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Trial registered on ANZCTR


Registration number
ACTRN12607000240448
Ethics application status
Not yet submitted
Date submitted
5/03/2007
Date registered
7/05/2007
Date last updated
7/05/2007
Type of registration
Retrospectively registered

Titles & IDs
Public title
Liver and muscle triglyceride and muscle metabolic rate in overweight and type 2 diabetes
Scientific title
Effect of aerobic exercise training on changes in muscle metabolic rate, liver and muscle triglyceride concentration in overweight adults and adults with type 2 diabetes
Universal Trial Number (UTN)
Trial acronym
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Type 2 diabetes 1776 0
Overweight 1777 0
Condition category
Condition code
Mental Health 1863 1863 0 0
Diabetes
Diet and Nutrition 1864 1864 0 0
Obesity

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Four week progressive aerobic exercise training versus sedentary control. Participants will undertake supervised cycle ergometer exercise 4 days per week. Week 1: 30 min per day (as 2 x 15 min bouts at 50% VO2max); Week 2: 45 min per day (as 30 min + 15 min bouts at 50% VO2max); Week 3: 60 min per day (as 2 x 30 min at 60% VO2max); Week 4; 60 min per day (as 2 x 30 min or 60 min continuous at 65% VO2max).
Intervention code [1] 1631 0
Treatment: Other
Comparator / control treatment
Volunteers recruited to the 'sedentary control' group will receive no treatment/intervention as they are healthy individuals.
Control group
Uncontrolled

Outcomes
Primary outcome [1] 2645 0
Changes in muscle metabolic rate
Timepoint [1] 2645 0
At 4 weeks relative to baseline
Primary outcome [2] 2646 0
Changes in muscle and liver triglyceride concentration
Timepoint [2] 2646 0
At 4 weeks relative to baseline
Secondary outcome [1] 4497 0
Change in peak aerobic capacity
Timepoint [1] 4497 0
Assessed by incremental exercise test after 4 weeks of training (versus baseline).

Eligibility
Key inclusion criteria
Inclusion for overweight and type 2 diabetes groups: Body mass index (BMI)>25 kg/m2 with or without type 2 diabetes.
Inclusion for lean non-diabetic group = BMI < 25.
Minimum age
18 Years
Maximum age
60 Years
Sex
Both males and females
Can healthy volunteers participate?
No
Key exclusion criteria
BMI>30, advanced cardiovascular disease, musculoskeletal ailment

Study design
Purpose of the study
Treatment
Allocation to intervention
Non-randomised trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Open (masking not used)
Who is / are masked / blinded?



Intervention assignment
Single group
Other design features
Phase
Type of endpoint/s
Efficacy
Statistical methods / analysis

Recruitment
Recruitment status
Not yet recruiting
Date of first participant enrolment
Anticipated
Actual
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
Actual
Sample size
Target
Accrual to date
Final

Funding & Sponsors
Funding source category [1] 2011 0
Commercial sector/Industry
Name [1] 2011 0
Nestle
Country [1] 2011 0
Primary sponsor type
University
Name
University of Sydney
Address
Country
Australia
Secondary sponsor category [1] 1822 0
Commercial sector/Industry
Name [1] 1822 0
Rayscan Imaging Liverpool
Address [1] 1822 0
Country [1] 1822 0
Australia

Ethics approval
Ethics application status
Not yet submitted
Ethics committee name [1] 3739 0
University of Sydney Human Research Ethics Committee
Ethics committee address [1] 3739 0
Ethics committee country [1] 3739 0
Australia
Date submitted for ethics approval [1] 3739 0
Approval date [1] 3739 0
Ethics approval number [1] 3739 0

Summary
Brief summary
Trial website
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 27565 0
Address 27565 0
Country 27565 0
Phone 27565 0
Fax 27565 0
Email 27565 0
Contact person for public queries
Name 10820 0
Dr Nathan Johnson
Address 10820 0
Faculty of Health Sciences
University of Sydney
East St
Lidcombe NSW 2141
Country 10820 0
Australia
Phone 10820 0
+61 2 93519137
Fax 10820 0
Email 10820 0
Contact person for scientific queries
Name 1748 0
Dr Nathan Johnson
Address 1748 0
Faculty of Health Sciences
University of Sydney
East St
Lidcombe NSW 2141
Country 1748 0
Australia
Phone 1748 0
+61 2 93519137
Fax 1748 0
Email 1748 0

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.