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Trial registered on ANZCTR
Registration number
ACTRN12609000561280
Ethics application status
Approved
Date submitted
1/07/2009
Date registered
9/07/2009
Date last updated
9/07/2009
Type of registration
Prospectively registered
Titles & IDs
Public title
Measurement of energy requirements at rest
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Scientific title
Validation of nutritional assessment methods in healthy older adults: resting energy expenditure
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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:
Nutritional status of healthy older adults
237132
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Condition category
Condition code
Diet and Nutrition
237455
237455
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0
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Other diet and nutrition 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
Measurement of resting energy expenditure (REE) in healthy community-dwelling older adults.
REE will be measured by indirect calorimetry using a metabolic measurement cart with a ventilated hood system. Measurements will take place between 06.00 and 09.00, following an overnight fast, in a thermo-neutral (23 degrees celsius) and humidity controlled, quiet, semi-darkened environment. Participants will be placed under the ventilated hood in a relaxed and supine position. Measurement of oxygen consumption and carbon dioxide production will occur continuously for a total of 30 minutes, after 10 minutes of acclimatisation.
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Intervention code [1]
236850
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Not applicable
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Comparator / control treatment
There is no comparison group, since comparisons will not be made between participants.
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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REE measured by indirect calorimetry using a metabolic measurement cart with a ventilated hood system
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Assessment method [1]
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Timepoint [1]
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At baseline
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Secondary outcome [1]
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Nil
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Assessment method [1]
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Timepoint [1]
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Nil
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Eligibility
Key inclusion criteria
Healthy community-dwelling older adults
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Minimum age
70
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
Aged less than 70 years;
In residential care;
History of recent bone fracture;
Hypothyroidism;
Hyperthyroidism;
Oedema;
Taking diuretic medications; or
Taking thyroid hormones
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Study design
Purpose
Natural history
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Duration
Cross-sectional
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Selection
Defined population
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Timing
Prospective
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Statistical methods / analysis
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Recruitment
Recruitment status
Not yet recruiting
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Date of first participant enrolment
Anticipated
1/09/2009
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Actual
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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
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Sample size
Target
442
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
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Funding & Sponsors
Funding source category [1]
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University
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Name [1]
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Flinders University, Faculty of Health Sciences
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Address [1]
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GPO Box 2100,
Adelaide,
SA 5001
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Country [1]
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Australia
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Primary sponsor type
Individual
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Name
Dr Michelle Miller
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Address
Nutrition and Dietetics,
Flinders Clinical and Molecular Medicine,
School of Medicine,
Flinders University,
GPO Box 2100,
Adelaide,
SA 5001
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Country
Australia
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Secondary sponsor category [1]
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None
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Name [1]
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Address [1]
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Country [1]
236726
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Flinders Clinical Research and Ethics Committee
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Ethics committee address [1]
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GPO Box 2100, Adelaide, SA 5001
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Ethics committee country [1]
239339
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Australia
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Date submitted for ethics approval [1]
239339
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Approval date [1]
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12/03/2009
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Ethics approval number [1]
239339
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68/09
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Summary
Brief summary
In order to prevent weight loss it is essential that energy intake and energy expenditure are in balance. Resting energy expenditure (REE) accounts for 65-75% of total energy expenditure, and is principally determined by body mass, therefore variations occur with body weight, body composition, age and gender. In order to reliably estimate energy requirements it is necessary to be able to assess REE accurately. Numerous equations have been developed for this purpose, and validated in different populations; however there is a lack of equations specifically for use in older adults. There is also little evidence available regarding the effects of ageing on REE, although it is known that there is a reduction in metabolically active tissue which is likely to result in a decrease in REE. This study aims to develop and validate prediction equations which will result in more reliable estimates of REE in older adults. This will enable Dietitians to provide appropriate nutritional support and therefore optimise nutritional status.
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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
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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 public queries
Name
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Dr Michelle Miller
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Address
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Nutrition and Dietetics,
Flinders Clinical and Molecular Medicine,
School of Medicine,
Flinders University,
GPO Box 2100,
Adelaide,
SA 5001
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Country
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Australia
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Phone
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+61 8 8204-5328
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Fax
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+61 8 8204-6406
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Email
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[email protected]
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Contact person for scientific queries
Name
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Dr Michelle Miller
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Address
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Nutrition and Dietetics,
Flinders Clinical and Molecular Medicine,
School of Medicine,
Flinders University,
GPO Box 2100,
Adelaide,
SA 5001
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Country
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Australia
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Phone
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+61 8 8204-5328
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Fax
4001
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+61 8 8204-6406
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Email
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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
No additional documents have been identified.
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