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Trial registered on ANZCTR
Registration number
ACTRN12618000059268
Ethics application status
Approved
Date submitted
27/11/2017
Date registered
17/01/2018
Date last updated
30/06/2024
Date data sharing statement initially provided
12/08/2019
Type of registration
Prospectively registered
Titles & IDs
Public title
Blood Glucose and Ketone levels on fasting children between 6 to 12 months for elective surgery
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Scientific title
Blood Glucose and Ketone levels on fasting children between 6 to 12 months for elective surgery
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Secondary ID [1]
293308
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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:
Hypoglycaemia related to preoperative fasting
305391
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Condition category
Condition code
Anaesthesiology
304677
304677
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0
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Anaesthetics
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Intervention/exposure
Study type
Observational
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Patient registry
False
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Target follow-up duration
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Target follow-up type
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Description of intervention(s) / exposure
Testing of blood sugar and ketone levels at induction of anaesthesia and end of anaesthesia
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Intervention code [1]
299568
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Not applicable
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Comparator / control treatment
All infants that fulfil inclusion criteria will be included providing informed consent has been gained. We will be comparing the different fasting protocols between RCH and LCCH (GCUH follows LCCH protocol)
LCCH fasting guideline for 6 -12 months are 6 hour for solids, 4 hours for breast milk and 2 hours for clear fluids.
RCH fasting guideline for 6-12 months are 6 hours solids and 1 hours for clear fluid.
GCUH which is the 3rd hospital has identical guidelines to LCCH. We will be looking at LCCH and GCUH as a combined group as fasting guidelines are identical.
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Control group
Active
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Outcomes
Primary outcome [1]
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Incidence of hypoglycaemic events on induction
Hypoglycaemia defined as <3.0mmol/L as assessed by Hand-held glucometer
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Assessment method [1]
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Timepoint [1]
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At Induction of Anaesthesia
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Primary outcome [2]
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The impact of surgical stress is on the blood sugar levels measured with hand held glucometer in this age group at the end of the case. Surgical stress is measured by any increase in blood sugar from the induction of anaesthesia to the end of case.
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Assessment method [2]
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Timepoint [2]
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End of Surgery
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Primary outcome [3]
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The impact of surgical stress is on the ketones levels measured with hand held glucometer in this age group at the end of the case.
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Assessment method [3]
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Timepoint [3]
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At end of surgery
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Secondary outcome [1]
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To assess the adherence to the fasting guidelines in all 3 hospitals
The fasting time for solids and liquid will be audited
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Assessment method [1]
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Timepoint [1]
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Day of surgery
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Secondary outcome [2]
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The difference in fasting glucose as measured by a handheld glucometer between the 3 hospitals
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Assessment method [2]
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Timepoint [2]
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At time of induction
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Secondary outcome [3]
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The difference in fasting ketone levels as measured by a handheld glucometer between the 3 hospitals
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Assessment method [3]
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Timepoint [3]
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At time of induction
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Eligibility
Key inclusion criteria
1. Age range: 6-12 months of age
2. ASA Score: 1-2
3. Type of Surgery: Elective
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Minimum age
6
Months
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Maximum age
12
Months
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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. Children who are on medications which may affect blood ketones or sugar
2. Children who have diabetes mellitus or other glycaemic disorders
3. Children who have metabolic disorders including but not limited to glycogen storage disease and hyperinsulinaemia
4. Children undergoing Medical Imaging procedures
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Study design
Purpose
Screening
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Duration
Cross-sectional
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Selection
Defined population
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Timing
Prospective
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
1/02/2019
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Actual
27/03/2019
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Date of last participant enrolment
Anticipated
31/01/2021
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Actual
31/08/2021
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Date of last data collection
Anticipated
31/01/2021
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Actual
31/08/2021
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Sample size
Target
200
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Accrual to date
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Final
158
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Recruitment in Australia
Recruitment state(s)
QLD,VIC
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Funding & Sponsors
Funding source category [1]
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Charities/Societies/Foundations
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Name [1]
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Society for Paediatric Anaesthetist of New Zealand and Australia (SPANZA)
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Address [1]
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PO Box 180
Morisset NSW 2264
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Country [1]
