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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT02177604
Registration number
NCT02177604
Ethics application status
Date submitted
19/06/2014
Date registered
27/06/2014
Date last updated
25/05/2018
Titles & IDs
Public title
Can Brief High-intensity Interval Training Mitigate the Adverse Consequences of High-fat Overfeeding?
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Scientific title
Can Brief High-intensity Interval Training Mitigate the Adverse Consequences of High-fat Overfeeding?
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Secondary ID [1]
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140319
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Universal Trial Number (UTN)
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Trial acronym
GAINHIT
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Insulin Resistance
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Condition category
Condition code
Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Other interventions - Wingate HIT
Other interventions - Modified HIT
Other interventions - High-fat overfeeding
Experimental: Wingate HIT - 7 days of high-fat overfeeding (50% excess calories) in conjunction 3 supervised sessions of Wingate High-intensity Interval Training.
Experimental: Modified HIT - 7 days of high-fat overfeeding (50% excess calories) in conjunction with 3 supervised sessions of Modified High-Intensity Interval Training
Active comparator: No Exercise Control - 7 days of high-fat overfeeding (50% excess calories) with no supervised exercise
Other interventions: Wingate HIT
3 sessions of Wingate based High-Intensity Interval Training (6-8 x 15 second "all out" sprints on a cycle ergometer interspersed by 2 minutes recovery)
Other interventions: Modified HIT
3 sessions of Modified High-Intensity Interval Training (8 x 60 second sprints at approximately 90-95% VO2 peak on a cycle ergometer interspersed by 60 seconds recovery)
Other interventions: High-fat overfeeding
7 days of high-fat overfeeding (50% excess calories)
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Intervention code [1]
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Other interventions
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Change in glucose metabolism
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Assessment method [1]
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Changes in insulin and glucose area under the curve assessed via 75g Oral Glucose Tolerance Test.
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Timepoint [1]
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1 week
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Secondary outcome [1]
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Change in plasma levels of cytokines
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Assessment method [1]
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Change in plasma levels of adiponectin, irisin, sex hormone-binding globulin and c-reactive protein
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Timepoint [1]
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1 week
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Eligibility
Key inclusion criteria
* Sedentary (no more than 2 sessions of structured moderate intensity aerobic exercise or resistance training per week)
* Overweight (BMI 25-29.9 kg/m2)
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Minimum age
18
Years
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Maximum age
45
Years
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Sex
Males
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
* Personal history of any major illness (i.e. cardiovascular disease, diabetes, hypertension, cancer, renal/liver impairments, major psychiatric disorders, eating disorders etc.)
* History of chest pain (either at rest or during exercise.)
* Abnormal resting ECG at screening visit
* Chronic use of any prescribed or non-prescribed medications (i.e. anti-hypertensive, statins, metformin, anti-inflammatories, antidepressants etc.)
* Blood pressure or blood lipids outside of reference ranges
* Serum ferritin <30ng/mL
* Uncontrolled asthma, current fever, or upper respiratory infection
* Current intake of > 140g alcohol/week
* Current smokers of cigarettes/cigars/marijuana
* Current intake of any illicit substance
* Experience claustrophobia in confined spaces
* Donated blood in the past 3 months
* Migraines
* Unable to comprehend study protocol
* Unable to perform exercise on a cycle ergometer at second screening visit
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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)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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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
NA
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Stopped early
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/11/2014
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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
1/12/2016
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Sample size
Target
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Accrual to date
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Final
7
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Recruitment in Australia
Recruitment state(s)
SA
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Recruitment hospital [1]
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South Australian Health & Medical Research Institute - Adelaide
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Recruitment postcode(s) [1]
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5000 - Adelaide
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Funding & Sponsors
Primary sponsor type
Other
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Name
University of Adelaide
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Address
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Country
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Other collaborator category [1]
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Other
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Name [1]
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Royal Adelaide Hospital
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Address [1]
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Country [1]
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Other collaborator category [2]
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Other
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Name [2]
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University of South Australia
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Address [2]
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Country [2]
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Ethics approval
Ethics application status
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Summary
Brief summary
Previous research has shown that indulging in 50% more calories than required for as little as 3 days can significantly impact markers of metabolic health in lean and overweight individuals. Here, the investigators will determine if 3 brief sessions of high-intensity interval training can mitigate the adverse consequences of 7 days high-fat overfeeding in sedentary, overweight males.
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Trial website
https://clinicaltrials.gov/study/NCT02177604
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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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Leonie Heilbronn, PhD
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Address
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University of Adelaide
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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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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 scientific queries
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
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT02177604
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