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PresbyopiaNCT01250054

Comparison of Two Multifocal Contact Lenses

A study testing Lotrafilcon B contact lens and Comfilcon A contact lens in people with Presbyopia, run by CIBA VISION.

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 compare two multifocal contact lenses in presbyopic wearers. Read more about this study

Who is it for?
Ages 35 years and older
Conditions the study is for
Presbyopia
What is being tested?
Lotrafilcon B contact lens and Comfilcon A contact lens
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
17 participants
Where
No sites listed yet
Study dates
Oct 2010to Oct 2010
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 35 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • At least 35 years of age.
  • Sign written Informed Consent
  • Spectacle add of +0.50 to +2.50D.
  • Best corrected visual acuity of at least 20.30 in both eyes.
  • Currently wearing soft contact lenses at least 5 days per week.
  • Other protocol-defined inclusion criteria may apply.

Who cannot join

  • Eye injury or surgery within twelve weeks of enrollment.
  • Currently enrolled in any clinical trial.
  • Astigmatism > 1.00D.
  • Strabismus/amblyopia.
  • Other protocol-defined exclusion criteria may apply.

About this study

The purpose of this study is to compare two multifocal contact lenses in presbyopic wearers.

Conditions
Presbyopia
Being tested
Lotrafilcon B contact lens, Comfilcon A contact lens
Medical subject headings
Presbyopia

What participants receive

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

  • Lotrafilcon B contact lensDevice

    Also called AIR OPTIX AQUA MULTIFOCAL

    Commercially marketed, silicone hydrogel, multifocal contact lens for daily wear use

  • Comfilcon A contact lensDevice

    Also called BIOFINITY MULTIFOCAL

    Commercially marketed (Europe), silicone hydrogel, multifocal contact lens for daily wear use

Study groups in NCT01250054
Study groupRoleWhat they receive
Lotrafilcon B / Comfilcon AOtherLotrafilcon B multifocal contact lenses worn first, with comfilcon A multifocal contact lenses worn second. Each product worn bilaterally on a daily wear basis for one week.
Receives: Device: Lotrafilcon B contact lens; Device: Comfilcon A contact lens
Comfilcon A /Lotrafilcon BOtherComfilcon A multifocal contact lenses worn first, with lotrafilcon B multifocal contact lenses worn second. Each product worn bilaterally on a daily wear basis for one week.
Receives: Device: Lotrafilcon B contact lens; Device: Comfilcon A contact lens

What is being measured

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

  1. Overall Vision

    Overall vision, as interpreted by the participant and recorded by the investigator as a single, retrospective evaluation of one week's wear time. Overall vision was measured on a 10-point scale, with 1 being worst and 10 being best.

    Measured: One week of wear

Timeline

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

  1. First posted30 Nov 2010 (estimated)
  2. Study startOct 2010
  3. Primary completionOct 2010
  4. Study completionOct 2010

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
17 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01250054
Sponsor's protocol ID
P-319-C-018
Status last verified
Jul 2011
First submitted
29 Nov 2010
Last updated
29 Jun 2012
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A study testing Lotrafilcon B contact lens and Comfilcon A contact lens in people with Presbyopia, run by CIBA VISION.

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 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 29 Jun 2012. 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 12 Aug 2011). 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?

Overall Vision (time frame: One week of wear). 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 29 Jun 2012.

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