Metagenomics Study Examines Lung Infections in Critically Ill Children
Summary
NIH registered ClinicalTrials.gov study NCT07545096 on April 22, 2026, an observational investigation of metagenomics for detecting pathogens in critically ill children with suspected chest infections. The study will collect lung fluid and blood samples from intubated pediatric ICU patients to determine whether immune responses indicate bacterial or viral infection, potentially enabling targeted antibiotic therapy. This is an informational research registration with no compliance obligations for external parties.
“This project explores whether measuring how the body is reacting to the bugs gives precise information about which bug is actually making them sick.”
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What changed
A new clinical research study was registered on ClinicalTrials.gov describing an observational investigation into metagenomic sequencing for diagnosing respiratory infections in critically ill children. The study will enroll intubated pediatric ICU patients and analyze lung fluid samples alongside blood samples to determine whether immune responses indicate bacterial or viral infection. If successful, the findings could inform more targeted antibiotic prescribing in pediatric critical care settings.
Institutions conducting pediatric critical care research and companies developing metagenomic diagnostic platforms may find this study relevant to their programs. The study carries no compliance obligations for external parties and represents an informational research registration.
Archived snapshot
Apr 23, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Host Response and Pathogen Genomics in Childhood Respiratory Infection
Observational NCT07545096 Kind: OBSERVATIONAL Apr 22, 2026
Abstract
A major challenge in children's infections is that it is difficult to work out which bug is making them unwell. Tests can find the bugs that are present though there can be more than one. Some bugs may just be bystanders and not actually making the child sick. Children still receive antibiotics because it is not always clear that they don't need them.
This project explores whether measuring how the body is reacting to the bugs gives precise information about which bug is actually making them sick. It will investigate children in intensive care who are suspected of having a chest infection.
This study uses a novel technology called "metagenomics" to detect any bacteria or viruses in the lung. Alongside this, investigators will measure how the lungs respond to the bugs through further tests of cells and proteins collected from the lung fluid. This fluid will be tested to see if the response is due to bacteria or viruses.
Collecting lung fluid samples requires that children are sedated and intubated, having a breathing tube in place. This means that only children intubated in intensive care are eligible. Extra samples of lung fluid and blood will be collected when being taken for routine clinical care.
If these tests work, they have the potential to give rapid and accurate information about what type of infection is taking place in the lung. This means the correct antibiotics can be given to children who need them and avoid the harms of giving them to children who do not....
Conditions: Pneumonia
Interventions: Non-Interventional Study
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