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AI aims to cut blood waste in surgery prep

NCT ID NCT07223853

Knowledge-focused Sponsor: Washington University School of Medicine 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 28, 2026 · Updated 2 times

Summary

This study tests a computer system that helps doctors decide which patients need blood prepared before surgery. About 1 million patients in the US need blood transfusions during surgery each year, but often too much blood is prepared, leading to waste. The system uses patient data to predict who really needs blood. The trial involves 50 patients and compares the smart system to usual care.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
S-PATH clinical decision support system
What this could lead to
If successful, this system could help hospitals better match blood preparation to patient needs, reducing waste and costs while maintaining safety.
What could go wrong
This is a small, early-stage trial with only 50 participants, so results may not apply broadly. The system may not improve outcomes or could be difficult to implement in other hospitals.

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 50 people

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

Started

Oct 2025

Expected to finish

Jan 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.

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.

Clinician Level Exclusion Criteria: * Clinician (resident physician or advanced practice provider) who works at a preoperative assessment clinic Clinician Level Exclusion Criteria: * None Patient Inclusion Criteria: * Scheduled for surgery in one of the main operating room areas (non-remote) at Barnes Jewish Hospital * Evaluated in-person at one of the preoperative assessment clinics affiliated with BJC Healthcare * Have a valid S-PATH model prediction prior to their preoperative assessment clinic visit Patient Exclusion Criteria: * Pregnant * Presence or history of red cell alloantibodies

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As listed by the trial registrant

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

Surgery

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

    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

  • Washington University / Barnes Jewish Hospital

    RECRUITING

    St Louis, Missouri, 63110, United States

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