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Trial registered on ANZCTR
Registration number
ACTRN12608000306314
Ethics application status
Approved
Date submitted
24/06/2008
Date registered
26/06/2008
Date last updated
3/07/2012
Type of registration
Retrospectively registered
Titles & IDs
Public title
Acute effect of resistance exercise on blood glucose levels in Type 1 diabetes
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Scientific title
Acute effect of resistance exercise on blood glucose levels in Type 1 diabetes
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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 1 diabetes
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Condition category
Condition code
Metabolic and Endocrine
3468
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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
Blood glucose is measured continuously during two 3-day periods. During one of these 3-day periods, a 1 hour resistance exercise session is performed consisting of the following exercises: Bench Press, Leg Extensions, Upright Row, Lateral Pull-downs, Dumbbell Flys, squats and abdominal crunches. During the other 3-day period no exercise is performed. Each participant acts as their own control and completes both 3-day periods with a minimum of 3 days washout in between.
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Intervention code [1]
3045
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Other interventions
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Comparator / control treatment
No exercise.
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Control group
Active
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Outcomes
Primary outcome [1]
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Blood glucose (measured continuously)
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Assessment method [1]
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Timepoint [1]
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Baseline (pre-exercise/control), Day 1 (Exercise/Control session and following evening), Day 1 overnight, Day 2, Day 2 overnight, and Day 3.
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Secondary outcome [1]
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Safety - post resistance exercise hypoglycemia. Hypoglycemic will be assesses by examining blood glucose levels following resistance exercise compared to rest. This will be measured from the continuous glucose monitor downloaded data.
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Assessment method [1]
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Timepoint [1]
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Total time spent with blood glucose level below 3.5mmol/l in the 48 hours following resistance exercise compared to rest.
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Eligibility
Key inclusion criteria
Type 1 diabetes
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Minimum age
18
Years
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Maximum age
45
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
History of hypoglycemic unawareness, untreated proliferative retinopathy, proteinuria, cardiovascular disease, any absolute exercise contraindications.
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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)
A Treatment session (1-hour resistance exercise) and control (no exercise) is conducted by each participant during the two 3-day periods in random order. Order determined for each partciipant by random selection of sealed envelope containing order.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Total of 16 envelopes - half sealed envelopes contained exercie/rest and half contained rest/exercise.
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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
Crossover
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Other design features
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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
Completed
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Date of first participant enrolment
Anticipated
3/03/2005
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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
15
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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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Commercial sector/Industry
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Name [1]
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Novo Nordisk Regional Diabetes Support Scheme
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Address [1]
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PO Box 862, Hawthorn, VIC 3122
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Country [1]
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Australia
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Funding source category [2]
3514
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Commercial sector/Industry
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Name [2]
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Medtronic Minimed
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Address [2]
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Northridge, California
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Country [2]
3514
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United States of America
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Primary sponsor type
Commercial sector/Industry
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Name
Novo Nordisk Regional Diabetes Support Scheme
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Address
PO Box 863, Hawthorn, VIC 3122
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Country
Australia
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Secondary sponsor category [1]
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Other
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Name [1]
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International Diabetes Institute
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Address [1]
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250 Kooyong Road, Caulfield, VIC 3162
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Country [1]
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Australia
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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International Diabetes Institute Ethics Committee
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Ethics committee address [1]
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c/- 250 Kooyong Road, Caulfield, VIC 3162
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Ethics committee country [1]
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Australia
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Date submitted for ethics approval [1]
5549
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Approval date [1]
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22/01/2005
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Ethics approval number [1]
5549
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7/2004
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Summary
Brief summary
Beneficial effects of moderate- to high- injtensity resistance exercise have been reported in Type 2 diabetes but there is little information available regarding the effects of resistance exercise in Type 1 diabetes. Therefore the purpose of this study is to examine the effects of an acute bout of moderate- to high- intensity resistance exercise on 48-hour blood glucose profiles in Type 1 diabetes using continuous glucose monitoring.
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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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Carol Robinson
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Address
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International Diabetes Institute
250 Kooyong Road, Caulfield, VIC 3162
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Country
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Australia
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Phone
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(03) 9258 5075
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Fax
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(03) 9258 5090
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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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Carol Robinson
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Address
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International Diabetes Institute
250 Kooyong Road, Caulfield, VIC 3162
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Country
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Australia
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Phone
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(03) 9258 5075
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Fax
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(03) 9258 5090
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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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