Cure My Disease

Don't miss your cure!

 Log in / Sign up

Can a simple platelet test predict who bleeds after heart surgery?

NCT ID NCT06961175

Knowledge-focused Sponsor: Fundación Instituto de Estudios de Ciencias de la Salud de Castilla y León 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 10, 2026 · Last updated Sep 11, 2026 · Updated 1 time

Summary

Researchers are studying whether a preoperative platelet function test can predict heavy bleeding after cardiovascular surgery that uses a heart-lung bypass machine. The study enrolls about 180 adults with normal clotting tests who are not taking antiplatelet drugs and are scheduled for elective bypass surgery. Doctors measure platelet activity with a device called thromboelastography before surgery, then track how much blood collects in chest drains afterward to see if low platelet activity lines up with more bleeding.

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 the link holds, doctors could one day use a bedside platelet test before heart surgery to flag patients likely to bleed heavily and plan transfusions or other care in advance.
What could go wrong
This is an observational study, so it can show a pattern but cannot prove the test causes better outcomes. Prior studies on this question are small and disagree, and the results may not apply to patients who take antiplatelet drugs.

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 180 people

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

Started

May 2025

Expected to finish

Dec 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.

Who is studied

The population undergoing scheduled for cardiovascular surgery at the University Hospital of Salamanca will be taken as the reference population.

Ages

18 years and older

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: * Over 18 years of age. * Patients undergoing elective surgery under CPB. * Patients must be duly informed and have signed the informed consent form. * ASA status I-IV. * Sufficient intellectual capacity to understand the procedure. * Normal preoperative coagulation study and platelet count. Exclusion Criteria: * Failure to meet the criteria listed above. * Preoperative administration of antiplatelet agents with an inadequate washout period (5 days for clopidogrel and ticagrelor and 7 days for plasugrel). * Preoperative administration of anticoagulants with an inadequate washout period. * Thrombopenia \<100,000 platelets or anemia \<11 g/dL

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for Blood platelet disorders are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

blood platelet disease Postoperative Hemorrhage

As listed by the trial registrant

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

Blood platelet disorders Cardiac surgery Postoperative bleeding

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

  • Salamanca University Hospital

    RECRUITING

    Salamanca, 37007, Spain

More trials for these conditions

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