Validation of the GATE Software
ValGATE
2 other identifiers
observational
30
1 country
1
Brief Summary
Comparison of the differential luminance sensitivity (DLS) values at each test point
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
November 1, 2010
CompletedFirst Submitted
Initial submission to the registry
December 22, 2010
CompletedFirst Posted
Study publicly available on registry
December 23, 2010
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 1, 2011
CompletedJanuary 26, 2012
January 1, 2012
9 months
December 22, 2010
January 25, 2012
Conditions
Outcome Measures
Primary Outcomes (1)
Validation of visual field data and comparison of the differential luminance sensitivity (DLS) values at each test point by applying two perimetric software versions.
each participant were examined 2 times at two seperate sessions within 14 days.
up to 14 days
Study Arms (3)
Glaucoma
Retinitis pigmentosa (RP)
Anterior Ischemic Optic Neuropathy (AION)
Interventions
automated static perimetry with adapted GATE strategy
Eligibility Criteria
selected from the eye hospital's database
You may qualify if:
- physical, intellectual and linguistic abilities, in order to understand the test requirements
- spherical ametropia max. ± 8 dpt, cylindrical ametropia max. ± 3 dpt
- distant visual acuity \> 10/20
- isocoria, pupil diameter \> 3 mm
You may not qualify if:
- pregnancy, nursing
- diabetic retinopathy
- asthma
- HIV+ or AIDS
- history of epilepsy or significant psychiatric disease
- medications known to effect visual field sensitivity
- acute ocular infections (e.g. keratitis, conjunctivitis, uveitis)
- severe dry eyes
- miotic drugs
- amblyopia
- squint
- nystagmus
- albinism
- keratoconus
- intraocular surgery (except for uncomplicated cataract surgery) performed \< 3 month prior to screening
- +3 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- University Hospital Tuebingenlead
- Haag-Streit AGcollaborator
Study Sites (1)
Centre for Ophthalmology, Institute for Ophthalmic Research
Tübingen, 72076, Germany
Related Publications (1)
Luithardt AF, Meisner C, Monhart M, Krapp E, Mast A, Schiefer U. Validation of a new static perimetric thresholding strategy (GATE). Br J Ophthalmol. 2015 Jan;99(1):11-5. doi: 10.1136/bjophthalmol-2013-304535. Epub 2014 Jul 22.
PMID: 25053761DERIVED
Study Officials
- PRINCIPAL INVESTIGATOR
Ulrich Schiefer, Prof.Dr.med.
University of Tuebingen, Centre for Ophthalmology
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Prof. Dr. med. Ulrich Schiefer
Study Record Dates
First Submitted
December 22, 2010
First Posted
December 23, 2010
Study Start
November 1, 2010
Primary Completion
August 1, 2011
Last Updated
January 26, 2012
Record last verified: 2012-01