Ultrasound could give doctors a new window into lung health
NCT ID NCT05415605
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study measured lung strain using ultrasound in 30 healthy adults, both while breathing normally and while on a breathing machine. The goal was to establish normal values and see how lung strain changes with different breathing volumes. This could lead to a new bedside tool to assess lung function in critically ill patients.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this could lead to a new ultrasound method to assess lung function at the bedside, helping doctors better manage breathing problems in critically ill patients.
- What could go wrong
- This is a small, early study in healthy people, not patients. The technique may not work as well in real-world sick patients or may not improve outcomes.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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30 people
The number who actually took part.
- Started
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Jul 2022
- Finished
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Jul 2022
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 50 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: -Healthy volunteer male or female between 18 and 50 years old Exclusion Criteria: * History of traumatic or spontaneous pneumothorax * History of connective tissue disease * Any history of chronic respiratory disease * Presence of an ongoing clinical respiratory Ear-Nose-Throat (ENT) or pulmonary syndrome (rhinitis, sinusitis, bronchitis, lung disease) * History of gastro-duodenal reflux or stomach surgery
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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CHU de Nîmes, Hôpital Universitaire Carémeau
Nîmes, France