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Quick ultrasound may spot bowel blockages without radiation

NCT ID NCT04848415

Diagnosis Sponsor: Nantes University Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether a bedside ultrasound (POCUS) can accurately detect or rule out bowel obstruction in 150 adults with abdominal pain. Doctors performed the ultrasound after a physical exam, then compared results to a CT scan. The goal is to see if this quick, radiation-free tool can reliably diagnose bowel blockages in the emergency room.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Point-of-care ultrasound (POCUS)
What this could lead to
If successful, this could help emergency doctors quickly rule out bowel obstruction without radiation or a CT scan.
What could go wrong
This is a small, completed study (150 people) comparing ultrasound to CT. Ultrasound may miss some cases, and results depend on the doctor'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.

Participants

150 people

The number who actually took part.

Started

May 2021

Finished

Sep 2022

Lead sponsor

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.

Who is studied

Adult patients admitted to the ED for abdominal pain and suspicion of bowel obstruction

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show 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 : * Adult patients * Abdominal pain * Suspected bowel obstruction Exclusion Criteria : \- Documented end-of-life precluding CT realization

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Conditions

The condition(s) this trial relates to.

intestinal obstruction

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Bowel obstruction

Contacts and locations

Locations

  • CHU de Nantes

    Nantes, 44093, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.