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Trial registered on ANZCTR
Registration number
ACTRN12620001235998
Ethics application status
Approved
Date submitted
22/09/2020
Date registered
18/11/2020
Date last updated
18/11/2020
Date data sharing statement initially provided
18/11/2020
Type of registration
Prospectively registered
Titles & IDs
Public title
Effect of the Autonomous Sensory Meridian Response on pre-operative anxiety and vital signs : A prospective randomised placebo controlled research study
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Scientific title
Effect of the Autonomous Sensory Meridian Response on pre-operative anxiety and vital signs in adults undergoing surgery: A prospective randomised placebo controlled research study
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Secondary ID [1]
302366
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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:
anxiety
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vital signs monitoring
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Condition category
Condition code
Surgery
317108
317108
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0
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Other surgery
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Alternative and Complementary Medicine
317109
317109
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0
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Other alternative and complementary medicine
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Mental Health
317410
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0
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Anxiety
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
In this randomised placebo controlled research study, patients in the preoperative waiting room of the Sydney Adventist Hospital (Wahroonga, NSW) will be asked to volunteer to participate in this study to be conducted by university student investigators who will deliver the intervention. Once consent is obtained, adequate privacy of the participants will be ensured by measures such as drawing the curtains in their waiting bay. Participants will have their vital signs measured; including blood pressure, heart rate and respiratory rate; and their anxiety assessed using the Amsterdam Preoperative Anxiety and Information Scale (APAIS), the State-Trait Anxiety Inventory(STAI), and the Visual Analogue Scale (VAS). Participants will then undergo randomisation into two groups: Group 1 to watch a standardised audio-visual ASMR stimulus; and Group 2 to watch a standardised placebo video which is similar but does not contain ASMR triggers. Each video lasts approximately 5 minutes. The video will be delivered on an electronic device such as a tablet or laptop with headphones. The study will use REDCap (Research Electronic Capture Data) to deliver the video and questionnaires Following this intervention, both groups will have their vital signs measured and their anxiety assessed using the methods described above a second time. Following this, both groups will be asked “Did you experience a tingling sensation or mood change during the intervention?” Responders to ASMR will be identified based on this assessment. The total intervention will take approximately 15 minutes, and adherence to the intervention will be monitored by the investigators present at the time of the intervention.
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Intervention code [1]
318652
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Treatment: Other
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Comparator / control treatment
Group 2 is the control treatment group and will be asked to watch a standardised placebo video which is similar but does not contain ASMR triggers.
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Control group
Placebo
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Outcomes
Primary outcome [1]
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pre-operative anxiety, as assessed by the State-Trait Anxiety Inventory (STAI), the Amsterdam Preoperative Anxiety and Information Scale (APAIS), and the Visual Analogue Scale (VAS) questionnaires
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Assessment method [1]
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Timepoint [1]
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immediately pre and post intervention
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Secondary outcome [1]
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physiological changes in blood pressure assessed by sphygmomanometer
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Assessment method [1]
387154
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Timepoint [1]
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immediately pre and post intervention
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Secondary outcome [2]
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physiological changes in heart rate assessed by radial pulse
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Assessment method [2]
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Timepoint [2]
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immediately pre and post intervention
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Secondary outcome [3]
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physiological changes in respiratory rate assessed by rise and fall of the chest whilst taking radial pulse
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Assessment method [3]
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Timepoint [3]
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immediately pre and post intervention
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Eligibility
Key inclusion criteria
Patients in the preoperative waiting area that consent to the study will be included and are 18 years old or older.
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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
Patients who are cognitively impaired, visually impaired, hearing impaired or who are not fluent in English.
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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)
central randomisation by computer
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
simple randomisation by REDCap
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people analysing the results/data
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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
Descriptive statistics will be used to analyse demographic data. A paired T-test will be used to detect changes in vital signs and anxiety scores before and after the intervention. A power of 90% with a confidence level of 95% will be required to detect the desired change in anxiety scores. A linear regression model will be used for the analysis of data with; dependent variable: e.g. post anxiety score, and predictors: treatment group, pre anxiety score, any other confounders (age, sex). The sample size is variable in initial stage, depending on number of responders identified. 100 to be included in measurement of anxiety and vital signs.
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Recruitment
Recruitment status
Not yet recruiting
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Date of first participant enrolment
Anticipated
1/01/2021
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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
100
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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Sydney Adventist Hospital - Wahroonga
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Recruitment postcode(s) [1]
31342
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2076 - Wahroonga
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Funding & Sponsors
Funding source category [1]
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University
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Name [1]
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University of Sydney
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Address [1]
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Camperdown NSW 2006
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Country [1]
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Australia
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Primary sponsor type
Individual
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Name
Associate Professor Stephanie Phillips
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Address
185 Fox Valley Rd, Wahroonga NSW 2076
Sydney Adventist Hospital
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Country
Australia
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Secondary sponsor category [1]
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Individual
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Name [1]
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Clare Atkinson
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Address [1]
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185 Fox Valley Rd, Wahroonga NSW 2076
Sydney Adventist Hospital
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Country [1]
307348
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Australia
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Secondary sponsor category [2]
307351
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Individual
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Name [2]
307351
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Gurmehar Gill
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Address [2]
307351
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185 Fox Valley Rd, Wahroonga NSW 2076
Sydney Adventist Hospital
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Country [2]
307351
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Australia
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Secondary sponsor category [3]
307352
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Individual
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Name [3]
307352
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Andrea Wright
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Address [3]
307352
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185 Fox Valley Rd, Wahroonga NSW 2076
Sydney Adventist Hospital
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Country [3]
307352
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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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Adventist HealthCare Limited Ethics Committee
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Ethics committee address [1]
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185 Fox Valley Rd, Wahroonga NSW 2076
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Ethics committee country [1]
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Australia
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Date submitted for ethics approval [1]
306954
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Approval date [1]
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15/09/2020
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Ethics approval number [1]
306954
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AHCL Study ID: 2020-007
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Summary
Brief summary
The primary objective of this study is to investigate whether an ASMR intervention produces a measurable difference on pre-operative anxiety and primary vital signs using a randomised placebo controlled research study. Validated tools, the Amsterdam Preoperative Anxiety and Information Scale (APAIS), State-Trait Anxiety Inventory (STAI) questionnaire and Visual Analogue Scale (VAS) will be used to assess the pre-operative anxiety. Measuring the blood pressure and respiratory rate will assess the pre-operative primary vital signs. We hypothesise that for responders to ASMR, the intervention will improve anxiety scores and improve vital signs.
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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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A/Prof Stephanie Phillips
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Address
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185 Fox Valley Rd, Wahroonga NSW 2076
Sydney Adventist Hospital
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Country
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Australia
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Phone
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+61418250280
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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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Clare Atkinson
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Address
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185 Fox Valley Rd, Wahroonga NSW 2076
Sydney Adventist Hospital
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Country
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Australia
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Phone
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+61 404785458
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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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Clare Atkinson
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Address
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185 Fox Valley Rd, Wahroonga NSW 2076
Sydney Adventist Hospital
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Country
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Australia
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Phone
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+61 404785458
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Fax
105572
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Email
105572
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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)?
No
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No/undecided IPD sharing reason/comment
Individual patient data will not be shared as the data will be pooled and analysed as a group rather than individually.
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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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