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Trial registered on ANZCTR
Registration number
ACTRN12612001213831
Ethics application status
Approved
Date submitted
13/11/2012
Date registered
16/11/2012
Date last updated
16/11/2012
Type of registration
Retrospectively registered
Titles & IDs
Public title
A randomised placebo controlled crossover trial to evaluate the effects of intrajejunal taurocholic acid on gastrointestinal hormone secretion and glycaemia in response to intrajejunal glucose infusion in healthy humans for the future design of treatments for type 2 diabetes mellitus
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Scientific title
A randomised placebo controlled crossover trial to evaluate the effects of intrajejunal taurocholic acid on gastrointestinal hormone secretion and glycaemia in response to intrajejunal glucose infusion in healthy humans for the future design of treatments for type 2 diabetes mellitus
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Secondary ID [1]
281538
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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:
Designing future treatments for type 2 diabetes mellitus
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Condition category
Condition code
Metabolic and Endocrine
288155
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0
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Diabetes
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Each healthy volunteer will undergo two treatments (one with taurocholic acid (TCA) 4g and one with control), in double- blind, randomised fashion, separated by 7 days. On each day a small intestinal catheter will be positioned for TCA or control (saline) infusion into the jejunum during both 30 minutes of fasting (2g TCA or saline control) and 120 minutes of concurrent glucose infusion (2g TCA or saline control, together with 60g glucose).
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Intervention code [1]
286053
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Treatment: Drugs
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Comparator / control treatment
Saline infusion
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Control group
Placebo
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Outcomes
Primary outcome [1]
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Blood glucose concentrations
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Assessment method [1]
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Timepoint [1]
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T= -30, -15, 0, 15, 30, 45, 60, 75, 90, 105, and 120 min, where 2g TCA or control is infused between T= -30 to 0 min, and 2g TCA or control plus 60g glucose is infused between T= 0 to 120 min.
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Secondary outcome [1]
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Plasma GLP-1 concentrations
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Assessment method [1]
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Timepoint [1]
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T= -30, -15, 0, 15, 30, 45, 60, 75, 90, 105, and 120 min, where 2g TCA or control is infused between T= -30 to 0 min, and 2g TCA or control plus 60g glucose is infused between T= 0 to 120 min.
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Secondary outcome [2]
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Plasma insulin concentrations
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Assessment method [2]
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Timepoint [2]
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T= -30, -15, 0, 15, 30, 45, 60, 75, 90, 105, and 120 min, where 2g TCA or control is infused between T= -30 to 0 min, and 2g TCA or control plus 60g glucose is infused between T= 0 to 120 min.
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Eligibility
Key inclusion criteria
Healthy subjects; Body mass index (BMI) 19 - 30 kg/m2; Haemoglobin > 135 g/L
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Minimum age
18
Years
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Maximum age
65
Years
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Sex
Males
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
Medications affecting gut function; Alcohol intake >20g daily or cigarette smoking; Significant gastrointestinal disease or surgery; Impaired liver or renal function; Blood donation within 3 months
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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)
numbered containers
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
computer-generated random number table
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
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Intervention assignment
Crossover
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Other design features
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Phase
Phase 1
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Type of endpoint/s
Efficacy
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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
6/02/2012
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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
14
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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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Government body
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Name [1]
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National Health and Medical Research Council
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Address [1]
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National Health and Medical Research Council GPO Box 1421 Canberra ACT 2601
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Country [1]
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Australia
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Primary sponsor type
Hospital
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Name
Royal Adelaide Hospital
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Address
North Terrace Adelaide South Australia 5000
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Country
Australia
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Secondary sponsor category [1]
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None
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Name [1]
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Address [1]
285105
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Country [1]
285105
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
288389
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Royal Adelaide Hospital Human Research Ethics Committee
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Ethics committee address [1]
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Level 3, Hanson Institute Royal Adelaide Hospital, North Terrace, Adelaide SA 5000
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Ethics committee country [1]
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Australia
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Date submitted for ethics approval [1]
288389
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Approval date [1]
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19/12/2011
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Ethics approval number [1]
288389
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111209
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Summary
Brief summary
The study is designed to evaluate the effects of intrajejunal taurocholic acid on the release of glucagon-like peptide 1 (GLP-1) from the small intestine, and the glycaemic response to concomitant intrajejunal glucose infusion in healthy subjects.
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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
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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A/Prof Chris Rayner
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Address
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Discipline of Medicine Royal Adelaide Hospital North Terrace Adelaide SA 5000
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Country
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Australia
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Phone
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+61 8 82222916
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Fax
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+61 8 82233870
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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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A/Prof Chris Rayner
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Address
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Discipline of Medicine Royal Adelaide Hospital North Terrace Adelaide SA 5000
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Country
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Australia
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Phone
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+61 8 82222916
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Fax
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+61 8 82233870
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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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