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ER ultrasound may replace CT scans for suspected bowel blockages

NCT ID NCT06803628

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 study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether emergency doctors can use a simple bedside ultrasound to rule out a small bowel obstruction in patients with low or moderate risk. If ultrasound works well, many patients could avoid the radiation, cost, and wait time of a CT scan. About 667 adults with suspected blockage will get both an ultrasound and a CT scan to compare results.

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

About 667 people

The number the study aims to enrol. It can still change while the study runs.

Started

Mar 2025

Expected to finish

Mar 2027

An estimate. End dates often move.

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

Patients with suspected SBO, with low or moderate Gestalt probability and who meet the inclusion criteria (and without any non inclusion criteria)

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: 1. Major patient (age \> 18 years old), no upper limit 2. Patient admitted to the ED with suspected SBO (abdominal pain, vomiting, cessation of gas and feces...) 3. Low or moderate pretest Gestalt clinical probability 4. Patient able to understand protocol and express agreement 5. Oral non-opposition given Exclusion Criteria: 1. Patient under legal guardianship 2. Pregnant women 3. Nursing mothers 4. Patient who does not speak or understand French 5. Patient without a health insurance plan 6. Patient who already had imaging confirming the diagnosis 7. Patient who participates simultaneously in any interventional study focused on abdominal pain before POCUS and 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.

Small bowel obstruction

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    17 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • AP-HP Est Parisien _ ST-ANTOINE

    RECRUITING

    Paris, France, 75012, France

  • Ap-Hm Hopital La Timone

    RECRUITING

    Marseille, France, 13005, France

  • CH MEMORIAL - Saint Lô

    RECRUITING

    Saint-Lô, France, 50009, France

  • CH Saint-Nazaire

    RECRUITING

    Saint-Nazaire, France, 44600, France

  • CHD Vendée

    RECRUITING

    La Roche-sur-Yon, France, 85925, France

  • CHD Vendée, Luçon

    RECRUITING

    Luçon, France, 85407, France

  • CHD Vendée, Montaigu

    RECRUITING

    Montaigu, France, 85600, France

  • CHU CAREMEAU - Nimes

    RECRUITING

    Nîmes, France, 30029, France

  • CHU Nantes

    RECRUITING

    Nantes, France, 44000, France

  • Chru Poitiers

    RECRUITING

    Poitiers, France, 86021, France

  • Chu Clermont-Ferrand Hopital Gabriel Montpied

    RECRUITING

    Clermont-Ferrand, France, 63100, France

  • Ghem Groupe Hospitalier Eaubonne Montmorency Simone Veil

    RECRUITING

    Eaubonne, France, 95600, France

  • Ghsif Groupe Hospitalier Sud Ile de Franc _ Ch Melun

    RECRUITING

    Melun, France, 77000, France

  • Groupe Hospitalier Selestat Obernai (Ghso)

    RECRUITING

    Sélestat, France, 67600, France

  • Hopital PURPAN CHU Toulouse

    RECRUITING

    Toulouse, France, 31300, France

  • Hôpital Nord

    WITHDRAWN

    Marseille, France, 13015, France

  • Le Confluent

    RECRUITING

    Nantes, France, 44200, France

  • P-HP Paris Centre - COCHIN

    RECRUITING

    Paris, France, 75014, France

More trials for these conditions

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