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Ultrafast ultrasound may offer quicker diagnosis for diaphragm dysfunction

NCT ID NCT05265351

Diagnosis Sponsor: Institut de Myologie, France 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 29, 2026 · Last updated Jun 30, 2026 · Updated 1 time

Summary

This study explores whether ultrafast ultrasound can accurately assess diaphragm function in adults with known or suspected diaphragm dysfunction. Researchers will compare ultrasound measurements with standard tests like pressure measurements and electrical signals from the diaphragm. If the ultrasound method proves reliable, it could lead to a faster, less invasive way to diagnose diaphragm problems and determine their cause.

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 provide a faster, non-invasive way to diagnose diaphragm dysfunction and identify its cause.
What could go wrong
This is a small, early-stage study focused on comparing methods, not a treatment trial. The ultrasound technique may not prove accurate enough to replace standard tests.

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

50 people

The number who actually took part.

Started

May 2023

Finished

Feb 2025

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: * \> 18 years old * Patients with confirmed diaphragm dysfunction or suspicion * Written informed consent * Able to comply with all protocol requirements * Affiliate or beneficiary of a social security scheme Exclusion Criteria: * Known allergy to latex * Known allergy to Lidocaine or similar product * Pacemaker * Guardianship/trusteeship * Pregnant or nursing women

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Conditions

The condition(s) this trial relates to.

diaphragm disorder respiratory paralysis

As listed by the trial registrant

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

Diaphragm dysfunction

Contacts and locations

Locations

  • Département R3S - Hôpital Pitié-Salpêtrière

    Paris, 75013, France

More trials for these conditions

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