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AstigmatismNCT01552876

Comparative Clinical Evaluation of Soft Toric Lens Designs

A study testing etafilcon A, nelfilcon A and Filcon II 3 in people with Astigmatism and Myopia, run by Johnson & Johnson Vision Care, Inc. at 1 site in United Kingdom.

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

This study is evaluating the initial fit of toric contact lenses. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Astigmatism, Myopia
What is being tested?
etafilcon A, nelfilcon A and Filcon II 3
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
42 participants
Where
1 siteUnited Kingdom
Study dates
Feb 2012to Apr 2012
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

  • Be greater than or equal to 18 years old.
  • Read, understand, and sign written Statement of Informed Consent.
  • Appear able and willing to adhere to the instructions set forth in this clinical protocol.
  • Be existing soft contact lens wearers (no extended wear in the last 3 months, but silicone hydrogels in daily wear are allowed).
  • Require a visual correction in both eyes (monovision allowed but no monofit).
  • Have a spherical contact lens requirement in the range -0.50D to -6.00D.
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  • Have astigmatism of between -0.50 and -2.00DC in both eyes.
  • Monocular distance visual acuity correctable to 6/9 (0.2 logMAR) or better in each eye with best sphero-cylindrical refraction.
  • Have normal eyes with no evidence of any ocular abnormality or disease. For the purposes of this study a normal eye is defined as one having: Clear cornea, No anterior segment disorder, No clinically significant slit lamp findings (i.e. oedema, staining, scarring, vascularisation, infiltrates or abnormal opacities), No other active ocular disease or recent surgery

Who cannot join

  • Having worn RGP contact lenses within the last 30 days or PMMA contact lenses within the last 3 months.
  • Clinically significant corneal oedema, corneal vascularisation, corneal staining, tarsal abnormalities, bulbar injection or any other abnormality of the cornea that would contraindicate contact lens wear.
  • Extended lens wear in last 3 months.
  • Any systemic or topical medications that will in the investigator's opinion affect ocular physiology or contact lens performance.
  • Any systemic disease affecting ocular health.
  • Abnormal lacrimal secretions.
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  • Keratoconus or other corneal irregularity.
  • Pregnancy, lactating or planning a pregnancy at the time of enrolment.
  • Participation in any concurrent clinical trial.
  • Any previous anterior ocular surgery.
  • Subjects who are known to have an infectious systemic disease (e.g., hepatitis, tuberculosis).
  • Subjects who are known to have an immunosuppressive disease (e.g., HIV positive).
  • Subjects who are known to have diabetes.
  • Employees or family members of the Research site, Principal Investigator or study team.

Trial locations and contacts

1 site in 1 country.

United Kingdom1 site
  • Study site

    Farnham, GU9 7EN

Other trials in United Kingdom

About this study

This study is evaluating the initial fit of toric contact lenses.

Conditions
Astigmatism, Myopia
Being tested
etafilcon A, nelfilcon A, Filcon II 3
Medical subject headings
Astigmatism, Myopia

What participants receive

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

  • etafilcon ADevice

    Also called 1-DAY ACUVUE MOIST for Astigmatism

    A daily wear contact lens

  • nelfilcon ADevice

    Also called Focus Dailies Toric All Day Comfort

    A daily wear contact lens

  • Filcon II 3Device

    Also called Clariti(TM) 1 day Toric

    a daily disposable

Study groups in NCT01552876
Study groupRoleWhat they receive
etafilcon A / nelfilcon A / Filcon II 3Otheretafilcon A worn first then nelfilcon A worn second with Filcon II 3 worn third.
Receives: Device: etafilcon A; Device: nelfilcon A; Device: Filcon II 3
nelfilcon A / etafilcon A / Filcon II 3Othernelfilcon A worn first then etafilcon A worn second with Filcon II 3 worn third.
Receives: Device: etafilcon A; Device: nelfilcon A; Device: Filcon II 3

What is being measured

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

  1. Phase I: Absolute Lens Rotation

    At 1-min after lens insertion, lens orientation position was assessed on a scale of 0-180 degree on both eyes.

    Measured: At 1-min after lens insertion during Phase I

  2. Phase I: Absolute Lens Rotation

    Lens orientation position as assessed on a scale of 0-180 on both eyes.

    Measured: 3 min after lens insertion during Phase I

Secondary outcomes (2)
  1. Phase I: Time to Lens Settling

    With random insertion and natural blinking, the slit lamp video was used to measure the time of lens settling.

    Measured: 5 minutes after lens insertion during Phase I

  2. Phase I: Number of Blinks Until Settled

    Number of blinks for the right eye was counted until lens settling using headcam video.

    Measured: Baseline to 5 minutes during Phase I

Timeline

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

  1. First posted13 Mar 2012 (estimated)
  2. Study startFeb 2012
  3. Primary completionApr 2012
  4. Study completionApr 2012

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
42 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01552876
Sponsor's protocol ID
CR-4582
Status last verified
May 2015
First submitted
9 Mar 2012
Last updated
19 Jun 2018
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A study testing etafilcon A, nelfilcon A and Filcon II 3 in people with Astigmatism and Myopia, run by Johnson & Johnson Vision Care, Inc. at 1 site in United Kingdom.

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 14 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 Jun 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 United Kingdom. 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 15 Aug 2014). 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?

Phase I: Absolute Lens Rotation (time frame: At 1-min after lens insertion during Phase I). The study lists 2 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 19 Jun 2018.

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