Comparison of Somofilcon A Daily Disposable Test Contact Lens and Somofilcon A Daily Disposable Control Contact Lens
Comparison of Daily Disposable Invigor I (Test) and Select 1 Day Lenses
1 other identifier
interventional
36
1 country
1
Brief Summary
The purpose of this study is to investigate the overall clinical performance of the somofilcon A daily disposable test soft contact lens compared to the somofilcon A daily disposable control soft contact lens.
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 Nov 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
November 29, 2017
CompletedFirst Submitted
Initial submission to the registry
December 8, 2017
CompletedFirst Posted
Study publicly available on registry
December 13, 2017
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 22, 2017
CompletedStudy Completion
Last participant's last visit for all outcomes
April 23, 2018
CompletedResults Posted
Study results publicly available
May 29, 2019
CompletedJuly 23, 2019
July 1, 2019
23 days
December 8, 2017
February 21, 2019
July 9, 2019
Conditions
Outcome Measures
Primary Outcomes (6)
Comfort
Subjective comfort scored 0-100 (0=Cannot be worn, 100=Cannot be felt ever)
up to 1 week
Preference
Overall lens that subject prefers or no preference
up to 1 week
Vision
Visual acuity measured in logMAR
Up to 1 week
Subjective Vision
Subjective vision scored 0-100 (0=Extremely poor, 100=Excellent vision all the time)
up to 1 week
Corneal Staining
Amount of staining observed on the cornea scored 0-4 (0=none, 4=severe) in 0.25 steps
up to 1 week
Conjunctival Staining
Amount of staining observed on the conjunctiva scored 0-4 (0=none, 4=severe) in 0.25 steps
up to 1 week
Study Arms (2)
somofilcon A 1 day test lens
EXPERIMENTALSubjects wearing the somofilcon A 1 day test lens for one week, either randomized as the first or second pair.
somofilcon A 1 day control lens
ACTIVE COMPARATORSubjects wearing the somofilcon A 1 day control lens for one week, either randomized as the first or second pair.
Interventions
Contact lens
Contact lens
Eligibility Criteria
You may qualify if:
- Is at least 17 years of age and has full legal capacity to volunteer;
- Has had a self-reported oculo-visual examination in the last two years;
- Has read, understood, and signed the information consent letter;
- Is willing and able to follow instructions and maintain the appointment schedule;
- Has a visual acuity of 20/30 or better (in each eye) with their habitual vision correction, or 20/20 best-corrected vision (for binocular distance acuity);
- Must be able to achieve 20/30 or better (in each eye) with the study lenses;
- Currently wears soft contact lenses for at least 3 days per week, 8 hours each day;
- Requires spectacle lens powers between -0.75 and -06.50 diopters sphere (0.25D steps);
- Has no more than 0.75 diopters of refractive astigmatism;
- Has clear corneas and no active\* ocular disease;
- Has not worn lenses for at least 12 hours before the examination.
You may not qualify if:
- Is presently participating in any other clinical or research study including eye related clinical or research study;
- Has never worn contact lenses before.
- Has any systemic disease affecting ocular health.
- Has any active\* ocular pathology or severe insufficiency of lacrimal secretion (moderate to severe dry eyes) that would affect the wearing of contact lenses.
- Is using any systemic or topical medications that will affect a study outcome variable, and/or ocular health.
- Has any known sensitivity to fluorescein dye or products to be used in the study.
- 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 undergone corneal refractive surgery.
- Is pregnant, lactating, or planning a pregnancy at the time of enrolment (by verbal confirmation at the screening visit).
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Center for Contact Lens Research, University of Waterloo
Waterloo, Ontario, N2L 3G1, Canada
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Myhanh Nguyen, Sr. Optometrist
- Organization
- Coopervision
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Masking Details
- Both the participants and study investigators will be masked to the randomization schedule of the contact lenses used.
- Purpose
- TREATMENT
- Intervention Model
- CROSSOVER
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 8, 2017
First Posted
December 13, 2017
Study Start
November 29, 2017
Primary Completion
December 22, 2017
Study Completion
April 23, 2018
Last Updated
July 23, 2019
Results First Posted
May 29, 2019
Record last verified: 2019-07
Data Sharing
- IPD Sharing
- Will not share