CClinicalTrials.gg
CompletedNCT01300767Updated Jul 10, 2012Results posted

Four Week Performance Comparison Between Two Commercially Available Silicone Hydrogel Lenses

An interventional study of Lotrafilcon B contact lens (AIR OPTIX® AQUA) and Balafilcon A contact lens (PureVision® 2) in Myopia, sponsored by CIBA VISION. Completed. Per ClinicalTrials.gov, last updated 2012-07-10.

Sponsored by CIBA VISION · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
75
Allocation
Randomized
Sex
All
01

Study summary

The purpose of this study is to compare the performance of two commercially marketed contact lenses when worn for up to 4 weeks in a daily wear modality.

02

Conditions studied

  • Myopia

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03

In context

Myopia

983 studies on the registry are indexed under Myopia; 209 are open to participants now.

This study's enrollment of 75 is close to the median of 80 across 782 interventional studies indexed under Myopia.

Browse Myopia studies →

Lead sponsor

CIBA VISION is the lead sponsor of 51 studies on the registry; none are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
Child (0–17), Adult (18–64), Older adult (65+)
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Habitual spherical soft contact lens wearer who wears a contact lens brand with a recommended replacement schedule of 2 weeks or greater.
  • Have a need for correction in both eyes and be correctable to at least 20/40 distance vision in each eye at the dispense of study lenses.
  • Willing and able to wear spherical contact lenses within the available range of powers.
  • Wears contact lenses at least 5 days per week and at least 10 hours per day, removing them nightly.
  • Other protocol-defined inclusion criteria may apply.

Exclusion criteria

Exclusion Criteria:

  • Eye injury or surgery within twelve weeks prior to enrollment.
  • Currently enrolled in any clinical trial.
  • Any use of medications for which contact lens wear could be contraindicated as determined by the investigator.
  • Astigmatism of 1.00D or more.
  • Currently wearing contact lenses in a daily disposable modality.
  • Currently wearing AIR OPTIX AQUA or PureVision 2 contact lenses
  • Currently sleeping overnight in contact lenses on an occasional or extended wear basis.
  • Other protocol-defined exclusion criteria may apply.
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Single group
Masking
Single (Participant)
Enrollment
75 participants (actual)

Study arms

  • Experimental
    Lotrafilcon B

    Lotrafilcon B commercially marketed contact lens randomly assigned to one eye, with balafilcon A commercially marketed contact lens in the fellow eye for contralateral wear. Lenses were worn for approximately 5 days or more per week, at least 10 hours per day, for up to 4 weeks in a daily wear (DW) modality.

    Device: Lotrafilcon B contact lens (AIR OPTIX® AQUA) · Device: Contact lens solution (Clear Care®)

  • Active comparator
    Balafilcon A

    Balafilcon A commercially marketed contact lens randomly assigned to one eye, with lotrafilcon B commercially marketed contact lens in the fellow eye for contralateral wear. Lenses were worn for approximately 5 days or more per week, at least 10 hours per day, for up to 4 weeks in a daily wear (DW) modality.

    Device: Balafilcon A contact lens (PureVision® 2) · Device: Contact lens solution (Clear Care®)

Interventions

  • DeviceLotrafilcon B contact lens (AIR OPTIX® AQUA)

    Silicone hydrogel, single vision contact lens worn in one eye in a daily wear modality for approximately 5 days or more per week, at least 10 hours per day, for up to 4 weeks.

    Also known as: AIR OPTIX® AQUA

  • DeviceBalafilcon A contact lens (PureVision® 2)

    Silicone hydrogel, single vision contact lens worn in one eye in a daily wear modality for approximately 5 days or more per week, at least 10 hours per day, for up to 4 weeks.

    Also known as: PureVision® 2

  • DeviceContact lens solution (Clear Care®)

    Hydrogen peroxide-based system used for cleaning, disinfection and overnight storage of the study contact lenses.

    Also known as: Clear Care®

06

What researchers measure

Primary outcomes

  1. Comfort on Insertion

    As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Comfort on insertion was graded on a 10-point scale, with 1 being poor and 10 being excellent.

