NCT04725760

Brief Summary

The purpose of the study is to evaluate the effectiveness and safety of the BrainPort® Vision Pro, an electronic oral assistive device, in the performance of daily tasks by French persons who have residual vision limited to light perception or less in both eyes.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
125

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Oct 2020

Typical duration for not_applicable

Geographic Reach
1 country

7 active sites

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 1, 2020

Completed
4 months until next milestone

First Submitted

Initial submission to the registry

January 15, 2021

Completed
12 days until next milestone

First Posted

Study publicly available on registry

January 27, 2021

Completed
1.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 30, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 30, 2022

Completed
Last Updated

November 10, 2021

Status Verified

January 1, 2021

Enrollment Period

2 years

First QC Date

January 15, 2021

Last Update Submit

November 9, 2021

Conditions

Keywords

blindnessbrainportbrainport vision proassistive deviceassistive technologyvisual impairment

Outcome Measures

Primary Outcomes (4)

  • Visual Function

    Ultra Low Vision - Visual Function Questionnaire - 50 (ULV-VFQ-50), Aa validated self-assessment scale to measure functional vision in people with ultra low vision. 50 items on a Likert scale, ranging from 1-4, higher scores indicated more difficult (lower visual ability)

    Baseline

  • Visual Function

    Ultra Low Vision - Visual Function Questionnaire - 50 (ULV-VFQ-50), Aa validated self-assessment scale to measure functional vision in people with ultra low vision 50 items on a Likert scale, ranging from 1-4, higher scores indicated more difficult (lower visual ability)

    3 months

  • Visual Function

    Ultra Low Vision - Visual Function Questionnaire - 50 (ULV-VFQ-50), Aa validated self-assessment scale to measure functional vision in people with ultra low vision 50 items on a Likert scale, ranging from 1-4, higher scores indicated more difficult (lower visual ability)

    6 months

  • Visual Function

    Ultra Low Vision - Visual Function Questionnaire - 50 (ULV-VFQ-50), Aa validated self-assessment scale to measure functional vision in people with ultra low vision 50 items on a Likert scale, ranging from 1-4, higher scores indicated more difficult (lower visual ability)

    12 months

Secondary Outcomes (17)

  • Object recognition

    Baseline

  • Character identification

    Baseline

  • Orientation and mobility tasks

    Baseline

  • Object recognition

    3 months

  • Character identification

    3 months

  • +12 more secondary outcomes

Study Arms (1)

Single Group Assisgnment

EXPERIMENTAL
Device: BrainPort Vision Pro

Interventions

Ten hours of training over 3 to 5 days, followed by autonomous use of the device. It will be recommended that the subject use the BrainPort® Vision Pro device for at least 5 hours per month for a period of 12 months.

Single Group Assisgnment

Eligibility Criteria

Age8 Years+
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • years of age or older
  • Diagnosis of profound blindness with residual vision limited to a perception of light or lower in both eyes.
  • Minimum post 12 months diagnosis of blindness
  • Previously completed conventional rehabilitation such as orientation and mobility training with a cane or guide dog.
  • Ability to be read and to understand the documentation and procedures of the study.
  • Ability to provide feedback on the use of the BrainPort Vision Pro device.
  • Ability to use basic computer and/or other technologies.
  • Willing and able to answer all questionnaires, carry out telephone follow-ups, undergo device training and carry out all study procedures, after having passed the orientation phase with the device.
  • Participant or his legal representative willing and able to sign informed consent.

You may not qualify if:

  • Ongoing oral disorders determined on the basis of the participant's medical history and/or by an examination of the oral cavity by a dental specialist.
  • History of tongue damage resulting in sensitivity problems or impaired language.
  • Visible open sores, herpes, abrasions, blisters or rashes on the tongue or numbness of the tongue.
  • Piercings on the tongue.
  • Planned or recent oral surgery (in the last 3 months) and/or dental care (excluding oral check-ups or routine scaling).
  • Known neuropathy of the language or sensory system.
  • History of seizures or epilepsy.
  • Pregnant woman, willing to be pregnant or lactating. Women of childbearing age should consent to the use of appropriate contraception to avoid pregnancy during the study period.
  • Implanted medical devices (e.g., pacemaker, deep brain stimulation device, cochlear implant).
  • Any hearing impairment that prevents you from hearing the device's announcements.
  • Cognitive impairment detected on the basis of medical history and/or during a cognitive impairment telephone interview.
  • Expected or ongoing participation in another clinical trial or any research that may interfere with this study.
  • Known allergy to nickel, gold or a stainless-steel component.
  • Any health condition that may interfere with the study's evaluations.
  • A person unable to assemble the device and/or interpret the device's signals or who refuses to continue to participate in the study after passing the initial training phase with the device.
  • +2 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (7)

University Hospital La Timone

Marseille, France

NOT YET RECRUITING

CHU de Montpellier

Montpellier, France

NOT YET RECRUITING

University Hospital of Nantes

Nantes, France

NOT YET RECRUITING

Institut Aramav

Nîmes, France

RECRUITING

Fondation hospitalière Sainte-Marie

Paris, France

RECRUITING

Necker-Enfants Malades Hospital

Paris, France

RECRUITING

Hôpitaux Universitaires de Strasbourg, Reference Center for Rare Disorders in Ophthalmic Genetics

Strasbourg, France

RECRUITING

Related Links

MeSH Terms

Conditions

BlindnessVision Disorders

Condition Hierarchy (Ancestors)

Sensation DisordersNeurologic ManifestationsNervous System DiseasesEye DiseasesSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Patricia Grant, Ph.D.

    Wicab, Inc.

    STUDY DIRECTOR
  • Isabelle Audo, Ph.D.

    National Hospital for Ophthalmology of the Fifteen-Vingts

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Patricia Grant, Ph.D.

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
SUPPORTIVE CARE
Intervention Model
SINGLE GROUP
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 15, 2021

First Posted

January 27, 2021

Study Start

October 1, 2020

Primary Completion

September 30, 2022

Study Completion

September 30, 2022

Last Updated

November 10, 2021

Record last verified: 2021-01

Data Sharing

IPD Sharing
Will not share

Locations