The Effect of Masking on Subjective Results During Daily Disposable Contact Lens Studies (ARGON)

June 26, 2012 updated by: CIBA VISION
The purpose of this study is to explore the effect of masking on subjective ratings for two daily disposable contact lenses.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
134

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Canada
    • Ontario
      • Waterloo, Ontario, Canada, N2L 3G1
        • Centre for Contact Lens Research: University of Waterloo

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

17 years and older (Child, Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • 17 years of age or older.
  • Ocular exam within 2 years.
  • Currently wearing soft contact lenses on a daily wear basis.
  • Contact lens prescription between +6.00D and -10.00D.
  • Other protocol-defined inclusion criteria may apply.

Exclusion Criteria:

  • Any ocular disease.
  • Use of systemic or ocular medications that may affect ocular health.
  • Unable to achieve an acceptable fit with the study lenses.
  • Anisometropia >1.00D or astigmatism >0.75D.
  • Other protocol-defined exclusion criteria may apply.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Active Comparator: Nelfilcon A, Masked, Unmasked
Nelfilcon A worn in adaptation phase (bilaterally, 30 days). Period 1: 1DAVM and DACP (masked) worn contralaterally in random assignment for 3 days. Period 2: 1DAVM and DACP (unmasked) worn contralaterally, same assignment, 3 days. All products worn in a daily wear, daily disposable mode.
Device: Nelfilcon A contact lens
Commercially marketed, soft, hydrogel contact lens for daily wear, daily disposable use. Blister pack label and lens packaging visible to participant. Lenses inserted and removed by participant.
Other Names:
  • Focus DAILIES®
Device: Nelfilcon A contact lens with comfort additive (DACP), unmasked
Commercially marketed, soft, hydrogel contact lens with comfort additive for daily wear, daily disposable use. Blister pack label and lens packaging visible to participant. Lenses and removed inserted by participant.
Other Names:
  • DAILIES® AquaComfort Plus®
Device: Nelfilcon A contact lens with comfort additive (DACP), masked
Commercially marketed, soft, hydrogel contact lens for daily wear, daily disposable use. Blister pack label and packaging not visible to participant. Lenses inserted and removed by the investigator.
Other Names:
  • DAILIES® AquaComfort Plus®
Device: Etafilcon A contact lens with comfort additive (1DAVM), unmasked
Commercially marketed, soft, hydrogel contact lens with comfort additive for daily wear, daily disposable use. Blister pack label and lens packaging visible to participant. Lenses inserted and removed by participant.
Other Names:
  • 1-DAY ACUVUE® MOIST®
Device: Etafilcon A contact lens with comfort additive (1DAVM), masked
Commercially marketed, soft, hydrogel contact lens for daily wear, daily disposable use. Blister pack label and packaging not visible to participant. Lenses inserted and removed by the investigator.
Other Names:
  • 1-DAY ACUVUE® MOIST®
Active Comparator: Nelfilcon A, Masked, Partially Masked
Nelfilcon A worn in adaptation phase (bilaterally, 30 days). Period 1: 1DAVM and DACP (masked) worn contralaterally in random assignment for 3 days. Period 2: 1DAVM and DACP (partially masked) worn contralaterally, same assignment, 3 days. All products worn in a daily wear, daily disposable mode.
Device: Nelfilcon A contact lens
Commercially marketed, soft, hydrogel contact lens for daily wear, daily disposable use. Blister pack label and lens packaging visible to participant. Lenses inserted and removed by participant.
Other Names:
  • Focus DAILIES®
Device: Nelfilcon A contact lens with comfort additive (DACP), masked
Commercially marketed, soft, hydrogel contact lens for daily wear, daily disposable use. Blister pack label and packaging not visible to participant. Lenses inserted and removed by the investigator.
Other Names:
  • DAILIES® AquaComfort Plus®
Device: Etafilcon A contact lens with comfort additive (1DAVM), masked
Commercially marketed, soft, hydrogel contact lens for daily wear, daily disposable use. Blister pack label and packaging not visible to participant. Lenses inserted and removed by the investigator.
Other Names:
  • 1-DAY ACUVUE® MOIST®
Device: Nelfilcon A contact lens with comfort additive (DACP), partially masked
Commercially marketed, soft, hydrogel contact lens for daily wear, daily disposable use. Lens name and manufacturer on blister pack label concealed from participant. Lenses inserted and removed by the participant.
Other Names:
  • DAILIES® AquaComfort Plus®
Device: Etafilcon A contact lens with comfort additive (1DAVM), partially masked
Commercially marketed, soft, hydrogel contact lens for daily wear, daily disposable use. Lens name and manufacturer on blister pack label concealed from participant. Lenses inserted and removed by the participant.
Other Names:
  • 1-DAY ACUVUE® MOIST®
Active Comparator: Etafilcon A, Masked, Unmasked
