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ER study: CT scans sharpen pneumonia diagnosis

NCT ID NCT01574066

Diagnosis Sponsor: Assistance Publique - Hôpitaux de Paris 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at 339 emergency room patients with suspected pneumonia to see if a chest CT scan could improve diagnosis. The goal was to find out if the CT scan changed the doctor's initial diagnosis, and if it led to changes in antibiotic treatment or hospital admission decisions. The results help understand the value of CT scans for diagnosing pneumonia in urgent care settings.

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

339 people

The number who actually took part.

Start date

Nov 2011

Finished

Jul 2013

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.

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: * Patient above 18 years of age * Patient with a presumptive diagnosis of CAP according to attending ED physician * Patient experiencing at least one systemic sign (T°\>38°C or \< 36°C, HR\>90/min, RR\>20/min) * Patient experiencing one respiratory sign (cough, lateral chest pain, localized crackles, dyspnea) that recently appeared * Patient with a prior medical examination, the results have been or will be communicated * Patient gave written informed consent or in cases of emergency parent/ support person who gave written informed consent if he/she is present on the day of inclusion Exclusion Criteria: * Pregnancy * Patient with shock * Patient with respiratory distress and immune suppression * Patient with other criteria for immediate ICU referral to ICU * Patient with living conditions making it impossible to follow 28 days * Patient not affiliated with a social security system

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Conditions

The condition(s) this trial relates to.

Community-Acquired Pneumonia disease Dyspnea pneumonia

As listed by the trial registrant

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

Community-acquired pneumonia Dyspnea

Contacts and locations

Locations

  • Bichat Hospital

    Paris, 75018, France

  • Cochin Hospital

    Paris, 75014, France

  • La Pitié Salpêtrière Hospital

    Paris, 75013, France

  • Tenon Hospital

    Paris, 75020, France

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