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Trial registered on ANZCTR
Registration number
ACTRN12617000310369
Ethics application status
Approved
Date submitted
3/02/2017
Date registered
27/02/2017
Date last updated
27/02/2017
Type of registration
Retrospectively registered
Titles & IDs
Public title
Development of a method for describing lactate kinetics in ICU patients – a pilot study in healthy volunteers.
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Scientific title
Development of a method for describing lactate kinetics in ICU patients using a stable labeled 13C-lactate bolus – a pilot study in healthy volunteers.
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Secondary ID [1]
291072
0
None
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Universal Trial Number (UTN)
U1111-1192-4875
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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:
Intensive care patients
301883
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Condition category
Condition code
Metabolic and Endocrine
301548
301548
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0
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Other metabolic disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Healthy volunteers will receive a peripheral venous catheter and an arterial catheter. They will then receive a bolus of 13-labelled lactate (2.7mg/kg) and blood samples will be drawn continuously during the next two hours (not more than 100ml blood will be drawn).
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Intervention code [1]
297061
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Diagnosis / Prognosis
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Comparator / control treatment
None
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
300949
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Enrichment of 13-lactate. Rate of appearance and rate of disappearance of endogenous lactate will be assessed by Gas Chromatography-Mass spectrometry (GC-MS)
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Assessment method [1]
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Timepoint [1]
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Samples are taken at baseline and throughout the following two hours, every other minute the first hour and every fifth minute the second hour (t=0 and at time points: 2, 4, 6,... 56, 58, 60, 65, 70, 75... 110, 115, 120)
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Secondary outcome [1]
331258
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Normalization of lactate levels after bolus, defined as return to baseline levels (t=0).
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Assessment method [1]
331258
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Timepoint [1]
331258
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Samples are taken at baseline and throughout the following two hours, every other minute the first hour and every fifth minute the second hour (t=0 and at time points: 2, 4, 6,... 56, 58, 60, 65, 70, 75... 110, 115, 120)
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Eligibility
Key inclusion criteria
Healthy volunteers without ongoing mediaction
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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?
Yes
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Key exclusion criteria
Abnormalities on lab screening, including pregnancy test
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Study design
Purpose of the study
Diagnosis
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Allocation to intervention
Non-randomised trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
Pharmacokinetics
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Statistical methods / analysis
Mathematical modeling of rate of appearance / disappearance.
ANOVA for repeated measurements and student´s t-test to compare individual time points will be used for statistical analysis.
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Recruitment
Recruitment status
Recruiting
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Date of first participant enrolment
Anticipated
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Actual
13/01/2017
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Date of last participant enrolment
Anticipated
31/03/2017
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Actual
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Date of last data collection
Anticipated
31/03/2017
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Actual
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Sample size
Target
6
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Accrual to date
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Final
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Recruitment outside Australia
Country [1]
8620
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Sweden
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State/province [1]
8620
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Funding & Sponsors
Funding source category [1]
295512
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Hospital
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Name [1]
295512
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Karolinska University Hospital
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Address [1]
295512
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Karolinska University Hospital
Dept of Anesthesiology and Intensive Care
K32
141 86 Stockholm Sweden
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Country [1]
295512
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Sweden
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Funding source category [2]
295515
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University
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Name [2]
295515
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Karolinska Institutet
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Address [2]
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CLINTEC, dept of Anesthesiology and Intensive Care
K32
141 86 Stockholm Sweden
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Country [2]
295515
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Sweden
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Primary sponsor type
Hospital
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Name
Karolinska University Hospital
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Address
Karolinska University Hospital
Dept of Anesthesiology and Intensive Care
K32
141 86 Stockholm Sweden
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Country
Sweden
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Secondary sponsor category [1]
294530
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None
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Name [1]
294530
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None
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Address [1]
294530
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Country [1]
294530
0
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
296839
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Regional Ethics Committee Stockholm
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Ethics committee address [1]
296839
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Tomtebodavägen 18A, FE 289 171 77 STOCKHOLM
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Ethics committee country [1]
296839
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Sweden
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Date submitted for ethics approval [1]
296839
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31/03/2016
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Approval date [1]
296839
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04/05/2016
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Ethics approval number [1]
296839
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2016/722-31/1
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Summary
Brief summary
In order to study lactate kinetics in ICU patients with a minimally invasive technique we are performing this pilot study on healthy volunteers. After a standard health form, medical examination and testing the fasting subjects will receive venous and arterial catheters. Base line samples are drawn and frozen. A bolus of stable isotopically labeled 13C-lactate will be given (2.7mg/kg body weight). Blood samples will be drawn at 37 time points throughout 2 hours (not more than 100ml blood al together). Samples will be analyzed at bedside analyzer and snap frozen for later analysis for relationship between 13C-labelled and normal lactate. Subjects will monitored with ECG, pulsoximetry and blood pressure throughout the experiment.
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Trial website
No
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Trial related presentations / publications
No
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Public notes
No
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Contacts
Principal investigator
Name
72190
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Prof Jan Wernerman
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Address
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Karolinska University Hospital
Dept. of Anesthesiology and Intensive Care
K32
141 86 Stockholm Sweden
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Country
72190
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Sweden
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Phone
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+46858586337
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Fax
72190
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Email
72190
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[email protected]
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Contact person for public queries
Name
72191
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Jonathan Grip
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Address
72191
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Karolinska University Hospital
Dept. of Anesthesiology and Intensive Care
K32
141 86 Stockholm Sweden
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Country
72191
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Sweden
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Phone
72191
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+46736230906
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Fax
72191
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Email
72191
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[email protected]
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Contact person for scientific queries
Name
72192
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Jonathan Grip
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Address
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Karolinska University Hospital
Dept. of Anesthesiology and Intensive Care
K32
141 86 Stockholm Sweden
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Country
72192
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Sweden
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Phone
72192
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+46736230906
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Fax
72192
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Email
72192
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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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