    Time frame: 4 weeks

  2. Comfort During the Day

    As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Comfort during the day was graded on a 10-point scale, with 1 being poor and 10 being excellent.

    Time frame: 4 weeks

  3. Comfort at End of Day

    As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Comfort at end of day was graded on a 10-point scale, with 1 being poor and 10 being excellent.

    Time frame: 4 weeks

  4. Overall Comfort

    As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Overall comfort was graded on a 10-point scale, with 1 being poor and 10 being excellent.

    Time frame: 4 weeks

  5. Daytime Vision

    As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Daytime vision was graded on a 10-point scale, with 1 being poor and 10 being excellent.

    Time frame: 4 weeks

  6. Low Light Vision

    As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Low light vision was graded on a 10-point scale, with 1 being poor and 10 being excellent.

    Time frame: 4 weeks

  7. Handling on Insertion

    As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Handling on insertion was graded on a 10-point scale, with 1 being difficult and 10 being easy.

    Time frame: 4 weeks

  8. Handling at Removal

    As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Handling at removal was graded on a 10-point scale, with 1 being difficult and 10 being easy.

    Time frame: 4 weeks

  9. Delivers a Healthy, Natural Feeling

    As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Delivers a healthy, natural feeling was graded on a 10-point scale, with 1 being poor and 10 being excellent.

    Time frame: 4 weeks

  10. Lens Awareness

    As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Lens awareness was graded on a 10-point scale, with 1 being very aware and 10 being not aware.

    Time frame: 4 weeks

  11. Overall Satisfaction

    As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Overall satisfaction was graded on a 10-point scale, with 1 being poor and 10 being excellent.

    Time frame: 4 weeks

  12. Purchase Intent

    As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. The participant was asked, "How likely would you be to purchase these lenses?" Purchase intent was graded on a 5-point Likert scale: Definitely would purchase, probably would purchase, may or may not purchase, probably would not purchase, definitely would not purchase. The Top-2-box response (definitely would purchase, probably would purchase) was calculated and reported as a percentage of all responses.

    Time frame: 4 weeks

07

Results

Posted May 9, 2012

Participant flow

Participants were recruited from 5 US study centers.

Participant flow — Overall Study
MilestoneLotrafilcon B /Balafilcon A
Started74
Completed70
Not completed4
Withdrew: Discomfort2
Withdrew: Biomicroscopy1
Withdrew: Unacceptable fit1

Outcome measures

PrimaryComfort on Insertion

As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Comfort on insertion was graded on a 10-point scale, with 1 being poor and 10 being excellent.

Time frame:
4 weeks
Reported as:
Mean · Units on a Scale
Comfort on Insertion
Units on a ScaleLotrafilcon BBalafilcon A
Comfort on Insertion8.3 ± 1.67.5 ± 2.0
PrimaryComfort During the Day

As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Comfort during the day was graded on a 10-point scale, with 1 being poor and 10 being excellent.

Time frame:
4 weeks
Reported as:
Mean · Units on a Scale
Comfort During the Day
Units on a ScaleLotrafilcon BBalafilcon A
Comfort During the Day7.9 ± 1.87.2 ± 2.0
PrimaryComfort at End of Day

As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Comfort at end of day was graded on a 10-point scale, with 1 being poor and 10 being excellent.

Time frame:
4 weeks
Reported as:
Mean · Units on a Scale
Comfort at End of Day
Units on a ScaleLotrafilcon BBalafilcon A
Comfort at End of Day7.1 ± 2.36.4 ± 2.3
PrimaryOverall Comfort

As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Overall comfort was graded on a 10-point scale, with 1 being poor and 10 being excellent.

Time frame:
4 weeks
Reported as:
Mean · Units on a Scale
Overall Comfort
Units on a ScaleLotrafilcon BBalafilcon A
Overall Comfort7.7 ± 1.96.9 ± 2.1
PrimaryDaytime Vision

As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Daytime vision was graded on a 10-point scale, with 1 being poor and 10 being excellent.

