A Lifestyle Investigation With Spectacles and Daily Disposable Contact Lenses in Young Patients

Sponsor
CIBA VISION (Industry)
Overall Status
Completed
CT.gov ID
NCT01445652
Collaborator
University of Manchester (Other)
113
1
2
9
12.6

Study Details

Study Description

Brief Summary

The purpose of this study was to evaluate the relative benefits of daily disposable contact lenses versus spectacles in young adults.

Condition or Disease Intervention/Treatment Phase
  • Device: nelfilcon A contact lens
  • Other: Spectacles
N/A

Study Design

Study Type:
Interventional
Actual Enrollment :
113 participants
Allocation:
Randomized
Intervention Model:
Parallel Assignment
Masking:
None (Open Label)
Primary Purpose:
Treatment
Official Title:
A Lifestyle Investigation With Spectacles and Daily Disposable Contact Lenses in Young Patients
Study Start Date :
Sep 1, 2011
Actual Primary Completion Date :
Jun 1, 2012
Actual Study Completion Date :
Jun 1, 2012

Arms and Interventions

Arm Intervention/Treatment
Experimental: nelfilcon A

Nelfilcon A contact lenses worn in both eyes on a daily disposable basis a minimum of five days per week, eight hours per day, for six months

Device: nelfilcon A contact lens
Commercially marketed, single vision, soft contact lens for daily disposable wear
Other Names:
  • DAILIES AQUACOMFORT PLUS
  • Active Comparator: Spectacles

    Spectacles per current prescription worn a minimum of five days per week, eight hours per day, for six months

    Other: Spectacles
    Spectacles per current prescription

    Outcome Measures

    Primary Outcome Measures

    1. Subjective Happiness With Correction Type [Month 6]

      Participant responded to an SMS message: "Please rate your happiness (H) and vision (V) with your [contact lenses/spectacles]: 1=very poor; 2=poor; 3=neither; 4=good; and 5=very good. eg H2V4. Please send N if in you are not wearing [contact lenses/spectacles]."

    2. Subjective Vision With Correction Type [Month 6]

      Participant responded to an SMS message: "Please rate your happiness (H) and vision (V) with your [contact lenses/spectacles]: 1=very poor; 2=poor; 3=neither; 4=good; and 5=very good. eg H2V4. Please send N if in you are not wearing [contact lenses/spectacles]."

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    13 Years to 19 Years
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    No
    Inclusion Criteria:
    • Understands rights as a research subject and willing and able to sign a Statement of Informed Consent, or if under 18, parent or guardian understands rights and is willing and able to sign a Statement of Informed Consent.

    • Willing and able to follow the protocol.

    • Currently wearing spectacles full-time (at least five days per week, eight hours per day).

    • Has never worn contact lenses (more than one day) before.

    • Agrees to not participate in other clinical research for the duration of this study.

    • Can attain at least 6/9 in each eye with the study optical correction.

    • Can be fitted with study lenses in the available power range (contact lens group) or can select a satisfactory spectacle lens frame and lenses (spectacle group).

    • Willing and able to wear the study lenses or spectacles for a minimum of five days per week, eight hours per day.

    • Owns or has regular access to a mobile phone and is familiar with SMS text messaging.

    • Has an up-to-date and functional pair of spectacles at time of enrollment.

    • Other protocol-defined inclusion criteria may apply.

    Exclusion Criteria:
    • Has an ocular or systemic disorder that would normally contraindicate contact lens wear.

    • Is using any topical medication such as eye drops or ointment.

    • Has had corneal refractive surgery.

    • Has had cataract surgery.

    • Has diabetes.

    • Has taken part in other clinical research within two weeks of starting the study.

    • Other protocol-defined exclusion criteria may apply.

    Contacts and Locations

    Locations

    Site City State Country Postal Code
    1 Eurolens Research Manchester United Kingdom M13 9PT

    Sponsors and Collaborators

    • CIBA VISION
    • University of Manchester

    Investigators

    • Principal Investigator: Philip Morgan, PhD MCOptom FAAO FBCLA, University of Manchester

    Study Documents (Full-Text)

    None provided.

    More Information

    Publications

    None provided.
    Responsible Party:
    CIBA VISION
    ClinicalTrials.gov Identifier:
    NCT01445652
    Other Study ID Numbers:
    • P-370-C-091 / CB11-500
    First Posted:
    Oct 4, 2011
    Last Update Posted:
    Sep 19, 2013
    Last Verified:
    Sep 1, 2013
    Additional relevant MeSH terms:

    Study Results

    Participant Flow

    Recruitment Details Participants were enrolled from one study center in the United Kingdom.
    Pre-assignment Detail Of the 113 participants enrolled, 3 were exited as screen failures prior to randomization. This reporting group includes all enrolled and randomized participants (110).
    Arm/Group Title Nelfilcon A Spectacles
    Arm/Group Description Nelfilcon A contact lenses worn in both eyes on a daily disposable basis a minimum of five days per week, eight hours per day, for six months Spectacles per current prescription worn a minimum of five days per week, eight hours per day, for six months
    Period Title: Overall Study
    STARTED 57 53
    COMPLETED 47 50
    NOT COMPLETED 10 3

