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ClinicalTrials.gov public records Last synced Sep 3, 2026, 4:06 AM EDT

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Showing 1–21 of 21 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Visual prosthesis Clear all
Completed Not applicable Interventional Results available

Computer-Assisted Rehabilitation Environment Training After Argus Retinal Prosthesis

NCT03444961
View directory record Official record
Conditions
Retinitis Pigmentosa
Interventions
CAREN system training
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
25 Years to 100 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 13, 2021 · Synced Sep 3, 2026, 4:06 AM EDT
Completed Phase 3 Interventional Results available

Sling vs Botox for Mixed Incontinence

NCT04171531
View directory record Official record
Conditions
Urinary Incontinence, Stress, Urinary Incontinence, Urge
Interventions
Botox® injection, Mid-urethral sling
Drug · Device
Lead sponsor
NICHD Pelvic Floor Disorders Network
Network
Eligibility
21 Years and older · Female only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
8
States / cities
Birmingham, Alabama • La Jolla, California • San Diego, California + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2025 · Synced Sep 3, 2026, 4:06 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of Ultrasonic Neuroma Size With Residual Limb Pain in Above-Knee Amputees

NCT00686764
View directory record Official record
Conditions
Neuroma Amputation
Interventions
Observational
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 99 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 13, 2015 · Synced Sep 3, 2026, 4:06 AM EDT
Completed Not applicable Interventional Results available

Argus® II Retinal Stimulation System Feasibility Protocol

NCT00407602
View directory record Official record
Conditions
Retinitis Pigmentosa
Interventions
Implant of Argus II Retinal Prosthesis
Device
Lead sponsor
Second Sight Medical Products
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2019
U.S. locations
7
States / cities
Los Angeles, California • San Francisco, California • Baltimore, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2022 · Synced Sep 3, 2026, 4:06 AM EDT
Terminated Phase 4 Interventional

Visual and Refractive Outcomes After Implantation of Aspheric IOLs With Different Dioptric Increments and Manufacturing

NCT01249144
View directory record Official record
Conditions
Cataract
Interventions
Intraocular Lens (IOL)
Device
Lead sponsor
Lenstec Incorporated
Industry
Eligibility
21 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Tarpon Springs, Florida
Source: ClinicalTrials.gov public record
Updated Oct 17, 2018 · Synced Sep 3, 2026, 4:06 AM EDT
Withdrawn Not applicable Interventional

RETINA IMPLANT Alpha AMS in Blind Patients With Retinitis Pigmentosa

NCT03629899
View directory record Official record
Conditions
Retinitis Pigmentosa
Interventions
RETINA IMPLANT Alpha AMS
Device
Lead sponsor
Wills Eye
Other
Eligibility
50 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 9, 2019 · Synced Sep 3, 2026, 4:06 AM EDT
Active, not recruiting Not applicable Interventional

The Synergy Disc for the Treatment of 2 Level Cervical Degenerative Disc Disease Compared With Cervical Fusion Surgery

NCT05740176
View directory record Official record
Conditions
Cervical Degenerative Disc Disease
Interventions
Anterior Cervical Discectomy and Fusion
Device
Lead sponsor
Synergy Spine Solutions
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
23
States / cities
Scottsdale, Arizona • Beverly Hills, California • Los Angeles, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 3, 2026, 4:06 AM EDT
Recruiting Not applicable Interventional

A Phase I Feasibility Study of an Intracortical Visual Prosthesis (ICVP) for People With Blindness

NCT04634383
View directory record Official record
Conditions
Ocular Injury, Optic Nerve Diseases, Photoreceptor Degeneration, Blindness,Acquired
Interventions
WFMA - wireless floating microelectrode array
Device
Lead sponsor
Illinois Institute of Technology
Other
Eligibility
19 Years to 70 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 3, 2026, 4:06 AM EDT
Terminated No phase listed Observational

New Enrollment Post-Approval Study of the Argus® II Retinal Prosthesis System

NCT01860092
View directory record Official record
Conditions
Retinitis Pigmentosa
Interventions
Not listed
Lead sponsor
Second Sight Medical Products
Industry
Eligibility
25 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
17
States / cities
Los Angeles, California • Denver, Colorado • Miami, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Dec 22, 2021 · Synced Sep 3, 2026, 4:06 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Analgesic Efficacy of Interscalene Nerve Block Versus Local Infiltration Analgesia Following Total Shoulder Arthroplasty

