Could a simple ultrasound replace X-Rays for pneumonia diagnosis?
NCT ID NCT04210102
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares lung ultrasound (LUS) with chest X-ray for diagnosing community-acquired pneumonia in emergency room patients. Researchers will enroll 47 adults with suspected pneumonia to see if LUS is as accurate as X-ray. If LUS proves reliable, it could offer a faster, radiation-free way to diagnose pneumonia and reduce unnecessary antibiotic use.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Lung ultrasound (diagnostic test)
- What this could lead to
- If successful, this could show that lung ultrasound is as good as or better than chest X-ray for diagnosing pneumonia, potentially reducing unnecessary antibiotic use and radiation exposure.
- What could go wrong
- This is a small, single-center study with only 47 participants, so results may not apply to all patients. Ultrasound accuracy can also depend heavily on the operator's skill.
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
-
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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47 people
The number who actually took part.
- Started
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Feb 2020
- Expected to finish
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Jan 2026
An estimate. End dates often move.
- 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 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Adult patients (18+) * Suspected CAP by attending emergency physician * And new onset of systemic infection (at least one among sweat, chills, aches and pain, temperature ≥38°C or \<36°C) * And symptoms of an acute lower respiratory tract infection (at least one among cough, sputum production, dyspnea, chest pain, altered breathing sounds at auscultation * No previous imaging for the current medical problem * Inform consent (signed) * Affiliation to insurance (France, Monaco) Exclusion Criteria: * Age below 18-year of age * Patients in palliative care * Pregnant women * anticipated barriers to completing follow-up data collection, * patients classified three or higher according to the CRB65 score, * patients requiring intensive care for any purpose because of specific management of critically ill * refusal to participate to the study
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
CHPG
Monaco, Monaco
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Other studies related to the condition(s) this trial covers.
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