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MyopiaNCT02727816

Non-dispensing Fitting Study Comparing the Clinical Performance Hydrogel Sphere Design Contact Lenses.

A study testing filcon IV I (BC 8.6), filcon IV I (BC 8.7) and ocufilcon D in people with Myopia, run by CooperVision, Inc. at 1 site in Mexico.

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 aim of this non-dispensing study is to evaluate the clinical performance of different hydrogel contact lens designs. Read more about this study

Who is it for?
Ages 18 to 40 yearsHealthy volunteers can take part
Conditions the study is for
Myopia
What is being tested?
filcon IV I (BC 8.6), filcon IV I (BC 8.7) and ocufilcon D
Could I receive a placebo?
No, everyone receives an active treatment
How many people
35 participants
Where
1 siteMexico
Study dates
Apr 2016to Aug 2016
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 18 to 40 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • A person is eligible for inclusion in the study if he/she:
  • Is between 18 and 40 years of age (inclusive).
  • Has had a self-reported visual exam in the last two years.
  • Is an adapted soft CL (Contact Lens) wearer.
  • Has a CL spherical prescription between - 1.00 and - 6.00 (inclusive)
  • Has a spectacle cylinder up to 0.75D (Diopters) in each eye.
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  • Can achieve best corrected spectacle distance visual acuity of 20/25 (0.10 logMAR) or better in each eye.
  • Can achieve a distance visual acuity of 20/30 (0.18 logMAR) or better in each eye with the study contact lenses.
  • Has clear corneas and no active ocular disease.
  • Has read, understood and signed the information consent letter.
  • Patient contact lens refraction should fit within the available parameters of the study lenses.
  • Is willing to comply with the wear schedule.
  • Is willing to comply with the visit schedule.

Who cannot join

  • A person will be excluded from the study if he/she:
  • Has never worn contact lenses before.
  • Currently wears rigid gas permeable contact lenses.
  • Has a history of not achieving comfortable CL wear (5 days per week; > 8 hours/day)
  • Has a CL prescription outside the range of - 1.00 to - 6.00D
  • Has a spectacle cylinder ≥1.00D of cylinder in either eye.
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  • Has contact lens best corrected distance vision worse than 20/25 (0.10 logMAR) in either eye.
  • Presence of clinically significant (grade 2-4) anterior segment abnormalities.
  • Presence of ocular or systemic disease or need of medications which might interfere with contact lens wear.
  • Slit lamp findings that would contraindicate contact lens wear such as:
  • Pathological dry eye or associated findings
  • Pterygium, pinguecula, or corneal scars within the visual axis
  • Neovascularization > 0.75 mm in from of the limbus
  • Giant papillary conjunctivitis (GPC) worse than grade 1
  • Anterior uveitis or iritis (past or present)
  • Seborrheic eczema, Seborrheic conjunctivitis
  • History of corneal ulcers or fungal infections
  • Poor personal hygiene
  • Has a known history of corneal hypoesthesia (reduced corneal sensitivity)
  • Has aphakia, keratoconus or a highly irregular cornea.
  • Has Presbyopia or has dependence on spectacles for near work over the contact lenses.
  • Has undergone corneal refractive surgery.
  • Is participating in any other type of eye related clinical or research study.

Trial locations and contacts

1 site in 1 country.

Mexico1 site
  • Optometry Clinic, National Autonomous University

    Mexico City

Other trials in Mexico

About this study

The aim of this non-dispensing study is to evaluate the clinical performance of different hydrogel contact lens designs.

Read the detailed description

This is a 35-subject, double masked, randomized, contra lateral, non-dispensing fitting trial comparing different hydrogel lens materials. For each study, this study will involve 2 visits: lens dispensing (baseline) and 1 hour post lens settling. Each subject will be randomized to wear the test and control lenses, in the right or left eye, in a series of four short fitting comparisons as follows:

Pair 1 (P1): filcon IV I (Base Curve (BC) 8.6) and ocufilcon D

Pair 2 (P2): filcon IV I (Base Curve (BC) 8.7) and ocufilcon D

Pair 3 (P3): methafilcon A (Base Curve (BC) 8.6) and ocufilcon D

Pair 4 (P4): methafilcon A (Base Curve (BC)8.7) and somofilcon A

Conditions
Myopia
Being tested
filcon IV I (BC 8.6), filcon IV I (BC 8.7), ocufilcon D, methafilcon A (BC 8.6), methafilcon A (BC 8.7)
Medical subject headings
Myopia

What participants receive

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

  • filcon IV I (BC 8.6)Device

    control lens

  • filcon IV I (BC 8.7)Device

    control lens

  • ocufilcon DDevice

    test lens

  • methafilcon A (BC 8.6)Device

    control lens

  • methafilcon A (BC 8.7)Device

    control lens

  • somofilcon ADevice

    test lens

Study groups in NCT02727816
Study groupRoleWhat they receive
filcon IV I (BC 8.6) / ocufilcon D (pair one)ExperimentalParticipants were randomized to a test and control lens for each pair in a contralateral design.
Receives: Device: filcon IV I (BC 8.6); Device: ocufilcon D
filcon IV I (BC 8.7) / ocufilcon D (pair two)ExperimentalParticipants were randomized to a test and control lens for each pair in a contralateral design.
Receives: Device: filcon IV I (BC 8.7); Device: ocufilcon D
methafilcon A (BC 8.6) / ocufilcon D (pair three)ExperimentalParticipants were randomized to a test and control lens for each pair in a contralateral design.
Receives: Device: ocufilcon D; Device: methafilcon A (BC 8.6)
methafilcon A (BC 8.7) / somofilcon A (pair four)ExperimentalParticipants were randomized to a test and control lens for each pair in a contralateral design.
Receives: Device: methafilcon A (BC 8.7); Device: somofilcon A

What is being measured

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

  1. Centration - Pair One

    Centration for filcon IV I (Base Curve (BC) 8.6) / ocufilcon D (pair one) is assessed. (optimum, decentration acceptable, decentration unacceptable).

    Measured: Baseline and 1 hour

  2. Centration - Pair Two

    Centration for filcon IV I (Base Curve (BC) 8.7) / ocufilcon D (pair two) is assessed. (optimum, decentration acceptable, decentration unacceptable).

    Measured: Baseline and 1 hour

  3. Centration - Pair Three

    Centration for methafilcon A (Base Curve (BC) 8.6) / ocufilcon D (pair three) is assessed. (optimum, decentration acceptable, decentration unacceptable).

    Measured: Baseline and 1 hour

  4. Centration - Pair Four

    Centration for methafilcon A (Base Curve (BC) 8.7) / somofilcon A (pair four) is assessed. (optimum, decentration acceptable, decentration unacceptable).

    Measured: Baseline and 1 hour

  5. Post-blink Movement - Pair One

    Post-blink movement for filcon IV I (BC 8.6) / ocufilcon D (pair one) is assessed. (0-5 Likert scale, 0=Insufficient, unacceptable movement, 4=Excessive, unacceptable movement).

    Measured: Baseline

  6. Post-blink Movement - Pair One

    Post-blink movement for filcon IV I (BC 8.6) / ocufilcon D (pair one) is assessed. (0-5 Likert scale, 0=Insufficient, unacceptable movement, 4=Excessive, unacceptable movement).

    Measured: 1 hour

  7. Post-blink Movement - Pair Two

    Post-blink movement for filcon IV I (BC 8.7) / ocufilcon D (pair two) is assessed. (0-5 Likert scale, 0=Insufficient, unacceptable movement, 4=Excessive, unacceptable movement).

    Measured: Baseline

  8. Post-blink Movement - Pair Two

    Post-blink movement for filcon IV I (BC 8.7) / ocufilcon D (pair two) is assessed. (0-5 Likert scale, 0=Insufficient, unacceptable movement, 4=Excessive, unacceptable movement).

    Measured: 1 hour

  9. Post-blink Movement - Pair Three

    Post-blink movement for methafilcon A (BC 8.6) / ocufilcon D (pair three) is assessed. (0-5 Likert scale, 0=Insufficient, unacceptable movement, 4=Excessive, unacceptable movement).

