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Trial registered on ANZCTR
Registration number
ACTRN12612000130864
Ethics application status
Approved
Date submitted
26/01/2012
Date registered
30/01/2012
Date last updated
4/11/2013
Type of registration
Prospectively registered
Titles & IDs
Public title
Continuous glucose monitoring in ICU
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Scientific title
To investigate the reliability of continuous glucose monitoring in critically ill patients
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Secondary ID [1]
279799
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Nil
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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:
blood glucose control in critically ill patients
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Condition category
Condition code
Metabolic and Endocrine
285866
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0
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Metabolic disorders
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Blood
285887
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0
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Other blood disorders
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Intervention/exposure
Study type
Observational
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Patient registry
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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
This study is investigating the reliability of continuous glucose monitoring devices, which measure blood glucose every 1-5 minutes, in critically ill patients. Enrolled patients are monitored by multiple continuous glucose monitoring devices for up to 6 days. The aim of this study is to assess device performance and quantify the impact of certain drugs or illnesses on performance. Three devices have been approved for use in the study: Medtronic Guardian real-time, Medtronic iPro2 and Medtronic Sentrino. The study will be recruiting up to 80 patients and is approved to run until 30th June 2015.
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Intervention code [1]
284126
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Not applicable
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Comparator / control treatment
N/A
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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Obtain ICU specific glucometer and continuous glucose monitor data to assess the reliability of these devices in this population
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Assessment method [1]
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Timepoint [1]
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The study conclusion date has been adjusted to 30th June 2015.
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Secondary outcome [1]
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Non-parametric statistics and widely accepted error metrics (such as mean absolute relative difference) will be used to assess the effects of sensor site comparing sensor data collected from the thigh to that collected from the abdomen.
The impact of illness and medications/therapies will be investigated via multiple regression and correlation methods to assess their impact on performance
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Assessment method [1]
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Timepoint [1]
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Secondary outcomes will be evaluated by the proposed end of study
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Eligibility
Key inclusion criteria
(i) The participant is treated using intensive insulin therapy, (ii) Expected to remain in ICU for at least 3-5 days, and (iii) a platelet count > 30,000 per micro-litre
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Minimum age
16
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
(i) Not expected to survive intensive care, (ii) Unable to obtain consent, (iii) Any conditions that might preclude the use of CGM such as skin lesions affecting proposed insertion areas, (iv) Lack of clinical equipoise, (v) Pregnant subjects, and (vi) subject is receiving treatment that includes Hydroxyurea.
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Study design
Purpose
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Duration
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Selection
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Timing
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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
1/03/2012
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Actual
22/06/2012
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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
80
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Accrual to date
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Final
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Recruitment outside Australia
Country [1]
4084
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New Zealand
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State/province [1]
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Canterbury
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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 Canterbury
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Address [1]
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PO BOX 4800, Creyke Road, Ilam, Christchurch, 8041
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Country [1]
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New Zealand
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Primary sponsor type
University
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Name
University of Canterbury
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Address
PO BOX 4800, Creyke Road, Ilam, Christchurch, 8041
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Country
New Zealand
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Secondary sponsor category [1]
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Hospital
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Name [1]
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Christchurh Hospital, Canterbury
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Address [1]
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2 Riccarton Avenue, Private Bag 4170, Christchurch, 8011
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Country [1]
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New Zealand
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Upper South A Regional Ethics Committee
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Ethics committee address [1]
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c/- Ministry of Health Montgomery Watson Building 6 Hazeldean Road Christchurch, 8024
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Ethics committee country [1]
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New Zealand
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Date submitted for ethics approval [1]
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27/02/2012
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Approval date [1]
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09/05/2012
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Ethics approval number [1]
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URA/12/02/004
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Ethics committee name [2]
286585
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Ethics committee address [2]
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Ethics committee country [2]
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Date submitted for ethics approval [2]
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30/01/2012
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Approval date [2]
286585
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Ethics approval number [2]
286585
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Summary
Brief summary
Control of blood glucose (BG) to a normal range in critical care has shown distinct benefits, but has also proven difficult to obtain. The risk of severe hypoglycaemia (blood glucose < 2.2mmol/L) raises significant concerns for patient safety. Accurate BG measurements are essential for control protocols to work safely and effectively. This study will be completed in two parts: 1 – The current method of measuring BG levels (glucometer) will be assessed/validated in critically ill patients. Glucometer measurements will be compared to paired gold standard BG measurements, determined by the blood gas machine. The goal is to improve care through more accurate bedside BG measurement methods. 2 – Continuous Glucose Monitors (CGMs) offer an automated 5 minute measurement rate with the trade off of reduced accuracy. Compared to glucometers, these devices are capable of capturing glycaemic trends that would normally go unnoticed when measuring 1-4 hourly. CGMs will be used as an observational tool in critically ill patients in this study. Each patients will have 3 CGMs attached concurrently (two in the abdomen, one in the thigh), allowing variability of the device to be assessed. Analysis of the CGM data will help our understanding of the CGM error characteristics. If variability is managed effectively, these devices offer the potential to improve BG control while reducing nursing workload.
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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 Geoffrey M. Shaw
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Address
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Department of Intensive Care Medicine Christchurch Hospital 2 Riccarton Avenue Private Bag 4710, Christchurch, 8011
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Country
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New Zealand
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Phone
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+64 3 364 1077
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Fax
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+64 3 364 0099
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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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Dr Geoffrey M. Shaw
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Address
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Department of Intensive Care Medicine
Christchurch Hospital
2 Riccarton Avenue
Private Bag 4710, Christchurch, 8011
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Country
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New Zealand
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Phone
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+64 3 364 1077
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Fax
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+64 3 364 0099
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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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Dr Geoffrey M. Shaw
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Address
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Department of Intensive Care Medicine
Christchurch Hospital
2 Riccarton Avenue
Private Bag 4710, Christchurch, 8011
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Country
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New Zealand
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Phone
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+64 3 364 1077
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Fax
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+64 3 364 0099
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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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