- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00982046
A Clinical Comparison of Three Contact Lens Care Systems and Their Effect on Contact Lenses
November 15, 2016 updated by: Alcon Research
The purpose of this study was to evaluate the clinical performance of three differing contact lens care solutions when used in conjunction with three contact lenses.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
- Device: Opti-Free RepleniSH multi-purpose disinfecting solution
- Device: ReNu MultiPlus multi-purpose solution
- Device: Clear Care cleaning and disinfecting system
- Device: Senofilcon A contact lens (ACUVUE OASYS)
- Device: Lotrafilcon B contact lens (AIR OPTIX AQUA)
- Device: Comfilcon A contact lens (Biofinity)
Detailed Description
This study was conducted as three separate studies based on the contact lens brand dispensed.
In each study, the contact lens was evaluated in conjunction with three solutions: Opti-Free Replenish, ReNu MultiPlus, and Clear Care.
The total enrollment number of 75 represents a combined enrollment of the three studies, with some subjects participating in more than one study.
Study Type
Interventional
Enrollment (Actual)
75
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 Locations
-
-
Surrey
-
Farnham, Surrey, United Kingdom, GU9 7EN
- Visioncare Research Ltd.
-
-
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
18 years and older (ADULT, OLDER_ADULT)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Signed informed consent.
- Adapted contact lens wearer for at least one month.
- Spherical prescription range between +6.00 to -8.00 diopters.
- Astigmatism of less than or equal to 1.00 diopter in at least one eye.
- Normal eyes with no evidence of abnormality or disease.
- Other protocol-defined inclusion criteria may apply.
Exclusion Criteria:
- Rigid Gas Permeable (RGP) contact lens wear in last 30 days.
- Concurrent ocular medication, systemic illness, or medical treatment that will affect ocular physiology, lens performance, or vision.
- Corneal infiltrates, scarring, or neovascularization within central 4 millimeters of cornea.
- Eye injury or surgery within 8 weeks prior to study.
- Aphakia, amblyopia, abnormal lacrimal secretions, ocular irritation, keratoconus, corneal irregularity, pregnancy, lactating, planning to become pregnant during the study, and participation in a concurrent clinical trial.
- Other protocol-defined exclusion criteria may apply.
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: RANDOMIZED
- Interventional Model: CROSSOVER
- Masking: SINGLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
ACTIVE_COMPARATOR: ACUVUE OASYS
Acuvue Oasys contact lenses worn on a daily wear basis and cleaned nightly with one of three contact lens care solutions.
Each solution was used for 2 weeks, and the order in which the solutions were used was randomized.
A fresh pair of lenses was dispensed with each solution.
Total duration of contact lens wear was six weeks.
|
Contact lens solution CE-marked for intended use.
Other Names:
Contact lens solution CE-marked for intended use.
Other Names:
Contact lens care system CE-marked for intended use.
Other Names:
Silicone hydrogel contact lens worn for two weeks on a daily wear basis and cleaned nightly with one of three contact lens care solutions.
The order of solutions was randomized, and a fresh pair of lenses was dispensed with each solution.
Other Names:
|
ACTIVE_COMPARATOR: AIR OPTIX AQUA
Air Optix Aqua contact lenses worn on a daily wear basis and cleaned nightly with one of three contact lens care solutions.
Each solution was used for 2 weeks, and the order in which the solutions were used was randomized.
A fresh pair of lenses was dispensed with each solution.
Total duration of contact lens wear was six weeks.
|
Contact lens solution CE-marked for intended use.
Other Names:
Contact lens solution CE-marked for intended use.
Other Names:
Contact lens care system CE-marked for intended use.
Other Names:
Silicone hydrogel contact lens worn for two weeks on a daily wear basis and cleaned nightly with one of three contact lens care solutions.
The order of solutions was randomized, and a fresh pair of lenses was dispensed with each solution.
Other Names:
|
ACTIVE_COMPARATOR: Biofinity
Biofinity contact lenses worn on a daily wear basis and cleaned nightly with one of three contact lens care solutions.
Each solution was used for 2 weeks, and the order in which the solutions were used was randomized.
A fresh pair of lenses was dispensed with each solution.
Total duration of contact lens wear was six weeks.
|
Contact lens solution CE-marked for intended use.
Other Names:
Contact lens solution CE-marked for intended use.
Other Names:
Contact lens care system CE-marked for intended use.
Other Names:
Silicone hydrogel contact lens worn for two weeks on a daily wear basis and cleaned nightly with one of three contact lens care solutions.
The order of solutions was randomized, and a fresh pair of lenses was dispensed with each solution.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Modulus
Time Frame: 2 weeks
|
Modulus is a measure of the stiffness of a contact lens material.
Modulus is determined from the slope of the stress-strain curve created during tensile tests conducted on a sample of the material.
Modulus is measured in mega Pascals (MPa).
A higher modulus indicates a stiffer contact lens.
|
2 weeks
|
Bulbar hyperemia
Time Frame: 2 weeks
|
Bulbar hyperemia is the injection (or redness) of the blood vessels in the tissues overlaying the white of the eye.
Bulbar hyperemia is measured on a 0-4 scale, with 0=none, 1=trace, 2=mild, 3=moderate, and 4=severe.
Half-grades are allowed.
|
2 weeks
|
Corneal staining type
Time Frame: 2 weeks
|
An ophthalmic dye is used to highlight dead or degenerated corneal epithelial cells.
The type of staining is measured over the five sectors of the cornea on a 0-4 scale, where 0=none, 1=micropunctate, 2=macropunctate, 3=coalesced macropunctate, and 4=patch (1mm).
The five sectors are averaged to give a single score.
|
2 weeks
|
Upper palpebral roughness
Time Frame: 2 weeks
|
The roughness of the inner lining of the upper eyelid is measured on a 0-4 scale, where 0=uniform appearance, 1=trace, 2=mild, 3=moderate, and 4=severe.
Half grades are allowed.
|
2 weeks
|
High contrast visual acuity
Time Frame: 2 weeks
|
High contrast visual acuity is a measure of the clearness of vision with full room illumination.
Visual acuity is measured with a computer-generated, high contrast logMAR (logarithm minimum angle of resolution) chart.
|
2 weeks
|
End of day comfort
Time Frame: 2 weeks
|
As assessed by the subject as a measure of the comfort of the contact lenses at the end of an average day.
End of day comfort is recorded on an 11-point scale where 0=poor and 10=excellent.
|
2 weeks
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
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.
General Publications
- Program No 105358. Hall LA, Garofalo R, Young G. Clinical comparison of three contact lens systems in conjunction with senofilcon A, lotrafilcon B and comfilcon A daily wear lenses. American Academy of Optometry 2010.
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
April 1, 2009
Primary Completion (ACTUAL)
May 1, 2010
Study Completion (ACTUAL)
May 1, 2010
Study Registration Dates
First Submitted
September 18, 2009
First Submitted That Met QC Criteria
September 21, 2009
First Posted (ESTIMATE)
September 22, 2009
Study Record Updates
Last Update Posted (ESTIMATE)
November 16, 2016
Last Update Submitted That Met QC Criteria
November 15, 2016
Last Verified
July 1, 2012
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- M-09-05
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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