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Trial registered on ANZCTR
Registration number
ACTRN12606000409572
Ethics application status
Not yet submitted
Date submitted
17/09/2006
Date registered
19/09/2006
Date last updated
4/04/2013
Type of registration
Prospectively registered
Titles & IDs
Public title
Topical Amethocaine versus Topical Eutectic Mixture of Local Anaesthetic (EMLA)
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Scientific title
In Children's Emergency does topical Amethocaine 4% increase cannulation success compared to Topical Eutectic Mixture of Local Anaesthetic (EMLA) 5%?
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Secondary ID [1]
305
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Auckland District Health Board: A+3584
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Universal Trial Number (UTN)
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Trial acronym
TAVE
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Intravenous cannulation in children
1376
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Condition category
Condition code
Anaesthesiology
1469
1469
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0
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Anaesthetics
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Intervention is Amethocaine, in a single dose of 1-2g in two places. The two sites are typically on the dorsum of both hands, but may include other sites depending on the triage nurses judgement. Study runs from November 2006 until March 2007.
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Intervention code [1]
1361
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Treatment: Drugs
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Comparator / control treatment
Control group is EMLA (our current topical anaesthetic), in a single dose of 1-2g in two places.
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Control group
Active
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Outcomes
Primary outcome [1]
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First attempt cannulation success while in the treatment room. Cannula that are successfully inserted but fall out after the child has left the room are counted as successful cannulation.
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Assessment method [1]
2032
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Timepoint [1]
2032
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Secondary outcome [1]
3517
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Pain
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Assessment method [1]
3517
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Timepoint [1]
3517
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Immediately before,during cannulation and after cannulation.
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Secondary outcome [2]
3518
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Cost
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Assessment method [2]
3518
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Timepoint [2]
3518
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Eligibility
Key inclusion criteria
All children having topical anaesthetic applied for intravenous cannulation in our department are eligible.
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Minimum age
Not stated
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Maximum age
14
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
Those needing emergency IV access or contraindications to topical anaesthetic (currently <3 months of age or on met-Haemaglobinaemia inducing medicines).
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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)
Opaque sealed envelops
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Computer generated then randomly sorted envelops
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
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Intervention assignment
Parallel
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Other design features
Child, parents, assessor and data analyst blinded. The nurse applying the cream will be aware of allocation. It may not be possible to fully blind the dermal effects of the creams as the creams have different effects (one blanches the other causes erythema).
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Phase
Phase 4
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Not yet recruiting
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Date of first participant enrolment
Anticipated
15/11/2006
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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
660
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Accrual to date
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Final
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Recruitment outside Australia
Country [1]
392
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New Zealand
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State/province [1]
392
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Funding & Sponsors
Funding source category [1]
1607
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University
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Name [1]
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Auckland University
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Address [1]
1607
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Country [1]
1607
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New Zealand
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Funding source category [2]
1608
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Charities/Societies/Foundations
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Name [2]
1608
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Auckland Medical Research Foundation
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Address [2]
1608
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Country [2]
1608
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New Zealand
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Primary sponsor type
Government body
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Name
Auckland District Health Board
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Address
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Country
New Zealand
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Secondary sponsor category [1]
1411
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University
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Name [1]
1411
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University of Auckland
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Address [1]
1411
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Country [1]
1411
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Australia
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Ethics approval
Ethics application status
Not yet submitted
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Summary
Brief summary
Children's distress and pain from intravenous cannulation is reduced with the use of topical anaesthetic cream. At Starship children’s emergency department (CED) we use EMLA (Eutectic Mixture of Local Anaesthetic) and are very satisfied with its effect. A recent Cochrane systematic review suggests that Amethocaine is a better topical anaesthetic (1). Amethocaine works faster and has better pain relieving abilities than EMLA independent of application time. There is even a suggestion that Amethocaine may improve success rates for IV access although the evidence was inconclusive. EMLA is a vasoconstrictor, which appears to constrict veins whereas Amethocaine is a vasodilator and causes local erythema. Amethocaine has traditionally been more expensive than EMLA. The Cochrane review found two clinical questions unanswered; does Amethocaine improve cannulation success rate and what are the cost implications? This research project will attempt to answer these questions by comparing the use of EMLA and Amethocaine for topical anaesthesia in children undergoing intravenous cannulation at Starship CED. 1. Lander JA, Weltman BJ and So SS. EMLA and Amethocaine for reduction of children’s pain associated with needle insertion (Review). Cochrane Database of Systematic Reviews. (3). 2006.
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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
27588
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Contact person for public queries
Name
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David Herd
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Address
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54 Woodside Ave
Northcote
Auckland
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Country
10550
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New Zealand
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Phone
10550
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+64 21412732
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Fax
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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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David Herd
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Address
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54 Woodside Ave
Northcote
Auckland
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Country
1478
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New Zealand
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Phone
1478
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+64 21412732
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Fax
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Email
1478
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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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