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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT01230632
Registration number
NCT01230632
Ethics application status
Date submitted
28/10/2010
Date registered
29/10/2010
Date last updated
10/12/2013
Titles & IDs
Public title
Metabolic Phenotyping of Individuals Born Following Assisted Reproduction Techniques
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Scientific title
Metabolic Phenotyping of Individuals Born Following Assisted Reproduction
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Secondary ID [1]
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100510a
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Universal Trial Number (UTN)
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Trial acronym
IMPART
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Metabolic Syndrome
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Diabetes
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Condition category
Condition code
Metabolic and Endocrine
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Metabolic disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Other - high fat overfeeding
Experimental: Dietary Supplement - 3 days high fat food
Treatment: Other: high fat overfeeding
Dietary Supplement:3 days overfeeding
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Intervention code [1]
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Treatment: Other
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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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intravenous glucose tolerance test (IVGTT)
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Assessment method [1]
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After infusion of glucose bolus(0.3mg/kg, 50% glucose), blood samples are taken at 0,1,3,5,7,10,20,30 and 60 minutes. The value of glucose is recorded respectively (unit:mMol/L).
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Timepoint [1]
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18 months
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Secondary outcome [1]
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insulin sensitivity
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Assessment method [1]
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A 2-hour hyperinsulinemic euglycemic clamp (60mU/m2/min) is used to measure insulin sensitivity(µmol/min/kg Fat Free Mass). This is calculated by the formula from the amount of dextrose necessary to maintain blood glucose at 5mmol/L.
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Timepoint [1]
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18 months
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Eligibility
Key inclusion criteria
* Post-pubertal healthy individuals aged 18-25years
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Minimum age
16
Years
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Maximum age
26
Years
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Sex
Both males and females
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
* Participants are ineligible if they have any significant medical conditions (e.g. personal history or clinical manifestation of cardiovascular disease, type 2 diabetes),
* strong family histories of diabetes or cardiovascular disease (e.g. first-degree relatives),
* take concomitant medications (eg: metformin),
* if they smoke or drink >140g of alcohol/week, , or
* were born prematurely (<37 weeks), or
* from mothers who had gestational diabetes.
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Study design
Purpose of the study
Other
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Allocation to intervention
Non-randomised 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
Completed
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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
1/09/2010
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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
1/09/2013
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Sample size
Target
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Accrual to date
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Final
34
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Recruitment in Australia
Recruitment state(s)
SA
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Recruitment hospital [1]
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Leonie Heilbronn - 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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Ethics approval
Ethics application status
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Summary
Brief summary
This study is to compare the effects of high fat overfeeding on metabolic risk factors in children born though assisted reproduction technologies (ART) versus children conceived naturally (controls). The investigators will utilize state of the ART measures to characterize the physiological, endocrine and molecular responses to high fat overfeeding. The investigators hypothesize that children conceived following ART will have greater responses to high fat dietary challenge and that this will be associated with DNA hypermethylation of genes that are involved in lipid metabolism.
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Trial website
https://clinicaltrials.gov/study/NCT01230632
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Trial related presentations / publications
Chen M, Liu B, Wilkinson D, Hutchison AT, Thompson CH, Wittert GA, Heilbronn LK. Selenoprotein P is elevated in individuals with obesity, but is not independently associated with insulin resistance. Obes Res Clin Pract. 2017 Mar-Apr;11(2):227-232. doi: 10.1016/j.orcp.2016.07.004. Epub 2016 Aug 11. Chen M, Wu L, Zhao J, Wu F, Davies MJ, Wittert GA, Norman RJ, Robker RL, Heilbronn LK. Altered glucose metabolism in mouse and humans conceived by IVF. Diabetes. 2014 Oct;63(10):3189-98. doi: 10.2337/db14-0103. Epub 2014 Apr 23.
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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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Department of Medicine
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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/NCT01230632
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