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Trial registered on ANZCTR
Registration number
ACTRN12616000160437
Ethics application status
Approved
Date submitted
5/02/2016
Date registered
10/02/2016
Date last updated
12/03/2018
Type of registration
Prospectively registered
Titles & IDs
Public title
The effects of feeding on blood flow to the gut in preterm infants receiving red blood cell transfusion
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Scientific title
The effects of enteral feeding during red blood cell transfusion on the cerebro-splanchnic oxygenation ratio (CSOR) in preterm infants with anaemia, as measured by near infrared spectroscopy (NIRS)
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Secondary ID [1]
288487
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None
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Universal Trial Number (UTN)
U1111-1179-2618
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Trial acronym
FEEding DURing Red Cell Transfusion (FEEDUR RCT)
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Transfusion associated necrotising enterocolitis
297542
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Preterm birth
297562
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Anaemia
297563
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Condition category
Condition code
Oral and Gastrointestinal
297743
297743
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0
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Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon
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Reproductive Health and Childbirth
297762
297762
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0
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Complications of newborn
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Blood
297763
297763
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0
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Anaemia
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
1) Withholding of enteral feeds during red cell transfusion for 12 hours from the start of the transfusion.
2) Restriction of enteral feed volume to 120 ml/kg/day, maximum calorie concentration 20 kcal/30ml.
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Intervention code [1]
293846
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Treatment: Other
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Comparator / control treatment
Continuing of enteral feeds during red cell transfusion for 24 hours from the start of the transfusion. Enteral feeds will be continued according to the feeding regime prior to the transfusion, which may be continuous feeds or bolus feeds every 1-3 hours.
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Control group
Active
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Outcomes
Primary outcome [1]
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Mean CSOR, using near-infrared spectroscopy (NIRS)
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Assessment method [1]
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Timepoint [1]
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1 hour prior to transfusion, during transfusion, immediately post-transfusion, 12 & 24 hours after transfusion
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Primary outcome [2]
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Mean mesenteric fractional oxygen extraction, using near-infrared spectroscopy (NIRS)
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Assessment method [2]
297273
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Timepoint [2]
297273
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1 hour prior to transfusion, during transfusion, immediately post-transfusion, 12 & 24 hours after transfusion
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Secondary outcome [1]
320545
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Time to return to full feeds, defined as the number of hours after the 24 hour study period until the infant is receiving the same feed volume as prior to the transfusion.
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Assessment method [1]
320545
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Timepoint [1]
320545
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Post-transfusion
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Secondary outcome [2]
320546
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Feed intolerance, defined as gastric aspirates >30% of feed volume or vomiting
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Assessment method [2]
320546
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Timepoint [2]
320546
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24 hours after completion of study
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Secondary outcome [3]
320547
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Abdominal distension, assessed by review of medical and nursing documentation.
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Assessment method [3]
320547
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Timepoint [3]
320547
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24 hours after completion of study
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Secondary outcome [4]
320548
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Adverse events including transfusion reactions, suspected or proven sepsis, necrotising enterocolitis, assessed by review of medical records
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Assessment method [4]
320548
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Timepoint [4]
320548
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24 hours after completion of study
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Secondary outcome [5]
320549
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Necrotising enterocolitis, assessed by data linkage to patient medical records
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Assessment method [5]
320549
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Timepoint [5]
320549
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At time of discharge
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Secondary outcome [6]
320550
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Late onset sepsis, assessed by data linkage to patient medical records
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Assessment method [6]
320550
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Timepoint [6]
320550
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At time of discharge
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Secondary outcome [7]
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Mortality, assessed by data linkage to patient medical records
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Assessment method [7]
320638
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Timepoint [7]
320638
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At time of disharge
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Eligibility
Key inclusion criteria
Preterm infants <35 weeks gestation
Receiving red cell transfusion for anaemia
Enteral feeding of at least 120 ml/kg/day
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Minimum age
No limit
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Maximum age
4
Months
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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
<28 weeks corrected gestation at time of intervention
Growth restriction (BW < 3rd centile)
Major congenital anomalies (including severe cardiac or cerebral disease, any malformation or disease of the gastrointestinal tract)
Diagnosis of necrotising enterocolitis, spontaneous intestinal perforation or history of abdominal surgery
Need for vasopressor therapy
Cutaneous disease not allowing for placement of NIRS sensor
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Study design
Purpose of the study
Treatment
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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)
Sealed opaque envelopes
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Simple randomisation using a randomisation table created by computer software
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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
Efficacy
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Statistical methods / analysis
Based on recently published reference values in preterm neonates, we would expect mean regional cerebral oxygen saturations to be approximately 70% with a standard deviation of approximately 7%. To detect a 10% change in mean cerebral oxygenation, a sample size of at least 16 neonates will be required to achieve 80% power at 0.05 level. We plan to recruit 20 infants per group.
Assuming normal distribution of data, we will use parametric statistics to analyse our data. We will use paired t-tests to determine any difference in pre-transfusion mean CSOR and post-transfusion CSOR in the two groups of infants. Independent t-tests will be used to evaluate differences in mean CSOR between groups at all time points. Repeated measures ANOVA will be used to analyse changes in CSOR over the four pre-specified time points. Post-hoc tests, such as Tukey's, will be performed to further analyse significant results. Clinical outcome data will be analysed using a combination of chi-squared, ANOVA and Kruskall-Wallis tests as appropriate.
