SafeBoosC III Two-year Follow-up

Overview

The SafeBoosC-III 2 year follow up study will follow up on all patients randomised in the SafeBoosC-III clinical trial (NCT03770741). The investigators will collect data when the patients are two years of corrected age from routine standardised follow up assessments, parental questionnaires as well as informal assessments. The study will commence in September 2021, and will expect to include all 72 sites across 18 countries, which take part of the SafeBoosC-III clinical trial.

Full Title of Study: “Cerebral Near-infrared Spectroscopy Monitoring Versus Treatment as Usual for Extremely Preterm Infants: a Protocol for the Follow-up Study for the SafeBoosC-III Trial”

Study Type

  • Study Type: Observational
  • Study Design
    • Time Perspective: Other
  • Study Primary Completion Date: April 2024

Detailed Description

In the SafeBoosC-III trial, the objective is to investigate the effect of treatment based on cerebral near-infrared spectroscopy (NIRS) monitoring of brain oxygenation compared with treatment as usual in extremely preterm infants. The primary outcome of the trial is death or survival with severe brain injury at 36 weeks' postmenstrual age. Despite an association between severe brain injury diagnosed in the neonatal period and later neurodevelopmental disability, this relationship is not always strong. Therefore, if treatment based on cerebral NIRS monitoring decreases the risks of death or survival with severe brain injury, it is important to document if the beneficial effect persists into early childhood, in the form of better neurodevelopmental outcome. Furthermore, it is also important to identify evidence of unexpected harms. It would be unfortunate if cerebral NIRS monitoring became standard practice without good evidence that long-term patient-relevant benefits outweigh possible harms. As the SafeBoosC-III trial intends to randomise 1600 infants, there is potential to achieve sufficient power for a meaningful assessment of the experimental intervention's effect on long-term neurodevelopment, as well as an evaluation of unexpected harms. The objective of the SafeBoosC III follow-up study is to investigate the benefits and harms of treatment guided by cerebral NIRS monitoring of brain oxygenation in extremely preterm infants during the first 72 hours of life, assessed at two years' corrected age. The hypothesis is that the intervention will decrease a composite of death or moderate-or-severe neurodevelopmental disability at two years' corrected age, and/or increase cognitive function in survivors assessed by the Bayley III/IV test, with insignificant harms. The investigators aim to collect data on as many children as possible and will do this by collecting clinical data from health care records as well as answers from parental questionnaires.

Interventions

  • Other: Treatment as usual + cerebral oximetry monitoring the first 72 hours of life
    • SafeBoosC – Safeguarding the Brain of Our Smallest Children – an Investigator-initiated Randomised, Blinded, Multinational, Phase II Feasibility Clinical Trial on Near-infrared Spectroscopy Monitoring Combined With Defined Treatment Guidelines Versus Standard Monitoring and Treatment as Usual in Premature Infants

Clinical Trial Outcome Measures

Primary Measures

  • Death or moderate-or-severe neurodevelopmental disability
    • Time Frame: To be assessed at two years of corrected age
    • A child will be classified with moderate-or-severe neurodevelopmental disability if they have been diagnosed with cerebral palsy, a cognitive function score below -2 standard deviations from the norm, hearing impairment, or vision impairment or from data from a parental questionnaire.
  • Mean Bayley III/IV cognitive score
    • Time Frame: To be assessed at two years of corrected age
    • The cognitive scores from the Bayley III/IV assessment will constitute a single continuous outcome measure (higher scores meaning better outcomes)

Participating in This Clinical Trial

Inclusion Criteria

Participation in the SafeBoosC-III trial and enrollment in a neonatal intensive care unit (NICU) taking part in the follow-up study, with parental consent according to local regulations. Exclusion Criteria:

Parental objection to the use of their child's data in the follow-up study.

Gender Eligibility: All

Minimum Age: 12 Months

Maximum Age: 30 Months

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • Gorm Greisen
  • Provider of Information About this Clinical Study
    • Sponsor-Investigator: Gorm Greisen, Professor, Cheif Consultant Neonatologist – Rigshospitalet, Denmark
  • Overall Contact(s)
    • Gorm Greisen, Professor, +45 35 45 50 24, gorm.greisen@regionh.dk

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