- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01695369
Evaluation of Comfilcon A and Senofilcon A Lenses
July 19, 2020 updated by: Coopervision, Inc.
Clinical Comfort Evaluation of Biofinity and Acuvue Oasys Lenses
Evaluation of Comfilcon A and Senofilcon A Lenses
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
Non-dispensing, single-masked, randomized, contralateral study comparing the test lens against the control lens.
Each subject will be randomized to wear the test lens in one eye and the control lens in the other eye.
Study Type
Interventional
Enrollment (Actual)
61
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
-
-
Texas
-
Houston, Texas, United States, 77204
- University of Houston College of Optometry, TERTC
-
-
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:
Subjects must satisfy the following conditions prior to inclusion in the study:
- Has had an oculo-visual examination in the last two years
- Is at least 18 years of age and has full legal capacity to volunteer
- Has read and understood the information consent letter
- Is willing and able to follow instructions and maintain the appointment schedule
- Is correctable to a visual acuity of 20/30 or better (in each eye) with their habitual vision correction
- Currently wears soft contact lenses at least 3 days a week, 8 hours a day
- Has clear corneas and no active ocular disease
- Has not worn lenses for at least 12 hours before the examination
Have normal eyes with no evidence of abnormality or disease. For the purposes of this study a normal eye is defined as one having:
- No amblyopia
- No evidence of lid abnormality or infection (e.g. entropion, ectropion, chalazia, recurrent styes)
- No clinically significant slit lamp findings (e.g. infiltrates or other slit lamp findings Grade 2 or above: corneal edema, tarsal abnormalities, and conjunctival injection).
- No other active ocular disease (e.g. glaucoma, history of recurrent corneal erosions, cornea [infiltrates], conjunctiva, lids, and intraocular infection or inflammation of an allergic, bacterial, or viral etiology)
- No aphakia
- Has prescription to match the available power range.
Exclusion Criteria:
Any of the following will render a subject ineligible for inclusion:
- Greater than 0.75 of refractive astigmatism in either eye
- Has never worn contact lenses before
- Wears contact lenses on an extended wear basis
- Has any systemic disease affecting ocular health
- Is a known sufferer of ocular allergies
- Is taking medication, such as oral antihistamines, antihistamine eye drops, oral and ophthalmic beta-adrenergic blockers (e.g. Propanolol, Timolol), anticholinergics, oral steroids and any prescribed or over-the-counter eye medication, except artificial tears or eye lubricants
- Has any clinically significant lid or conjunctival abnormalities, neovascularization, corneal scars or corneal opacities
- Is aphakic
- Has undergone corneal refractive surgery.
- Is wearing monovision
- Is participating in any other type of clinical or research study
- Female who is currently pregnant or is breast-feeding
- Has > grade 1 ocular corneal staining in both type and extent by > grade 2 in either type or extent
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: OTHER
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: SINGLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
ACTIVE_COMPARATOR: Senofilcon A
Senofilcon A; Comfilcon A
|
Senofilcon A; Comfilcon A
Comfilcon A; Senofilcon A
|
EXPERIMENTAL: Comfilcon A
Comfilcon A; Senofilcon A
|
Senofilcon A; Comfilcon A
Comfilcon A; Senofilcon A
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Subjective Responses for Comfort Rated on a 0-100 Visual Scale.
Time Frame: Baseline Insertion, 10 Minutes, 5 hours and 10 hours
|
Subjective Patient Ratings measured using a Visual Analog Scale on a 0-100.
(0=Cannot be worn.
Causes pain, 20=Frequently irritating, 40=Occasionally irritating, 60=Occasionally noticeable but not irritating, 80=Rarely noticeable, 100=Cannot be felt ever)
|
Baseline Insertion, 10 Minutes, 5 hours and 10 hours
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Jan Bergmanson, OD, PhD, University of Houston College of Optometry, TERTC
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
August 1, 2012
Primary Completion (ACTUAL)
August 1, 2012
Study Completion (ACTUAL)
August 1, 2012
Study Registration Dates
First Submitted
September 26, 2012
First Submitted That Met QC Criteria
September 26, 2012
First Posted (ESTIMATE)
September 28, 2012
Study Record Updates
Last Update Posted (ACTUAL)
July 28, 2020
Last Update Submitted That Met QC Criteria
July 19, 2020
Last Verified
July 1, 2020
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- CV-12-54
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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