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CompletedNCT05782569SLURPUpdated May 7, 2026

Serial Lung Ultrasound Predicting Need for Surfactant and Respiratory Course in Preterm Infants Observational Study

An observational study in Infant, Premature, sponsored by South Tees Hospitals NHS Foundation Trust. Completed at 1 site in United Kingdom. Open to participants aged 23 Weeks to 34 Weeks. Per ClinicalTrials.gov, last updated 2026-05-07.

Sponsored by South Tees Hospitals NHS Foundation Trust · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
86
Ages
23 Weeks to 34 Weeks
Sex
All
01

Study summary

Babies born early (under 34 weeks) are at risk of developing lung problems after birth. A major reason for this is that the lungs are not fully developed (lung immaturity). One of the important components not yet produced by the lungs is the surfactant, which allows premature babies to breathe without much effort. Very often babies born early need some help with their breathing and also need surfactant. Surfactant is administered through a breathing tube which is placed into the baby's airway. It is important that surfactant is administered early after birth when the baby cannot produce it. Early administration of surfactant provides better clinical outcomes.

Currently the decision to give surfactant is based on clinical parameters such as the level of oxygen that your baby requires. Current strategy of waiting for the baby to reach certain oxygen level, may delay in administering surfactant. But recent scientific data from other countries suggest that ultrasound of the chest/lungs can predict early which babies would need surfactant. This would help us to administer surfactant earlier and improve their respiratory outcome. In this study, we want to confirm the value of chest/Lung ultrasound (LU) to predict the need for surfactant in UK population. As a part of the study, we will perform early LU and serial LU in the first few days of life. In this current study, LU images will only be recorded and not used for clinical management.

Read the detailed description

Participant group for the study: Babies born under 34 weeks with a risk of developing lung problems after birth.

This study is an observational study to confirm the value of chest/Lung ultrasound (LU) to predict the need for surfactant in UK newborn population. As a part of the study, the investigators will perform early LU and serial LU in the first few days of life.

The investigators will perform the first LU within 3 hours of admission. A Second LU will then be taken at 3-6 hours after surfactant administration (if the baby receives surfactant) or at 6-12 hours of life (if the baby continues to be on Non-invasive respiratory support). A third LU is then taken on Day 2 (12-24 hours after the second LU) and a fourth LU on Day 3 (12-24 hours after the third LU). Then the investigators will carry out additional clinical data collection at hospital discharge.

Ultrasound is a common procedure carried out in newborn population. The scan should not take more than 3 to 5 minutes. All other data would be obtained from patient notes and databases.

02

Conditions studied

  • Infant, Premature

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Keywords

  • Babies born under 34 weeks
  • Risk of developing lung problems after birth
03

In context

Premature Birth

2,550 studies on the registry are indexed under Premature Birth; 500 are open to participants now.

This study's enrollment of 86 is below the median of 120 across 806 observational studies indexed under Premature Birth.

Browse Premature Birth studies →

Lead sponsor

South Tees Hospitals NHS Foundation Trust is the lead sponsor of 19 studies on the registry; 3 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
23 Weeks to 34 Weeks
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Recruiting the neonatal (Newborn) population. Currently there is no definite way of identifying which infant would need surfactant so this research would study study the value of lung ultrasound in predicting which infant would benefit from surfactant

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  1. Gestational age ≤34 weeks based on last menstrual period or ultrasound dating.
  2. Non-invasive respiratory support or low flow oxygen needing neonatal unit admission

Exclusion criteria

Exclusion Criteria:

  1. Received surfactant before first LU (\<3hrs of life).
  2. Major congenital malformations including congenital lung disease and congenital heart disease as ascertained by the medical team.
  3. Infants receiving delivery room surfactant or required intubation shortly after admission.
  4. Infants diagnosed with pneumothorax needing needle or chest tube drainage
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
86 participants (actual)
Patient registry
No
06

What researchers measure

Primary outcomes

  1. Value of chest/Lung ultrasound (LU) to predict the need for surfactant in preterm population.

    Lung ultrasound scores within the first 3 hours of life to predict the need for 1st Dose of surfactant

    Time frame: 3 hours of age

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Study locations

1 site
  • South Tees NHS Foundation Trust
    Middlesbrough, United Kingdom
08

References and documents

Publications

  • Loganathan PK, Meau-Petit V, Bhojnagarwala B, Nair V, Holmes J, Occhipinti A, Montasser M. Serial lung ultrasound in predicting the need for surfactant and respiratory course in preterm infants-multicentre observational study (SLURP). Eur J Pediatr. 2025 May 23;184(6):356. doi: 10.1007/s00431-025-06185-7. PubMed 40407825 ↗
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Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Ran from May 2023 to primary completion in Jun 2024, 13 months.

Of 372 non-industry observational studies under Premature Birth, half reached primary completion within 35 months of starting (the median), counting those still running; a quarter within 18 and three quarters within 63. This study's 13 months is below that.

Counting every sponsor, half of 387 studies reached it within 35 months; a quarter within 18 and three quarters within 61.

How these figures are worked out, and which studies are left out of them.

Registered
Jan 25, 2023
First posted
Mar 23, 2023
StartActual
May 15, 2023
Primary completionActual
Jun 17, 2024
CompletionActual
Jun 17, 2024
Last update
May 7, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on May 7, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05782569
Lead sponsor
South Tees Hospitals NHS Foundation Trust
Responsible party
Sponsor
First posted
Mar 23, 2023
Start date
May 15, 2023
Primary completion
Jun 17, 2024
Completion
Jun 17, 2024
Last update
May 7, 2026

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in May 2026. You cannot join it, but the record below documents what was studied.

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