    Measured: Baseline

  10. Post-blink Movement - Pair Three

    Post-blink movement for methafilcon A (BC 8.6) / ocufilcon D (pair three) is assessed. (0-5 Likert scale, 0=Insufficient, unacceptable movement, 4=Excessive, unacceptable movement).

    Measured: 1 hour

  11. Post-blink Movement - Pair Four

    Post-blink movement for methafilcon A (BC 8.7) / somofilcon A (pair four) is assessed. (0-5 Likert scale, 0=Insufficient, unacceptable movement, 4=Excessive, unacceptable movement).

    Measured: Baseline

  12. Post-blink Movement - Pair Four

    Post-blink movement for methafilcon A (BC 8.7) / somofilcon A (pair four) is assessed. (0-5 Likert scale, 0=Insufficient, unacceptable movement, 4=Excessive, unacceptable movement).

    Measured: 1 hour

  13. Lens Tightness - Pair One

    Lens tightness on push on test for filcon IV I (BC 8.6) / ocufilcon D (pair one) is assessed. (0% - 100%, 100%=No movement, 50%=Optimum 0%=Falls from cornea without lid support)

    Measured: Baseline and 1 hour

  14. Lens Tightness - Pair Two

    Lens tightness on push on test for filcon IV I (BC 8.7) / ocufilcon D (pair two) is assessed. (0% - 100%, 100%=No movement, 50%=Optimum 0%=Falls from cornea without lid support)

    Measured: Baseline and 1 hour

  15. Lens Tightness - Pair Three

    Lens tightness on push on test for methafilcon A (BC 8.6) / ocufilcon D (pair three) is assessed. (0% - 100%, 100%=No movement, 50%=Optimum 0%=Falls from cornea without lid support)

    Measured: Baseline and 1 hour

  16. Lens Tightness - Pair Four

    Lens tightness on push on test for methafilcon A (BC 8.7) / somofilcon A (pair four) is assessed. (0% - 100%, 100%=No movement, 50%=Optimum 0%=Falls from cornea without lid support)

    Measured: Baseline and 1 hour

  17. Overall Fit Preference - Pair One

    Investigator's lens fit acceptance / acceptability for filcon IV I (BC 8.6) / ocufilcon D (pair one) is assessed. Three choices: filcon IV I (BC 8.6), ocufilcon D, or no preference.

    Measured: Baseline and 1 hour

  18. Overall Fit Acceptance - Pair Two

    Investigator's lens fit acceptance / acceptability for filcon IV I (BC 8.7) / ocufilcon D (pair two) is assessed. Three choices: filcon IV I (BC 8.7), ocufilcon D, or no preference.

    Measured: Baseline and 1 hour

  19. Overall Fit Acceptance - Pair Three

    Investigator's lens fit acceptance / acceptability for methafilcon A (BC 8.6) / ocufilcon D (pair three) is assessed. Three choices: methafilcon A (BC 8.6), ocufilcon D, or no preference.

    Measured: Baseline and 1 hour

  20. Overall Fit Acceptance - Pair Four

    Investigator's lens fit acceptance / acceptability for methafilcon A (BC 8.7) / somofilcon A (pair four) is assessed. Three choices: methafilcon A (BC 8.7), somofilcon A, or no preference.

    Measured: Baseline and 1 hour

Timeline

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

  1. First posted5 Apr 2016 (estimated)
  2. Study startApr 2016
  3. Primary completionMay 2016
  4. Study completionAug 2016

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
Other
Allocation
Randomised
Intervention model
Parallel groups
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
35 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02727816
Sponsor's protocol ID
EX-MKTG-65
Status last verified
Jul 2017
First submitted
30 Mar 2016
Last updated
6 Feb 2018
Data monitoring committee
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A study testing filcon IV I (BC 8.6), filcon IV I (BC 8.7) and ocufilcon D in people with Myopia, run by CooperVision, Inc. at 1 site in Mexico.

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 13 inclusion and 23 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 6 Feb 2018. 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 Mexico. 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 6 Feb 2018). 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?

Centration - Pair One (time frame: Baseline and 1 hour). The study lists 20 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 6 Feb 2018.

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