- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04725760
Evaluation of the Efficacy of the BrainPort Vision Pro on the Performance of Daily Activities in the Profoundly Blind French Population
November 9, 2021 updated by: Wicab
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.
Study Overview
Study Type
Interventional
Enrollment (Anticipated)
125
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Patricia Grant, Ph.D.
- Phone Number: 312-447-3234
- Email: pgrant@wicab.com
Study Locations
-
-
-
Marseille, France
- Not yet recruiting
- University hospital La Timone
-
Contact:
- Danièle Denis, M.D.
- Phone Number: 04 91 38 54 68
- Email: daniele.denis@ap-hm.fr
-
Principal Investigator:
- Danièle Denis, M.D.
-
Montpellier, France
- Not yet recruiting
- CHU de Montpellier
-
Contact:
- Isabelle Meunier, M.D.
- Phone Number: 04 67 33 02 78
- Email: msg@chu-montpellier.fr
-
Principal Investigator:
- Isabelle Meunier, M.D.
-
Nantes, France
- Not yet recruiting
- University Hospital of Nantes
-
Contact:
- Michel Weber, M.D.
- Phone Number: 02 40 08 36 56
- Email: miweber@chu-nantes.fr
-
Principal Investigator:
- Michel Weber, M.D.
-
Nimes, France
- Recruiting
- Institut Aramav
-
Contact:
- Luc Jeanjean, M.D.
- Phone Number: 04 66 23 48 55
- Email: Luc.Jeanjean@chu-nimes.fr
-
Principal Investigator:
- Luc Jeanjean, M.D.
-
Paris, France
- Recruiting
- Fondation Hospitalière Sainte-Marie
-
Contact:
- Pierre, M.D.
- Phone Number: 06 83 85 57 63
-
Principal Investigator:
- Pierre Safar, M.D.
-
Paris, France
- Recruiting
- Necker-Enfants Malades Hospital
-
Contact:
- Dominique Bremond-Gignac, M.D.
- Phone Number: 01 44 49 54 43
- Email: dominique.bremond@aphp.fr
-
Principal Investigator:
- Dominique Bremond-Gignac, M.D.
-
Strasbourg, France
- Recruiting
- Hôpitaux Universitaires de Strasbourg, Reference Center for Rare Disorders in Ophthalmic Genetics
-
Contact:
- Hélène Dollfus, M.D., Ph.D.
- Phone Number: 03 88 12 81 20
- Email: helene.dollfus@chru-strasbourg.fr
-
Principal Investigator:
- Hélène Dollfus, M.D., Ph.D.
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
8 years and older (Child, Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- 8 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.
Exclusion Criteria:
- 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.
- Person deemed unfit to participate in the study by the lead investigator for any other previously cited reason.
- Adults who do not have the ability to provide valid informed consent (under legal protection)
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Supportive Care
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Single Group Assisgnment
|
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. |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Visual Function
Time Frame: Baseline
|
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
Time Frame: 3 months
|
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
Time Frame: 6 months
|
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
Time Frame: 12 months
|
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 Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Object recognition
Time Frame: Baseline
|
Subjects will be asked to reach and grasp one of four objects requested by the examiner, without touching any other object.
A total of 10 tests will be conducted.
If the test is not answered after two minutes, the test will be considered incorrect.
The number of correctly identified objects will be recorded.
|
Baseline
|
Character identification
Time Frame: Baseline
|
High contrast letters and numbers will be presented.
Subjects will be required to orally identify each letter or number presented.
The total number of correct answers will be recorded.
Ten individual letters/numbers will be presented.
|
Baseline
|
Orientation and mobility tasks
Time Frame: Baseline
|
This task will measure participants' ability to navigate a room and identify distinct objects and features in their environment, such as windows and doorways.
|
Baseline
|
Object recognition
Time Frame: 3 months
|
Subjects will be asked to reach and grasp one of four objects requested by the examiner, without touching any other object.
A total of 10 tests will be conducted.
