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 23, 2026, 3:57 AM EDT

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

Showing 553–576 of 1,356 matching trials from the live ClinicalTrials.gov search.
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Visual Retraining on Visual Loss Following Visual Cortical Damage

NCT05098236
Conditions
Vision Loss Partial, Hemianopia, Hemianopia Homonymous, Quadrantanopia, Stroke, Ischemic
Interventions
Training in the Blind Field, Training in the Sighted Field
Other
Lead sponsor
University of Rochester
Other
Eligibility
17 Years to 75 Years
Enrollment
280 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2024
U.S. locations
1
States / cities
Rochester, New York
Conditions
Infant, Newborn, Infant, Low Birth Weight, Infant, Small for Gestational Age, Infant, Premature, Retinopathy of Prematurity, Blindness
Interventions
Supplemental Oxygen Management, Conventional Oxygen Management
Procedure
Lead sponsor
NICHD Neonatal Research Network
Network
Eligibility
Up to 48 Hours
Enrollment
649 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1994 – 1999
U.S. locations
9
States / cities
Palo Alto, California • New Haven, Connecticut • Atlanta, Georgia + 6 more
Conditions
Hearing Impairment, Deafness
Interventions
RoboHear Device
Device
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Little Rock, Arkansas
Conditions
Amblyopia
Interventions
App Vision Screening
Device
Lead sponsor
Gobiquity Mobile Health
Industry
Eligibility
1 Year to 8 Years
Enrollment
207 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Anchorage, Alaska
Conditions
Usher's Syndrome
Interventions
Blood draw for the laboratory assessment
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2031
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Sellar/Parasellar Tumor, Smell Dysfunction
Interventions
Omega-3
Dietary Supplement
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
2
States / cities
Stanford, California • Atlanta, Georgia
Conditions
Irritable Bowel Syndrome
Interventions
Varenicline
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Rochester, Minnesota
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
Recruiting Not applicable Interventional

Vestibular Implantation in Older Adults

NCT05676944
Conditions
Other Disorders of Vestibular Function, Bilateral, Bilateral Vestibular Deficiency (BVD), Gentamicin Ototoxicity, Labyrinth Diseases, Vestibular Diseases, Sensation Disorders, Bilateral Vestibular Hypofunction, Bilateral Vestibulopathy, Presbyvestibulopathy, Aminoglycoside Ototoxicity
Interventions
Labyrinth Devices MVI™ Multichannel Vestibular Implant System
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
65 Years to 90 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Deafness, Hearing Loss
Interventions
cochlear implantation, hearing aids
Device
Lead sponsor
Stanford University
Other
Eligibility
1 Day to 5 Years
Enrollment
303 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
2
States / cities
Stanford, California • Houston, Texas
Conditions
Tinnitus, Subjective
Interventions
Transcranial Direct Current Stimulation
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Chicago, Illinois
Active, not recruiting Not applicable Interventional Results available

Behavioral Parent Training for Families With Deaf and Hard of Hearing Preschoolers

NCT03916146
Conditions
Deafness, Hearing Loss, Parenting, Child Behavior
Interventions
Parent Training Intervention
Behavioral
Lead sponsor
Christina Studts
Other
Eligibility
3 Years to 99 Years
Enrollment
295 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Lexington, Kentucky
Conditions
Retinitis Pigmentosa, Retinitis, Retinal Diseases, Eye Diseases, Eye Diseases, Hereditary, Retinal Dystrophies, Retinal Degeneration
Interventions
Gene Therapy Product-MCO-010, Sham Injection
Biological · Procedure
Lead sponsor
Nanoscope Therapeutics Inc.
Industry
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
5
States / cities
Beverly Hills, California • Pensacola, Florida • Fargo, North Dakota + 2 more
Completed Phase 2 Interventional Results available

Smell Changes & Efficacy of Nasal Theophylline

NCT03990766
Conditions
Olfactory Disorder, Anosmia, Viral Infection, Theophylline Causing Adverse Effects in Therapeutic Use, Smell Disorder
Interventions
Theophylline, Saline Nasal
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Completed No phase listed Observational

Brain Imaging of Tinnitus

NCT00359931
Conditions
Hearing Disorder
Interventions
Not listed
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
NIH
Eligibility
30 Years to 65 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Completed No phase listed Observational Accepts healthy volunteers

Working Memory Changes With Aging and Hearing Loss

NCT01253031
Conditions
Aging, Hearing Loss
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 75 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Portland, Oregon
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Analgesic Efficacy of Smoked Cannabis

NCT00241579
Conditions
Pain, Hyperalgesia
Interventions
Smoked Cannabis
Drug
Lead sponsor
Center for Medicinal Cannabis Research
Other
Eligibility
18 Years to 90 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
San Diego, California
Conditions
Traumatic Amputation of Lower Extremity, Phantom Limb Pain
Interventions
Spinal cord stimulator
Device
Lead sponsor
Lee Fisher, PhD
Other
Eligibility
22 Years to 70 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Completed Not applicable Interventional

At-Home Olfactory Training

NCT03611673
Conditions
Olfactory Disorder
Interventions
Smell Test
Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Migraine Disorders, Photophobia
Interventions
Investigational Coating
Device
Lead sponsor
University of Utah
Other
Eligibility
7 Years to 18 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Hearing Loss, Sensorineural
Interventions
Standard Electrical Categorical Loudness Scaling task (Standard-ELS), Fast Electrical Categorical Loudness Scaling task (Fast-ELS)
Device
Lead sponsor
Cochlear
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Lone Tree, Colorado
Conditions
Tinnitus
Interventions
Tele-PTM, Wait List Control
Procedure
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Portland, Oregon
Not listed Not applicable Interventional Accepts healthy volunteers

Treating Amblyopia With CureSight

NCT06165705
Conditions
Amblyopia
Interventions
CureSight
Device
Lead sponsor
Alaska Blind Child Discovery
Other
Eligibility
2 Years to 20 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Anchorage, Alaska
Conditions
Myopia, Amblyopia, Hyperopia, Refractive Errors
Interventions
Fitz Frames 3-D Printed Glasses
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
5 Years to 17 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts