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Trial registered on ANZCTR
Registration number
ACTRN12619000313134
Ethics application status
Approved
Date submitted
15/02/2019
Date registered
28/02/2019
Date last updated
28/02/2019
Date data sharing statement initially provided
28/02/2019
Type of registration
Prospectively registered
Titles & IDs
Public title
Non-invasive assessment of pulmonary shunt and ventilation-perfusion status in newborn infants during minimally invasive surfactant therapy
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Scientific title
Non-invasive assessment of pulmonary shunt and ventilation-perfusion status in newborn infants during minimally invasive surfactant therapy
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Secondary ID [1]
297356
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None
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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:
Prematurity
311482
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Respiratory distress synrdome
311483
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Condition category
Condition code
Respiratory
310123
310123
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0
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Other respiratory disorders / diseases
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Reproductive Health and Childbirth
310301
310301
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0
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Complications of newborn
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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
Concentration of inspired oxygen (FiO2).
The amount of inspired oxygen (FiO2) that preterm infant needs to maintain oxygen within target range oxygen saturation (SpO2) of 91-95%, before and after surfactant administration. Before surfactant administration, this will be noted from observation of clinically needed interventions by nurses or doctors caring for the infant. The aim will be to record a minimum of 3 FiO2/SpO2 pairs. If these pairs are not available from clinically indicated change, then FiO2 will be varied in small increments/decrements (of 1-2%) while ensuring is still within target range, i.e. intended SpO2 levels will always be within clinically indicated range, then returning this to the original FiO2 level. The aim will be to have at least 3 pairs of FiO2/SpO2 pairs overall.
This observation will be repeated in the epoch post surfactant administration via minimally invasive surfactant therapy (MIST).
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Intervention code [1]
313605
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Not applicable
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Comparator / control treatment
None
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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Ventilation perfusion (V:Q) ratio, non-invasively calculated by the Lockwood model
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Assessment method [1]
319014
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Timepoint [1]
319014
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Post-surfactant therapy 30-min, 12-hour, 24-hour and 48-hours
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Secondary outcome [1]
366719
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Respiratory support required by infant post sufactant administration.
Respiratory support (non-invasive ventilation e.g. CPAP, NIMV or ventilation via endotracheal tube)
This will be determined from the infants' medical records
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Assessment method [1]
366719
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Timepoint [1]
366719
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24 hours post sufactant administration via MIST
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Secondary outcome [2]
367240
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Need for endotracheal intubation as determined from the medical records.
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Assessment method [2]
367240
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Timepoint [2]
367240
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24, 48 and 72 hours post MIST surfactant therapy
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Secondary outcome [3]
367241
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Additional surfactant therapy as determined from the medications records
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Assessment method [3]
367241
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Timepoint [3]
367241
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6-12 hours post first MIST therapy, assessment over a 30 minute to 1-hour period.
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Eligibility
Key inclusion criteria
Preterm infants receiving minimally invasive surfactant therapy (MIST) while treated with non-invasive respiratory support
Infants (born <36+6 weeks gestation)
Diagnosis of Respiratory Distress Syndrome (RDS)
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Minimum age
No limit
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Maximum age
3
Days
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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
Infant intubated for surfactant therapy
Major congenital anomalies
Infants who are very ill and unstable
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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
1/03/2019
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Actual
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Date of last participant enrolment
Anticipated
1/03/2020
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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
50
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
VIC
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Recruitment hospital [1]
13164
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Monash Children’s Hospital - Clayton
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Recruitment postcode(s) [1]
25719
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3168 - Clayton
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Funding & Sponsors
Funding source category [1]
301920
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Self funded/Unfunded
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Name [1]
301920
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Address [1]
301920
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Country [1]
301920
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Primary sponsor type
Hospital
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Name
Monash Newborn
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Address
Monash Children's Hospital
246 Clayton Road
Clayton
VIC 3168
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Country
Australia
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Secondary sponsor category [1]
301675
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None
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Name [1]
301675
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Address [1]
301675
0
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Country [1]
301675
0
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
302605
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Monash Health Human Research Ethics Committee
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Ethics committee address [1]
302605
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Research Support Services Block I, Monash Medical Centre 246 Clayton Road Clayton VIC 3168
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Ethics committee country [1]
302605
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Australia
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Date submitted for ethics approval [1]
302605
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Approval date [1]
302605
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23/01/2019
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Ethics approval number [1]
302605
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45005
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Summary
Brief summary
We aim to utilise a novel method for non-invasively estimating the ventilation-perfusion mismatch, a measure of the severity of lung disease of preterm babies with respiratory distress syndrome. The Lockwood algorithm uses routinely measure oxygen saturation levels paired with the amount of oxygen needed in order to calculate how much the oxygen dissociation curve has been "shifted" to provide a measure of the right-left shunt. This study aims to use measures of oxygen levels before and after surfactant treatment and the corresponding ventilation-perfusion levels in order to gauge response of the infant's lungs to surfactant treatment. The hypothesis is that the Lockwood measure will provide robust measure of ventilation-perfusion status in preterm infants with respiratory distress,
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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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A/Prof Kenneth Tan
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Address
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Monash Newborn
Monash Children's Hospital
246 Clayton Road
Clayton
VIC 3168
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Country
90798
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Australia
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Phone
90798
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+61 3 85723650
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Fax
90798
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Email
90798
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[email protected]
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Contact person for public queries
Name
90799
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Kenneth Tan
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Address
90799
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Monash Newborn
Monash Children's Hospital
246 Clayton Road
Clayton
VIC 3168
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Country
90799
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Australia
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Phone
90799
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+61 3 85723650
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Fax
90799
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Email
90799
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[email protected]
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Contact person for scientific queries
Name
90800
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Kenneth Tan
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Address
90800
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Monash Newborn
Monash Children's Hospital
246 Clayton Road
Clayton
VIC 3168
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Country
90800
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Australia
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Phone
90800
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+61 3 85723650
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Fax
90800
0
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Email
90800
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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