Etafilcon A worn in adaptation phase (bilaterally, 30 days). Period 1: 1DAVM and DACP (masked) worn contralaterally in random assignment for 3 days. Period 2: 1DAVM and DACP (unmasked) worn contralaterally, same assignment, 3 days. All products worn in a daily wear, daily disposable mode.
Device: Nelfilcon A contact lens with comfort additive (DACP), unmasked
Commercially marketed, soft, hydrogel contact lens with comfort additive for daily wear, daily disposable use. Blister pack label and lens packaging visible to participant. Lenses and removed inserted by participant.
Other Names:
  • DAILIES® AquaComfort Plus®
Device: Nelfilcon A contact lens with comfort additive (DACP), masked
Commercially marketed, soft, hydrogel contact lens for daily wear, daily disposable use. Blister pack label and packaging not visible to participant. Lenses inserted and removed by the investigator.
Other Names:
  • DAILIES® AquaComfort Plus®
Device: Etafilcon A contact lens with comfort additive (1DAVM), unmasked
Commercially marketed, soft, hydrogel contact lens with comfort additive for daily wear, daily disposable use. Blister pack label and lens packaging visible to participant. Lenses inserted and removed by participant.
Other Names:
  • 1-DAY ACUVUE® MOIST®
Device: Etafilcon A contact lens with comfort additive (1DAVM), masked
Commercially marketed, soft, hydrogel contact lens for daily wear, daily disposable use. Blister pack label and packaging not visible to participant. Lenses inserted and removed by the investigator.
Other Names:
  • 1-DAY ACUVUE® MOIST®
Device: Etafilcon A contact lens
Commercially marketed, soft, hydrogel contact lens for daily wear, daily disposable use. Blister pack label and lens packaging visible to participant. Lenses inserted and removed by participant.
Other Names:
  • 1-DAY ACUVUE®
Active Comparator: Etafilcon A, Masked, Partially Masked
Etafilcon A worn in adaptation phase (bilaterally, 30 days). Period 1: 1DAVM and DACP (masked) worn contralaterally in random assignment for 3 days. Period 2: 1DAVM and DACP (partially masked) worn contralaterally, same assignment, 3 days. All products worn in a daily wear, daily disposable mode.
Device: Nelfilcon A contact lens with comfort additive (DACP), masked
Commercially marketed, soft, hydrogel contact lens for daily wear, daily disposable use. Blister pack label and packaging not visible to participant. Lenses inserted and removed by the investigator.
Other Names:
  • DAILIES® AquaComfort Plus®
Device: Etafilcon A contact lens with comfort additive (1DAVM), masked
Commercially marketed, soft, hydrogel contact lens for daily wear, daily disposable use. Blister pack label and packaging not visible to participant. Lenses inserted and removed by the investigator.
Other Names:
  • 1-DAY ACUVUE® MOIST®
Device: Nelfilcon A contact lens with comfort additive (DACP), partially masked
Commercially marketed, soft, hydrogel contact lens for daily wear, daily disposable use. Lens name and manufacturer on blister pack label concealed from participant. Lenses inserted and removed by the participant.
Other Names:
  • DAILIES® AquaComfort Plus®
Device: Etafilcon A contact lens with comfort additive (1DAVM), partially masked
Commercially marketed, soft, hydrogel contact lens for daily wear, daily disposable use. Lens name and manufacturer on blister pack label concealed from participant. Lenses inserted and removed by the participant.
Other Names:
  • 1-DAY ACUVUE® MOIST®
Device: Etafilcon A contact lens
Commercially marketed, soft, hydrogel contact lens for daily wear, daily disposable use. Blister pack label and lens packaging visible to participant. Lenses inserted and removed by participant.
Other Names:
  • 1-DAY ACUVUE®

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Average Subjective Comfort
Time Frame: Insertion, 4 hours, 8 hours each: Day 1, Day 2, and Day 3
Participants were asked, "How would you rate your comfort with your study lenses?" and indicated their response by marking a continuum line ranging from 0=very poor comfort to 100=excellent comfort. Subjective comfort was collected at three time points (insertion, 4 hours, 8 hours) for 3 days, and the comfort ratings were averaged together.
Insertion, 4 hours, 8 hours each: Day 1, Day 2, and Day 3

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
CIBA VISION

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
May 1, 2010

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
February 1, 2011

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
February 1, 2011

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
June 30, 2010

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
July 1, 2010

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
July 2, 2010

Study Record Updates

Last Update Posted (Estimate)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
July 10, 2012

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
June 26, 2012

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
April 1, 2012

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • P-371-C-101

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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