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
27/06/2016
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Actual
6/07/2016
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Date of last participant enrolment
Anticipated
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Actual
29/11/2017
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Date of last data collection
Anticipated
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Actual
17/12/2017
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Sample size
Target
60
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Accrual to date
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Final
60
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
5234
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Royal Hospital for Women - Randwick
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Recruitment postcode(s) [1]
12705
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2031 - Randwick
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Funding & Sponsors
Funding source category [1]
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Charities/Societies/Foundations
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Name [1]
292836
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Madison Capaldi Research Fund
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Address [1]
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C/O Royal Hospital for Women Foundation
Royal Hospital for Women
Barker St
Randwick NSW 2031
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Country [1]
292836
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Australia
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Primary sponsor type
Individual
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Name
Tim Schindler
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Address
Newborn Care Centre
Royal Hospital for Women
Barker St
Randwick NSW 2031
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Country
Australia
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Secondary sponsor category [1]
291595
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None
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Name [1]
291595
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Address [1]
291595
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Country [1]
291595
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
294341
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South Eastern Sydney Local Health District - Northern Sector Human Research Ethics Committee
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Ethics committee address [1]
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Research Support Office G71, East Wing Edmund Blacket Building Prince of Wales Hospital Randwick NSW 2031
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Ethics committee country [1]
294341
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Australia
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Date submitted for ethics approval [1]
294341
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31/10/2014
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Approval date [1]
294341
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29/05/2015
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Ethics approval number [1]
294341
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HREC/14/POWH/624
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Summary
Brief summary
Background: Development of anaemia in preterm infants is a common occurrence during hospitalisation as a result of iatrogenic blood loss and poor erythropoiesis. A significant proportion of extremely preterm infants are exposed to one or more RBC transfusions during their neonatal intensive care unit (NICU) stay. The association between red blood cell (RBC) transfusions and the development of necrotizing enterocolitis (NEC) in preterm infants was first recognized in the late 1980’s and has since been increasingly recognized. This association between RBC transfusion and NEC may coincide as a result of the timing of their occurrence, as most preterm infants will receive transfusions within the first 4 weeks of life, which is the same time frame for the development of NEC. Mechanisms related to the development of TANEC are unknown. Several hypotheses have been proposed including the prolonged storage of blood, increased viscosity of blood, perfusion-reperfusion injury and enteral feeding. The effect of enteral feeding during RBC transfusion on the mesenteric perfusion and oxygenation has not been fully elucidated. Due to the association between NEC and feeding practices in the preterm infants, there have been concerns about the effects of feeding during RBC transfusion. As a result, there is a wide variety of feeding practices during RBC transfusion of preterm infants including withholding of feeds to reduce the risk of NEC. Technological advances in near-infrared spectroscopy (NIRS) have allowed for the measurement of oxygenated and deoxygenated haemoglobin within tissue in real time. NIRS is able to measure changes in signals received via the skin sensors and calculate the proportion of haemoglobin in oxygenated and deoxygenated states from a mixed capillary, venous and arterial sample in the tissues approximately 2cm below the sensor placement. This allows for the non-invasive real-time measurement of the balance between oxygen supply and tissue demand. This technology has allowed for the continuous measurement of tissue oxygenation of the cerebral and splanchnic beds and for demonstration of differential tissue perfusion during periods of haemodynamic instability, anaemia and RBC transfusions. Autoregulation of brain perfusion allows for the oxygenation of the brain to be preserved except in the most severe situations. Thus, a ratio of cerebral splanchnic oxygenation has been proposed to be able to measure changes in gut perfusion. Aim: To assess the effect of feeding and withholding of feeding on gut oxygenation and perfusion in preterm infants receiving RBC transfusions. Hypothesis: We hypothesize that mean CSOR and mean mesenteric FOE during RBC transfusion will not be different between preterm infants in the withheld group and the full volume group.
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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
63334
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Dr Tim Schindler
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Address
63334
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Newborn Care Centre
Royal Hospital for Women
Barker St
Randwick NSW 2031
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Country
63334
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Australia
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Phone
63334
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+61293826190
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Fax
63334
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+61293826191
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Email
63334
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[email protected]
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Contact person for public queries
Name
63335
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Tim Schindler
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Address
63335
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Newborn Care Centre
Royal Hospital for Women
Barker St
Randwick NSW 2031
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Country
63335
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Australia
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Phone
63335
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+61293826190
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Fax
63335
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+61293826191
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Email
63335
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[email protected]
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Contact person for scientific queries
Name
63336
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Tim Schindler
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Address
63336
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Newborn Care Centre
Royal Hospital for Women
Barker St
Randwick NSW 2031
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Country
63336
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Australia
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Phone
63336
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+61293826190
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Fax
63336
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+61293826191
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Email
63336
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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
Source
Title
Year of Publication
DOI
Embase
FEEding during red cell transfusion (FEEDUR RCT): A multi-arm randomised controlled trial.
2020
https://dx.doi.org/10.1186/s12887-020-02233-3
N.B. These documents automatically identified may not have been verified by the study sponsor.
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