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Retinitis PigmentosaNCT01603576

Pilot Study of a Suprachoroidal Retinal Prosthesis

A study testing Prototype wide view suprachoroidal retinal prosthesis in people with Retinitis Pigmentosa and Choroideremia, run by Center for Eye Research Australia at 2 sites in Australia.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This study will be an initial proof of concept study, to evaluate safety and efficacy of a prototype suprachoroidal retinal implant Read more about this study

Who is it for?
Ages 18 to 80 years
Conditions the study is for
Retinitis Pigmentosa, Choroideremia
What is being tested?
Prototype wide view suprachoroidal retinal prosthesis
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
3 participants
Where
2 sitesAustralia
Study dates
May 2012to Aug 2014
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 80 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Aged 18 years or older
  • Either gender
  • A confirmed history of outer retinal degenerative disease such as retinitis pigmentosa or choroideremia
  • Remaining visual acuity of bare light perception or less in both eyes
  • Functional inner retina (ganglion cells and optic nerve), as shown by the ability to perceive light and/or a measurable corneal electrically evoked visual response
  • A history of at least 10 years of useful form vision in the worse seeing eye
  • Must be willing and able to comply with the testing and follow-up protocol demands (preferably residing within 1.5 hours of the investigational site)

Who cannot join

  • Optic nerve disease (history of glaucoma of more than 1 month, or history of any other optic neuropathy)
  • Diseases of the inner retina including, but not limited to, central retinal artery or vein occlusion (CRAO, CRVO), end stage diabetic retinopathy, retinal detachment, traumatic retinal damage, infectious retinal disease, inflammatory retinal disease.
  • Inability to visualise the retina due to corneal or other ocular media opacities (corneal degenerations, dense cataracts, trauma, lid malpositions)
  • Any ocular condition that predisposes the subject to rubbing their eyes
  • Cognitive deficiencies, including dementia or progressive neurological disease
  • Psychiatric disorders, including depression, as diagnosed by a qualified psychologist
Show all 13Show fewer
  • Deafness or significant hearing loss
  • Inability to speak or understand English
  • Pregnancy
  • Presence of a cochlear implant
  • Subject enrolled in another investigational drug or device trial for the treatment of their ocular condition
  • Poor general health, which would exclude them from obtaining a general anaesthetic
  • Unrealistic expectations of the bionic eye device

Trial locations and contacts

2 sites in 1 country.

Australia2 sites
  • Nicta / Data61

    Canberra, Australian Capital Territory, 2601

  • Centre for Eye Research Australia

    East Melbourne, Victoria, 3002

Other trials in Australia

About this study

Official title: Safety and Feasibility Study of a Prototype Suprachoroidal Retinal Prosthesis for Vision Restoration

This study will be an initial proof of concept study, to evaluate safety and efficacy of a prototype suprachoroidal retinal implant

Being tested
Prototype wide view suprachoroidal retinal prosthesis
Medical subject headings
Retinitis Pigmentosa, Choroideremia

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Prototype wide view suprachoroidal retinal prosthesisDevice

    Manufacturer = Bionics Institute, Australia

Study groups in NCT01603576
Study groupRoleWhat they receive
Suprachoroidal retinal prosthesisExperimentalNot described
Receives: Device: Prototype wide view suprachoroidal retinal prosthesis

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Safety

    Number of device-related serious adverse events

    Measured: 18 months

Secondary outcomes (1)
  1. Ability to perceive visual percepts during device stimulation

    Number of participants able to perceive phosphenes when the device is stimulated

    Measured: 18 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted22 May 2012 (estimated)
  2. Study startMay 2012
  3. Primary completionAug 2014
  4. Study completionAug 2014

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
3 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01603576
Sponsor's protocol ID
BVA_0001
Other IDs
090/2012
Status last verified
Nov 2016
First submitted
18 May 2012
Last updated
16 Nov 2016
Results posted
No

Publications

  • Shivdasani MN, Sinclair NC, Gillespie LN, Petoe MA, Titchener SA, Fallon JB, Perera T, Pardinas-Diaz D, Barnes NM, Blamey PJ; Bionic Vision Australia Consortium. Identification of Characters and Localization of Images Using Direct Multiple-Electrode Stimulation With a Suprachoroidal Retinal Prosthesis. Invest Ophthalmol Vis Sci. 2017 Aug 1;58(10):3962-3974. doi: 10.1167/iovs.16-21311.

    PubMed 28793152
  • Petoe MA, McCarthy CD, Shivdasani MN, Sinclair NC, Scott AF, Ayton LN, Barnes NM, Guymer RH, Allen PJ, Blamey PJ; Bionic Vision Australia Consortium. Determining the Contribution of Retinotopic Discrimination to Localization Performance With a Suprachoroidal Retinal Prosthesis. Invest Ophthalmol Vis Sci. 2017 Jun 1;58(7):3231-3239. doi: 10.1167/iovs.16-21041.

    PubMed 28660276
  • Slater KD, Sinclair NC, Nelson TS, Blamey PJ, McDermott HJ; Bionic Vision Australia Consortium. neuroBi: A Highly Configurable Neurostimulator for a Retinal Prosthesis and Other Applications. IEEE J Transl Eng Health Med. 2015 Jul 13;3:3800111. doi: 10.1109/JTEHM.2015.2455507. eCollection 2015.

    PubMed 27170910
  • Ayton LN, Blamey PJ, Guymer RH, Luu CD, Nayagam DA, Sinclair NC, Shivdasani MN, Yeoh J, McCombe MF, Briggs RJ, Opie NL, Villalobos J, Dimitrov PN, Varsamidis M, Petoe MA, McCarthy CD, Walker JG, Barnes N, Burkitt AN, Williams CE, Shepherd RK, Allen PJ; Bionic Vision Australia Research Consortium. First-in-human trial of a novel suprachoroidal retinal prosthesis. PLoS One. 2014 Dec 18;9(12):e115239. doi: 10.1371/journal.pone.0115239. eCollection 2014.

    PubMed 25521292
  • Shivdasani MN, Sinclair NC, Dimitrov PN, Varsamidis M, Ayton LN, Luu CD, Perera T, McDermott HJ, Blamey PJ; Bionic Vision Australia Consortium. Factors affecting perceptual thresholds in a suprachoroidal retinal prosthesis. Invest Ophthalmol Vis Sci. 2014 Sep 9;55(10):6467-81. doi: 10.1167/iovs.14-14396.

    PubMed 25205858

Questions about this trial

What is this clinical trial studying?

A study testing Prototype wide view suprachoroidal retinal prosthesis in people with Retinitis Pigmentosa and Choroideremia, run by Center for Eye Research Australia at 2 sites in Australia.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 7 inclusion and 13 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 16 Nov 2016. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in Australia. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Safety (time frame: 18 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01603576, which also lists 5 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 16 Nov 2016.

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