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AI reads ultrasound videos to predict blood volume

NCT ID NCT06957587

Knowledge-focused Sponsor: Shanghai 6th People's 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study aims to develop an AI model that estimates a patient's blood volume from ultrasound videos of major blood vessels. Researchers will record ultrasound clips from 800 adults scheduled for surgery and compare them to a reliable blood volume measurement. The goal is to create a non-invasive tool that could improve fluid management during surgery.

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 quick, non-invasive way to measure blood volume before surgery, helping doctors manage fluids more precisely.
What could go wrong
This is an early observational study, not a treatment trial. The AI model may not work accurately in all patients, and results need validation before clinical use.

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 800 people

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

Started

Oct 2025

Expected to finish

Aug 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 prepare to receive surgery.

Ages

18 to 75 years

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: * Agree to join this study and sign the informed consent form; * Age between 18 and 75 years old (inclusive); * BMI (body mass index) is between 18 and 30 kg/m2; * American Society of Anesthesiologists (ASA) grades I-II Exclusion Criteria: * Preoperative hemoglobin (Hb) \<10g/dl * Cardiac dysfunction (NYHA class III-IV), respiratory dysfunction (ATS class 2-4), history of liver and kidney dysfunction (such as transaminase / albumin / bilirubin abnormalities, hepatitis history, serum creatinine / urea nitrogen rise, etc.), nervous system abnormalities (those who cannot cooperate due to stroke or its sequelae, Alzheimer, etc.); * The ultrasonic display of inferior vena cava, internal jugular vein, subclavian vein or common carotid artery is extremely poor, venous thrombosis or anatomical abnormalities; * Multiple injury with chest, abdomen or brain; * Pregnant woman

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As listed by the trial registrant

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

Blood volume analysis Machine learning Ultrasound

How to take part

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

  1. The places running it

    2 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

  • Shanghai Jiao Tong University Affiliated Sixth People's Hospital

    NOT_YET_RECRUITING

    Shanghai, Shanghai Municipality, 200235, China

  • Shanghai Jiao Tong University Affiliated Sixth People's Hospital

    RECRUITING

    Shanghai, Shanghai Municipality, 200235, China

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