Experimental and Clinical Studies of Retinal Stimulation

Part of paid clinical trials in Ann Arbor, Michigan.

Sponsor
University of Michigan
Study ID
NCT03635645
Status
Recruiting
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Conditions

  • Retinitis Pigmentosa

Eligibility Criteria

Sex
ALL
Age
25 Years - 89 Years
Healthy Volunteers
Not accepted

Interventions

  • New visual processing unit (VPU) with asymmetric waveforms — DEVICE
    A VPU will apply asymmetric and symmetric stimulation pulses.
  • New VPU with bipolar stimulation — DEVICE
    A VPU will apply bipolar stimulus pulses.

Study Details

The study will evaluate new methods of retinal stimulation and training with the goal of improving the visual ability of retinal prosthesis participants.

Key Dates

Start date
Oct 30, 2017
Status verified
Dec 2022
Primary completion
Oct 30, 2023
Completion
Oct 30, 2023

Study Design

Enrollment
20 participants (estimated)
Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
OTHER

Arms

  • Experimental: Retinal stimulation
    Alternative stimulus patterns will be tested (vs. baseline). The intervention is the alternative stimulus pattern. The intervention will be tested only in the clinic vs. baseline. The subject will go home with baseline settings. The two alternative stimulus patterns to be tested are asymmetric waveforms and bipolar stimulus.

Primary Outcome Measure

Percent change in stimulus thresholds [ Time Frame: Baseline, 8 hours ]

Central Contacts

Locations (1)

FacilityCityStateZIPSite coordinators
University of MichiganAnn ArborMichigan48105
James Weiland
[email protected]
661-713-4603

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By research site
University of Michigan· Ann Arbor, MI

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