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MyopiaNCT03372551

Comparison of Somofilcon A Daily Disposable Test Contact Lens and Somofilcon A Daily Disposable Control Contact Lens

A study testing somofilcon A 1 day test lens in people with Myopia, run by CooperVision, Inc. at 1 site in Canada.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial 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. Read more about this study

Who is it for?
Ages 17 years and older
Conditions the study is for
Myopia
What is being tested?
somofilcon A 1 day test lens
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
36 participants
Where
1 siteCanada
Study dates
29 Nov 2017to 23 Apr 2018
Phase
Interventional
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 17 years and older
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Who may be able to join

  • 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;
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  • 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.

Who cannot join

  • 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.
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  • 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).

Trial locations and contacts

1 site in 1 country.

Canada1 site
  • Center for Contact Lens Research, University of Waterloo

    Waterloo, Ontario, N2L 3G1

Other trials in Canada

About this study

Official title: Comparison of Daily Disposable Invigor I (Test) and Select 1 Day Lenses

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.

Read the detailed description

The purpose of this study is to evaluate the clinical performance of an investigational silicone-hydrogel contact lens (test) against a marketed silicone-hydrogel contact lens (control) when worn on a daily disposable wear modality over 1 week (for each lens) in a randomized, bilateral, cross-over, dispensing study.

Conditions
Myopia
Being tested
somofilcon A 1 day test lens, somofilcon A 1 day control lens
Medical subject headings
Myopia

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • somofilcon A 1 day test lensDevice

    Also called somofilcon A daily disposable test soft contact lens, Invigor I, Test lens

    Contact lens

  • somofilcon A 1 day control lensDevice

    Also called somofilcon A daily disposable control soft contact lens, Select 1-Day, Control lens

    Contact lens

Study groups in NCT03372551
Study groupRoleWhat they receive
somofilcon A 1 day test lensExperimentalSubjects wearing the somofilcon A 1 day test lens for one week, either randomized as the first or second pair.
Receives: Device: somofilcon A 1 day test lens; Device: somofilcon A 1 day control lens
somofilcon A 1 day control lensActive comparatorSubjects wearing the somofilcon A 1 day control lens for one week, either randomized as the first or second pair.
Receives: Device: somofilcon A 1 day test lens; Device: somofilcon A 1 day control lens

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Comfort

    Subjective comfort scored 0-100 (0=Cannot be worn, 100=Cannot be felt ever)

    Measured: up to 1 week

  2. Preference

    Overall lens that subject prefers or no preference

    Measured: up to 1 week

  3. Vision

    Visual acuity measured in logMAR

    Measured: Up to 1 week

  4. Subjective Vision

    Subjective vision scored 0-100 (0=Extremely poor, 100=Excellent vision all the time)

    Measured: up to 1 week

  5. Corneal Staining

    Amount of staining observed on the cornea scored 0-4 (0=none, 4=severe) in 0.25 steps

    Measured: up to 1 week

  6. Conjunctival Staining

    Amount of staining observed on the conjunctiva scored 0-4 (0=none, 4=severe) in 0.25 steps

    Measured: up to 1 week

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted13 Dec 2017
  2. Study start29 Nov 2017
  3. Primary completion22 Dec 2017
  4. Study completion23 Apr 2018

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Crossover
Model description
This will be a, prospective, double-masked, randomized, bilateral, 1 week cross-over, dispensing study
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
36 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03372551
Sponsor's protocol ID
CV-16-43
Status last verified
Jul 2019
First submitted
8 Dec 2017
Last updated
23 Jul 2019
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
Yes
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A study testing somofilcon A 1 day test lens in people with Myopia, run by CooperVision, Inc. at 1 site in Canada.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 11 inclusion and 11 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 23 Jul 2019. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Canada. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Yes. Results are posted in the registry (first posted 29 May 2019). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Comfort (time frame: up to 1 week). The study lists 6 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 23 Jul 2019.

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