A Bilateral Dispensing Comparison of Comfilcon A Over Senofilcon C Contact Lenses
1 other identifier
interventional
45
1 country
1
Brief Summary
The aim of this study is to evaluate the subjective acceptance of Comfilcon A contact lenses when worn on a daily wear modality over one month.
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 2018
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 23, 2018
CompletedFirst Submitted
Initial submission to the registry
September 19, 2018
CompletedFirst Posted
Study publicly available on registry
September 26, 2018
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 14, 2018
CompletedStudy Completion
Last participant's last visit for all outcomes
February 1, 2019
CompletedResults Posted
Study results publicly available
June 26, 2020
CompletedJune 26, 2020
April 1, 2019
5 months
September 19, 2018
June 9, 2020
June 9, 2020
Conditions
Outcome Measures
Primary Outcomes (3)
Ease of Insertion(Handling)
Subjective ratings of ease of insertion for each pair of lenses (scale: 0-10; 0= Very difficult,10 = Very easy)
Baseline
Ease of Insertion (Handling)
Subjective ratings of ease of insertion for each pair of lenses (scale: 0-10; 0= Very difficult,10 = Very easy)
2 weeks
Ease of Insertion(Handling)
Subjective ratings of ease of insertion for each pair of lenses (scale: 0-10; 0= Very difficult,10 = Very easy)
1 month
Secondary Outcomes (2)
Rotational Recovery After Lens Mislocation
Baseline
Rotational Recovery After Lens Mislocation
1 month
Study Arms (2)
Comfilcon A (test)
ACTIVE COMPARATORParticipants were randomized to wear either test or control contact lenses bilaterally for one month during the cross-over study.
Senofilcon C (control)
ACTIVE COMPARATORParticipants were randomized to wear either test or control contact lenses bilaterally for one month during the cross-over study.
Interventions
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 and signed an information consent letter;
- Is willing and able to follow instructions and maintain the appointment schedule;
- Is an adapted soft contact lens wearer, who currently wears contact lenses for a minimum 3 days/week and 8 hours/day AND who anticipates no difficulty wearing CLs for 6 days/week, 10 hours /day.
- Is willing to wear contact lens in both eyes for the duration of the study;
- Has a minimum astigmatism of - 0.75, determined by refraction;
- Can be fit with the two study contact lens types in the powers available;
- Has a distance visual acuity of 0.20 logMAR (approx 20/30) or better, determined by refraction;
- Can achieve a distance visual acuity of 0.20 logMAR (approx 20/30) or better in each eye with the study contact lenses.
- Has clear corneas and no active\* ocular disease;
You may not qualify if:
- A person will be excluded from the study if he/she:
- Is participating in any concurrent clinical trial;
- Has any known active\* ocular disease and/or infection;
- Has a systemic condition that in the opinion of the investigator may affect a study measure;
- Is using any systemic or topical medications that in the opinion of the investigator may affect a study measure;
- Has known sensitivity to fluorescein dye or products to be used in the study;
- Appears to have any active\* ocular pathology, ocular anomaly or severe insufficiency of lacrimal secretion (severe dry eye) that would affect the wearing of contact lenses;
- Is pregnant, lactating or planning a pregnancy at the time of enrolment (by verbal confirmation at the screening visit);
- Is aphakic;
- Has undergone refractive error surgery;
- Has participated in the previous QUENA study.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
University Of Waterloo
Waterloo, Ontario, N2L 3G1, Canada
Results Point of Contact
- Title
- Jose A. Vega, O.D., MSc., FAAO
- Organization
- CooperVision,Inc.
Study Officials
- PRINCIPAL INVESTIGATOR
Lyndon Jones, PhD FCOptom
Director, Centre for Ocular Research and Education
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
- Purpose
- TREATMENT
- Intervention Model
- CROSSOVER
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 19, 2018
First Posted
September 26, 2018
Study Start
July 23, 2018
Primary Completion
December 14, 2018
Study Completion
February 1, 2019
Last Updated
June 26, 2020
Results First Posted
June 26, 2020
Record last verified: 2019-04