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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT04213300
Registration number
NCT04213300
Ethics application status
Date submitted
27/11/2019
Date registered
30/12/2019
Titles & IDs
Public title
Low Carbohydrate Diet, Glycaemic Control and Quality of Life in Australian Adults With Type 1 Diabetes
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Scientific title
The Association Between a Low Carbohydrate Diet, Glycaemic Control and Quality of Life in Australian Adults Living With Type 1 Diabetes Mellitus: A Pilot Study
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Secondary ID [1]
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HREC/2019/QGC/54049
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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 Mellitus
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Condition category
Condition code
Metabolic and Endocrine
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Diabetes
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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
Other interventions - Low carbohydrate diet
Low carbohydrate dietary group - Participants n = 23
Participants:
* Male, female or unspecified gender;
* 18 years of age or over;
* Type 1 diabetes for =1 year from diagnosis date and
* Individuals who administer insulin using multiple daily injections.
Other interventions: Low carbohydrate diet
Study duration: 13 weeks (run in phase = 1 week; low carbohydrate diet phase = 12 weeks).
Each participant will be provided with an individualised meal plans to meet their energy needs as per the Schofield formula and a macronutrient distribution of 20% for carbohydrate, 25% for protein and 55% for fat.
Participants will self-report quality of life using a validated diabetes specific quality of life questionnaire for Australian adults and HbA1c (pre and post intervention phase of 13 weeks duration) .
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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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Self reported quality of life at baseline pre intervention
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Assessment method [1]
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Baseline (pre intervention) participant self reported quality of life using the newly validated Australian diabetes specific quality of life questionnaire which uses a Likert scale of 1 = very strongly disagree to 10 = very strongly agree, from baseline to 12 weeks after intervention
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Timepoint [1]
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Baseline (pre intervention)
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Primary outcome [2]
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Self reported quality of life at 12 weeks post intervention
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Assessment method [2]
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% change in participant self reported quality of life from baseline to 12 weeks (post intervention) using the newly validated Australian diabetes specific quality of life questionnaire which uses a Likert scale of 1 = very strongly disagree to 10 = very strongly agree, from baseline to 12 weeks after intervention
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Timepoint [2]
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12 weeks (post intervention)
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Primary outcome [3]
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Glycaemic control (HbA1c) at baseline pre intervention
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Assessment method [3]
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Baseline (pre intervention) in glycaemic control (HbA1c)
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Timepoint [3]
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Baseline (pre intervention)
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Primary outcome [4]
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Glycaemic control (HbA1c)
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Assessment method [4]
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% change in glycaemic control from baseline to 12 weeks (post intervention) (HbA1c)
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Timepoint [4]
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12 weeks (pre and post intervention)
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Eligibility
Key inclusion criteria
* Male, female or unspecified gender;
* 18 years of age or over;
* Type 1 diabetes for =1 year from diagnosis date and
* Individuals who administer insulin using multiple daily injections.
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Minimum age
18
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?
Yes
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Key exclusion criteria
* Patients with type 2 diabetes mellitus;
* Patients with gestational diabetes mellitus;
* Presence of a known food allergy or intolerance that may affect the participants' health or adherence during the intervention;
* History of an eating disorder;
* BMI <25.0kg/m2 to 29.9kg/m2;
* Age <18 years;
* An active medical problem that may hinder the persons' ability to take part or potentially affect study outcomes e.g. a recent myocardial infarction, stroke or peripheral revascularisation (within 3 months), active treatment of diabetic retinopathy, recent serious infection (requiring in-hospital treatment or prolonged antibiotic therapy), active mental health complaint or other active medical problems determined by medical staff;
* Pregnancy or expectation of conceiving. Participants will be withdrawn at any stage from the study if pregnancy occurs;
* The use of medications that may affect body weight/body composition (including but not limited to phentermine and corticosteroids);
* Those for whom the written materials may be unsuitable such as vision impaired or illiterate individuals;
* Those unable to understand English;
* Those who failed to provide informed consent and
* Those who administer insulin using a continuous subcutaneous insulin infusion.
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Study design
Purpose
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Duration
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Selection
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Timing
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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
15/01/2021
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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
19/11/2021
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Sample size
Target
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Accrual to date
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Final
23
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Recruitment in Australia
Recruitment state(s)
QLD
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Recruitment hospital [1]
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Gold Coast Hospital and Health Service - Gold Coast
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Recruitment postcode(s) [1]
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4215 - Gold Coast
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Funding & Sponsors
Primary sponsor type
Government body
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Name
Gold Coast Hospital and Health Service
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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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University of Canberra
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Address [1]
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Country [1]
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Ethics approval
Ethics application status
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Summary
Brief summary
The aim of this study is to examine the association between a low carbohydrate diet, quality of life and glycaemic control in Australian adults with T1DM. The first phase of the study will develop and validate a diabetes specific quality of life questionnaire for adults with T1DM. The second phase will undertake a low carbohydrate diet intervention and examine its association with quality of life and glycaemic control, pre and post the dietary intervention. The novel outcomes will include a new validated Australian T1DM specific quality of life questionnaire and an investigation as to whether a low carbohydrate diet mediates the relationship between quality of life and glycaemic control in Australian adults with T1DM.
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Trial website
https://clinicaltrials.gov/study/NCT04213300
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Trial related presentations / publications
Paul J, Jani R, Davoren P, Knight-Agarwal C. Association Between a Low Carbohydrate Diet, Quality of Life, and Glycemic Control in Australian Adults Living With Type 1 Diabetes: Protocol for a Mixed Methods Pilot Study. JMIR Res Protoc. 2021 Mar 26;10(3):e25085. doi: 10.2196/25085.
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Public notes
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Contacts
Principal investigator
Name
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Janine Paul, MSc
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Address
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Gold Coast Hospital and Health Service
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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
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
The data collected in this study is specific to this doctoral research project. Therefore, there will be no data sharing with any other researchers who are not members of this study. Where a current research team member wishes to use any of this data research purposes, the research must be approved by an Ethics committee, involve the PI who will ultimately retain oversight of all future uses of data and will remain the ongoing custody of data and/or research outputs.
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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/NCT04213300