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A quick clotting test could make transfusions safer for children in surgery

NCT ID NCT05379530

Knowledge-focused Sponsor: Boston Children's Hospital 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 14, 2026 · Last updated Aug 14, 2026

Summary

This study looks at whether a rapid blood test called thromboelastography (TEG) can help doctors manage bleeding during high-risk surgeries in children. TEG measures how well blood clots in real time, which might guide decisions about which blood products to give. The study will observe children undergoing surgeries with a high chance of needing a transfusion, such as spinal or major abdominal surgery, and compare transfusion practices to historical data. The goal is to see if TEG helps doctors use the right type and amount of blood products, potentially improving safety.

What this could mean

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

Active substance
Thromboelastography (TEG), a point-of-care blood test that assesses clotting function during surgery
What this could lead to
If TEG proves useful, it could help doctors give the right blood products to children during major surgery, reducing complications from too few or too many transfusions.
What could go wrong
This is a small, single-center observational study, so results may not apply broadly. TEG is not yet standard for pediatric non-cardiac surgery, and its impact on outcomes remains uncertain.

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 60 people

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

Expected to start

Jan 2027

An estimate. Start dates often move.

Expected to finish

Dec 2028

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

Up to 20 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: * Pediatric patients undergoing non-cardiac surgery at BCH with a high likelihood of blood transfusion. Specifically these are defined as a surgery with greater than 25% likelihood of transfusion of any non-albumin blood product. * Eligible surgeries include: * spinal surgery * laparotomy * liver transplant * craniofacial surgery * esophageal atresia * craniotomy/hemispherectomy * major abdominal surgery * major hip surgery * major plastic surgery Exclusion Criteria: * Patients undergoing cardiac surgery or ECMO cannulation, as these surgeries are generally considered outside the scope of general pediatric surgery. * Patients presenting for emergent surgery * Patients undergoing surgeries off hours (between 8pm and 8 am), when TEG analysis is unobtainable

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Conditions

The condition(s) this trial relates to.

Blood Loss, Surgical Postoperative Hemorrhage

As listed by the trial registrant

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

Post operative hemorrhage Surgical blood loss Surgical hemorrhage

How to take part

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

  1. 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 ↗

  2. 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.

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