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Heart ultrasound may detect hidden bleeding

NCT ID NCT07207629

Knowledge-focused Sponsor: Centre Hospitalier Universitaire de Nīmes 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study uses ultrasound to measure heart changes in 66 healthy blood donors before and after giving blood. The goal is to see if a simple, non-invasive test can detect mild blood loss. If it works, it could help doctors spot internal bleeding early in trauma patients.

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 lead to a non-invasive way to detect early blood loss in trauma patients using ultrasound.
What could go wrong
This is a small, early study in healthy volunteers, not trauma patients. Results may not apply to real-world bleeding situations.

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

About 66 people

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

Started

Oct 2025

Expected to finish

Feb 2026

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.

Ages

18 to 40 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: Healthy adult volunteers eligible for blood donation according to French Blood Establishment (EFS) standards. Age between 18 and 40 years. Participants who have provided written, informed consent. Affiliated with or a beneficiary of a social security system. Exclusion Criteria: Obesity (BMI \> 30 kg/m²) or underweight (BMI \< 18 kg/m²). Body weight over 96 kg. History of valvular heart disease, ischemic heart disease, or congestive heart failure. Known allergy to ultrasound gel. Current medications that could affect hemodynamic response to blood loss (e.g., antihypertensives, antiepileptics, NSAIDs). Participation in other human research studies defined as Category 1. Subjects under legal protection, including guardianship or curatorship. Pregnant, lactating, or breastfeeding women. Conditions that contraindicate blood donation.

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Conditions

The condition(s) this trial relates to.

Hemorrhage injury Shock Shock, Hemorrhagic

As listed by the trial registrant

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

Hemorrhage Shock hypovolemic Trauma

How to take part

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

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Centre Hospitalier Universitaire de Nîmes

    Nîmes, Occitanie, 30900, France

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