NCT03372551

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

87
On Track

Trial Health Score

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

Enrollment
36

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Nov 2017

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

November 29, 2017

Completed
9 days until next milestone

First Submitted

Initial submission to the registry

December 8, 2017

Completed
5 days until next milestone

First Posted

Study publicly available on registry

December 13, 2017

Completed
9 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 22, 2017

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

April 23, 2018

Completed
1.1 years until next milestone

Results Posted

Study results publicly available

May 29, 2019

Completed
Last Updated

July 23, 2019

Status Verified

July 1, 2019

Enrollment Period

23 days

First QC Date

December 8, 2017

Results QC Date

February 21, 2019

Last Update Submit

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

EXPERIMENTAL

Subjects wearing the somofilcon A 1 day test lens for one week, either randomized as the first or second pair.

Device: somofilcon A 1 day test lensDevice: somofilcon A 1 day control lens

somofilcon A 1 day control lens

ACTIVE COMPARATOR

Subjects wearing the somofilcon A 1 day control lens for one week, either randomized as the first or second pair.

Device: somofilcon A 1 day test lensDevice: somofilcon A 1 day control lens

Interventions

Contact lens

Also known as: somofilcon A daily disposable test soft contact lens, Invigor I, Test lens
somofilcon A 1 day control lenssomofilcon A 1 day test lens

Contact lens

Also known as: somofilcon A daily disposable control soft contact lens, Select 1-Day, Control lens
somofilcon A 1 day control lenssomofilcon A 1 day test lens

Eligibility Criteria

Age17 Years+
Sexall
Healthy VolunteersNo
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, 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

Location

MeSH Terms

Conditions

Myopia

Condition Hierarchy (Ancestors)

Refractive ErrorsEye Diseases

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
Model Details: This will be a, prospective, double-masked, randomized, bilateral, 1 week cross-over, dispensing study
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

Locations