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GlaucomaNCT01319617

SENSIMED Triggerfish Safety and Tolerability

A study testing SENSIMED Triggerfish in people with Glaucoma, run by Sensimed AG at 1 site in United States.

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

The purpose of this investigation is to study the safety and tolerability of SENSIMED Triggerfish, a soft contact lens-based device intended to continuously record relative changes in intraocular pressure (IOP). The investigation enrols glaucoma patients and glaucoma suspects. Read more about this study

Who is it for?
Ages 18 to 80 years
Conditions the study is for
Glaucoma
What is being tested?
SENSIMED Triggerfish
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
41 participants
Where
1 siteUnited States
Study dates
Jan 2011to Nov 2011
Phase
Interventional
Are there results?
Yes, posted in the registrySummary in the doctors' view

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

  • Subject is able to comply with the study procedures
  • Subject is 18-80 years old
  • Glaucoma patient, with glaucomatous optic neuropathy based on clinical assessment of stereoscopic optic disc photographs and/or repeatable abnormal standard automated perimetry (SAP) visual fields at baseline, defined as a pattern standard deviation with P<0.05 or a glaucoma Hemifield test "outside normal limits
  • Glaucoma suspect, with suspicious optic disc appearance (as determined by subjective assessment on the baseline visit) or elevated IOP (>21 mmHg) but normal and reliable SAP visual fields at baseline
  • Subject has consented to be in the trial and signed informed consent is available before any study related procedures are carried out
  • Visual acuity of 20/200 or better in the study eye
  • Ability of subject to understand the character and individual consequences of the study
  • For women with childbearing potential, adequate contraception

Who cannot join

  • Subjects with contraindications for wearing contact lenses
  • Severe dry eye syndrome
  • Keratoconus or other corneal abnormality
  • Conjunctival or intraocular inflammation
  • Eye surgery prior to and throughout the study, except prior uncomplicated cataract surgery a minimum of 3 months prior to the investigation
  • Full frame metal glasses during SENSIMED Triggerfish® recording
Show all 9Show fewer
  • Known hypersensitivity to silicone, plaster or ocular anesthesia
  • Pregnancy and lactation
  • Simultaneous participation in other clinical studies

Trial locations and contacts

1 site in 1 country.

United States1 site
  • University of California San Diego

    San Diego, California, 92093-0946

Other trials in United States

About this study

Official title: Evaluation of SENSIMED Triggerfish Safety and Tolerability in Glaucoma Patients and Glaucoma Suspects

The purpose of this investigation is to study the safety and tolerability of SENSIMED Triggerfish, a soft contact lens-based device intended to continuously record relative changes in intraocular pressure (IOP). The investigation enrols glaucoma patients and glaucoma suspects. All subjects receive two 24-hour recording sessions with the device in an ambulatory setting and at weekly interval. The level of discomfort in the study eye after 24 hours and side effects are the main endpoints of the investigation.

Conditions
Glaucoma
Being tested
SENSIMED Triggerfish
Medical subject headings
Glaucoma

What participants receive

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

  • SENSIMED TriggerfishDevice

    Soft contact lens-based device intended for continuous recording of relative changes in IOP

Study groups in NCT01319617
Study groupRoleWhat they receive
SENSIMED TriggerfishExperimentalNot described
Receives: Device: SENSIMED Triggerfish

What is being measured

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

  1. Ocular Discomfort

    Ocular discomfort in the study eye is reported by patients on a 100-mm visual analog scale (left end 0 mm, no discomfort; right end 100 mm, very severe discomfort) as the distance from the left end to the patient's mark after wearing the device for 24 hours at two occasions separated by one week. Values for both sessions were averaged.

    Measured: After 24 hours of device wear

Timeline

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

  1. First posted21 Mar 2011 (estimated)
  2. Study startJan 2011
  3. Primary completionNov 2011
  4. Study completionNov 2011

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
Diagnosis
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
41 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01319617
Sponsor's protocol ID
10/05
Status last verified
Sep 2013
First submitted
18 Mar 2011
Last updated
9 Sep 2013
Data monitoring committee
No

Publications

  • Mansouri K, Medeiros FA, Tafreshi A, Weinreb RN. Continuous 24-hour monitoring of intraocular pressure patterns with a contact lens sensor: safety, tolerability, and reproducibility in patients with glaucoma. Arch Ophthalmol. 2012 Dec;130(12):1534-9. doi: 10.1001/jamaophthalmol.2013.1350.

    PubMed 23229696
  • Mansouri K, Liu JH, Weinreb RN, Tafreshi A, Medeiros FA. Analysis of continuous 24-hour intraocular pressure patterns in glaucoma. Invest Ophthalmol Vis Sci. 2012 Dec 13;53(13):8050-6. doi: 10.1167/iovs.12-10569.

    PubMed 23139273
  • Mansouri K, Medeiros FA, Tafreshi A, Weinreb RN. Continuous 24-hour monitoring of intraocular pressure patterns with a contact lens sensor: safety, tolerability, and reproducibility in patients with glaucoma. Arch Ophthalmol. 2012 Dec;130(12):1534-9. doi: 10.1001/archophthalmol.2012.2280.

    PubMed 22892888

Questions about this trial

What is this clinical trial studying?

A study testing SENSIMED Triggerfish in people with Glaucoma, run by Sensimed AG at 1 site in United States.

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 8 inclusion and 9 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 9 Sep 2013. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. 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?

Yes. Results are posted in the registry (first posted 9 Sep 2013). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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?

Ocular Discomfort (time frame: After 24 hours of device wear). 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 NCT01319617, which also lists 3 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 9 Sep 2013.

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