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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT00322166
Registration number
NCT00322166
Ethics application status
Date submitted
4/05/2006
Date registered
5/05/2006
Date last updated
21/10/2009
Titles & IDs
Public title
The FREEDOM Study: a Randomised Controlled Trial of Sunlight and Calcium in Older People
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Scientific title
A Randomised Controlled Trial of Sunlight and Calcium Supplementation to Reduce Vitamin D Deficiency and Falls in Older People in Residential Care
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Secondary ID [1]
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0512-240M
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Secondary ID [2]
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402639
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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:
Accidental Falls
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Condition category
Condition code
Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Other interventions - Sunlight
Other interventions - Sunlight and calcium
Other interventions - control
Active comparator: Group A, Sunlight - Participants in this arm are required to sit in the sun most days of the week for 15 minutes
Active comparator: Group B, sunlight and calcium - Participants in this group receive sunlight and a calcium supplement
No intervention: Group C - Control group
Other interventions: Sunlight
Subjects in the intervention groups will be asked to undergo exposure of approximately 15% of their body (ie the face, hands and arms) usually between 9.30am - 10am daily during the year, 5 days per week.
Other interventions: Sunlight and calcium
Subjects in the intervention groups will be asked to undergo exposure of approximately 15% of their body (ie the face, hands and arms) usually between 9.30am - 10am daily during the year, 5 days per week. In the calcium and sunlight arm, calcium supplements (Caltrate, 600mg elemental calcium, Whitehall) will be administered to the whole group via the Blister/ Webster packs.
Other interventions: control
Subjects in the control group will be provided with a brochure about vitamin D deficiency and how to treat it. They will receive their usual routine care and nutrition.
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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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Falls
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Assessment method [1]
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Timepoint [1]
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1 year
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Secondary outcome [1]
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Vit D
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Assessment method [1]
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Timepoint [1]
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1 year
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Secondary outcome [2]
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Fractures
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Assessment method [2]
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Timepoint [2]
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1 year
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Secondary outcome [3]
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Geriatric Depression
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Assessment method [3]
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Timepoint [3]
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1 year
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Eligibility
Key inclusion criteria
* Aged 70 years or more
* Ambulant
* Likely to survive for more than 12 months, as assessed by the Implicit Review Tool employed in the FREE study
* Not taking vitamin D or calcium supplements
* No history of skin cancer in last three years
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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
* History of skin cancer in last three years
* Taking vitamin D or calcium supplements
* Not ambulant
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Study design
Purpose of the study
Prevention
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Allocation to intervention
Randomised controlled 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
Factorial
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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
1/07/2006
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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
1/12/2008
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Sample size
Target
600
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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Royal North Shore Hospital - Sydney
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Recruitment postcode(s) [1]
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2065 - Sydney
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Funding & Sponsors
Primary sponsor type
Other
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Name
University of Sydney
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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
The proposed study will determine the effect of a public health strategy (ie. increased sun light exposure and increased calcium intake) to reduce falls in older people in residential care using a randomised trial. The primary hypothesis of the trial is that increased appropriate sun light exposure will reduce falls, improve 25 hydroxy vitamin D (25OHD) levels and lower parathyroid hormone (PTH) levels. Secondary hypotheses are that the intervention will reduce accelerated bone turnover, reduce fractures, improve motor function and improve mood.
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Trial website
https://clinicaltrials.gov/study/NCT00322166
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Trial related presentations / publications
Sambrook PN, Cameron ID, Chen JS, Cumming RG, Durvasula S, Herrmann M, Kok C, Lord SR, Macara M, March LM, Mason RS, Seibel MJ, Wilson N, Simpson JM. Does increased sunlight exposure work as a strategy to improve vitamin D status in the elderly: a cluster randomised controlled trial. Osteoporos Int. 2012 Feb;23(2):615-24. doi: 10.1007/s00198-011-1590-5. Epub 2011 Mar 3.
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Public notes
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Contacts
Principal investigator
Name
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Philip Sambrook, MD
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Address
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University of Sydney
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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/NCT00322166
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