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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT00762502
Registration number
NCT00762502
Ethics application status
Date submitted
26/09/2008
Date registered
30/09/2008
Date last updated
19/06/2018
Titles & IDs
Public title
Comparison of Senofilcon A Toric Lenses to Balafilcon A Toric Lenses Over Extended Wear Period
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Scientific title
Comparison of Senofilcon A Toric Lenses to Balafilcon A Toric Lenses Over Extended Wear Period
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Secondary ID [1]
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CR-4498
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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:
Astigmatism
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Condition category
Condition code
Eye
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Diseases / disorders of the eye
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Devices - senofilcon A toric contact lens
Treatment: Devices - balafilcon A toric contact lens
Active comparator: senofilcon A toric bilaterally - senofilcon A lenses worn daily bilaterally (in both eyes) for 3 months, replaced weekly.
Active comparator: balafilcon A toric bilaterally - balafilcon A lenses worn daily bilaterally (in both eyes) for 3 months, replaced weekly.
Active comparator: senofilcon A/balafilcon A contralaterally - senofilcon A lens worn in one eye and balafilcon A lens worn in the other eye (contralaterally), daily for 3 months, replaced weekly.
Treatment: Devices: senofilcon A toric contact lens
soft contact lens
Treatment: Devices: balafilcon A toric contact lens
soft contact lens
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Intervention code [1]
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Treatment: Devices
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Corneal Staining
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Assessment method [1]
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Scale of 0 to 4; 0=None, 1=Trace, 2=Mild, 3=Moderate, 4=Severe. The subjects were assigned to senofilcon A toric/balafilcon A toric contralaterally or senofilcon A or balafilcon A lenses bilaterally.
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Timepoint [1]
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at 3 months of lens wear (period 1)
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Primary outcome [2]
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Limbal Redness
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Assessment method [2]
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Scale of 0 to 4; 0=None, 1=Trace, 2=Mild, 3=Moderate, 4=Severe. The subjects were assigned to senofilcon A toric/balafilcon A toric contralaterally or senofilcon A or balafilcon A lenses bilaterally.
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Timepoint [2]
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at 3 months of lens wear (period 1)
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Primary outcome [3]
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Bulbar Redness
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Assessment method [3]
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Scale of 0 to 4; 0=None, 1=Trace, 2=Mild, 3=Moderate, 4=Severe. The subjects were assigned to senofilcon A toric/balafilcon A toric contralaterally or senofilcon A or balafilcon A lenses bilaterally.
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Timepoint [3]
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at 3 months of lens wear (period 1)
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Primary outcome [4]
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Tarsal Roughness
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Assessment method [4]
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Scale of 0 to 4; 0=None, 1=Trace, 2=Mild, 3=Moderate, 4=Severe. The subjects were assigned to senofilcon A toric/balafilcon A toric contralaterally or senofilcon A or balafilcon A lenses bilaterally.
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Timepoint [4]
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at 3 months of lens wear (period 1)
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Eligibility
Key inclusion criteria
* Able to wear study lenses in parameters available
* Non-presbyopes between the ages of 18-45
* Understand and sign informed consent
* Willing to follow the protocol
* Achieve at least 20/30 (6/9) visual acuity (VA) in right eye (OD) and left eye (OS) with study lenses
* Myopia -0.75 to -6.25, cylinder -0.75 to -1.50 diopters (D) (axis 90 +/- 15, 180 +/- 15) or -1.75 D (axis 90 +/- 10, 180 +/- 10)
* Adapted soft contact lens wearer
* Swims no more than once a week
* Has a wearable pair of spectacles.
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Minimum age
18
Years
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Maximum age
45
Years
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Any ocular or systemic disorder which may contraindicate contact lens wear
* Any topical ocular medication
* Aphakic
* Corneal refractive surgery
* Corneal distortion from hard CL wear or keratoconus
* Pregnant or lactating
* Grade 2 or worse slit lamp signs
* Infectious disease
* Previous clinical study within 2 weeks
* Don't agree to participate
* Polymethyl methacrylate (PMMA) or rigid gas-permeable (RGP) lens wear in last 8 weeks
* Previous adverse effects that contraindicate extended lens wear.
* Self-reported symptoms of itchiness or scratchiness with habitual lenses.
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Study design
Purpose of the study
Other
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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
Parallel
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Other design features
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Phase
NA
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/06/2007
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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
1/01/2008
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Sample size
Target
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Accrual to date
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Final
112
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Recruitment in Australia
Recruitment state(s)
NSW,VIC
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Recruitment hospital [1]
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- Newtown
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Recruitment hospital [2]
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- Camberwell
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Recruitment hospital [3]
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- Hawthorn
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Recruitment hospital [4]
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- Keilor
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Recruitment hospital [5]
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- Melbourne
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Recruitment hospital [6]
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- Mitcham
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Recruitment hospital [7]
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- Moe
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Recruitment postcode(s) [1]
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2042 - Newtown
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Recruitment postcode(s) [2]
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3124 - Camberwell
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Recruitment postcode(s) [3]
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3122 - Hawthorn
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Recruitment postcode(s) [4]
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3036 - Keilor
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Recruitment postcode(s) [5]
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3000 - Melbourne
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Recruitment postcode(s) [6]
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3132 - Mitcham
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Recruitment postcode(s) [7]
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3825 - Moe
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Recruitment outside Australia
Country [1]
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United States of America
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State/province [1]
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Massachusetts
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Johnson & Johnson Vision Care, Inc.
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
To evaluate two toric contact lenses on the ocular physiology of existing contact lens wearers when used in an extended wear modality of days/six nights.
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Trial website
https://clinicaltrials.gov/study/NCT00762502
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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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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 scientific queries
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
No documents have been uploaded by study researchers.
Results are available at
https://clinicaltrials.gov/study/NCT00762502
Download to PDF