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Trial registered on ANZCTR
Registration number
ACTRN12608000576325
Ethics application status
Approved
Date submitted
28/10/2008
Date registered
12/11/2008
Date last updated
12/11/2008
Type of registration
Retrospectively registered
Titles & IDs
Public title
Randomised trial of anti-emetics in pre-hospital care (The RAPS Trial)
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Scientific title
In prehospital patients which antiemetic agent (maxolon, midazoloam or ondansetron) is superior in reducing nausea and vomiting
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Universal Trial Number (UTN)
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Trial acronym
Randomised trial of Antiemetics in the Prehospital Setting (RAPS Trial)
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Nausea and vomiting
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Condition category
Condition code
Other
4162
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0
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Conditions of unknown or disputed aetiology (such as chronic fatigue syndrome/myalgic encephalomyelitis)
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Patients to receive either
Ondansetron 4mg intramuscular injection
Midazolam 2.5mg intramuscular injection
These agents will be administered as a one off single intramuscular (IMI) injection. Followup will be continued until the patient has arrived at hospital - usually within 30 - 40 minutes.
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
Patients to receive:
Maxolon 10mg intramuscular injection
This agent will be administered as a one off single IMI injection. Followup will be continued until the patient has arrived at hospital - usually within 30 - 40 minutes.
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Control group
Active
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Outcomes
Primary outcome [1]
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Reduction in nausea and vomiting.
Active vomiting will be assessed by direct observation of the patient.
Nausea will be assessed using a verbal analogue scale (Rating scale of 1 - 10).
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Assessment method [1]
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Timepoint [1]
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On arrival at hospital Emergency Departments
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Secondary outcome [1]
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Significant adverse events will be assessed through either direct observation by the attending ambulance paramedic or observed / reported by clinical staff at the receiving hospital.
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Assessment method [1]
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Timepoint [1]
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On arrival at hospital Emergency Departments
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Eligibility
Key inclusion criteria
All patients managed by the ambulance service who are either actively vomiting or have a nausea score greater or equal to 4
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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?
No
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Key exclusion criteria
Age less than 18
Received trial agents in the previous 24hours
Pregnant or possibly pregnant
Weight less than 60kg
Altered conscious level (Glascow Coma Score < 15)
Refuses intramuscular injection
No consent
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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)
Patients identified by treating ambulance paramedics suitable for inclusion. Exclusion criteria assessed. Trial drug ampoules identical and labeled with trial number.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Computerised random number generator undertaken by the manufacturing pharmacist
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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
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Phase
Phase 4
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Type of endpoint/s
Safety/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
7/11/2008
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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
450
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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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Commercial sector/Industry
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Name [1]
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St John Ambulance - Western Australian Ambulance Service
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Address [1]
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209 Great Eastern Highway
Belmont 6104
Western Australia
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Country [1]
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Australia
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Primary sponsor type
Commercial sector/Industry
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Name
St John Ambulance - Western Australian Ambulance Service
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Address
Great Eastern Highway
Belmont 6104
Western Australia
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Country
Australia
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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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Other collaborator category [1]
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University
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Name [1]
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Emergency Medicine - University of Western Australia
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Address [1]
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M516
35 Stirling Hwy
Crawley 6009
Western Australia
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Country [1]
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Australia
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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University of Western Australia
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Ethics committee address [1]
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35 Stirling Hwy Crawley 6009 Western Australia
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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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Approval date [1]
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07/11/2008
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Ethics approval number [1]
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RA/4/1/2167
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Summary
Brief summary
There is little evidence that indicates which anti-emetic (a drug to treat nausea and vomiting) is most effective in the Emergency and pre-hospital setting despite the widespread clinical use of the agents. The aim of this study is to undertake a randomised controlled trial in the pre-hospital setting to evaluate the efficacy of 3 commonly used anti-emetics.
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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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Associate Professor Ian Jacobs
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Address
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Emergency Medicine (M516)
University of Western Australia
35 Stirling Hwy
Crawley 6009
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Country
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Australia
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Phone
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+61 8 9346 4354
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Fax
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+ 61 8 9346 1665
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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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Associate Professor Ian Jacobs
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Address
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Univeristy of Western Australia
35 Stirling Hwy
Crawley 6009
Western Australia
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Country
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Australia
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Phone
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+61 8 9346 4354
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Fax
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+61 8 9346 1665
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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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