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Trial registered on ANZCTR
Registration number
ACTRN12624000287538
Ethics application status
Approved
Date submitted
21/02/2024
Date registered
20/03/2024
Date last updated
21/07/2024
Date data sharing statement initially provided
20/03/2024
Type of registration
Prospectively registered
Titles & IDs
Public title
The effect of an orientation message on emergence agitation in adult surgical patients: a randomised controlled trial
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Scientific title
The effect of an orientation message on emergence agitation in adult surgical patients: a randomised controlled trial
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Secondary ID [1]
311587
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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:
Emergence agitation
332971
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Condition category
Condition code
Anaesthesiology
329683
329683
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0
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Other anaesthesiology
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Orientation message and verbal command ((‘(Patient’s name), you are waking up in the Royal Melbourne Hospital after your surgery, please open your eyes’) played via noise-cancelling headphones at conversational volume and repeated after a 5-s pause. The intervention will be administered in the operating room from the cessation of anaesthetic administration until the patient opens their eyes. Adherence to the intervention will be monitored by a blinded investigator.
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Intervention code [1]
328042
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Prevention
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Comparator / control treatment
Verbal command (‘(Patient’s name), please open your eyes’) played via noise-cancelling headphones at conversational volume and repeated after a 5-s pause. The intervention will be administered in the operating room from the cessation of anaesthetic administration until the patient opens their eyes. Adherence to the intervention will be monitored by a blinded investigator.
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Control group
Active
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Outcomes
Primary outcome [1]
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Emergence agitation in the operating room
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Assessment method [1]
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Riker Sedation Agitation Scale
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Timepoint [1]
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Continuously assessed from cessation of anaesthetic administration until the patient leaves the operating room. The blinded investigator will record the scale score at anaesthetic cessation and the new score every time there is a change.
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Secondary outcome [1]
431993
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Dangerous emergence agitation in the operating room
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Assessment method [1]
431993
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Riker Sedation Agitation Scale
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Timepoint [1]
431993
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Continuously assessed from cessation of anaesthetic administration until the patient leaves the operating room. The blinded investigator will record the scale score at anaesthetic cessation and the new score every time there is a change.
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Secondary outcome [2]
431994
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Maximum emergence agitation in the operating room
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Assessment method [2]
431994
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Riker Sedation Agitation Scale
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Timepoint [2]
431994
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Continuously assessed from cessation of anaesthetic administration until the patient leaves the operating room. The blinded investigator will record the scale score at anaesthetic cessation and the new score every time there is a change.
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Secondary outcome [3]
431995
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Emergence agitation in the post anaesthesia care unit
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Assessment method [3]
431995
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Riker Sedation Agitation Scale
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Timepoint [3]
431995
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Continuously assessed from admission to the post anaesthesia care unit to discharge from the post anaesthesia care unit. The blinded investigator will record the scale score at admission and the new score every time there is a change.
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Secondary outcome [4]
431996
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Dangerous emergence agitation in the post anaesthesia care unit
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Assessment method [4]
431996
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Riker Sedation Agitation Scale
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Timepoint [4]
431996
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Continuously assessed from admission to the post anaesthesia care unit to discharge from the post anaesthesia care unit. The blinded investigator will record the scale score at admission and the new score every time there is a change.
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Secondary outcome [5]
431997
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Maximum emergence agitation in the post anaesthesia care unit
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Assessment method [5]
431997
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Riker Sedation Agitation Scale
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Timepoint [5]
431997
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Continuously assessed from admission to the post anaesthesia care unit to discharge from the post anaesthesia care unit. The blinded investigator will record the scale score at admission and the new score every time there is a change.
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Secondary outcome [6]
431998
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Delirium in the post anaesthesia care unit
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Assessment method [6]
431998
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Three-minute diagnostic confusion assessment method (3D-CAM)
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Timepoint [6]
431998
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At discharge from the post anaesthesia care unit
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Secondary outcome [7]
431999
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Delirium on postoperative day 1
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Assessment method [7]
431999
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Three-minute diagnostic confusion assessment method (3D-CAM)
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Timepoint [7]
431999
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On the morning of postoperative day 1
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Eligibility
Key inclusion criteria
1. Aged greater than or equal to 18 years
2. Plan for elective or expedited non-cardiac surgery
3. Plan for relaxant general anaesthesia with an endotracheal tube
4. Minor to moderate complexity surgery
5. Expected hospital stay of greater than or equal to 1 postoperative night
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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
1. Inability to provide written informed consent (e.g., language barrier, intellectual disability, cognitive deficit, urgent surgery)
2. Inability to apply headphones (e.g., ear surgery, cranial surgery)
3. Inability to hear or comprehend recorded message (e.g., language barrier, intellectual disability, cognitive deficit, hearing impairment)
4. Plan to remain intubated and sedated after leaving the operating room
5. Previously randomised to the trial
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Study design
Purpose of the study
Prevention
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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)
Consecutive numbered opaque envelopes
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Web-based
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Masking / blinding
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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
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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
1/04/2024
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Actual
25/03/2024
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Date of last participant enrolment
Anticipated
18/03/2025
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Actual
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Date of last data collection
Anticipated
19/03/2025
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Actual
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Sample size
Target
120
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Accrual to date
51
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Final
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Recruitment in Australia
Recruitment state(s)
VIC
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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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The Royal Melbourne Hospital
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Address [1]
315894
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Country [1]
315894
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Australia
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Primary sponsor type
Hospital
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Name
Royal Melbourne Hospital
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Address
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Country
Australia
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Secondary sponsor category [1]
318038
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None
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Name [1]
318038
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Address [1]
318038
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Country [1]
318038
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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The Royal Melbourne Hospital Human Research Ethics Committee
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Ethics committee address [1]
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https://www.thermh.org.au/research/researchers/ethics
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Ethics committee country [1]
314738
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Australia
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Date submitted for ethics approval [1]
314738
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23/06/2023
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Approval date [1]
314738
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06/09/2023
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Ethics approval number [1]
314738
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Summary
Brief summary
Agitation commonly occurs on emergence from general anaesthesia in adult patients. Our hypothesis is that an orientation message and verbal command will be superior to a verbal command alone. The messages will be delivered via noise-cancelling headphones from cessation of general anaesthesia until the patient opens their eyes.
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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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Dr Linda Mattheyse
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Address
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Royal Melbourne Hospital, 300 Grattan St, Parkville, VIC, 3052
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Country
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Australia
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Phone
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+61 3 93427540
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Fax
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Email
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[email protected]
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Contact person for public queries
Name
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Linda Mattheyse
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Address
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Royal Melbourne Hospital, 300 Grattan St, Parkville, VIC, 3052
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Country
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Australia
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Phone
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+61 3 93427540
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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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Linda Mattheyse
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Address
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Royal Melbourne Hospital, 300 Grattan St, Parkville, VIC, 3052
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Country
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Australia
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Phone
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+61 3 93427540
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Fax
132572
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Email
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[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
Yes
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What data in particular will be shared?
All deidentified data
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When will data be available (start and end dates)?
One year after publication of the main result until 5 years after publication of the main result.
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Available to whom?
Anaesthesia researchers
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Available for what types of analyses?
Individual patient data meta-analyses
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How or where can data be obtained?
By contacting the chief investigator (
[email protected]
)
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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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