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Trial registered on ANZCTR
Registration number
ACTRN12610000622000
Ethics application status
Not yet submitted
Date submitted
27/07/2010
Date registered
29/07/2010
Date last updated
29/07/2010
Type of registration
Prospectively registered
Titles & IDs
Public title
Are baby hammocks a safe place for baby to sleep in?
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Scientific title
A randomised trial of infants sleeping in baby hammock vs cot to determine if there is a difference in oxygen desatuartion events and mean oxygen saturation.
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Secondary ID [1]
252321
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nil
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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:
Sleep apnoea
257824
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Sudden unexplained death in Infancy (SUDI)
257827
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Condition category
Condition code
Respiratory
257995
257995
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0
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Sleep apnoea
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Respiratory
257996
257996
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0
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Normal development and function of the respiratory system
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Injuries and Accidents
257997
257997
0
0
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Other injuries and accidents
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Study of 30 babies aged 6-12 weeks age, randomised to either sleep in a commercially available hammock ( yet to be determined) or a standard type bassinete for 1 daytime nap ( approx 1-3 hours). Babies will have limited sleep studies recorded using Sandman Pocket Express (2008). Sleep studies will be analysed for sleep state, mean oxygen saturation, desatuartion events and respiratory events.
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Intervention code [1]
256886
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Prevention
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Comparator / control treatment
Standard type bassinete/cot ( made specifically for Moe Ora scheme) for 1 daytime nap ( approx 1-3 hours). Babies will have limited sleep studies recorded using Sandman Pocket Express (2008). Sleep studies will be analysed for sleep state, mean oxygen saturation, desatuartion events and respiratory events.
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Control group
Active
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Outcomes
Primary outcome [1]
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number of episodes haemoglobin oxygen desaturation events measured by cutaneous oxygen sensor
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Assessment method [1]
258857
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Timepoint [1]
258857
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one daytime sleep
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Secondary outcome [1]
264982
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mean haemoglobin oxygen saturation measured by cutaneous oxygen sensor
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Assessment method [1]
264982
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Timepoint [1]
264982
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one daytime sleep
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Eligibility
Key inclusion criteria
Healthy, normal full term infants
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Minimum age
0
Days
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Maximum age
12
Weeks
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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
requires oxygen treatment
infants with any current health problem
history of significant birth trauma
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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)
parents will be invited to allow their infant to participate in the study. Babies will be allocated to hammock or cot by sealed opaque envelopes.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
computerised 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
Parallel
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
Safety
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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
1/12/2010
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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
30
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Accrual to date
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Final
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Recruitment outside Australia
Country [1]
2788
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New Zealand
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State/province [1]
2788
0
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Funding & Sponsors
Funding source category [1]
257349
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University
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Name [1]
257349
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University of Auckland
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Address [1]
257349
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Faculty of Medical and Health Sciences,
The University of Auckland,
Private Bag 92019,
Auckland 1023, New Zealand
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Country [1]
257349
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New Zealand
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Primary sponsor type
University
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Name
University of Auckland
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Address
Faculty of Medical and Health Sciences,
The University of Auckland,
Private Bag 92019,
Auckland 1023, New Zealand
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Country
New Zealand
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Secondary sponsor category [1]
256589
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None
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Name [1]
256589
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Address [1]
256589
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Country [1]
256589
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Ethics approval
Ethics application status
Not yet submitted
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Ethics committee name [1]
259371
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Northern X Regional Ethics Committee
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Ethics committee address [1]
259371
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3rd floor, Unisys building 650 Great South Rd Penrose Private Bag 92-522, Wellesley St Auckland, 1141
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Ethics committee country [1]
259371
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New Zealand
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Date submitted for ethics approval [1]
259371
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27/08/2010
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Approval date [1]
259371
0
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Ethics approval number [1]
259371
0
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Summary
Brief summary
There is now evidence that some young babies are at particular of risk of low oxygen levels in any position where their head is bent forward on to the chest. At this age the baby’s jaw is still very mobile, and any pressure on the jaw forces it backwards, narrowing and potentially blocking the upper airway. We have previously studied this effect when babies are restrained in car seats. Baby hammocks are widely used because the gentle rocking helps the baby to sleep. However, their design tends to flex the baby forward, suggesting that these hammocks could potentially cause falls in baby blood oxygen levels. This research will study babies during a daytime sleep in a safe monitored environment. They will either sleep in a cot or a hammock. This will help to determine if sleeping in a hammock causes breathing problems for babies compared to sleeping in a cot. It will provide valuable information on the safety of baby hammocks.
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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
31441
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Address
31441
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Country
31441
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Phone
31441
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Fax
31441
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Email
31441
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Contact person for public queries
Name
14688
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Christine McIntosh
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Address
14688
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Department of Physiology,
Faculty of Medical and Health Sciences,
The University of Auckland,
Private Bag 92019,
Auckland 1023, New Zealand
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Country
14688
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New Zealand
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Phone
14688
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+64 211053144
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Fax
14688
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Email
14688
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[email protected]
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Contact person for scientific queries
Name
5616
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Christine McIntosh
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Address
5616
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Department of Physiology,
Faculty of Medical and Health Sciences,
The University of Auckland,
Private Bag 92019,
Auckland 1023, New Zealand
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Country
5616
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New Zealand
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Phone
5616
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+64 211053144
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Fax
5616
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Email
5616
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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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