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Trial registered on ANZCTR
Registration number
ACTRN12624001260516p
Ethics application status
Submitted, not yet approved
Date submitted
5/09/2024
Date registered
16/10/2024
Date last updated
16/10/2024
Date data sharing statement initially provided
16/10/2024
Type of registration
Prospectively registered
Titles & IDs
Public title
Evaluating the dietary perceptions, habitual diet and diet quality of adolescents and adults with Primary Sclerosing Cholangitis
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Scientific title
EvaluATing the dietary perceptions, habitual dietary intake, diet quality and adherence to population-based dietary guidelines of adolescents and adults with Primary Sclerosing Cholangitis (EAT-PSC).
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Secondary ID [1]
312913
0
Nil known
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Universal Trial Number (UTN)
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Trial acronym
EAT-PSC
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Primary Sclerosing Cholangitis
335074
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Condition category
Condition code
Oral and Gastrointestinal
331580
331580
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0
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Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon
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Intervention/exposure
Study type
Observational
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Patient registry
False
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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
Primary sclerosing cholangitis (PSC), is a rare autoimmune liver disease with no effective medical therapies. The aetiology and pathogenesis of PSC are unknown, however, evolving evidence suggests dysbiosis of the gut microbiota may be a contributing factor. Diet is a key fertiliser of gut microbiota and therefore has potential to be a modifiable risk factor. However, very limited data on dietary patterns and trends of people with PSC exist
This is an observational study of habitual dietary intake where participants will be asked to complete online questionnaires and a food frequency questionnaire to observe habitual dietary patterns and the dietary perceptions and food beliefs that inform dietary behaviour and food choice. This will occur at a single timepoint and the online questionnaires are expected to take 20-30 minutes to complete
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Intervention code [1]
329447
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Not applicable
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Comparator / control treatment
No control group
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
339317
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Nutritional adequacy of habitual dietary patterns
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Assessment method [1]
339317
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Measured using validated food frequency questionnaire (Australian Eating Survey) and assessed using Foodworks dietary analysis software, where adequacy is defined by Australian Dietary Guidelines and Australian Nutrient reference values.
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Timepoint [1]
339317
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One time data collection
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Secondary outcome [1]
439443
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Dietary adherence to population-based dietary guidelines
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Assessment method [1]
439443
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Measured using food frequency questionnaire and adherence defined as daily consumption of recommended number of serves within each food group as per Australian Dietary Guidelines
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Timepoint [1]
439443
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One time data collection
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Secondary outcome [2]
439445
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Diet quality
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Assessment method [2]
439445
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Measured using Residue Dietary Guidelines Index 2013 (DGI-2013) and diet quality defined by cut off values for each domain within the DGI
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Timepoint [2]
439445
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One time data collection
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Secondary outcome [3]
439446
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Composite outcome of dietary perceptions, beliefs and attitudes to dietary change
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Assessment method [3]
439446
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Study-specific questionnaire designed to measure dietary perceptions, measured using binary questions (yes/no/unsure) and qualitative answers.
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Timepoint [3]
439446
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One time data collection
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Eligibility
Key inclusion criteria
Adolescents and adults (equal to or greater than 16 years old) with a diagnosis of PSC self-confirmed via imaging and biochemical markers will be invited to participate in this study
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Minimum age
16
Years
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Maximum age
No limit
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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
Exclusion criteria are those unable to read and interpret English.
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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
Descriptive statistics will be used to analyse data collected as part of this study. Categorical data will be collected from semi-quantitative survey questions. This data will be expressed as frequency and percentage. Qualitative data collected where text responses are required will be quantitatively grouped into categories where possible and expressed as frequency and percentage.
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Recruitment
Recruitment status
Not yet recruiting
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Date of first participant enrolment
Anticipated
4/11/2024
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Actual
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Date of last participant enrolment
Anticipated
3/11/2025
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Actual
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Date of last data collection
Anticipated
3/11/2025
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Actual
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Sample size
Target
300
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
ACT,NSW,NT,QLD,SA,TAS,WA,VIC
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Recruitment outside Australia
Country [1]
26546
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New Zealand
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State/province [1]
26546
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Country [2]
26547
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United Kingdom
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State/province [2]
26547
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Funding & Sponsors
Funding source category [1]
317344
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Charities/Societies/Foundations
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Name [1]
317344
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PSC Support Australia
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Address [1]
317344
0
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Country [1]
317344
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Australia
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Funding source category [2]
317345
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Hospital
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Name [2]
317345
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The Queen Elizabath Hospital IBD Service
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Address [2]
317345
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Country [2]
317345
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Australia
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Primary sponsor type
Hospital
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Name
The Queen Elizabeth Hospital, Central Adelaide Local Health Network
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Address
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Country
Australia
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Secondary sponsor category [1]
319630
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None
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Name [1]
319630
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Address [1]
319630
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Country [1]
319630
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Ethics approval
Ethics application status
Submitted, not yet approved
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Ethics committee name [1]
316075
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Central Adelaide Local Health Network HREC
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Ethics committee address [1]
316075
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https://www.rah.sa.gov.au/research/for-researchers/central-adelaide-local-health-network-human-research-ethics-committee
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Ethics committee country [1]
316075
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Australia
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Date submitted for ethics approval [1]
316075
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19/08/2024
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Approval date [1]
316075
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Ethics approval number [1]
316075
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Summary
Brief summary
Primary Sclerosing Cholangitis (PSC) is a rare and chronic liver disease with no proven effective medical therapies to prevent disease progression. Most patients with PSC have ulcerative colitis (UC), with potential overlapping pathophysiological mechanisms including an abnormal gut microbiota. Diet is a key fertiliser of the gut microbiota and limited evidence suggests diet may have a role is disease pathogenesis. However, there is very limited international data on the habitual diet and diet quality of adults and adolescents with PSC to inform dietary treatment targets. Therefore, this cross-sectional study will comprehensively evaluate the dietary patterns of people with PSC and understand how people who live with PSC perceive diet in disease development and progression as a first step toward informing further dietary interventions.
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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
136698
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Dr Alice Day
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Address
136698
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Department of Gastroenterology, The Queen Elizabeth Hospital, 28 Woodville Road, Woodville South 5011 South Australia
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Country
136698
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Australia
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Phone
136698
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+61 8 8222 8534
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Fax
136698
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Email
136698
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[email protected]
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Contact person for public queries
Name
136699
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Alice Day
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Address
136699
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Department of Gastroenterology, The Queen Elizabeth Hospital, 28 Woodville Road, Woodville South 5011 South Australia
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Country
136699
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Australia
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Phone
136699
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+61 8 8222 8534
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Fax
136699
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Email
136699
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[email protected]
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Contact person for scientific queries
Name
136700
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Alice Day
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Address
136700
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Department of Gastroenterology, The Queen Elizabeth Hospital, 28 Woodville Road, Woodville South 5011 South Australia
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Country
136700
0
Australia
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Phone
136700
0
+61 8 8222 8534
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Fax
136700
0
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Email
136700
0
[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
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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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