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Trial registered on ANZCTR
Registration number
ACTRN12610000520033
Ethics application status
Approved
Date submitted
22/06/2010
Date registered
23/06/2010
Date last updated
12/02/2014
Type of registration
Prospectively registered
Titles & IDs
Public title
A randomised placebo controlled crossover trial to evaluate the effects of different doses of taurocholic acid in a suppository on gastrointestinal hormone secretion and appetite in healthy humans.
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Scientific title
A randomised placebo controlled crossover trial to evaluate the effects of different doses of taurocholic acid in a suppository on gastrointestinal hormone secretion and appetite in healthy humans.
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Secondary ID [1]
252082
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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:
Type 2 diabetes mellitus
257628
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Obesity
257629
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Condition category
Condition code
Metabolic and Endocrine
257802
257802
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0
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Diabetes
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Diet and Nutrition
257804
257804
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0
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Obesity
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Each healthy volunteers will undergo four studies (3 with different doses of taurocholic acid 500mg, 1000mg, and 1500mg and one with control), in double-blind, randomised fashion, separated by 3 - 7 days. On each day the test material will be administered as a suppository.
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Intervention code [1]
256706
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Treatment: Drugs
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Comparator / control treatment
Suppository containing vehicle only containing no additional component
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Control group
Placebo
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Outcomes
Primary outcome [1]
258669
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Plasma concentrations of glucagon-like peptide-1 (GLP-1), Peptide YY (PYY), and oxyntomodulin
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Assessment method [1]
258669
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Timepoint [1]
258669
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T= -5, 10, 30, 60, 90, 120, 180 min, where the suppository is administered at T=0 min
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Secondary outcome [1]
264664
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Appetite scores by visual analogue questionnaire
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Assessment method [1]
264664
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Timepoint [1]
264664
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T= -5, 10, 30, 60, 90, 120, 180 min, where the suppository is administered at T=0 min
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Secondary outcome [2]
264665
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Food intake from an ad libitum buffet meal
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Assessment method [2]
264665
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Timepoint [2]
264665
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Offered over 30 minutes, from 180 - 210 min after the suppository is administered
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Eligibility
Key inclusion criteria
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
19/07/2010
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Actual
5/07/2010
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Date of last participant enrolment
Anticipated
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Actual
8/09/2010
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Date of last data collection
Anticipated
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Actual
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Sample size
Target
12
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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]
257176
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Government body
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Name [1]
257176
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National Health and Medical Research Council
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Address [1]
257176
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National Health and Medical Research Council
GPO Box 1421
Canberra ACT 2601
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Country [1]
257176
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Australia
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Funding source category [2]
257177
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Commercial sector/Industry
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Name [2]
257177
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Satiogen Pharmaceuticals Inc.
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Address [2]
257177
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Satiogen Pharmaceuticals Inc.
350 Tenth Ave, Suite 820
San Diego, CA 92101
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Country [2]
257177
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United States of America
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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]
256434
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None
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Name [1]
256434
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Address [1]
256434
0
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Country [1]
256434
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
259215
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Royal Adelaide Hospital Human Research Ethics Committee
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Ethics committee address [1]
259215
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Level 3, Hanson Institute Royal Adelaide Hospital, North Terrace, Adelaide SA 5000
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Ethics committee country [1]
259215
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Australia
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Date submitted for ethics approval [1]
259215
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Approval date [1]
259215
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31/05/2010
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Ethics approval number [1]
259215
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RAH Protocol No. 100514
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Summary
Brief summary
The study aims to establish whether taurocholic acid, administered as a suppository, can stimulate secretion of the gut peptides GLP-1, PYY, and oxyntomodulin, and suppress subsequent appetite and food intake. This information could be useful in designing treatments for type 2 diabetes and obesity.
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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
31325
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A/Prof Chris Rayner
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Address
31325
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Discipline of Medicine Royal Adelaide Hospital North Terrace Adelaide SA 5000
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Country
31325
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Australia
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Phone
31325
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+61 8 82222916
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Fax
31325
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Email
31325
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[email protected]
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Contact person for public queries
Name
14572
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A/Prof Chris Rayner
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Address
14572
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Discipline of Medicine
Royal Adelaide Hospital
North Terrace
Adelaide SA 5000
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Country
14572
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Australia
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Phone
14572
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+61 8 82222916
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Fax
14572
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+61 8 82233870
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Email
14572
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[email protected]
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Contact person for scientific queries
Name
5500
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A/Prof Chris Rayner
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Address
5500
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Discipline of Medicine
Royal Adelaide Hospital
North Terrace
Adelaide SA 5000
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Country
5500
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Australia
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Phone
5500
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+61 8 82222916
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Fax
5500
0
+61 8 82233870
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Email
5500
0
[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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