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Trial record 1 of 1 for:    NCT01319617
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SENSIMED Triggerfish Safety and Tolerability

This study has been completed.
Information provided by (Responsible Party):
Sensimed AG Identifier:
First received: March 18, 2011
Last updated: September 4, 2013
Last verified: September 2013
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.

Condition Intervention
Device: SENSIMED Triggerfish

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Diagnostic
Official Title: Evaluation of SENSIMED Triggerfish Safety and Tolerability in Glaucoma Patients and Glaucoma Suspects

Resource links provided by NLM:

Further study details as provided by Sensimed AG:

Primary Outcome Measures:
  • Ocular Discomfort [ Time Frame: After 24 hours of device wear ]
    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.

Enrollment: 41
Study Start Date: January 2011
Study Completion Date: November 2011
Primary Completion Date: November 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: SENSIMED Triggerfish Device: SENSIMED Triggerfish
Soft contact lens-based device intended for continuous recording of relative changes in IOP


Ages Eligible for Study:   18 Years to 80 Years   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • 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

Exclusion Criteria:

  • 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
  • Known hypersensitivity to silicone, plaster or ocular anesthesia
  • Pregnancy and lactation
  • Simultaneous participation in other clinical studies
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Please refer to this study by its identifier: NCT01319617

United States, California
University of California San Diego
San Diego, California, United States, 92093-0946
Sponsors and Collaborators
Sensimed AG
Principal Investigator: Felipe Medeiros, MD, PhD University of California, San Diego