Vistakon Investigational Contact Lenses Worn for Daily Wear
1 other identifier
interventional
529
1 country
20
Brief Summary
This study compares the performance of an investigational contact lens to a currently marketed lens.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Aug 2007
Shorter than P25 for not_applicable
20 active sites
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
August 1, 2007
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 1, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
April 1, 2008
CompletedFirst Submitted
Initial submission to the registry
July 15, 2008
CompletedFirst Posted
Study publicly available on registry
July 17, 2008
CompletedResults Posted
Study results publicly available
May 26, 2016
CompletedMay 26, 2016
April 1, 2016
8 months
July 15, 2008
April 20, 2016
April 20, 2016
Conditions
Outcome Measures
Primary Outcomes (4)
Slit Lamp Findings
Each subjects' eye was examined using a bio-microscope. Slit lamp findings were graded using a 5- point scale. (Grade 0, 1, 2, 3 and 4). The data was dichotomized by creating 2 groups. Eyes with Grade 3 or Grade 4; eyes with Grade 2 or lower. The number of eyes with Grade 3 or Grade 4 was reported.
6 months
Subject Reported Symptoms
Subjects were asked "Have you experienced any symptoms or problems since your last visit?" at each visit and responded 'yes' or 'no' for each eye; at each visit(baseline, 2-, 4-, 12- and 26- week follow-up evaluations). If a subject responded 'yes' then the symptoms was classified into one of the four categories, "Dryness", "Other", "Cloudy/ Blurry / Hazy", "Irritation / Discomfort". The percentage of each response across all visits was reported.
6 months
Visual Acuity
Binocular LogMAR Visual Acuity was taken under low luminance and high contrast conditions using ETDRS acuity charts.
6 months
Average Contact Lens Wear Time
The Contact lens wear time for the study contact lenses was collected for each subject. The average wear time for each contact lens was reported.
6 Months
Study Arms (2)
Test Lens
EXPERIMENTALgalyfilcon A contact lens with a silver additive
Control Lens
ACTIVE COMPARATORgalyfilcon A control contact lens
Interventions
Marketed daily wear contact lens
Eligibility Criteria
You may qualify if:
- The subject must be at least 18 years of age.
- Both males and females may be enrolled.
- The subject must read, understand, and sign for themselves the STATEMENT OF INFORMED CONSENT and be provided with a copy of the form.
- The subject is able and willing to wear soft contact lenses on a daily basis for a six month duration.
You may not qualify if:
- The subject must be free of Grade 2 or greater slit lamp findings (edema, corneal neovascularization, corneal staining, tarsal abnormalities, conjunctival injection, and other ocular abnormality), which would contraindicate contact lens wear.
- Any active ocular (i.e. corneal infiltrates, conjunctiva, lids, and intraocular) infection or inflammation of an allergic, bacterial, or viral etiology.
- Entropion, ectropion, chalazia, recurrent styes, glaucoma or glaucoma suspect, history of recurrent corneal erosions and aphakia.
- The following medications are prohibited (at lease one week prior to enrollment): oral retinoid isoretinoin (e.g. Accutane), oral tetracyclines, topical scopolamine, oral (e.g. antihistamines (e.g. Seldane, Chlor-Trimeton, and Benadryl), and ophthalmic antihistamic Beta-adrenergic blockers (e.g. Propranolol, Timolol, and Practolol), systemic steroids, and and prescribed or OTC ocular medication. Any prescription or PTC medications or preparations containing silver.
- Moderate or above corneal distortion by keratometry.
- Known allergy to silver, silver ions, or silver containing compounds.
- Abnormal discoloration of the cornea and/or conjunctiva.
- Routine exposure to silver, silver ions, or silver containing compounds.
- The subject must be free of systemic diseases which may interfere with contact lens wear: diabetes, hyperthyroidism, recurrent herpes simplex/zoster, Sjogren's syndrome, xerophthalmia, acne rosacea, Stevens-Johnson syndrome, and immunosuppressive diseases (e.g. AIDS)
- Free of systemic and infectious diseases: hepatitis and tuberculosis.
- Subjects must be HIV negative.
- The subject must not be currently be pregnant or lactating (Subject becoming pregnant during the study will be discontinued).
- The subject's eyes must be best corrected to a visual acuity of 20/30 or better in each eye.
- The subject must not have more than 1.00D of refractive astigmatism in either eye.
- The subject's distance spherical contact lens prescription must be between -1.00D and -6.00D.
- +7 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (20)
Cole, Cole, and Krohn
Fresno, California, 93704, United States
Dr. James R. Dugue Family Optometrist
Mission Viejo, California, 92691, United States
Fukai and Associates
Louisville, Colorado, 80027, United States
Baymeadows Vision Center
Jacksonville, Florida, 32256, United States
Eyecare Associates
Bloomington, Illinois, 61701, United States
Advantage Eyecare Associates, LLC
Neodesha, Kansas, 66757, United States
InSight Eyecare
Warrensburg, Missouri, 64093, United States
Spectrum Eyecare
Jamestown, New York, 14750, United States
Drs. Quinn, Quinn and Associates
Athens, Ohio, 45701, United States
Dr. Michael H. Greenburg, Inc.
Chagrin Falls, Ohio, 44023, United States
Central Ohio Eyecare
Columbus, Ohio, 43202, United States
James W. Kershaw OD, Inc.
North Olmsted, Ohio, 44070, United States
West Hills Vision Center
Moon Township, Pennsylvania, 15108, United States
Nittany Eye Associates
State College, Pennsylvania, 16801, United States
Research Across America
Wyomissing, Pennsylvania, 19610, United States
Dr. David W. Ferris and Associates
Warwick, Rhode Island, 02886, United States
Premier Vision
Amarillo, Texas, 79119, United States
William J. Bogus OD
Salt Lake City, Utah, 84106, United States
The Eye Speciliasts, Ltd
Virginia Beach, Virginia, 23455, United States
Snowy Range Vision Center
Laramie, Wyoming, 82070, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Brian Pall, O.D., M.S. Principal Research Optometrist
- Organization
- Johnson & Johnson Vision Care Inc.
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- GT60
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
July 15, 2008
First Posted
July 17, 2008
Study Start
August 1, 2007
Primary Completion
April 1, 2008
Study Completion
April 1, 2008
Last Updated
May 26, 2016
Results First Posted
May 26, 2016
Record last verified: 2016-04