Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 19, 2026, 1:22 PM EDT

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

Showing 49–70 of 70 matching trials from the live ClinicalTrials.gov search.
Conditions
Retinitis Pigmentosa, Usher Syndrome Type 2, Deaf Blind, Retinal Disease, Eye Diseases, Eye Diseases, Hereditary, Eye Disorders Congenital, Vision Disorders
Interventions
QR-421a, Sham-procedure (dose cohort 1&2 only)
Drug · Other
Lead sponsor
ProQR Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
4
States / cities
Boston, Massachusetts • Ann Arbor, Michigan • Portland, Oregon + 1 more
Conditions
Profound Bilateral Deafness Due to, Bilateral Cochlear Aplasia, Bilateral Cochlear Nerve Deficiency, Bilateral Cochlear Ossification Secondary to Meningitis
Interventions
Auditory Brainstem Implant
Device
Lead sponsor
Laurie Eisenberg
Other
Eligibility
2 Years to 6 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
2
States / cities
Los Angeles, California
Recruiting Not applicable Interventional

Sentence Shaping - DHH

NCT06860022
Conditions
Hearing Loss, Bilateral
Interventions
Shape Coding
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
9 Years to 15 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Early Phase 1 Interventional Results available

Workshops for Veterans With Vision and Hearing Loss

NCT01109576
Conditions
Deafness, Blindness
Interventions
DSL Workshop
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
55 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
2
States / cities
Decatur, Georgia • Portland, Oregon
Conditions
Retinal Degeneration, Age-Related Macular Degeneration, Retinitis Pigmentosa, Hydroxychloroquine Retinopathy, Usher Syndromes, Late-Onset Retinal Degeneration, Cone Dystrophy, Cone Rod Dystrophy, Rod Cone Dystrophy, Rod Dystrophy
Interventions
Adaptive optics imaging
Device
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
21 Years and older
Enrollment
100 participants
Timeline
2021 – 2028
U.S. locations
2
States / cities
Bethesda, Maryland • Silver Spring, Maryland
Conditions
Mental Health Issue, Alcohol Use Disorder, Depression, Anxiety, Insomnia, Post Traumatic Stress Disorder
Interventions
Cognitive Behavioral Therapy for Treatment Seeking (CBT-TS)
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Rochester, New York
Recruiting No phase listed Observational Accepts healthy volunteers

Inherited Retinal Degenerative Disease Registry

NCT02435940
Conditions
Eye Diseases Hereditary, Retinal Disease, Achromatopsia, Bardet-Biedl Syndrome, Bassen-Kornzweig Syndrome, Batten Disease, Best Disease, Choroidal Dystrophy, Choroideremia, Cone Dystrophy, Cone-Rod Dystrophy, Congenital Stationary Night Blindness, Enhanced S-Cone Syndrome, Fundus Albipunctatus, Goldmann-Favre Syndrome, Gyrate Atrophy, Juvenile Macular Degeneration, Kearns-Sayre Syndrome, Leber Congenital Amaurosis, Refsum Syndrome, Retinitis Pigmentosa, Retinitis Punctata Albescens, Retinoschisis, Rod-Cone Dystrophy, Rod Dystrophy, Rod Monochromacy, Stargardt Disease, Usher Syndrome
Interventions
Not listed
Lead sponsor
Foundation Fighting Blindness
Other
Eligibility
Not listed
Enrollment
20,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2037
U.S. locations
1
States / cities
Columbia, Maryland
Conditions
Retinitis Pigmentosa Syndromic, Congenital Deafness, Usher Syndrome, Retinitis Pigmentosa and Deafness, Retinitis Pigmentosa
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
2 Years and older
Enrollment
249 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2019
U.S. locations
2
States / cities
Bethesda, Maryland • New York, New York
Enrolling by invitation Not applicable Interventional

Opto-electrical Cochlear Implants

NCT05110183
Conditions
Hearing Loss
Interventions
electrical stimulation, optical stimulation, combined optical and electrical stimulation
Device · Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 89 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Coral Gables, Florida • Columbia, Missouri
Conditions
Healthy Lifestyle, Overweight, Obesity, Cardiovascular Risks, Implementation Research
Interventions
Deaf Weight Wise intervention
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Rochester, New York
Conditions
Parental Language Behaviors
Interventions
Linguistic Feedback Report, Multimedia Education Sessions, EI-As-Usual
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
6 Months and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Language Development
Interventions
Strategic and Interactive Signing Instruction
Behavioral
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
4 Years to 12 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Knoxville, Tennessee
Completed No phase listed Observational Accepts healthy volunteers

Tracking Neurodegeneration in Early Wolfram Syndrome

NCT02455414
Conditions
Type 1 Diabetes, Diabetes Insipidus, Diabetes Mellitus, Wolfram Syndrome
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
1 Day and older
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Usher Syndrome, Cochlear Implantation
Interventions
Experimental manipulation of stimulation parameters
Other
Lead sponsor
Ohio State University
Other
Eligibility
1 Year to 85 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
4
States / cities
Boston, Massachusetts • Columbus, Ohio • Nashville, Tennessee
Conditions
Hearing Impaired Children
Interventions
Broad Target Speech Recast, Traditional Speech Therapy
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
4 Years to 10 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Implants, Cochlear, Child, Hearing Loss, Bilateral
Interventions
Hybrid L24
Device
Lead sponsor
University of Iowa
Other
Eligibility
12 Months to 24 Months
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2022
U.S. locations
2
States / cities
Iowa City, Iowa
Conditions
Primary Photoreceptor Disease, Retinitis Pigmentosa (RP), Usher Syndrome, Inherited Retinal Disease (IRD), Rod-Cone Dystrophy, Rod-Cone Disease, Retinal Degeneration, Cone-Rod Disease (C-RD), Cone-Rod Dystrophy
Interventions
OpCT-001
Biological
Lead sponsor
BlueRock Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
5
States / cities
Los Angeles, California • Miami, Florida • Philadelphia, Pennsylvania + 2 more
Conditions
Single-sided Deafness
Interventions
MED-EL Maestro Cochlear Implant
Device
Lead sponsor
Robert Shannon
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
2
States / cities
Los Angeles, California
Conditions
Usher Syndrome, Retinitis Pigmentosa
Interventions
SAR421869
Drug
Lead sponsor
Sanofi
Industry
Eligibility
6 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Retinitis Pigmentosa
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
Not listed
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Wolfram Syndrome, Diabetes Mellitus, Optic Nerve Atrophy, Deafness, Diabetes Insipidus, Ataxia
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
0 Years and older
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Completed No phase listed Observational Accepts healthy volunteers

Mechanisms of Health Literacy and Information Accessibility in the Deaf

NCT03093779
Conditions
Hearing Loss, Health Literacy
Interventions
Health Information Assessment
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 70 Years
Enrollment
901 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
3
States / cities
Chicago, Illinois • Flint, Michigan • Rochester, New York