Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 28, 2026, 12:21 PM EDT

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Showing 1081–1104 of 1,358 matching trials from the live ClinicalTrials.gov search.
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effects of Nonlinear Signal Processing Algorithms on Speech Perception

NCT05954520
Conditions
Speech, Hearing Loss, Sensorineural, Hearing Aids
Interventions
Tympan
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Bloomington, Indiana
Completed No phase listed Interventional Accepts healthy volunteers Results available

Early Feasibility Study Using IOPCL MAG to Improve Near Vision in ARMD Subjects

NCT04984590
Conditions
Low Vision, Age Related Macular Degeneration
Interventions
IOPCL AMD MAG
Device
Lead sponsor
OnPoint Vision Inc
Industry
Eligibility
55 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Laguna Hills, California
Completed No phase listed Observational

Study of Taste Deficits

NCT00022997
Conditions
Taste Disorder, Healthy
Interventions
Not listed
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
NIH
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Hearing Loss, Unilateral, Deafness, Unilateral
Interventions
The Cochlear™ Nucleus® Cochlear Implant (CI) System
Device
Lead sponsor
Cochlear
Industry
Eligibility
5 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
6
States / cities
Palo Alto, California • Englewood, Colorado • Iowa City, Iowa + 3 more
Conditions
Blindness
Interventions
Not listed
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Newark, New Jersey
Conditions
Tinnitus, Misophonia
Interventions
Aurora Mindfulness app versus sham
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
10 Years to 18 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Completed Not applicable Interventional Accepts healthy volunteers

Interaction of Salivary Proteins and Polyphenols

NCT03501238
Conditions
Diet Habit, Diet Modification, Taste, Altered, Saliva Altered
Interventions
Chocolate Milk, Chocolate milk substitute, Chocolate milk substitute with gelatin
Other
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 45 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
West Lafayette, Indiana
Conditions
Sensorineural Hearing Loss, Hearing Disorder, Vestibular Disease
Interventions
Not listed
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
NIH
Eligibility
Up to 99 Years
Enrollment
335 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Migraine Headaches
Interventions
ELS-M11, Placebo
Drug
Lead sponsor
Achelios Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
2
States / cities
Ann Arbor, Michigan • Charleston, South Carolina
Conditions
Hearing Impairment
Interventions
Not listed
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
55 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Galveston, Texas
Conditions
Sleep-wake Disorder in Blind Individuals
Interventions
Data collection on blindness and sleep problems
Other
Lead sponsor
Vanda Pharmaceuticals
Industry
Eligibility
Not listed
Enrollment
10,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2030
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Not applicable Interventional Accepts healthy volunteers Results available

Hybrid Cochlear Implants in Severe to Profound Adults, Children, and Adolescents

NCT01975571
Conditions
Hearing Loss, High-Frequency
Interventions
Cochlear® Nucleus™ Hybrid L24, Cochlear® Nucleus™ Hybrid S12
Device
Lead sponsor
Bruce J Gantz
Other
Eligibility
5 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2018
U.S. locations
2
States / cities
Iowa City, Iowa
Completed Not applicable Interventional Accepts healthy volunteers

Hearing Program in Primary Care

NCT05943509
Conditions
Deafness
Interventions
Alternative rehabilitation strategies, Usual Care
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
60 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
New York, New York
Conditions
Amblyopia
Interventions
Donepezil, Single-letter training, Uncrowd training
Drug · Behavioral
Lead sponsor
Dennis Levi
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Berkeley, California
Not listed Not applicable Interventional Accepts healthy volunteers

Early Age-Related Hearing Loss Investigation Pilot Study

NCT05970211
Conditions
Hearing Loss
Interventions
Phonak Audeo Lumity Receiver in Canal Hearing Aid
Device
Lead sponsor
University of South Florida
Other
Eligibility
55 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Tampa, Florida
Conditions
Hearing Loss
Interventions
Hearing Aid Treatments
Device
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
21 Years to 85 Years
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
3
States / cities
Bay Pines, Florida • Mountain Home, Tennessee • Nashville, Tennessee
Terminated Not applicable Interventional Results available

Blind Child Melatonin Treatment Study

NCT00691444
Conditions
Blindness
Interventions
Melatonin, Melatonin
Dietary Supplement · Biological
Lead sponsor
Oregon Health and Science University
Other
Eligibility
5 Years to 20 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2015
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Deafness, Cochlear Hearing Loss
Interventions
Changes in traditional follow-up, Population mean mapping
Other
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
18 Years to 85 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Head and Neck Cancer Survivors, Cancer of the Head and Neck Surviors
Interventions
Ototoxicity Screening Protocol
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Deafness, Hearing Loss
Interventions
ASL Services
Behavioral
Lead sponsor
University of Connecticut
Other
Eligibility
2 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Storrs, Connecticut
Conditions
Somatosensory Disorders
Interventions
Vibration Plate Therapy
Device
Lead sponsor
Logan College of Chiropractic
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Chesterfield, Missouri
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Evaluation of Two Silicone Hydrogel Daily Disposable Contact Lenses

NCT02595502
Conditions
Vision Disorders
Interventions
JJVC Marketed Contact Lens (Test), Competitor Marketed Contact Lens (Control)
Device
Lead sponsor
Johnson & Johnson Vision Care, Inc.
Industry
Eligibility
18 Years to 39 Years
Enrollment
286 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
13
States / cities
Montgomery, Alabama • Fruit Cove, Florida • Sarasota, Florida + 10 more
Conditions
Low Vision
Interventions
Virtual bioptic magnification with large field of view, Full field magnification with small field of view
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
14 Years to 100 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Deafness
Interventions
Electrode-Neural Interface
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
2 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
New York, New York