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Trial registered on ANZCTR
Registration number
ACTRN12611001018909
Ethics application status
Approved
Date submitted
21/09/2011
Date registered
22/09/2011
Date last updated
22/09/2011
Type of registration
Retrospectively registered
Titles & IDs
Public title
Tramadol administration in the critically ill
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Scientific title
Pharmacokinetics of Subcutaneous Tramadol in Intensive Care Unit (ICU) step down patients
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Secondary ID [1]
263086
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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:
Intensive Care Unit (ICU) Step Down patients who require patient controlled analgesia (PCA) Fentanyl as part of their management after trauma or surgery.
270838
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Condition category
Condition code
Anaesthesiology
271017
271017
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0
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Pain management
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Tramadol Hydrochloride 50mg one injection only on study day. Administered over 1 minute subcutaneously
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Intervention code [1]
269436
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Treatment: Drugs
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Comparator / control treatment
None
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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Rate of absorption of Tramadol administered subcutaneously as indicated by serum concentration of racemic tramadol and urine concentrations of tramadol and its M1 (o-demethyltramadol) and M2 (mono-N-demethyltramadol) metabolites
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Assessment method [1]
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Timepoint [1]
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t=0(pre-dose), 2, 5, 10, 15, 30, 60, 90, 120, 180, 240, 300, 360, 480min and 24h after injection
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Secondary outcome [1]
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Time to peak of Tramadol administered subcutaneously as indicated by serum concentration of racemic tramadol and urine concentrations of tramadol and its M1 (o-demethyltramadol) and M2 (mono-N-demethyltramadol) metabolites
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Assessment method [1]
294172
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Timepoint [1]
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t=0(pre-dose), 2, 5, 10, 15, 30, 60, 90, 120, 180, 240, 300, 360, 480min and 24h after injection
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Eligibility
Key inclusion criteria
ICU Step down patients who require patient controlled analgesia(PCA) Fentanyl as part of their management after trauma or surgery
Adequate venous access to collect blood
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Minimum age
18
Years
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Maximum age
70
Years
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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
Contraindication and/or allergy to the use of Tramadol or Fentanyl
Significant hepatic impairment (3 times the limit of upper range Liver Function Test)
Chronic use of central nervous system depressants
Drugs that inhibit CYP2D6 activity
History of epilepsy
Renal dysfunction (creatinine clearance of less than or equal to 75ml/min)
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Study design
Purpose of the study
Treatment
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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)
1. Informed consent obtained
2. Administration of subcutaneous Tramadol in all subjects (15 subjects)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Nonrandomised trial
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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
Phase 4
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Type of endpoint/s
Pharmacokinetics
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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
24/04/2010
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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
15
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
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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 Adelaide
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Address [1]
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Discipline of Acute Care Medicine
North Terrace
Adelaide
South Australia 5000
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Country [1]
269905
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Australia
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Primary sponsor type
Individual
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Name
Guy Ludbrook
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Address
Discipline of Acute Care Medicine
University of Adelaide
North Terrace
Adelaide
South Australia 5000
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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]
268916
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Associate Professor Marianne Chapman
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Address [1]
268916
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Intensive Care Unit
Royal Adelaide Hospital
North Terrace
Adelaide
South Australia 5000
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Country [1]
268916
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Australia
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Secondary sponsor category [2]
268917
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Individual
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Name [2]
268917
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Associate Professor Pamela Macintyre
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Address [2]
268917
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Department of Anaesthesia
Royal Adelaide Hospital
North Terrace
Adelaide
South Australia 5000
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Country [2]
268917
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Australia
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Secondary sponsor category [3]
268918
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Individual
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Name [3]
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Dr Krishnaswamy Sundararajan
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Address [3]
268918
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Intensive Care Unit
Royal Adelaide Hospital
North Terrace
Adelaide
South Australia 5000
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Country [3]
268918
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Australia
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Secondary sponsor category [4]
268919
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Individual
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Name [4]
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Dr Jennifer Ong
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Address [4]
268919
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University of Adelaide
Discipline of Acute Care Medicine
North Terrace
Adelaide
South Australia 5000
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Country [4]
268919
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Australia
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Secondary sponsor category [5]
268920
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Individual
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Name [5]
268920
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Dr Richard Upton
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Address [5]
268920
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Department of Anaesthesia
Royal Adelaide Hospital
North Terrace
Adelaide
South Australia 5000
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Country [5]
268920
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Australia
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Secondary sponsor category [6]
268921
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Individual
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Name [6]
268921
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Stephanie O'Connor
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Address [6]
268921
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Intensive Care Unit
Royal Adelaide Hospital
North Terrace
Adelaide
South Australia 5000
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Country [6]
268921
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Australia
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
271877
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Royal Adelaide Hospital Research Ethics Committee
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Ethics committee address [1]
271877
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Royal Adelaide Hospital North Terrace Adelaide South Australia 5000
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Ethics committee country [1]
271877
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Australia
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Date submitted for ethics approval [1]
271877
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Approval date [1]
271877
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10/08/2009
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Ethics approval number [1]
271877
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090719
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Summary
Brief summary
The study enabled dosing intervals, peak plasma concentration and rate of absorption of subcutaneous tramadol to be determined in Intensive Care Step Down Unit patients. It also permitted pharmacokinetic comparison with other subcutaneous opioids and assist in clinical decision-making about optimal opioid dosing regimens for moderate to severe acute pain.
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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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Address
33189
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Country
33189
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Phone
33189
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Fax
33189
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Email
33189
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Contact person for public queries
Name
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Dr Krishnaswamy Sundararajan
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Address
16436
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Intensive Care Unit
Royal Adelaide Hospital
North Terrace
Adelaide
South Australia 5000
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Country
16436
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Australia
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Phone
16436
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+61 8 8222 4624
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Fax
16436
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Email
16436
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[email protected]
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Contact person for scientific queries
Name
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Dr Jennifer Ong
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Address
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Deiscipline of Acute Care Medicine
Univerisity of Adelaide
North Terrace
Adelaide
South Australia 5000
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Country
7364
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Australia
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Phone
7364
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+61 8 8303 5909
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Fax
7364
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Email
7364
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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
Source
Title
Year of Publication
DOI
Dimensions AI
Pharmacokinetics of tramadol after subcutaneous administration in a critically ill population and in a healthy cohort
2014
https://doi.org/10.1186/1471-2253-14-33
N.B. These documents automatically identified may not have been verified by the study sponsor.
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