NCT02876055
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Single shot interscalene nerve block, Continuous interscalene nerve block, Local Infiltration Analgesia (LIA)
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 15, 2019 · Synced Sep 3, 2026, 4:06 AM EDT
Completed Not applicable Interventional

PRIMA US-Feasibility Study in Atrophic Dry AMD

NCT03392324
View directory record Official record
Conditions
Dry Age-related Macular Degeneration
Interventions
PRIMA
Device
Lead sponsor
Science Corporation
Industry
Eligibility
60 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
3
States / cities
Palo Alto, California • Miami, Florida • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 3, 2026, 4:06 AM EDT
Completed Not applicable Interventional Results available

EUS-GE vs ES for Palliation of Gastric Outlet Obstruction

NCT03259763
View directory record Official record
Conditions
Gastric Outlet Obstruction
Interventions
Lumen-apposing metal stent, Self-expandable metal stent
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 80 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
3
States / cities
New Haven, Connecticut • Baltimore, Maryland • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 3, 2026, 4:06 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

AI-Powered Artificial Vision for Visual Prostheses

NCT06117332
View directory record Official record
Conditions
Blindness, Acquired
Interventions
Visual prosthesis
Device
Lead sponsor
University of California, Santa Barbara
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Santa Barbara, California
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 3, 2026, 4:06 AM EDT
Completed Not applicable Interventional

A Long-Term Monitoring Study of the IMT-002 Patients

NCT00976235
View directory record Official record
Conditions
Macular Degeneration
Interventions
IMT - Implantable Miniature Telescope
Device
Lead sponsor
VisionCare, Inc.
Industry
Eligibility
55 Years and older
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
28
States / cities
Tucson, Arizona • Irvine, California • Los Altos, California + 24 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced Sep 3, 2026, 4:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Object Finder for a Retinal Prosthesis

NCT04319809
View directory record Official record
Conditions
Retinitis Pigmentosa
Interventions
Object recognition subsystem
Device
Lead sponsor
Minnesota HealthSolutions
Industry
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 14, 2024 · Synced Sep 3, 2026, 4:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reduction of Shear Forces Using Semi-flexible Sockets on Transtibial Amputees

NCT03390153
View directory record Official record
Conditions
Amputation
Interventions
semi flexible socket, rigid fiber socket
Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Sep 24, 2018 · Synced Sep 3, 2026, 4:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Perceptual Experience of Argus II Users

NCT05285618
View directory record Official record
Conditions
Retinitis Pigmentosa
Interventions
Argus II
Device
Lead sponsor
University of California, Santa Barbara
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
3
States / cities
Santa Barbara, California • Baltimore, Maryland • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 31, 2024 · Synced Sep 3, 2026, 4:06 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Does Walking Performance Improve When Veterans With Leg Amputations Are Given Visual Feedback?

NCT03974945
View directory record Official record
Conditions
Amputation
Interventions
Passive-elastic prosthetic foot, Powered ankle-foot prosthesis
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 67 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 14, 2025 · Synced Sep 3, 2026, 4:06 AM EDT
Active, not recruiting Not applicable Interventional

Early Feasibility Study of the Orion Visual Cortical Prosthesis System

NCT03344848
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 26, 2025 · Synced Sep 3, 2026, 4:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Environmental Localization Mapping and Guidance for Visual Prosthesis Users

NCT04359108
View directory record Official record
Conditions
Retinitis Pigmentosa, Visual Impairment, Visual Prosthesis
Interventions
Navigation system mode: Argus Vision, Navigation system mode: Depth Vision, Navigation system mode: Depth Vision with Haptic / Audio, Navigation system mode: Haptic / Audio, Navigation system mode: High Field-of-View Depth Vision, Distance test vision mode: Low Resolution / Low Field-of-View, Distance test vision mode: Low Resolution / High Field-of-View, Distance test vision mode: High Resolution / Low Field-of-View, Distance test vision mode: High Resolution / High Field-of-View
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
2
States / cities
Baltimore, Maryland • Laurel, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 9, 2025 · Synced Sep 3, 2026, 4:06 AM EDT
Completed Not applicable Interventional

Argus II/ORCAM Device Study

NCT03248388
View directory record Official record
Conditions
Retinitis Pigmentosa
Interventions
Argus II Eyeglasses, ORCAM
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 12, 2022 · Synced Sep 3, 2026, 4:06 AM EDT