If the test is not answered after two minutes, the test will be considered incorrect.
The number of correctly identified objects will be recorded.
|
3 months
|
Character identification
Time Frame: 3 months
|
High contrast letters and numbers will be presented.
Subjects will be required to orally identify each letter or number presented.
The total number of correct answers will be recorded.
Ten individual letters/numbers will be presented.
|
3 months
|
Orientation and mobility tasks
Time Frame: 3 months
|
This task will measure participants' ability to navigate a room and identify distinct objects and features in their environment, such as windows and doorways.
|
3 months
|
Object recognition
Time Frame: 6 months
|
Subjects will be asked to reach and grasp one of four objects requested by the examiner, without touching any other object.
A total of 10 tests will be conducted.
If the test is not answered after two minutes, the test will be considered incorrect.
The number of correctly identified objects will be recorded.
|
6 months
|
Character identification
Time Frame: 6 months
|
High contrast letters and numbers will be presented.
Subjects will be required to orally identify each letter or number presented.
The total number of correct answers will be recorded.
Ten individual letters/numbers will be presented.
|
6 months
|
Orientation and mobility tasks
Time Frame: 6 months
|
This task will measure participants' ability to navigate a room and identify distinct objects and features in their environment, such as windows and doorways.
|
6 months
|
Object recognition
Time Frame: 12 months
|
Subjects will be asked to reach and grasp one of four objects requested by the examiner, without touching any other object.
A total of 10 tests will be conducted.
If the test is not answered after two minutes, the test will be considered incorrect.
The number of correctly identified objects will be recorded.
|
12 months
|
Character identification
Time Frame: 12 months
|
High contrast letters and numbers will be presented.
Subjects will be required to orally identify each letter or number presented.
The total number of correct answers will be recorded.
Ten individual letters/numbers will be presented.
|
12 months
|
Orientation and mobility tasks
Time Frame: 12 months
|
This task will measure participants' ability to navigate a room and identify distinct objects and features in their environment, such as windows and doorways.
|
12 months
|
Impact of Vision Impairment-Very Low Vision Quality of Life Scale
Time Frame: Baseline
|
A vision-related quality of life scale for participants with very low vision 28 items on a Likert scale, ranging from 1-3 with higher scores indicating better vision-related quality of life.
|
Baseline
|
Impact of Vision Impairment-Very Low Vision Quality of Life Scale,
Time Frame: 3 months
|
A vision-related quality of life scale for participants with very low vision 28 items on a Likert scale, ranging from 1-3 with higher scores indicating better vision-related quality of life.
|
3 months
|
Impact of Vision Impairment-Very Low Vision Quality of Life Scale,
Time Frame: 6 months
|
A vision-related quality of life scale for participants with very low vision 28 items on a Likert scale, ranging from 1-3 with higher scores indicating better vision-related quality of life.
|
6 months
|
Impact of Vision Impairment-Very Low Vision Quality of Life Scale,
Time Frame: 12 months
|
A vision-related quality of life scale for participants with very low vision 28 items on a Likert scale, ranging from 1-3 with higher scores indicating better vision-related quality of life.
|
12 months
|
Adverse events related to device or study procedures
Time Frame: 12 months
|
Safety
|
12 months
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Study Director: Patricia Grant, Ph.D., Wicab, Inc.
- Principal Investigator: Isabelle Audo, Ph.D., National Hospital for Ophthalmology of the Fifteen-Vingts
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
Helpful Links
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
October 1, 2020
Primary Completion (Anticipated)
September 30, 2022
Study Completion (Anticipated)
September 30, 2022
Study Registration Dates
First Submitted
January 15, 2021
First Submitted That Met QC Criteria
January 22, 2021
First Posted (Actual)
January 27, 2021
Study Record Updates
Last Update Posted (Actual)
November 10, 2021
Last Update Submitted That Met QC Criteria
November 9, 2021
Last Verified
January 1, 2021
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2020-WIFR-8313
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
No
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
Yes
product manufactured in and exported from the U.S.
Yes
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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