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Trial registered on ANZCTR
Registration number
ACTRN12612001037897
Ethics application status
Approved
Date submitted
27/09/2012
Date registered
27/09/2012
Date last updated
27/09/2012
Type of registration
Prospectively registered
Titles & IDs
Public title
The effect that moderate exercise has on the cardiovascular function in sedentary, overweight adults
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Scientific title
The effect of perceptually-regulated exercise training on cerebrovascular reactivity function and flow-mediated dilatation in sedentary, overweight adults
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Secondary ID [1]
281313
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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:
Overweight/obese
287525
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sedentary
287526
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Condition category
Condition code
Cardiovascular
287848
287848
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0
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Other cardiovascular diseases
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Diet and Nutrition
287849
287849
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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
8 week exercise program of 3 times a week, 30 mins per session at a moderate intensity (RPE 13).
The participant will be walking/jogging on a treadmill at a maximum of "somewhat hard". They will be supervised by gym staff who are either qualified exercise physiologists or Human Movement students/graduates.
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Intervention code [1]
285775
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Lifestyle
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Intervention code [2]
285776
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Treatment: Other
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Intervention code [3]
285777
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Prevention
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Comparator / control treatment
no exercise for the same period. Maintaining the current exercise and dietary behaviours.
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Control group
Active
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Outcomes
Primary outcome [1]
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Flow mediated dilatation of the brachial artery - B Mode ultrasound, GE Logiq 7
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Assessment method [1]
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Timepoint [1]
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baseline (week 0) and post intervention (week 8)
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Primary outcome [2]
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Cerebrovascular reactivity of the middle cerebral artery - Multigon Transcranial Doppler sonography
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Assessment method [2]
288071
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Timepoint [2]
288071
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baseline (week 0) and post intervention (week 8)
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Secondary outcome [1]
299372
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VO2 max using the modified Balke-Ware graded exercise test with online gas analysis
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Assessment method [1]
299372
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Timepoint [1]
299372
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baseline (week 0) and post intervention (week 8)
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Eligibility
Key inclusion criteria
30-55 years old
sedentary (exercise less than 30 mins 3 x p/w at a moderate intensity)
BMI 25-40
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Minimum age
30
Years
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Maximum age
55
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
cardiovascular or respiratory disease
diabetes
pregnant or lactating
smoking or within 1 year of quitting
any other factors preventing exercise
medications affecting cardiovascular function
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Study design
Purpose of the study
Prevention
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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)
the subject is screened using the ESSA adult pre-exercise questionnaire. If fitting within criteria and gives consent then they will be randomly allocated (via stratification) to either the intervention or control group.
allocation will be done by a person not involved in screening or testing.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
stratified randomisation based on age, gender and BMI. Randomisation will be done in microsoft excel by a non-involved person in testing and data analysis.
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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
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Phase
Not Applicable
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Not yet recruiting
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Date of first participant enrolment
Anticipated
2/10/2012
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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
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]
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University
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Name [1]
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University of South Australia
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Address [1]
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251-261 North Terrace, Adelaide, South Australia, 5000
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Country [1]
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Australia
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Primary sponsor type
University
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Name
University of South Australia
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Address
251-261 North Terrace, Adelaide, South Australia, 5000
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Country
Australia
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Secondary sponsor category [1]
284884
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None
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Name [1]
284884
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Address [1]
284884
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Country [1]
284884
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
288119
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Human Research Ethics Committee
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Ethics committee address [1]
288119
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251-261 North Terrace, Adelaide, South Australia, 5000
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Ethics committee country [1]
288119
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Australia
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Date submitted for ethics approval [1]
288119
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Approval date [1]
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12/09/2012
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Ethics approval number [1]
288119
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0000030272
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Summary
Brief summary
We are looking at the effects of exercise compared to no exercise on the cardiovascular function in the peripheral (arm) and cerebral (head) arteries.
We expect to see a change in the peripheral and cerebral arteries from exercise.
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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
34767
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Phone
34767
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Fax
34767
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Email
34767
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Contact person for public queries
Name
18014
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Kendall Morrison
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Address
18014
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251-261 North Terrace, Adelaide, South Australia, 5000
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Country
18014
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Australia
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Phone
18014
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+61 8 8302 2287
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Fax
18014
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Email
18014
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[email protected]
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Contact person for scientific queries
Name
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Kendall Morrison
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Address
8942
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251-261 North Terrace, Adelaide, South Australia, 5000
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Country
8942
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Australia
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Phone
8942
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+61 8 8302 2287
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Fax
8942
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Email
8942
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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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