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Refractive ErrorNCT02289742

Tear Film Evaluation of Dailies® AquaComfort Plus® Multifocal and Toric

A study testing Nelfilcon A multifocal contact lenses, Nelfilcon A toric contact lenses and Nelfilcon A sphere 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 pre lens tear film characteristics of DAILIES® Aqua Comfort Plus® Multifocal (DACP MF) and Toric (DACP Toric) compared to DAILIES® Aqua Comfort Plus® Sphere (DACP) daily disposable contact lenses over 12 hours of lens wear. 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?
Nelfilcon A multifocal contact lenses, Nelfilcon A toric contact lenses and Nelfilcon A sphere contact lenses
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
48 participants
Where
No sites listed yet
Study dates
Dec 2014to Mar 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 an informed consent document;
  • Adapted, current soft contact lens wearer with either:
  • A spectacle add between +0.50 and +2.50 (inclusive) [Presbyopes group]
  • A spherical correction of an astigmatism up to 20% of the amount of the sphere [Astigmats group];
  • Contact lens prescription in the power range specified in the protocol;
  • Vision correctable to 0.2 logMAR (logarithmic minimal angle for resolution) or better in each eye at distance with pre-study lenses or manifest refraction at Visit 1;
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  • Willing to wear study lenses up to 12 hours and attend all study visits;
  • Can be successfully fitted with study lenses;
  • Other protocol-specified inclusion criteria may apply.

Who cannot join

  • Any ocular anterior segment infection, inflammation, abnormality, or active disease that would contraindicate contact lens wear;
  • Use of systemic or ocular medications for which contact lens wear could be contraindicated as determined by the investigator;
  • Use of artificial tears and rewetting drops during the study;
  • Monocular (only 1 eye with functional vision) or fit with only 1 lens;
  • Any abnormal ocular condition observed during the Visit 1 slit-lamp examination;
  • History of herpetic keratitis, ocular surgery, or irregular cornea;
Show all 10Show fewer
  • Pregnant or lactating;
  • Unstable tear film with a NIK-BUT value below 8 seconds in either eye without lenses;
  • Participation in any clinical study within 30 days of Visit 1;
  • Other protocol-specified exclusion criteria may apply.

About this study

Official title: Characterization of Pre-Lens Tear Film Stability of Daily Disposable Multifocal and Toric Contact Lenses Using Ring Mire Projection

The purpose of this study is to evaluate the pre lens tear film characteristics of DAILIES® Aqua Comfort Plus® Multifocal (DACP MF) and Toric (DACP Toric) compared to DAILIES® Aqua Comfort Plus® Sphere (DACP) daily disposable contact lenses over 12 hours of lens wear.

Read the detailed description

Two population groups (presbyopes and astigmats) will be enrolled in the study.

Being tested
Nelfilcon A multifocal contact lenses, Nelfilcon A toric contact lenses, Nelfilcon A sphere contact lenses
Keywords
Dailies AquaComfort Plus® Multifocal (DACP MF), Dailies AquaComfort Plus® Toric (DACP Toric), tear film stability, Non-Invasive Keratograph Break-Up Time (NIK-BUT)
Medical subject headings
Refractive Errors

What participants receive

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

  • Nelfilcon A multifocal contact lensesDevice

    Also called DAILIES® AquaComfort Plus® Multifocal, DACP MF

  • Nelfilcon A toric contact lensesDevice

    Also called DAILIES® AquaComfort Plus® Toric, DACP Toric

  • Nelfilcon A sphere contact lensesDevice

    Also called DAILIES® AquaComfort Plus®, DACP

Study groups in NCT02289742
Study groupRoleWhat they receive
Arm1: PresbyopesOtherNelfilcon A contact lenses (multifocal and sphere) worn as randomized in a crossover design during Periods 1 and 2, with nelfilcon A sphere contact lenses in Period 3. Each product worn bilaterally (in both eyes) for 12 hours.
Receives: Device: Nelfilcon A multifocal contact lenses; Device: Nelfilcon A sphere contact lenses
Arm2: AstigmatsOtherNelfilcon A contact lenses (toric and sphere) worn as randomized in a crossover design during Periods 1 and 2, with nelfilcon A sphere contact lenses in Period 3. Each product worn bilaterally (in both eyes) for 12 hours.
Receives: Device: Nelfilcon A toric contact lenses; Device: Nelfilcon A sphere contact lenses

What is being measured

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

  1. Percentage of Subjects With Wettability Grade of 2 or 3 After 12 Hours of Wear

    A video was made to capture a visual demonstration of tear film characteristics in between blinks. The investigator graded contact lens surface wettability using a scale from 0 (fully wettable) to 3 (clearly visible distortions) at 5, 10, 15, 20 and 25 seconds post-blink by region (central, superior, nasal, inferior, and temporal). Three independent measurements (3 blinks) were carried out. An average was taken over the 3 measurements, 5 regions, and 5 time points. One eye contributed to the analysis.

    Measured: Hour 12, each product

Secondary outcomes (1)
  1. Percentage of Subjects With Wettability Grade of 2 or 3 After 8 Hours of Wear

    A video was made to capture a visual demonstration of tear film characteristics in between blinks. The investigator graded contact lens surface wettability using a scale from 0 (fully wettable) to 3 (clearly visible distortions) at 5, 10, 15, 20 and 25 seconds post-blink by region (central, superior, nasal, inferior, and temporal). Three independent measurements (3 blinks) were carried out. An average was taken over the 3 measurements, 5 regions, and 5 time points. One eye contributed to the analysis.

    Measured: Hour 8, 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 posted13 Nov 2014 (estimated)
  2. Study startDec 2014
  3. Primary completionMar 2015
  4. Study completionMar 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
Double blind
Who is masked
Participant, Investigator
Enrolment
48 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02289742
Sponsor's protocol ID
M-14-010
Status last verified
Jun 2016
First submitted
10 Nov 2014
Last updated
26 Jul 2016
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A study testing Nelfilcon A multifocal contact lenses, Nelfilcon A toric contact lenses and Nelfilcon A sphere 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 9 inclusion and 10 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 26 Jul 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 26 Jul 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?

Percentage of Subjects With Wettability Grade of 2 or 3 After 12 Hours of Wear (time frame: Hour 12, 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 26 Jul 2016.

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