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Trial registered on ANZCTR
Registration number
ACTRN12606000107527
Ethics application status
Approved
Date submitted
25/01/2006
Date registered
23/03/2006
Date last updated
23/03/2006
Type of registration
Retrospectively registered
Titles & IDs
Public title
Weight Loss & Cardiovascular Risk in Type 2 Diabetes Study
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Scientific title
Effect of energy restriction and exercise training on flow-mediated dilatation and oxidative stress in sedentary overweight and obese subjects with type 2 diabetes
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Universal Trial Number (UTN)
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Trial acronym
n/a
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Type 2 diabetes
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Obesity
1072
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Condition category
Condition code
Metabolic and Endocrine
1151
1151
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0
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Diabetes
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Diet and Nutrition
1152
1152
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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
12 weekdietary weight loss (energy restriction) & aerobic exercise training program
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Intervention code [1]
865
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Lifestyle
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Comparator / control treatment
12 week dietary weight loss program (energy restriction)
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Control group
Placebo
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Outcomes
Primary outcome [1]
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1. Endothelial function (flow mediated dilatation)
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Assessment method [1]
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Timepoint [1]
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Measured at week 0 (baseline) and week 12 (end of intervention).
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Primary outcome [2]
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2. Cardiovascular disease risk markers
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Assessment method [2]
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Timepoint [2]
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Measured at week 0 (baseline) and week 12 (end of intervention).
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Secondary outcome [1]
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n/a
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Assessment method [1]
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Timepoint [1]
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Eligibility
Key inclusion criteria
BMI greater than 27, less than 40Type 2 diabetes.
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Minimum age
18
Years
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Maximum age
60
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
Beta-blocker or glucocortcoids medicationdietary supplementsregular physcial exercise.
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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)
Volunteers will be randomly allocated by computer generated sequence to study treatments.This allocation will be concealed from research staff by a locked computer file.However, due to the nature of the treatments being investigated, the sequence allocation cannot be consealed from the volunteers.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
volunteers will be initially blocked matched into 2 groups based on age, body mass index and gender prior to randomisation by computer generated sequence
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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
Parallel
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Other design features
n/a
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Phase
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Active, not recruiting
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Date of first participant enrolment
Anticipated
6/03/2006
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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
40
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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]
1256
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Charities/Societies/Foundations
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Name [1]
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diabetes aust research trust
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Address [1]
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Country [1]
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Australia
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Funding source category [2]
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Government body
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Name [2]
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CSIRO Human Nutrition
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Address [2]
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Country [2]
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Australia
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Funding source category [3]
1258
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Other Collaborative groups
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Name [3]
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Aust technology network
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Address [3]
1258
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Country [3]
1258
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Australia
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Primary sponsor type
Government body
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Name
CSIRO & Diabetes Aust research trust
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Address
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Country
Australia
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Secondary sponsor category [1]
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Other Collaborative groups
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Name [1]
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Aust technology network
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Address [1]
1115
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Country [1]
1115
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United Arab Emirates
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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CSIRO & University of South Australia
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Ethics committee address [1]
2593
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Ethics committee country [1]
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Australia
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Date submitted for ethics approval [1]
2593
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Approval date [1]
2593
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Ethics approval number [1]
2593
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Summary
Brief summary
The principal aim of this research project is to determine the separate effects of energy restriction/weight loss and aerobic exercise training on blood vessel function in sedentary overweight and obese subjects with type 2 diabetes. It is a secondary aim to evaluate whether physical exercise training and weight loss will enhance antioxidant capacity, reduce oxidative stress and increase nitric oxide bioavailability
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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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Dr Grant Brinkworth
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Address
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Commonwealth Scientific and Industrial Research Organisation (CSIRO) Human Nutrition
PO Box 10041
Adelaide BC SA 5000
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Country
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Australia
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Phone
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+61 8 83038830
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Fax
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+61 8 8303 8899
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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 Grant Brinkworth
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Address
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Commonwealth Scientific and Industrial Research Organisation (CSIRO) Human Nutrition
PO Box 10041
Adelaide BC SA 5000
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Country
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Australia
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Phone
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+61 8 83038830
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Fax
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+61 8 8303 8899
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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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