NCT03684928

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

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
45

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Jul 2018

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 23, 2018

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

September 19, 2018

Completed
7 days until next milestone

First Posted

Study publicly available on registry

September 26, 2018

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 14, 2018

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2019

Completed
1.4 years until next milestone

Results Posted

Study results publicly available

June 26, 2020

Completed
Last Updated

June 26, 2020

Status Verified

April 1, 2019

Enrollment Period

5 months

First QC Date

September 19, 2018

Results QC Date

June 9, 2020

Last Update Submit

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 COMPARATOR

Participants were randomized to wear either test or control contact lenses bilaterally for one month during the cross-over study.

Device: Comfilcon A (test)Device: Senofilcon C (control)

Senofilcon C (control)

ACTIVE COMPARATOR

Participants were randomized to wear either test or control contact lenses bilaterally for one month during the cross-over study.

Device: Comfilcon A (test)Device: Senofilcon C (control)

Interventions

Daily wear contact lenses

Comfilcon A (test)Senofilcon C (control)

Daily wear contact lenses

Comfilcon A (test)Senofilcon C (control)

Eligibility Criteria

Age17 Years+
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

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

Location

Results Point of Contact

Title
Jose A. Vega, O.D., MSc., FAAO
Organization
CooperVision,Inc.

Study Officials

  • Lyndon Jones, PhD FCOptom

    Director, Centre for Ocular Research and Education

    PRINCIPAL INVESTIGATOR

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
Model Details: Prospective, double-masked, bilateral, randomized, one month cross-over dispensing study.
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

Locations