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Trial registered on ANZCTR
Registration number
ACTRN12609000431224
Ethics application status
Approved
Date submitted
20/05/2009
Date registered
10/06/2009
Date last updated
31/08/2011
Type of registration
Prospectively registered
Titles & IDs
Public title
A prospective, cross-over, randomised clinical trial to establish the ocular comfort profile with and without lens wear over a 12 hour period and to assess the changes in the profile when lens are inserted at different times of the day and worn for 4 hours, with AIR OPTIX (trademark) AQUA contact lenses
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Scientific title
A prospective, cross-over, randomised clinical trial to establish the ocular comfort profile with and without lens wear over a 12 hour period and to assess the changes in the profile in experienced wearers when lens are inserted at different times of the day and worn for 4 hours, with AIR OPTIX (trademark) AQUA contact lenses
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Secondary ID [1]
252703
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None
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Contact lens wear
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Condition category
Condition code
Eye
237166
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Normal eye development and function
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
This is a prospective, cross-over, randomised, open label clinical trial with participants wearing AIR OPTIX AQUA contact lenses bilaterally for four days and one day of no lens wear, making five stages in total as defined below, following initial lens dispense.
Participants will initially be fitted with contact lenses. This is followed by five stages, with each stage corresponding to a twelve hour period. The starting time for each stage will preferably be determined for each participant as being the time they would normally insert their contact lenses.
The order of stages will be randomised. Subjective responses will be evaluated using a Take Home Questionnaire (THQ) at approximately every two hours during each stage.
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Intervention code [1]
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Treatment: Devices
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Intervention code [2]
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Behaviour
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Comparator / control treatment
Active control-crossover study
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Control group
Active
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Outcomes
Primary outcome [1]
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Subjective ocular comfort with contact lenses. This will be assessed by using questionnaires which are to be completed at regular time points during the day.
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Assessment method [1]
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Timepoint [1]
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day 1, 2, 3,4,5
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Secondary outcome [1]
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None
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Assessment method [1]
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Timepoint [1]
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not applicable
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Eligibility
Key inclusion criteria
Able to read and comprehend English and give informed consent as demonstrated by signing a record of informed consent;
Be at least 18 years old;
Willing to comply with the wearing and clinical trial visit schedule as directed by the investigator;
Have ocular health findings considered to be “normal” and which would not prevent the participant from safely wearing contact lenses;
Is correctable to at least 6/12 (20/40) or better in each eye with contact lenses;
Be able to insert and remove contact lenses;
Experienced contact lens wearer;
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
Any pre-existing ocular irritation, injury or condition (including keratoconus and herpes keratitis) of the cornea, conjunctiva or eyelids that would preclude contact lens fitting and safe wearing of contact lenses;
Any systemic disease that adversely affects ocular health e.g. diabetes, Graves disease, and auto-immune diseases such as ankylosing spondylitis, multiple sclerosis, Sjögrens syndrome and systemic lupus erythematosis. Conditions such as systemic hypertension and arthritis do not automatically exclude prospective participants;
An active corneal infection or any active ocular disease that would affect wearing of contact lenses;
Use of or a need for concurrent category S3 and above ocular medication at enrolment and/or during the study;
Use of or a need for any systemic medication or topical medications (including systemic antihistamines) which may alter normal ocular findings/are known to affect a participant’s ocular health/physiology or contact lens performance either in an adverse manner or risk providing a false positive.
Eye surgery within 12 weeks immediately prior to enrolment for this trial;
Previous corneal refractive surgery;
Contraindications to contact lens wear;
Currently enrolled in another clinical trial;
Participation in a clinical trial within the previous 2 weeks for dispensing studies and 48 hours between in-house studies;
The Investigator may, at his/her discretion, exclude anyone else who they believe may not be able to fulfil the study requirements, or if it is believed to be in the participant’s best interests.
N.B. Whilst pregnant or lactating women are not excluded from the trial, they must be able to complete the study.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Crossover
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
16/07/2009
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Actual
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
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Sample size
Target
30
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
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Funding & Sponsors
Funding source category [1]
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Charities/Societies/Foundations
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Name [1]
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Institute for Eye Research
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Address [1]
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Level 5, North Wing, RMB, Gate 14, Barker Street, The University of New South Wales SYDNEY NSW 2052
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Country [1]
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Australia
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Primary sponsor type
Other Collaborative groups
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Name
CIBA VISION
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Address
11460 Johns Creek Parkway
Duluth, GA 30097-1556
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Country
United States of America
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Secondary sponsor category [1]
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None
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Name [1]
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Address [1]
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Country [1]
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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The Vision Cooperative Research Centre (CRC) and Institute for Eye Research Human Ethics Committee
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Ethics committee address [1]
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Level 4, North Wing, RMB, Gate 14, Barker Street, The University of New South Wales SYDNEY NSW 2052
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Ethics committee country [1]
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Australia
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Date submitted for ethics approval [1]
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18/03/2009
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Approval date [1]
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22/04/2009
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Ethics approval number [1]
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0906
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Summary
Brief summary
The aim of this trial is to establish the ocular comfort profile with and without lens wear over a 12 hour period. The trial also aims to assess how the profiles are influenced by lens insertion at different times of the day and worn for four hours. The hypothesis for this trial is ocular comfort will decrease during the day and ocular comfort with lens wear will be rated worse than with no lens wear
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Daniel Tilia
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Address
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Level 5, North Wing, RMB, Gate 14, Barker Street, The University of New South Wales SYDNEY NSW 2052
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Country
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Australia
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Phone
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+612 9385 6165
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Fax
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+612 9385 7404
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Email
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[email protected]
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Contact person for scientific queries
Name
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Daniel Tilia
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Address
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Level 5, North Wing, RMB, Gate 14, Barker Street, The University of New South Wales SYDNEY NSW 2052
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Country
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Australia
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Phone
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+612 9385 6165
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Fax
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+612 9385 7404
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Email
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[email protected]
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No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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