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Trial registered on ANZCTR
Registration number
ACTRN12611000189921
Ethics application status
Approved
Date submitted
16/02/2011
Date registered
17/02/2011
Date last updated
23/08/2011
Type of registration
Prospectively registered
Titles & IDs
Public title
Corneal Collagen Cross-linking (CXL) as an adjunct in the treatment of Microbial Keratitis
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Scientific title
In patients with microbial keratitis, is conventional treatment plus corneal collagen cross-linking (CXL) more effective than conventional treatment alone in terms of time to healing, visual results, and secondary interventions required?
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Secondary ID [1]
259618
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Nil
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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:
Microbial keratitis
261176
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Condition category
Condition code
Eye
259331
259331
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0
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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
riboflavin 0.1% indextran solution is applied to the cornea every 2 minutes for 30 minutes, and then ultraviolet A light at 365nm and 3 watts/cm2 exposure is applied for a further 30 minutes
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Intervention code [1]
258051
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Treatment: Other
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Comparator / control treatment
Conventional topical antibiotic therapy, commencing with broad spectrum antibiotics such as Ofloxacin 0.3%, one drop every hour for 24 hours and then modification of dosage according to clinical response.
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Control group
Active
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Outcomes
Primary outcome [1]
262133
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Time to resolution of microbial keratitis - initial daily examination using slitlamp biomicroscopy to detect healing of epithelial defect and resolution of stromal infiltrate
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Assessment method [1]
262133
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Timepoint [1]
262133
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1 month
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Secondary outcome [1]
273215
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Secondary interventions (surgery)
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Assessment method [1]
273215
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Timepoint [1]
273215
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1 month
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Eligibility
Key inclusion criteria
presumed or confirmed microbial keratitis of moderate severity or worse
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Minimum age
No limit
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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?
No
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Key exclusion criteria
Pregnancy
impending or actual corneal perforation
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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)
Trial participation offered to all eligible patients presenting to the RVEEH
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
randomised via random number 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
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
Recruiting
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Date of first participant enrolment
Anticipated
22/08/2011
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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
298
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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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Hospital
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Name [1]
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Royal Victorian Eye and Ear Hospital
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Address [1]
258511
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32 Gisborne Street
East Melbourne
Vic 3002
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Country [1]
258511
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Australia
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Primary sponsor type
Individual
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Name
Dr Laurence Sullivan
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Address
Royal Victorian Eye and Ear Hospital
32 Gisborne Street
East Melbourne
Vic 3002
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Country
Australia
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Secondary sponsor category [1]
257652
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Other Collaborative groups
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Name [1]
257652
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Corneal Clinic
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Address [1]
257652
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Royal Victorian Eye and Ear Hospital
32 Gisborne Street
East Melbourne
Vic 3002
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Country [1]
257652
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Australia
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
260483
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Human Research and Ethics Committee
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Ethics committee address [1]
260483
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Royal Victorian Eye and Ear Hospital, 32 Gisborne Street, East MElbourne , 3002
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Ethics committee country [1]
260483
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Australia
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Date submitted for ethics approval [1]
260483
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01/05/2011
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Approval date [1]
260483
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16/07/2011
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Ethics approval number [1]
260483
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11/1015H
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Summary
Brief summary
Microbial keratitis is a significant cause of ocular morbidity and visual loss, as well as a significant health cost to the community. Ultraviolet light is known to be microbicidal. We think it is likely that the proposed treatment will lead to quicker recovery from this serious eye infection and better visual outcomes.
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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
32223
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Address
32223
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Country
32223
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Phone
32223
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Fax
32223
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Email
32223
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Contact person for public queries
Name
15470
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Dr Laurence Sullivan
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Address
15470
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Royal Victorian Eye and Ear Hospital
32 Gisborne St
East Melbourne
Vic, 3002
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Country
15470
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Australia
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Phone
15470
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+61 (0)408544799
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Fax
15470
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Email
15470
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[email protected]
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Contact person for scientific queries
Name
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Dr Laurence Sullivan
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Address
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Royal Victorian Eye and Ear Hospital
32 Gisborne St
East Melbourne
Vic, 3002
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Country
6398
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Australia
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Phone
6398
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+61 (0)408544799
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Fax
6398
0
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Email
6398
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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
Source
Title
Year of Publication
DOI
Embase
Corneal collagen cross-linking for bacterial infectious keratitis.
2020
https://dx.doi.org/10.1002/14651858.CD013001.pub2
N.B. These documents automatically identified may not have been verified by the study sponsor.
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