A One-Week Crossover Dispensing Evaluation of New Daily Wear Soft Contact Lenses
1 other identifier
interventional
45
1 country
1
Brief Summary
The purpose of this study is to validate the clinical performance of a new contact lens design when worn over a period 1 week compared to nelfilcon A (control).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started Jul 2017
Shorter than P25 for not_applicable
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
July 28, 2017
CompletedFirst Submitted
Initial submission to the registry
August 15, 2017
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 31, 2017
CompletedStudy Completion
Last participant's last visit for all outcomes
August 31, 2017
CompletedFirst Posted
Study publicly available on registry
October 11, 2017
CompletedResults Posted
Study results publicly available
September 22, 2020
CompletedSeptember 22, 2020
September 1, 2020
1 month
August 15, 2017
September 1, 2020
September 1, 2020
Conditions
Outcome Measures
Primary Outcomes (2)
Lens Fit Acceptance
Overall lens fit acceptance was measured on a scale of 0-4 in 0.25 steps (0=can't be worn, 1=Poor, 2=Fair, 3=Good, 4=Optimum)
Baseline
Lens Fit Acceptance
Overall lens fit acceptance was measured on a scale of 0-4 in 0.25 steps (0=can't be worn, 1=Poor, 2=Fair, 3=Good, 4=Optimum)
1-Week
Study Arms (2)
Test Contact Lens
ACTIVE COMPARATORPer randomized schedule, subject will wear a pair of the test lens or control lens for one week and then cross-over with the control pair for 1 week.
nelfilcon A lens (control)
ACTIVE COMPARATORPer randomized schedule, subject will wear a pair of the control lens for one week and then cross-over with the test pair for 1 week.
Interventions
Focus Dailies All Day Comfort contact lens (nelfilcon A)
Eligibility Criteria
You may qualify if:
- Is at least 18 years of age and has full legal capacity to volunteer.
- Is no greater than 55 years of age.
- Has read and understood the information consent letter.
- Is willing and able to follow instructions and maintain the appointment schedule.
- Is an adapted soft contact lens wearer having worn lenses for a minimum of 4 weeks prior to the study.
- Has spectacle cylinder ≤1.00D in both eyes.
- Has spherical contact lens power requirement between -1.00D and -6.00D in both eyes.
- Has manifest refraction visual acuities (VA) equal to or better than logMAR equivalent of 20/25 in each eye.
- Wears CLs in both eyes (monvision acceptable, but not monofit)
- Has clear corneas and no active ocular disease.
- Has not worn lenses for at least 12 hours before the examination.
- Is willing to wear the study contact lenses for a minimum 8 hours per day/6 days per week
You may not qualify if:
- Has never worn contact lenses before.
- Has any systemic disease affecting ocular health.
- Is using any systemic or topical medications that will affect ocular health.
- Has any ocular pathology or severe insufficiency of lacrimal secretion (moderate to severe dry eyes) that would affect the wearing of contact lenses.
- Has persistent, clinically significant corneal or conjunctival staining using sodium fluorescein dye.
- Has any clinically significant lid or conjunctival abnormalities, active neovascularization or any central corneal scars.
- Is aphakic.
- Has strabismus/amblyopia.
- Has undergone corneal refractive surgery.
- Is pregnant, lactating or planning a pregnancy.
- Is participating in any concurrent clinical or research study.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Clinical Optics Research Lab (CORL) Indiana University School of Optometry, Indiana University
Bloomington, Indiana, 47405, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Lee Hall, BSc, PhD, MCOptom, FBCLA
- Organization
- CooperVision, Inc
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Masking Details
- The contact lenses coding will be masked to both the investigator and subject. If standard labeling does not sufficiently mask the study material then over-labeling will be performed.
- Purpose
- TREATMENT
- Intervention Model
- CROSSOVER
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 15, 2017
First Posted
October 11, 2017
Study Start
July 28, 2017
Primary Completion
August 31, 2017
Study Completion
August 31, 2017
Last Updated
September 22, 2020
Results First Posted
September 22, 2020
Record last verified: 2020-09
Data Sharing
- IPD Sharing
- Will not share