    Baseline Characteristics

    Arm/Group Title Nelfilcon A Spectacles Total
    Arm/Group Description Nelfilcon A contact lenses worn in both eyes on a daily disposable basis a minimum of five days per week, eight hours per day, for six months Spectacles per current prescription worn a minimum of five days per week, eight hours per day, for six months Total of all reporting groups
    Overall Participants 57 53 110
    Age (years) [Mean (Standard Deviation) ]
    Mean (Standard Deviation) [years]
    16.2
    (1.8)
    16.3
    (2.0)
    16.2
    (1.9)
    Sex: Female, Male (Count of Participants)
    Female
    32
    56.1%
    31
    58.5%
    63
    57.3%
    Male
    25
    43.9%
    22
    41.5%
    47
    42.7%
    Region of Enrollment (participants) [Number]
    United Kingdom
    57
    100%
    53
    100%
    110
    100%

    Outcome Measures

    1. Primary Outcome
    Title Subjective Happiness With Correction Type
    Description Participant responded to an SMS message: "Please rate your happiness (H) and vision (V) with your [contact lenses/spectacles]: 1=very poor; 2=poor; 3=neither; 4=good; and 5=very good. eg H2V4. Please send N if in you are not wearing [contact lenses/spectacles]."
    Time Frame Month 6

    Outcome Measure Data

    Analysis Population Description
    This reporting group includes all participants who sent in an SMS response.
    Arm/Group Title Nelfilcon A Spectacles
    Arm/Group Description Nelfilcon A contact lenses worn in both eyes on a daily disposable basis a minimum of five days per week, eight hours per day, for six months Spectacles per current prescription worn a minimum of five days per week, eight hours per day, for six months
    Measure Participants 14 21
    Mean (Standard Deviation) [Units on a Scale]
    4.92
    (0.3)
    4.50
    (0.9)
    2. Primary Outcome
    Title Subjective Vision With Correction Type
    Description Participant responded to an SMS message: "Please rate your happiness (H) and vision (V) with your [contact lenses/spectacles]: 1=very poor; 2=poor; 3=neither; 4=good; and 5=very good. eg H2V4. Please send N if in you are not wearing [contact lenses/spectacles]."
    Time Frame Month 6

    Outcome Measure Data

    Analysis Population Description
    This reporting group includes all participants who sent in an SMS response.
    Arm/Group Title Nelfilcon A Spectacles
    Arm/Group Description Nelfilcon A contact lenses worn in both eyes on a daily disposable basis a minimum of five days per week, eight hours per day, for six months Spectacles per current prescription worn a minimum of five days per week, eight hours per day, for six months
    Measure Participants 14 21
    Mean (Standard Deviation) [Units on a scale]
    4.5
    (0.7)
    4.5
    (0.8)

    Adverse Events

    Time Frame Adverse events were collected for the duration of the study (9 months). An adverse event was defined as any unfavourable or unintended sign or symptom associated with the use of a contact lens, but not necessarily caused by the contact lens.
    Adverse Event Reporting Description This reporting group includes all enrolled and randomized participants.
    Arm/Group Title Nelfilcon A Spectacles
    Arm/Group Description Nelfilcon A contact lenses worn in both eyes on a daily disposable basis a minimum of five days per week, eight hours per day, for six months Spectacles per current prescription worn a minimum of five days per week, eight hours per day, for six months
    All Cause Mortality
    Nelfilcon A Spectacles
    Affected / at Risk (%) # Events Affected / at Risk (%) # Events
    Total / (NaN) / (NaN)
    Serious Adverse Events
    Nelfilcon A Spectacles
    Affected / at Risk (%) # Events Affected / at Risk (%) # Events
    Total 0/57 (0%) 0/53 (0%)
    Other (Not Including Serious) Adverse Events
    Nelfilcon A Spectacles
    Affected / at Risk (%) # Events Affected / at Risk (%) # Events
    Total 4/57 (7%) 0/53 (0%)
    Eye disorders
    Corneal inflammatory event 4/57 (7%) 0/53 (0%)

    Limitations/Caveats

    [Not Specified]

    More Information

    Certain Agreements

    Principal Investigators are NOT employed by the organization sponsoring the study.

    Sponsor reserves the right of prior review of any publication or presentation of information related to the study.

    Results Point of Contact

    Name/Title Jami Kern, PhD
    Organization Alcon Research, Ltd.
    Phone 1-888-451-3937
    Email alcon.medinfo@alcon.com
    Responsible Party:
    CIBA VISION
    ClinicalTrials.gov Identifier:
    NCT01445652
    Other Study ID Numbers:
    • P-370-C-091 / CB11-500
    First Posted:
    Oct 4, 2011
    Last Update Posted:
    Sep 19, 2013
    Last Verified:
    Sep 1, 2013