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Australia
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Primary sponsor type
Hospital
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Name
Lady Cilento Children's Hospital
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Address
Department of Anaesthesia and Pain Management
501 Stanley Street
South Brisbane
QLD 4104
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Country
Australia
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Secondary sponsor category [1]
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Hospital
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Name [1]
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Gold Coast Univeristy Hospital
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Address [1]
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1 Hospital Boulevard
Southport
Queensland
4215
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Country [1]
297073
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Australia
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Secondary sponsor category [2]
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Hospital
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Name [2]
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Royal Children's hospital
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Address [2]
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50 Flemington Road
Parkville
Victoria
3052
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Country [2]
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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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Children’s Health Queensland Hospital and Health Services HREC
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Ethics committee address [1]
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Human research ethics committee Centre for Children’s Health Research Queensland Children’s hospital precinct Level 7 62 Graham Street South Brisbane QLD 4101
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Ethics committee country [1]
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Australia
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Date submitted for ethics approval [1]
298979
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29/12/2017
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Approval date [1]
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27/02/2018
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Ethics approval number [1]
298979
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Summary
Brief summary
Perioperative hypoglycaemia during elective surgery can potentially cause serious consequences. In neonates, hypoglycaemia can cause lethargy, apnoea, seizures and coma (Pediatrics, 2011; 127(3): 575-579). In severe cases, neurodevelopment in neonates is impaired with white matter changes, haemorrhage, infarction and basal ganglia changes seen on MRI. (Pediatrics, 2008; 122(1)). A recent study has shown that children, especially infants, can be ketotic and have low normal BSL (Blood sugar level) following preoperative fasting periods (Eur J Anaesthesiol 2015; 32:857–861). Anecdotal reports at Royal Children's Hospital have indicated that children between 6-12 months may be at a higher risk of hypoglycaemia due to prolong preoperative fasting and physiology which has resulted in BSL in the 1.0-2.0 range which required urgent intervention perioperatively. There is belief that the stress response of surgery will mitigate the potential hypoglycaemic effects of fasting however, there are lack of literature to show the effect in this age group. There is a current lack of consensus regarding best practice fasting guidelines. Young children are extremely vulnerable to the risk of preoperative hypoglycaemia and determining evidence based fasting guidelines could have significant benefits for the patient and department. Methods. Using a prospective observational design of 200 infants, aged 6-12months with an ASA (American Society of Anaesthesiologist Score)of 1-2, and undergoing elective surgery will be observed during the perioperative period for hypoglycemia. Blood of around 6 microliters will be obtained to test blood sugar and ketones using commercially available handheld point of care testers at induction after insertion of IV cannula. Hypoglycemia will be defined as a BSL of 3.0mmol or less and hypoglycaemia will be treated as per local guidelines. On completion of surgery, a further 6 microliters will be obtained to test for blood sugar and ketones using the same testers. Outcome. Primary outcome is incidence of hypoglycemic events on induction. Secondary outcomes are change in BSL and ketone levels during the perioperative period. Sample size calculations were carried out using the G*Power software. We are planning to recruit a total of 200 children where 100 at Royal Children's hospital (RCH) and 50 each at both Lady Cilento Children's Hospital (LCCH) and Gold Coast University Hospital (GCUH) as per calculations. Statistics. Analyses will in the first instance compare LCCH and RCH patients, and hence their different fasting protocols, with respect to BSL and ketones by means of two sample t-tests immediately before and after anaesthesia. Linear regression analyses will also be undertaken to take into consideration the various covariates that may impact on BSL and ketones
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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 Abigail Wong
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Address
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Department of Anaesthesia, Gold Coast University Hospital, Southport, Gold Coast, Queensland 4125
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Country
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Australia
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Phone
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+61 756875626
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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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Abigail Wong
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Address
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Department of Anaesthesia, Gold Coast University Hospital, Southport, Gold Coast, Queensland 4125
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Country
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Australia
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Phone
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+61 756875626
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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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Abigail Wong
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Address
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Department of Anaesthesia, Gold Coast University Hospital, Southport, Gold Coast, Queensland 4125
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Country
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Australia
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Phone
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+61 756875626
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Fax
78876
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Email
78876
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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
Not part of the study
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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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