Time frame:
4 weeks
Reported as:
Mean · Units on a Scale
Daytime Vision
Units on a ScaleLotrafilcon BBalafilcon A
Daytime Vision8.7 ± 1.48.5 ± 1.5
PrimaryLow Light Vision

As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Low light vision was graded on a 10-point scale, with 1 being poor and 10 being excellent.

Time frame:
4 weeks
Reported as:
Mean · Units on a Scale
Low Light Vision
Units on a ScaleLotrafilcon BBalafilcon A
Low Light Vision8.5 ± 1.48.3 ± 1.6
PrimaryHandling on Insertion

As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Handling on insertion was graded on a 10-point scale, with 1 being difficult and 10 being easy.

Time frame:
4 weeks
Reported as:
Mean · Units on a Scale
Handling on Insertion
Units on a ScaleLotrafilcon BBalafilcon A
Handling on Insertion8.5 ± 1.87.5 ± 2.4
PrimaryHandling at Removal

As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Handling at removal was graded on a 10-point scale, with 1 being difficult and 10 being easy.

Time frame:
4 weeks
Reported as:
Mean · Units on a Scale
Handling at Removal
Units on a ScaleLotrafilcon BBalafilcon A
Handling at Removal8.5 ± 1.87.9 ± 2.2
PrimaryDelivers a Healthy, Natural Feeling

As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Delivers a healthy, natural feeling was graded on a 10-point scale, with 1 being poor and 10 being excellent.

Time frame:
4 weeks
Reported as:
Mean · Units on a Scale
Delivers a Healthy, Natural Feeling
Units on a ScaleLotrafilcon BBalafilcon A
Delivers a Healthy, Natural Feeling7.9 ± 2.06.8 ± 2.5
PrimaryLens Awareness

As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Lens awareness was graded on a 10-point scale, with 1 being very aware and 10 being not aware.

Time frame:
4 weeks
Reported as:
Mean · Units on a Scale
Lens Awareness
Units on a ScaleLotrafilcon BBalafilcon A
Lens Awareness7.7 ± 2.36.2 ± 2.8
PrimaryOverall Satisfaction

As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. Overall satisfaction was graded on a 10-point scale, with 1 being poor and 10 being excellent.

Time frame:
4 weeks
Reported as:
Mean · Units on a Scale
Overall Satisfaction
Units on a ScaleLotrafilcon BBalafilcon A
Overall Satisfaction7.8 ± 2.16.6 ± 2.3
PrimaryPurchase Intent

As interpreted and recorded by the participant on a questionnaire as a single, retrospective evaluation of 4 weeks of wear. The participant was asked, "How likely would you be to purchase these lenses?" Purchase intent was graded on a 5-point Likert scale: Definitely would purchase, probably would purchase, may or may not purchase, probably would not purchase, definitely would not purchase. The Top-2-box response (definitely would purchase, probably would purchase) was calculated and reported as a percentage of all responses.

Time frame:
4 weeks
Reported as:
Number · Percent likely to purchase
Purchase Intent
Percent likely to purchaseLotrafilcon BBalafilcon A
Purchase Intent64.335.7

Adverse events

Collected over Adverse events were collected for the duration of the trial: 09 FEB 2011 to 07 APR 2011.. Non-serious events are listed at a 5% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Lotrafilcon B—0/74 (0%)0/74 (0%)
Balafilcon A—0/74 (0%)0/74 (0%)

Baseline characteristics

Age Continuous
Age Continuous(years)Lotrafilcon B /Balafilcon A
Mean32.8 ± 10.1
Sex: Female, Male
Sex: Female, Male(Participants)Lotrafilcon B /Balafilcon A
Female54
Male20
08

Study locations

No study locations are listed for this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jul 10, 2012, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT01300767
Lead sponsor
CIBA VISION
Responsible party
Sponsor
First posted
Feb 23, 2011
Start date
Feb 2011
Primary completion
Apr 2011
Completion
Apr 2011
Results posted
May 9, 2012
Last update
Jul 10, 2012

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

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