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Trial registered on ANZCTR
Registration number
ACTRN12610001036000
Ethics application status
Approved
Date submitted
23/11/2010
Date registered
24/11/2010
Date last updated
16/11/2015
Type of registration
Prospectively registered
Titles & IDs
Public title
Finding the Genes for Gout: the effect of fructose
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Scientific title
The influence of genetic variants on fructose-induced hyperuricaemia
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Secondary ID [1]
253146
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NA
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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:
Hyperuricaemia
258697
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Gout
258707
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Condition category
Condition code
Metabolic and Endocrine
258849
258849
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0
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Other metabolic disorders
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Intervention/exposure
Study type
Observational
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Patient registry
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Target follow-up duration
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Target follow-up type
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Description of intervention(s) / exposure
A sugar solution of 300kcal/300ml will be administered to all participants. This solution will contain 80% fructose and 20% glucose (64g fructose and 16g glucose). Participants will then be observed for three hours.
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Intervention code [1]
257652
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Not applicable
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Comparator / control treatment
Nil
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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Change in serum urate concentration following a fructose challenge (blood test)
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Assessment method [1]
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Timepoint [1]
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30 minutes, 60 minutes, 120 minutes, and 180 minutes after ingestion
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Secondary outcome [1]
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Change in fractional excretion of urate to 3 hours following a fructose challenge (blood and urine test)
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Assessment method [1]
266421
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Timepoint [1]
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30 minutes, 60 minutes, 120 minutes, and 180 minutes after ingestion
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Eligibility
Key inclusion criteria
Able to provide written informed consent
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Minimum age
18
Years
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Maximum age
85
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
a. History of gout
b. History of diabetes mellitus
c. History of fructose intolerance
d. Diuretic use
e. Fasting capillary glucose >6mmol/L
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Study design
Purpose
Natural history
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Duration
Cross-sectional
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Selection
Convenience sample
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Timing
Prospective
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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
1/08/2011
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Actual
6/10/2011
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Date of last participant enrolment
Anticipated
29/02/2012
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Actual
29/02/2012
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Date of last data collection
Anticipated
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Actual
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Sample size
Target
75
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Accrual to date
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Final
76
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Recruitment outside Australia
Country [1]
3063
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New Zealand
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State/province [1]
3063
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Auckland
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Funding & Sponsors
Funding source category [1]
258119
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Government body
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Name [1]
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Health Research Council of New Zealand
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Address [1]
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PO Box 5541, Wellesley Street, Auckland, 1141, New Zealand
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Country [1]
258119
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New Zealand
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Primary sponsor type
Government body
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Name
Health Research Council of New Zealand
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Address
PO Box 5541, Wellesley Street, Auckland, 1141, New Zealand
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Country
New Zealand
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Secondary sponsor category [1]
257297
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None
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Name [1]
257297
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Address [1]
257297
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Country [1]
257297
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
260103
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Multiregion Ethics Committee
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Ethics committee address [1]
260103
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PO Box 5013 Wellington
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Ethics committee country [1]
260103
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New Zealand
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Date submitted for ethics approval [1]
260103
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Approval date [1]
260103
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27/07/2010
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Ethics approval number [1]
260103
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MEC/05/10/130
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Summary
Brief summary
We have previously identified genetic variation in a urate transporter gene SLC2A9 as a key risk factor for development of gout in those of Maori, Pacific and Caucasian ancestry. This transporter is also a fructose transporter and in vitro assays have shown that fructose promotes transport of urate via SLC2A9. These observations are of clinical relevance, as fructose ingestion has been strongly associated with development of hyperuricaemia and gout. We wish to extend our initial observations by examining the influence of SLC2A9 genetic variation on fructose-induced hyperuricaemia. The primary hypothesis is that individuals possessing at least one protective allele at rs11942223 have a lower hyperuricaemic response to a fructose challenge. This study involves a fructose challenge test for 75 healthy volunteer control participants. The fructose challenge test takes approximately 3 hours and involves ingestion of a fructose/glucose drink and serial measurements of blood urate, creatinine and glucose. Blood will also be obtained for genotyping of SLC2A9 variants and other variants associated with hyperuricaemia
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Trial website
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Trial related presentations / publications
http://ard.bmj.com/content/72/11/1868.long http://ard.bmj.com/content/73/1/313.long
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Public notes
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Contacts
Principal investigator
Name
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Prof Nicola Dalbeth
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Address
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Room 502-201D
Bone and Joint Research Group
Department of Medicine
Faculty of Medical and Health Sciences
University of Auckland
85 Park Rd, Grafton, Auckland 1023
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Country
31944
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New Zealand
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Phone
31944
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+64 (0) 9 3737999 x82568
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Fax
31944
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Email
31944
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[email protected]
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Contact person for public queries
Name
15191
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Nicola Dalbeth
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Address
15191
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Bone and Joint Research Group
Department of Medicine
Faculty of Medical and Health Sciences
University of Auckland
Park Rd , Grafton, Auckland 1023
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Country
15191
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New Zealand
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Phone
15191
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+64 (0) 9 3737999 x82568
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Fax
15191
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Email
15191
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[email protected]
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Contact person for scientific queries
Name
6119
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Nicola Dalbeth
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Address
6119
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Bone and Joint Research Group
Department of Medicine
Faculty of Medical and Health Sciences
University of Auckland
Park Rd , Grafton, Auckland 1023
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Country
6119
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New Zealand
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Phone
6119
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+64 (0) 9 3737999 x82568
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Fax
6119
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Email
6119
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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
Source
Title
Year of Publication
DOI
Dimensions AI
Influence of the ABCG2 gout risk 141 K allele on urate metabolism during a fructose challenge
2014
https://doi.org/10.1186/ar4463
Dimensions AI
Body mass index modulates the relationship of sugar-sweetened beverage intake with serum urate concentrations and gout
2015
https://doi.org/10.1186/s13075-015-0781-4
N.B. These documents automatically identified may not have been verified by the study sponsor.
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