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MyopiaNCT03134599

Comparison of Clinical Performance and Subjective Preference of Three Contact Lenses

A study testing etafilcon A, methafilcon A - Interozzo and methafilcon A - CVI (CooperVision) in people with Myopia, run by CooperVision, Inc. at 1 site in South Korea.

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 evaluate the clinical performance and subject's preference out of three LRE (Limbal Ring Enhancing) lens types: etafilcon A (Johnson\&Johnson), methafilcon A (Interozzo), and methafilcon A (CooperVision). Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Myopia
What is being tested?
etafilcon A, methafilcon A - Interozzo and methafilcon A - CVI (CooperVision)
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
60 participants
Where
1 siteSouth Korea
Study dates
23 May 2017to 24 Jun 2017
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 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Age of 18 years and above and has full legal capacity as a volunteer Understand the rights as a research subject and willing and able sign a statement of informed consent
  • Existing soft contact lens wearers or previous experience of contact lens wear
  • Being able to wear the study lenses for at least eight hours a day
  • At least 6/9 visual acuity in each eye with the study lenses
  • Astigmatism less than 1.50 D (Diopter) in both eyes
  • Agreed to follow the protocol and not to participate in other clinical research for the duration of this study

Who cannot join

  • Have an ocular disorder which would normally contraindicate contact lens wear
  • Have a systemic disorder or any infectious diseases which would normally contraindicate contact lens wear
  • Have previously had any ocular surgery such as corneal refractive surgery
  • Have less than 6/9 visual acuity in each eye with the study lenses
  • Are currently using any topical medication such as eye drops or ointment
  • Have any corneal distortion resulting from previous rigid lens wear or have keratoconus
  • Are currently pregnant or lactating
  • No previous contact lens wear

Trial locations and contacts

1 site in 1 country.

South Korea1 site
  • School of Optometry & Vision Science, Catholic University of Daegu, Korea (Rep)

    Daegu

Other trials in South Korea

About this study

Official title: Comparison of Clinical Performance and Subjective Preference Out of Three Cosmetic Contact Lenses (Limbal Ring-enhancing Lenses, LRE Lenses)

The purpose of this study is to evaluate the clinical performance and subject's preference out of three LRE (Limbal Ring Enhancing) lens types: etafilcon A (Johnson\&Johnson), methafilcon A (Interozzo), and methafilcon A (CooperVision).

Read the detailed description

This will be a subject-masked, bilateral, randomized, crossover dispensing study to compare clinical performance and subjective preference out of three lens types. Sixty subjects will be assigned into three groups and each group will wear the test and control lenses as matched pairs for one week in random order. Lenses will be worn on a daily wear, daily disposable schedule.

Conditions
Myopia
Being tested
etafilcon A, methafilcon A - Interozzo, methafilcon A - CVI (CooperVision)
Medical subject headings
Myopia

What participants receive

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

  • etafilcon ADevice

    contact lens

  • methafilcon A - InterozzoDevice

    contact lens

  • methafilcon A - CVI (CooperVision)Device

    contact lens

Study groups in NCT03134599
Study groupRoleWhat they receive
etafilcon AActive comparatorNot described
Receives: Device: etafilcon A
methafilcon A - InterozzoActive comparatorNot described
Receives: Device: methafilcon A - Interozzo
methafilcon A - CVIActive comparatorNot described
Receives: Device: methafilcon A - CVI (CooperVision)

What is being measured

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

  1. Comfort

    Subjective ratings of comfort for each lens pair was assessed. Scale 0-100, 0=causes pain, 100=very comfortable.

    Measured: 1 week per intervention

Timeline

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

  1. First posted1 May 2017
  2. Study start23 May 2017
  3. Primary completion24 Jun 2017
  4. Study completion24 Jun 2017

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
Masking
Single blind
Who is masked
Participant
Enrolment
60 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03134599
Sponsor's protocol ID
CV_BSCHU
Status last verified
Dec 2019
First submitted
26 Apr 2017
Last updated
19 Dec 2019
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A study testing etafilcon A, methafilcon A - Interozzo and methafilcon A - CVI (CooperVision) in people with Myopia, run by CooperVision, Inc. at 1 site in South Korea.

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 6 inclusion and 8 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 19 Dec 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 South Korea. 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 22 Feb 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: 1 week per intervention). 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 19 Dec 2019.

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