearing Loss, Bilateral
Interventions
Iowa/Nucleus 10/10 mm and Freedom Cochlear Implantation
Device
Lead sponsor
Bruce J Gantz
Other
Eligibility
12 Months to 24 Months
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2016
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 22, 2018 · Synced May 21, 2026, 7:14 PM EDT
Conditions
Hearing Loss
Interventions
Low-level Laser Therapy, Placebo Comparator: Disabled Laser
Radiation · Other
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 75 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 31, 2017 · Synced May 21, 2026, 7:14 PM EDT
Terminated Not applicable Interventional Results available
Conditions
Hearing Loss, Sensorineural, Hearing Loss, Bilateral
Interventions
Cochlear implantation
Device
Lead sponsor
Cochlear
Industry
Eligibility
65 Years to 85 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
8
States / cities
Tucson, Arizona • Los Angeles, California • St Louis, Missouri + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 21, 2022 · Synced May 21, 2026, 7:14 PM EDT
Recruiting Not applicable Interventional
Conditions
Hearing Loss, Hearing Disorders in Children, Hearing Loss, Sensorineural, Hearing Loss, Conductive, Hearing Loss, Unilateral, Hearing Loss, Noise-Induced, Hearing Loss, Mixed, Hearing Loss, Bilateral
Interventions
Otoacoustic Emissions Testing, Pure Tone Audiometry
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
2 Years to 6 Years
Enrollment
13,764 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced May 21, 2026, 7:14 PM EDT
Conditions
Hearing Loss, Sensorineural, Hearing Loss, Bilateral
Interventions
Cochlear™ Nucleus® System
Device
Lead sponsor
Cochlear
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
9
States / cities
Phoenix, Arizona • Tucson, Arizona • Santa Monica, California + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced May 21, 2026, 7:14 PM EDT
Conditions
Hearing Loss, Hearing Loss, Sensorineural, Cochlear Hearing Loss
Interventions
Diagnostic tests of cochlear implant or acoustic hearing function, Targeted aural rehabilitation of the poorer performing ear
Diagnostic Test · Behavioral
Lead sponsor
University of Maryland, College Park
Other
Eligibility
18 Years to 85 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
2
States / cities
Bethesda, Maryland • College Park, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced May 21, 2026, 7:14 PM EDT
Conditions
Deafness
Interventions
HiResolution Bionic Ear System (Cochlear Implant)
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
12 Months to 36 Months
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 5, 2012 · Synced May 21, 2026, 7:14 PM EDT
Conditions
Unilateral Severe to Profound Hearing Loss OR Bilateral Severe to Profound Hearing Loss
Interventions
CGF166
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
4
States / cities
Kansas City, Kansas • Baltimore, Maryland • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2021 · Synced May 21, 2026, 7:14 PM EDT
Conditions
Sensorineural Hearing Loss, Bilateral Hearing Loss, Cochlear Implantation, Hearing Disorders, Hearing Disorders and Deafness, Inner Ear Disorders, Hearing Impairment
Interventions
IotaSoft Robotic Insertion System, Manual Cochlear Implant Insertion
Device · Procedure
Lead sponsor
AdventHealth
Other
Eligibility
18 Years to 80 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Kissimmee, Florida
Source: ClinicalTrials.gov public record
Updated Jan 1, 2026 · Synced May 21, 2026, 7:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
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 May 21, 2026, 7:14 PM EDT
Conditions
Hearing Loss, Sensorineural, Hearing Loss, Bilateral
Interventions
Phonak Audeo P or Naida P hearing aid
Device
Lead sponsor
Sonova AG
Industry
Eligibility
4 Years to 12 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 13, 2023 · Synced May 21, 2026, 7:14 PM EDT
Conditions
Bilateral Sensorineural Hearing Loss
Interventions
Cochlear implant
Device
Lead sponsor
American Cochlear Implant Alliance
Other
Eligibility
65 Years and older
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
19
States / cities
Los Angeles, California • Englewood, Colorado • Miami, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated Jul 26, 2021 · Synced May 21, 2026, 7:14 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers
Conditions
Hearing Loss, Bilateral, Language Development
Interventions
Technology assisted language intervention, Treatment as usual
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
3 Years to 10 Years
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
2
States / cities
Aurora, Colorado • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced May 21, 2026, 7:14 PM EDT
Conditions
Bilateral Hearing Loss, Health Services Research
Interventions
Pharmacy Technician Educational Training
Behavioral
Lead sponsor
University of Alabama, Tuscaloosa
Other
Eligibility
18 Years and older
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Tuscaloosa, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced May 21, 2026, 7:14 PM EDT
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 May 21, 2026, 7:14 PM EDT
Conditions
Sensorineural Hearing Loss, Bilateral
Interventions
Clinical Education and Treatment Model, Traditional Model
Other
Lead sponsor
Cochlear
Industry
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
2
States / cities
Wichita Falls, Texas • Edmonds, Washington
Source: ClinicalTrials.gov public record
Updated Oct 28, 2020 · Synced May 21, 2026, 7:14 PM EDT
Conditions
Bilateral Sensorineural Hearing Loss, Cochlear Implant, Hearing Preservation, Electric and Acoustic Simulation
Interventions
binaural processing over time, binaural processing over time for children and adults with normal hearing
Behavioral
Lead sponsor
Hearts for Hearing
Other
Eligibility
5 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced May 21, 2026, 7:14 PM EDT
Completed Not applicable Interventional Results available
Conditions
Sensorineural Hearing Loss, Bilateral Hearing Loss
Interventions
CI632D, CI632
Device
Lead sponsor
Cochlear
Industry
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
4
States / cities
Englewood, Colorado • Iowa City, Iowa • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 21, 2025 · Synced May 21, 2026, 7:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
Conditions
Progesterone, Estrogens, Hearing, Psychoacoustics, Auditory Perceptual Disorders
Interventions
Hormone Replacement Therapy - HRT
Drug
Lead sponsor
University of Rochester
Other
Eligibility
60 Years to 86 Years · Female only
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2005
U.S. locations
2
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Dec 11, 2005 · Synced May 21, 2026, 7:14 PM EDT
Completed Not applicable Interventional Results available
Conditions
Presbycusis, Bilateral, Alzheimer Disease 2 Due to Apoe4 Isoform, Mild Cognitive Impairment
Interventions
Audiologist-based fitting, Service-only Fitting, Device-only fitting
Device
Lead sponsor
Yu-Hsiang Wu
Other
Eligibility
55 Years to 85 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
2
States / cities
Iowa City, Iowa • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 16, 2025 · Synced May 21, 2026, 7:14 PM EDT
Conditions
Cochlear Implants, Bilateral Sensorineural Hearing Loss
Interventions
Sound Success, Standard of Care
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 31, 2025 · Synced May 21, 2026, 7:14 PM EDT
Conditions
Mitochondrial Disorders, Mitochondrial Genetic Disorders, Mitochondrial Diseases, Disorder of Mitochondrial Respiratory Chain Complexes, Deletion and Duplication of Mitochondrial DNA
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2026
U.S. locations
16
States / cities
San Diego, California • Stanford, California • Aurora, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced May 21, 2026, 7:14 PM EDT
Conditions
Hearing Loss, Bilateral or Unilateral
Interventions
Phonak Audeo Infinio Hearing Aid
Device
Lead sponsor
Sonova AG
Industry
Eligibility
18 Years to 95 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Aurora, Illinois
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced May 21, 2026, 7:14 PM EDT
Conditions
Hearing Loss, Bilateral
Interventions
Parent-Mediated Intervention (PMI)
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
5 Years to 8 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced May 21, 2026, 7:14 PM EDT