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Refractive ErrorNCT02388763

Clinical Evaluation of MyDay™ and 1-DAY ACUVUE® TruEye®

A study testing Stenfilcon A contact lenses and Narafilcon A contact lenses in people with Refractive Error, run by Alcon Research.

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 functional vision of 2 daily disposable silicone hydrogel contact lenses using Time Controlled Visual Acuity (TCVA) measurements at high luminance and high contrast after 10+/-3 days of wear post 3 hour exposure to a reduced humidity environment. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Refractive Error
What is being tested?
Stenfilcon A contact lenses and Narafilcon A contact lenses
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
66 participants
Where
No sites listed yet
Study dates
Apr 2015to Sep 2015
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

  • Must sign informed consent form.
  • Adapted, current soft silicone hydrogel daily disposable contact lens wearer during the last 2 months.
  • Willing to wear lenses every day or at least 5 days per week 6 hours per day.
  • Willing to discontinue artificial tears and rewetting drops usage on the days of study visits.
  • Other protocol-specified inclusion criteria may apply.

Who cannot join

  • Monocular (only 1 eye with functional vision) or fit with only 1 lens.
  • Pregnant or lactating.
  • Current MyDay™ or 1DAY ACUVUE® TruEye® lens wearer.
  • Any abnormal ocular condition as specified in the protocol.
  • Other protocol-specified exclusion criteria may apply.

About this study

Official title: Clinical Evaluation of MyDay™ Daily Disposable Silicone Hydrogel Contact Lenses

The purpose of this study is to evaluate the functional vision of 2 daily disposable silicone hydrogel contact lenses using Time Controlled Visual Acuity (TCVA) measurements at high luminance and high contrast after 10+/-3 days of wear post 3 hour exposure to a reduced humidity environment.

Read the detailed description

After randomization, participants attended a baseline visit to include a 3 hour exposure to reduced humidity environment. The participant's habitual lenses were worn for the baseline visit.

Being tested
Stenfilcon A contact lenses, Narafilcon A contact lenses
Keywords
Contact lenses
Medical subject headings
Refractive Errors

What participants receive

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

  • Stenfilcon A contact lensesDevice

    Also called MyDay™

    Contact lenses worn during Period 1 or 2, as randomized

  • Narafilcon A contact lensesDevice

    Also called 1-DAY ACUVUE® TruEye®

    Contact lenses worn during Period 1 or 2, as randomized

Study groups in NCT02388763
Study groupRoleWhat they receive
MyDay, then 1DAVTEOtherStenfilcon A contact lenses, followed by narafilcon A contact lenses. Each product worn bilaterally (in both eyes) for 10 days in a daily wear, daily disposable modality.
Receives: Device: Stenfilcon A contact lenses; Device: Narafilcon A contact lenses
1DAVTE, then MyDayOtherNarafilcon A contact lenses, followed by stenfilcon A contact lenses. Each product worn bilaterally for 10 days in a daily wear, daily disposable modality.
Receives: Device: Stenfilcon A contact lenses; Device: Narafilcon A contact lenses

What is being measured

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

  1. High Contrast Time-Controlled Visual Acuity (TCVA) (VA Unit) Post-Exposure to Reduced Humidity at Day 10

    High contrast TCVA was assessed after 3 hours exposure to reduced humidity environment. TCVA test was performed at 4 meters under high illumination (90%) using a Landolt ring test. For each acuity level, a series of single rings with gaps in one of four directions was presented and the percentage of correctly identified rings constituted the score. TCVA was measured in VA units and a higher TCVA value indicates an improvement in visual acuity. Both eyes contributed to the analysis.

    Measured: Day 10, each product

Secondary outcomes (1)
  1. High Contrast TCVA (VA Unit) Pre-Exposure to Reduced Humidity at Day 10

    High contrast TCVA was assessed after 3 hours exposure to normal environment and prior to exposure to reduced humidity environment. Both eyes contributed to the analysis.

    Measured: Day 10, each product

Timeline

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

  1. First posted17 Mar 2015 (estimated)
  2. Study startApr 2015
  3. Primary completionSep 2015
  4. Study completionSep 2015

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
Outcomes assessor
Enrolment
66 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02388763
Sponsor's protocol ID
CLY838-P001
Status last verified
Oct 2016
First submitted
10 Mar 2015
Last updated
5 Dec 2016
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A study testing Stenfilcon A contact lenses and Narafilcon A contact lenses in people with Refractive Error, run by Alcon Research.

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 5 inclusion and 5 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 5 Dec 2016. Status can change between updates, so confirm with the study contact before making plans.

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 19 Oct 2016). 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?

High Contrast Time-Controlled Visual Acuity (TCVA) (VA Unit) Post-Exposure to Reduced Humidity at Day 10 (time frame: Day 10, each product). 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 5 Dec 2016.

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