- Conditions
- Cataract, Refractive Error, Low Vision
- Interventions
- Visual impairment intervention program
- Procedure
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 2,544 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1999 – 2002
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1009–1032
of 1,358
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Deafness
- Interventions
- Cochlear implant surgery
- Procedure
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 39 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2019
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- Blindness
- Interventions
- Egress Badge
- Device
- Lead sponsor
- US Department of Veterans Affairs
- Federal
- Eligibility
- 18 Years and older
- Enrollment
- 17 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2009
- U.S. locations
- 1
- States / cities
- Decatur, Georgia
- Conditions
- Tourette Syndrome, Sensory Disorders, Hypersensitivity, Tics
- Interventions
- Electroencephalogram (EEG) testing procedure, Autonomic function testing procedure
- Diagnostic Test
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 50 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2027
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Tinnitus
- Interventions
- No intervention
- Other
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 45 Years to 60 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- Conditions
- Covid19, Anosmia, Olfactory Disorder, Covid-19 Pandemic, SARS-CoV-2 Infection, Hyposmia, Ageusia, Hypogeusia
- Interventions
- Theophylline Powder, Placebo Comparator
- Drug
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 51 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- Conditions
- Hearing Loss, Sensorineural, Sensorineural Hearing Loss, Bilateral, Cochlear Implant Recipients, Asymmetric Hearing Loss
- Interventions
- Bimodal Streaming Configuration
- Device
- Lead sponsor
- Med-El Corporation
- Industry
- Eligibility
- Not listed
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Meridian, Idaho
- Conditions
- Carpal Tunnel Syndrome
- Interventions
- Fat Injection, Steroid Injection
- Other · Drug
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2027
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Deafness
- Interventions
- Site selection
- Behavioral
- Lead sponsor
- East Carolina University
- Other
- Eligibility
- 15 Years and older
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2023
- U.S. locations
- 1
- States / cities
- Greenville, North Carolina
- Conditions
- Sensorineural Hearing Loss, Bilateral
- Interventions
- Cochlear Nucleus CI532
- Device
- Lead sponsor
- Cochlear
- Industry
- Eligibility
- 12 Months and older
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2017
- U.S. locations
- 6
- States / cities
- Skokie, Illinois • Iowa City, Iowa • Ann Arbor, Michigan + 3 more
- Conditions
- Hearing Loss
- Interventions
- Phonak Audeo hearing aid, Phonak hearing aid with multiple directionality settings, adjustable via a mobile app
- Device
- Lead sponsor
- Sonova AG
- Industry
- Eligibility
- 18 Years to 90 Years
- Enrollment
- 19 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- Aurora, Illinois
- Conditions
- Visual Field Defect, Stroke, Hemianopia, Quadrantanopia, Cortical Blindness, Brain Tumor, Traumatic Brain Injury, Visual Field Defect, Peripheral
- Interventions
- transcranial random noise stimulation (tRNS), Sham Stimulation, Perceptual learning-based training
- Device · Behavioral
- Lead sponsor
- Georgetown University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2028
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
- Conditions
- Blindness, Acquired
- Interventions
- Orion Visual Cortical Prosthesis System
- Device
- Lead sponsor
- Second Sight Medical Products
- Industry
- Eligibility
- 22 Years to 74 Years
- Enrollment
- 6 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2025
- U.S. locations
- 2
- States / cities
- Los Angeles, California • Houston, Texas
- 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
- Alcohol Use Disorder
- Interventions
- Cannabidiol, Placebo
- Drug
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 180 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2027
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Sensorineural Hearing Loss
- Interventions
- The Hearing Laser, Placebo Laser
- Device
- Lead sponsor
- Erchonia Corporation
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 80 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2008
- U.S. locations
- 1
- States / cities
- Sacramento, California
- Conditions
- Pulsatile Tinnitus
- Interventions
- Internal Jugular Vein Compression Collar
- Device
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Sensorineural Hearing Loss
- Interventions
- LY3056480
- Drug
- Lead sponsor
- Audion Therapeutics BV
- Industry
- Eligibility
- 18 Years to 65 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2025
- U.S. locations
- 3
- States / cities
- Chicago, Illinois • New York, New York • Norfolk, Virginia
- Conditions
- Age - Related Macular Degeneration, Diabetic Retinopathy, Metamorphopsia
- Interventions
- Paxos Checkup Study Mobile Medical Application
- Other
- Lead sponsor
- Digisight Technologies, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 143 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2018
- U.S. locations
- 12
- States / cities
- Phoenix, Arizona • Mountain View, California • Fort Myers, Florida + 9 more
- Conditions
- Diabetic Retinopathy, Macular Degeneration, Glaucoma, Retinitis Pigmentosa, Vision Disorders, Acute Coronary Syndrome, Implantable Defibrillator User, Congestive Heart Failure, Hypertrophic Obstructive Cardiomyopathy, Orthostatic Hypotension, Syncope, Presyncope, Narcolepsy, Dementia, Multiple Sclerosis, Parkinson Disease, Brain Injuries, Spinal Cord Injuries, Stroke, Vertigo, Dizziness, Seizures, Substance Use, Insulin Dependent Diabetes Mellitus, Arthritis, Foot--Abnormalities, Chronic Obstructive Pulmonary Disease, Obstructive Sleep Apnea, End Stage Renal Disease, Sleep Apnea, Insomnia, Restless Legs Syndrome
- Interventions
- Driving Decision Aid, Older Drivers Website
- Behavioral
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 529 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2023
- U.S. locations
- 3
- States / cities
- La Jolla, California • Aurora, Colorado • Indianapolis, Indiana
- Conditions
- Tinnitus
- Interventions
- Tinnitus Masking, Tinnitus Retraining Therapy
- Procedure
- Lead sponsor
- US Department of Veterans Affairs
- Federal
- Eligibility
- 18 Years and older
- Enrollment
- 200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1999 – 2002
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Tinnitus
- Interventions
- Magnesium, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 38 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 1
- States / cities
- Scottsdale, Arizona
- Conditions
- Low Vision, Orientation, Mobility Limitation, Navigation, Spatial, Visual Impairment
- Interventions
- SmartHMD version 1, SmartHMD version 2, SmartHMD version 3, SmartHMD version 4
- Device
- Lead sponsor
- James Weiland
- Other
- Eligibility
- 14 Years to 89 Years
- Enrollment
- 21 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2022
- U.S. locations
- 1
- States / cities
- Ann Arbor, Michigan
- Conditions
- Vision Disorders
- Interventions
- Welch Allyn IExaminer
- Diagnostic Test
- Lead sponsor
- State University of New York at Buffalo
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Buffalo, New York